feat: ship blog platform admin and deploy stack

2026-03-31 21:48:39 +08:00
210 changed files with 25476 additions and 5803 deletions
--- a/.gitea/workflows/backend-docker.yml
+++ b/.gitea/workflows/backend-docker.yml
@@ -0,0 +1,183 @@
+name: docker-images
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - backend/**
+      - frontend/**
+      - admin/**
+      - deploy/docker/**
+      - .gitea/workflows/backend-docker.yml
+  workflow_dispatch:
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - component: backend
+            dockerfile: backend/Dockerfile
+            context: backend
+            default_image_name: termi-astro-backend
+          - component: frontend
+            dockerfile: frontend/Dockerfile
+            context: frontend
+            default_image_name: termi-astro-frontend
+          - component: admin
+            dockerfile: admin/Dockerfile
+            context: admin
+            default_image_name: termi-astro-admin
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Resolve image metadata
+        id: meta
+        shell: bash
+        env:
+          COMPONENT: ${{ matrix.component }}
+          DEFAULT_IMAGE_NAME: ${{ matrix.default_image_name }}
+          VAR_REGISTRY_HOST: ${{ vars.REGISTRY_HOST }}
+          VAR_IMAGE_NAMESPACE: ${{ vars.IMAGE_NAMESPACE }}
+          VAR_IMAGE_NAME: ${{ vars.IMAGE_NAME }}
+          VAR_BACKEND_IMAGE_NAME: ${{ vars.BACKEND_IMAGE_NAME }}
+          VAR_FRONTEND_IMAGE_NAME: ${{ vars.FRONTEND_IMAGE_NAME }}
+          VAR_ADMIN_IMAGE_NAME: ${{ vars.ADMIN_IMAGE_NAME }}
+          VAR_FRONTEND_PUBLIC_API_BASE_URL: ${{ vars.FRONTEND_PUBLIC_API_BASE_URL }}
+          VAR_ADMIN_VITE_API_BASE: ${{ vars.ADMIN_VITE_API_BASE }}
+          VAR_ADMIN_VITE_FRONTEND_BASE_URL: ${{ vars.ADMIN_VITE_FRONTEND_BASE_URL }}
+          VAR_ADMIN_VITE_BASENAME: ${{ vars.ADMIN_VITE_BASENAME }}
+        run: |
+          set -euo pipefail
+
+          REGISTRY_HOST="${VAR_REGISTRY_HOST:-${GITEA_SERVER_URL#https://}}"
+          if [ -z "${REGISTRY_HOST}" ]; then
+            REGISTRY_HOST="git.init.cool"
+          fi
+
+          REPO_OWNER="${GITHUB_REPOSITORY_OWNER:-${GITEA_REPOSITORY_OWNER:-cool}}"
+          IMAGE_NAMESPACE="${VAR_IMAGE_NAMESPACE:-${REPO_OWNER}}"
+
+          case "${COMPONENT}" in
+            backend)
+              IMAGE_NAME="${VAR_BACKEND_IMAGE_NAME:-${VAR_IMAGE_NAME:-${DEFAULT_IMAGE_NAME}}}"
+              ;;
+            frontend)
+              IMAGE_NAME="${VAR_FRONTEND_IMAGE_NAME:-${DEFAULT_IMAGE_NAME}}"
+              ;;
+            admin)
+              IMAGE_NAME="${VAR_ADMIN_IMAGE_NAME:-${DEFAULT_IMAGE_NAME}}"
+              ;;
+            *)
+              IMAGE_NAME="${DEFAULT_IMAGE_NAME}"
+              ;;
+          esac
+
+          REF_NAME="${GITHUB_REF_NAME:-${GITEA_REF_NAME:-main}}"
+          SAFE_REF="$(echo "${REF_NAME}" | tr '[:upper:]' '[:lower:]' | sed 's#[^a-z0-9._-]#-#g')"
+
+          COMMIT_SHA="${GITHUB_SHA:-${GITEA_SHA:-dev}}"
+          SHORT_SHA="$(echo "${COMMIT_SHA}" | cut -c1-12)"
+
+          IMAGE_BASE="${REGISTRY_HOST}/${IMAGE_NAMESPACE}/${IMAGE_NAME}"
+
+          FRONTEND_PUBLIC_API_BASE_URL="${VAR_FRONTEND_PUBLIC_API_BASE_URL:-http://localhost:5150/api}"
+          ADMIN_VITE_API_BASE="${VAR_ADMIN_VITE_API_BASE:-http://localhost:5150}"
+          ADMIN_VITE_FRONTEND_BASE_URL="${VAR_ADMIN_VITE_FRONTEND_BASE_URL:-http://localhost:4321}"
+          ADMIN_VITE_BASENAME="${VAR_ADMIN_VITE_BASENAME:-}"
+
+          {
+            echo "registry_host=${REGISTRY_HOST}"
+            echo "image_base=${IMAGE_BASE}"
+            echo "tag_latest=latest"
+            echo "tag_branch=${SAFE_REF}"
+            echo "tag_sha=${SHORT_SHA}"
+            echo "frontend_public_api_base_url=${FRONTEND_PUBLIC_API_BASE_URL}"
+            echo "admin_vite_api_base=${ADMIN_VITE_API_BASE}"
+            echo "admin_vite_frontend_base_url=${ADMIN_VITE_FRONTEND_BASE_URL}"
+            echo "admin_vite_basename=${ADMIN_VITE_BASENAME}"
+          } >> "$GITHUB_OUTPUT"
+
+      - name: Login registry
+        shell: bash
+        env:
+          REGISTRY_HOST: ${{ steps.meta.outputs.registry_host }}
+          REGISTRY_USER: ${{ secrets.REGISTRY_USERNAME }}
+          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
+        run: |
+          set -euo pipefail
+          if [ -z "${REGISTRY_USER}" ] || [ -z "${REGISTRY_TOKEN}" ]; then
+            echo "Missing secrets: REGISTRY_USERNAME / REGISTRY_TOKEN"
+            exit 1
+          fi
+
+          echo "${REGISTRY_TOKEN}" | docker login "${REGISTRY_HOST}" --username "${REGISTRY_USER}" --password-stdin
+
+      - name: Build image
+        shell: bash
+        env:
+          COMPONENT: ${{ matrix.component }}
+          DOCKERFILE: ${{ matrix.dockerfile }}
+          CONTEXT_DIR: ${{ matrix.context }}
+          IMAGE_BASE: ${{ steps.meta.outputs.image_base }}
+          TAG_LATEST: ${{ steps.meta.outputs.tag_latest }}
+          TAG_BRANCH: ${{ steps.meta.outputs.tag_branch }}
+          TAG_SHA: ${{ steps.meta.outputs.tag_sha }}
+          FRONTEND_PUBLIC_API_BASE_URL: ${{ steps.meta.outputs.frontend_public_api_base_url }}
+          ADMIN_VITE_API_BASE: ${{ steps.meta.outputs.admin_vite_api_base }}
+          ADMIN_VITE_FRONTEND_BASE_URL: ${{ steps.meta.outputs.admin_vite_frontend_base_url }}
+          ADMIN_VITE_BASENAME: ${{ steps.meta.outputs.admin_vite_basename }}
+        run: |
+          set -euo pipefail
+
+          BUILD_ARGS=()
+          if [ "${COMPONENT}" = "frontend" ]; then
+            BUILD_ARGS+=(--build-arg "PUBLIC_API_BASE_URL=${FRONTEND_PUBLIC_API_BASE_URL}")
+          fi
+
+          if [ "${COMPONENT}" = "admin" ]; then
+            BUILD_ARGS+=(--build-arg "VITE_API_BASE=${ADMIN_VITE_API_BASE}")
+            BUILD_ARGS+=(--build-arg "VITE_FRONTEND_BASE_URL=${ADMIN_VITE_FRONTEND_BASE_URL}")
+            BUILD_ARGS+=(--build-arg "VITE_ADMIN_BASENAME=${ADMIN_VITE_BASENAME}")
+          fi
+
+          docker build \
+            --file "${DOCKERFILE}" \
+            "${BUILD_ARGS[@]}" \
+            --tag "${IMAGE_BASE}:${TAG_LATEST}" \
+            --tag "${IMAGE_BASE}:${TAG_BRANCH}" \
+            --tag "${IMAGE_BASE}:${TAG_SHA}" \
+            "${CONTEXT_DIR}"
+
+      - name: Push image
+        shell: bash
+        env:
+          IMAGE_BASE: ${{ steps.meta.outputs.image_base }}
+          TAG_LATEST: ${{ steps.meta.outputs.tag_latest }}
+          TAG_BRANCH: ${{ steps.meta.outputs.tag_branch }}
+          TAG_SHA: ${{ steps.meta.outputs.tag_sha }}
+        run: |
+          set -euo pipefail
+          docker push "${IMAGE_BASE}:${TAG_LATEST}"
+          docker push "${IMAGE_BASE}:${TAG_BRANCH}"
+          docker push "${IMAGE_BASE}:${TAG_SHA}"
+
+      - name: Output image tags
+        shell: bash
+        env:
+          COMPONENT: ${{ matrix.component }}
+          IMAGE_BASE: ${{ steps.meta.outputs.image_base }}
+          TAG_LATEST: ${{ steps.meta.outputs.tag_latest }}
+          TAG_BRANCH: ${{ steps.meta.outputs.tag_branch }}
+          TAG_SHA: ${{ steps.meta.outputs.tag_sha }}
+        run: |
+          echo "[${COMPONENT}] pushed tags:"
+          echo "- ${IMAGE_BASE}:${TAG_LATEST}"
+          echo "- ${IMAGE_BASE}:${TAG_BRANCH}"
+          echo "- ${IMAGE_BASE}:${TAG_SHA}"
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,16 @@ backend/target/
 backend/.loco-start.err.log
 backend/.loco-start.out.log
 backend/backend-start.log
+backend/*.log
+backend/*.err.log
+backend/*.out.log
 backend/storage/ai_embedding_models/
 backend-start.err
 backend-start.log
+
+# local deployment/runtime artifacts
+deploy/docker/.env
+deploy/docker/config.yaml
+admin/tmp-playwright.*
+lighthouse-*/
+lighthouse-*.json
--- a/README.md
+++ b/README.md
@@ -8,8 +8,9 @@ Monorepo for the Termi blog system.
 .
 ├─ admin/      # React + shadcn admin workspace
 ├─ frontend/   # Astro blog frontend
-├─ backend/    # Loco.rs backend APIs and legacy Tera admin
+├─ backend/    # Loco.rs backend APIs
 ├─ mcp-server/ # Streamable HTTP MCP server for articles/categories/tags
+├─ deploy/     # Deployment manifests (docker compose/env examples)
 ├─ .codex/     # Codex workspace config
 └─ .vscode/    # Editor workspace config
 ```
@@ -70,16 +71,16 @@ Legacy aliases are still available and now just forward to `dev.ps1`:

 ```powershell
 cd frontend
-npm install
-npm run dev
+pnpm install
+pnpm dev
 ```

 ### Admin

 ```powershell
 cd admin
-npm install
-npm run dev
+pnpm install
+pnpm dev
 ```

 ### Backend
@@ -90,6 +91,68 @@ $env:DATABASE_URL="postgres://postgres:postgres%402025%21@10.0.0.2:5432/termi-ap
 cargo loco start 2>&1
 ```

+### Docker（生产部署，使用 Gitea Package 镜像）
+
+补充部署分层与反代说明见：
+
+- `deploy/docker/ARCHITECTURE.md`
+- `deploy/caddy/Caddyfile.tohka.example`
+
+```powershell
+docker compose -f deploy/docker/compose.package.yml --env-file deploy/docker/.env up -d
+```
+
+当前 compose 默认启动：
+
+- frontend: `http://127.0.0.1:4321`
+- admin: `http://127.0.0.1:4322`
+- backend api: `http://127.0.0.1:5150`
+
+> 注意：`deploy/docker/compose.package.yml` 不内置 postgres/redis，需使用外部数据库与 Redis。
+
+如果你不是直接用默认端口直连，而是走独立域名 / HTTPS / 反向代理，建议同时设置这些 compose 运行时变量：
+
+- `INTERNAL_API_BASE_URL=http://backend:5150/api`
+- `PUBLIC_API_BASE_URL=https://api.blog.init.cool`
+- `PUBLIC_IMAGE_ALLOWED_HOSTS=cdn.example.com,pub-xxxx.r2.dev`
+- `ADMIN_API_BASE_URL=https://admin.blog.init.cool`
+- `ADMIN_FRONTEND_BASE_URL=https://blog.init.cool`
+
+可复制 `deploy/docker/.env.example` 为 `deploy/docker/.env` 后，至少设置：
+
+- `DATABASE_URL`
+- `REDIS_URL`
+- `JWT_SECRET`
+
+如需覆盖镜像 tag：
+
+```powershell
+$env:BACKEND_IMAGE="git.init.cool/<owner>/termi-astro-backend:latest"
+$env:FRONTEND_IMAGE="git.init.cool/<owner>/termi-astro-frontend:latest"
+$env:ADMIN_IMAGE="git.init.cool/<owner>/termi-astro-admin:latest"
+docker compose -f deploy/docker/compose.package.yml --env-file deploy/docker/.env up -d
+```
+
+### Gitea Actions Docker 发布
+
+仓库已新增：`.gitea/workflows/backend-docker.yml`
+
+需要在仓库里配置：
+
+- Secrets
+  - `REGISTRY_USERNAME`
+  - `REGISTRY_TOKEN`
+- Variables（可选）
+  - `REGISTRY_HOST`（默认 `git.init.cool`）
+  - `IMAGE_NAMESPACE`（默认仓库 owner）
+  - `BACKEND_IMAGE_NAME`（默认 `termi-astro-backend`）
+  - `FRONTEND_IMAGE_NAME`（默认 `termi-astro-frontend`）
+  - `ADMIN_IMAGE_NAME`（默认 `termi-astro-admin`）
+  - `FRONTEND_PUBLIC_API_BASE_URL`（frontend 镜像构建注入的浏览器侧 API 默认地址，默认 `http://localhost:5150/api`；运行时推荐优先使用 `PUBLIC_API_BASE_URL`）
+  - `ADMIN_VITE_API_BASE`（admin 镜像构建注入的 API 默认地址，默认 `http://localhost:5150`；运行时可被 `ADMIN_API_BASE_URL` 覆盖）
+  - `ADMIN_VITE_FRONTEND_BASE_URL`（admin 镜像构建注入的前台跳转默认基址，默认 `http://localhost:4321`；运行时可被 `ADMIN_FRONTEND_BASE_URL` 覆盖）
+  - `ADMIN_VITE_BASENAME`（可选；如果 admin 要挂在 `/admin` 这类路径前缀下，构建时设置为 `/admin`）
+
 ### MCP Server

 ```powershell
--- a/admin/.dockerignore
+++ b/admin/.dockerignore
@@ -0,0 +1,5 @@
+node_modules
+dist
+.git
+.gitignore
+*.log
--- a/admin/Dockerfile
+++ b/admin/Dockerfile
@@ -0,0 +1,31 @@
+# syntax=docker/dockerfile:1.7
+
+FROM node:22-alpine AS builder
+ENV PNPM_HOME="/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN corepack enable
+
+WORKDIR /app
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY . .
+ARG VITE_API_BASE=http://localhost:5150
+ARG VITE_FRONTEND_BASE_URL=http://localhost:4321
+ARG VITE_ADMIN_BASENAME=
+ENV VITE_API_BASE=${VITE_API_BASE}
+ENV VITE_FRONTEND_BASE_URL=${VITE_FRONTEND_BASE_URL}
+ENV VITE_ADMIN_BASENAME=${VITE_ADMIN_BASENAME}
+
+RUN pnpm build
+
+FROM nginx:1.27-alpine AS runner
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/dist /usr/share/nginx/html
+COPY docker-entrypoint.d/40-runtime-config.sh /docker-entrypoint.d/40-runtime-config.sh
+RUN chmod +x /docker-entrypoint.d/40-runtime-config.sh
+
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 CMD wget -q -O /dev/null http://127.0.0.1/healthz || exit 1
+CMD ["nginx", "-g", "daemon off;"]
--- a/admin/docker-entrypoint.d/40-runtime-config.sh
+++ b/admin/docker-entrypoint.d/40-runtime-config.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+set -eu
+
+RUNTIME_CONFIG_FILE="/usr/share/nginx/html/runtime-config.js"
+
+escape_js_string() {
+  printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g'
+}
+
+API_BASE_URL="${ADMIN_API_BASE_URL:-}"
+FRONTEND_BASE_URL="${ADMIN_FRONTEND_BASE_URL:-}"
+ESCAPED_API_BASE_URL="$(escape_js_string "$API_BASE_URL")"
+ESCAPED_FRONTEND_BASE_URL="$(escape_js_string "$FRONTEND_BASE_URL")"
+
+cat > "$RUNTIME_CONFIG_FILE" <<EOF
+window.__TERMI_ADMIN_RUNTIME_CONFIG__ = Object.assign(
+  {},
+  window.__TERMI_ADMIN_RUNTIME_CONFIG__ || {},
+  {
+    apiBaseUrl: "${ESCAPED_API_BASE_URL}",
+    frontendBaseUrl: "${ESCAPED_FRONTEND_BASE_URL}"
+  },
+)
+EOF
--- a/admin/index.html
+++ b/admin/index.html
@@ -18,6 +18,7 @@
  </head>
  <body>
    <div id="root"></div>
+    <script src="/runtime-config.js"></script>
    <script type="module" src="/src/main.tsx"></script>
  </body>
 </html>
--- a/admin/nginx.conf
+++ b/admin/nginx.conf
@@ -0,0 +1,63 @@
+server {
+  listen 80;
+  server_name _;
+
+  root /usr/share/nginx/html;
+  index index.html;
+  server_tokens off;
+  charset utf-8;
+
+  gzip on;
+  gzip_vary on;
+  gzip_proxied any;
+  gzip_min_length 1024;
+  gzip_comp_level 5;
+  gzip_types
+    text/plain
+    text/css
+    text/xml
+    text/javascript
+    application/javascript
+    application/json
+    application/xml
+    application/xml+rss
+    application/manifest+json
+    image/svg+xml;
+
+  add_header X-Content-Type-Options "nosniff" always;
+  add_header X-Frame-Options "SAMEORIGIN" always;
+  add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+  add_header Permissions-Policy "camera=(), geolocation=(), microphone=()" always;
+
+  location = /healthz {
+    access_log off;
+    add_header Content-Type text/plain;
+    add_header Cache-Control "no-store";
+    return 200 'ok';
+  }
+
+  location = /runtime-config.js {
+    add_header Cache-Control "no-store";
+    try_files $uri =404;
+  }
+
+  location = /index.html {
+    add_header Cache-Control "no-store";
+    try_files $uri =404;
+  }
+
+  location /assets/ {
+    add_header Cache-Control "public, max-age=31536000, immutable";
+    try_files $uri =404;
+  }
+
+  location / {
+    try_files $uri $uri/ /index.html;
+  }
+
+  error_page 500 502 503 504 /50x.html;
+
+  location = /50x.html {
+    root /usr/share/nginx/html;
+  }
+}
--- a/admin/pnpm-lock.yaml
+++ b/admin/pnpm-lock.yaml
--- a/admin/public/runtime-config.js
+++ b/admin/public/runtime-config.js
@@ -0,0 +1 @@
+window.__TERMI_ADMIN_RUNTIME_CONFIG__ = window.__TERMI_ADMIN_RUNTIME_CONFIG__ || {}
--- a/admin/src/App.tsx
+++ b/admin/src/App.tsx
@@ -38,6 +38,10 @@ const PostsPage = lazy(async () => {
  const mod = await import('@/pages/posts-page')
  return { default: mod.PostsPage }
 })
+const RevisionsPage = lazy(async () => {
+  const mod = await import('@/pages/revisions-page')
+  return { default: mod.RevisionsPage }
+})
 const CommentsPage = lazy(async () => {
  const mod = await import('@/pages/comments-page')
  return { default: mod.CommentsPage }
@@ -58,6 +62,14 @@ const SiteSettingsPage = lazy(async () => {
  const mod = await import('@/pages/site-settings-page')
  return { default: mod.SiteSettingsPage }
 })
+const AuditPage = lazy(async () => {
+  const mod = await import('@/pages/audit-page')
+  return { default: mod.AuditPage }
+})
+const SubscriptionsPage = lazy(async () => {
+  const mod = await import('@/pages/subscriptions-page')
+  return { default: mod.SubscriptionsPage }
+})

 type SessionContextValue = {
  session: AdminSessionResponse
@@ -140,6 +152,8 @@ function PublicOnly() {
  return (
    <LoginPage
      submitting={submitting}
+      localLoginEnabled={session.local_login_enabled}
+      proxyAuthEnabled={session.proxy_auth_enabled}
      onLogin={async (payload) => {
        try {
          setSubmitting(true)
@@ -167,7 +181,11 @@ function ProtectedLayout() {
  return (
    <AppShell
      username={session.username}
+      email={session.email}
+      authSource={session.auth_source}
+      authProvider={session.auth_provider}
      loggingOut={loggingOut}
+      canLogout={session.can_logout}
      onLogout={async () => {
        try {
          setLoggingOut(true)
@@ -233,6 +251,14 @@ function AppRoutes() {
            </LazyRoute>
          }
        />
+        <Route
+          path="revisions"
+          element={
+            <LazyRoute>
+              <RevisionsPage />
+            </LazyRoute>
+          }
+        />
        <Route
          path="comments"
          element={
@@ -257,6 +283,22 @@ function AppRoutes() {
            </LazyRoute>
          }
        />
+        <Route
+          path="subscriptions"
+          element={
+            <LazyRoute>
+              <SubscriptionsPage />
+            </LazyRoute>
+          }
+        />
+        <Route
+          path="audit"
+          element={
+            <LazyRoute>
+              <AuditPage />
+            </LazyRoute>
+          }
+        />
        <Route
          path="reviews"
          element={
@@ -283,6 +325,13 @@ export default function App() {
  const [session, setSession] = useState<AdminSessionResponse>({
    authenticated: false,
    username: null,
+    email: null,
+    auth_source: null,
+    auth_provider: null,
+    groups: [],
+    proxy_auth_enabled: false,
+    local_login_enabled: true,
+    can_logout: false,
  })
  const [loading, setLoading] = useState(true)

--- a/admin/src/components/app-shell.tsx
+++ b/admin/src/components/app-shell.tsx
@@ -1,7 +1,9 @@
 import {
  BarChart3,
+  BellRing,
  BookOpenText,
  ExternalLink,
+  History,
  Image as ImageIcon,
  LayoutDashboard,
  Link2,
@@ -18,6 +20,7 @@ import { NavLink } from 'react-router-dom'
 import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
 import { Separator } from '@/components/ui/separator'
+import { buildFrontendUrl } from '@/lib/frontend-url'
 import { cn } from '@/lib/utils'

 const primaryNav = [
@@ -39,6 +42,12 @@ const primaryNav = [
    description: 'Markdown 内容管理',
    icon: ScrollText,
  },
+  {
+    to: '/revisions',
+    label: '版本',
+    description: '历史快照与一键回滚',
+    icon: History,
+  },
  {
    to: '/comments',
    label: '评论',
@@ -63,6 +72,18 @@ const primaryNav = [
    description: '对象存储图片管理',
    icon: ImageIcon,
  },
+  {
+    to: '/subscriptions',
+    label: '订阅',
+    description: '邮件 / Webhook 推送',
+    icon: BellRing,
+  },
+  {
+    to: '/audit',
+    label: '审计',
+    description: '后台操作审计日志',
+    icon: Settings,
+  },
  {
    to: '/settings',
    label: '设置',
@@ -74,12 +95,20 @@ const primaryNav = [
 export function AppShell({
  children,
  username,
+  email,
+  authSource,
+  authProvider,
  loggingOut,
+  canLogout,
  onLogout,
 }: {
  children: ReactNode
  username: string | null
+  email: string | null
+  authSource: string | null
+  authProvider: string | null
  loggingOut: boolean
+  canLogout: boolean
  onLogout: () => Promise<void>
 }) {
  return (
@@ -155,7 +184,7 @@ export function AppShell({
                      工作台状态
                    </p>
                    <p className="mt-1 text-sm text-muted-foreground">
-                      核心后台流程已经迁移到独立管理端。
+                      核心后台流程统一运行在当前独立管理端。
                    </p>
                  </div>
                  <Badge variant="success">运行中</Badge>
@@ -186,8 +215,13 @@ export function AppShell({
                    当前登录：{username ?? 'admin'}
                  </p>
                  <p className="text-xs uppercase tracking-[0.18em] text-muted-foreground">
-                    React + shadcn/ui 基础架构
+                    {authProvider ?? 'React + shadcn/ui 基础架构'}
                  </p>
+                  {email ? (
+                    <p className="text-xs text-muted-foreground">{email}</p>
+                  ) : authSource ? (
+                    <p className="text-xs text-muted-foreground">认证来源：{authSource}</p>
+                  ) : null}
                </div>
              </div>

@@ -213,14 +247,19 @@ export function AppShell({

              <div className="flex flex-wrap items-center gap-3">
                <Button variant="outline" asChild>
-                  <a href="http://localhost:4321" target="_blank" rel="noreferrer">
+                  <a href={buildFrontendUrl('/')} target="_blank" rel="noreferrer">
                    <ExternalLink className="h-4 w-4" />
                    打开前台
                  </a>
                </Button>
-                <Button variant="ghost" onClick={() => void onLogout()} disabled={loggingOut}>
+                <Button
+                  variant="ghost"
+                  onClick={() => void onLogout()}
+                  disabled={loggingOut || !canLogout}
+                  title={canLogout ? undefined : '当前会话由前置 SSO / 代理控制'}
+                >
                  <LogOut className="h-4 w-4" />
-                  {loggingOut ? '退出中...' : '退出登录'}
+                  {canLogout ? (loggingOut ? '退出中...' : '退出登录') : 'SSO 受代理保护'}
                </Button>
              </div>
            </div>
--- a/admin/src/components/ui/select.tsx
+++ b/admin/src/components/ui/select.tsx
@@ -342,7 +342,7 @@ const Select = React.forwardRef<HTMLSelectElement, NativeSelectProps>(
    }, [highlightedIndex, open])

    const triggerClasses = cn(
-      'flex h-11 w-full items-center justify-between gap-3 rounded-xl border border-input bg-background/80 px-3 py-2 text-left text-sm text-foreground shadow-sm outline-none transition-[border-color,box-shadow,background-color,transform] focus-visible:ring-2 focus-visible:ring-ring/70 disabled:cursor-not-allowed disabled:opacity-50 data-[state=open]:border-primary/40 data-[state=open]:bg-card data-[state=open]:shadow-[0_18px_40px_rgb(15_23_42_/_0.14)]',
+      'flex h-11 w-full items-center justify-between gap-3 rounded-xl border border-input bg-background/80 px-3 py-2 text-left text-sm text-foreground shadow-sm outline-none transition-[border-color,box-shadow,background-color,transform] focus-visible:ring-2 focus-visible:ring-ring/70 disabled:cursor-not-allowed disabled:opacity-50 data-[state=open]:border-primary/20 data-[state=open]:bg-card/95 data-[state=open]:shadow-[0_16px_36px_rgb(15_23_42_/_0.10)]',
      className,
    )

@@ -352,7 +352,7 @@ const Select = React.forwardRef<HTMLSelectElement, NativeSelectProps>(
            ref={menuRef}
            aria-orientation="vertical"
            className={cn(
-              'custom-select-popover fixed z-[80] overflow-hidden rounded-2xl border border-border/70 bg-popover p-1.5 text-popover-foreground shadow-[0_18px_48px_rgb(15_23_42_/_0.18)] will-change-transform',
+              'custom-select-popover fixed z-[80] overflow-hidden rounded-[20px] border border-border/80 bg-[color:rgb(255_255_255_/_0.96)] p-2 text-popover-foreground shadow-[0_18px_46px_rgb(15_23_42_/_0.12)] backdrop-blur-xl will-change-transform dark:bg-card/96',
              menuPlacement === 'top' ? 'origin-bottom' : 'origin-top',
            )}
            id={menuId}
@@ -374,13 +374,13 @@ const Select = React.forwardRef<HTMLSelectElement, NativeSelectProps>(
                    }}
                    aria-selected={selected}
                    className={cn(
-                      'flex w-full items-center justify-between gap-3 rounded-xl px-3 py-2.5 text-left text-sm transition-colors',
+                      'relative flex min-h-10.5 w-full items-center justify-between gap-3 overflow-hidden rounded-[16px] border px-4 py-2.5 text-left text-sm transition-[background-color,border-color,color,box-shadow]',
                      option.disabled ? 'cursor-not-allowed opacity-45' : 'cursor-pointer',
                      selected
-                        ? 'bg-primary text-primary-foreground shadow-[0_12px_30px_rgb(37_99_235_/_0.22)]'
+                        ? 'border-primary/15 bg-primary/[0.045] text-foreground shadow-[inset_0_1px_0_rgb(255_255_255_/_0.55)]'
                        : highlighted
-                          ? 'bg-accent text-accent-foreground'
-                          : 'text-foreground hover:bg-accent hover:text-accent-foreground',
+                          ? 'border-border/60 bg-muted/70 text-foreground'
+                          : 'border-transparent text-foreground/80 hover:border-border/45 hover:bg-muted/55 hover:text-foreground',
                    )}
                    disabled={option.disabled}
                    onClick={() => commitValue(index)}
@@ -392,8 +392,31 @@ const Select = React.forwardRef<HTMLSelectElement, NativeSelectProps>(
                    role="option"
                    type="button"
                  >
-                    <span className="truncate">{option.label}</span>
-                    <Check className={cn('h-4 w-4 shrink-0', selected ? 'opacity-100' : 'opacity-0')} />
+                    <span
+                      aria-hidden="true"
+                      className={cn(
+                        'absolute left-1.5 top-1/2 h-5 w-1 -translate-y-1/2 rounded-full transition-all',
+                        selected ? 'bg-primary/70 opacity-100' : 'bg-transparent opacity-0',
+                      )}
+                    />
+                    <span
+                      className={cn(
+                        'truncate pr-2',
+                        selected
+                          ? 'font-semibold text-foreground'
+                          : highlighted
+                            ? 'font-medium text-foreground'
+                            : 'font-medium',
+                      )}
+                    >
+                      {option.label}
+                    </span>
+                    <Check
+                      className={cn(
+                        'h-3.5 w-3.5 shrink-0 transition-[opacity,transform,color]',
+                        selected ? 'translate-x-0 opacity-100 text-primary/90' : 'translate-x-1 opacity-0 text-transparent',
+                      )}
+                    />
                  </button>
                )
              })}
@@ -459,7 +482,12 @@ const Select = React.forwardRef<HTMLSelectElement, NativeSelectProps>(
          type="button"
        >
          <span className="min-w-0 flex-1 truncate">{selectedOption?.label ?? '请选择'}</span>
-          <span className="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg bg-muted/70 text-muted-foreground transition-colors">
+          <span
+            className={cn(
+              'flex h-8 w-8 shrink-0 items-center justify-center rounded-lg bg-muted/70 text-muted-foreground transition-colors',
+              open && 'bg-muted text-foreground',
+            )}
+          >
            <ChevronDown className={cn('h-4 w-4 transition-transform duration-200', open && 'rotate-180')} />
          </span>
        </button>
--- a/admin/src/lib/admin-format.ts
+++ b/admin/src/lib/admin-format.ts
@@ -41,6 +41,76 @@ export function formatCommentScope(value: string | null | undefined) {
  }
 }

+export function formatPostStatus(value: string | null | undefined) {
+  switch (value) {
+    case 'draft':
+      return '草稿'
+    case 'published':
+      return '已发布'
+    case 'scheduled':
+      return '定时发布'
+    case 'expired':
+      return '已下线'
+    case 'offline':
+      return '离线'
+    default:
+      return value || '已发布'
+  }
+}
+
+export function formatPostVisibility(value: string | null | undefined) {
+  switch (value) {
+    case 'unlisted':
+      return '不公开'
+    case 'private':
+      return '私有'
+    case 'public':
+      return '公开'
+    default:
+      return value || '公开'
+  }
+}
+
+function matchBrowserVersion(userAgent: string, marker: RegExp) {
+  const matched = userAgent.match(marker)
+  return matched?.[1] ?? null
+}
+
+export function formatBrowserName(userAgent: string | null | undefined) {
+  if (!userAgent) {
+    return '未知浏览器'
+  }
+
+  const ua = userAgent.toLowerCase()
+
+  if (ua.includes('edg/')) {
+    const version = matchBrowserVersion(userAgent, /edg\/([\d.]+)/i)
+    return version ? `Edge ${version}` : 'Edge'
+  }
+
+  if (ua.includes('opr/') || ua.includes('opera')) {
+    const version = matchBrowserVersion(userAgent, /(?:opr|opera)\/([\d.]+)/i)
+    return version ? `Opera ${version}` : 'Opera'
+  }
+
+  if (ua.includes('firefox/')) {
+    const version = matchBrowserVersion(userAgent, /firefox\/([\d.]+)/i)
+    return version ? `Firefox ${version}` : 'Firefox'
+  }
+
+  if (ua.includes('chrome/') && !ua.includes('chromium/')) {
+    const version = matchBrowserVersion(userAgent, /chrome\/([\d.]+)/i)
+    return version ? `Chrome ${version}` : 'Chrome'
+  }
+
+  if (ua.includes('safari/') && !ua.includes('chrome/')) {
+    const version = matchBrowserVersion(userAgent, /version\/([\d.]+)/i)
+    return version ? `Safari ${version}` : 'Safari'
+  }
+
+  return '其他浏览器'
+}
+
 export function formatFriendLinkStatus(value: string | null | undefined) {
  switch (value) {
    case 'approved':
--- a/admin/src/lib/api.ts
+++ b/admin/src/lib/api.ts
@@ -4,8 +4,11 @@ import type {
  AdminAiReindexResponse,
  AdminAiProviderTestResponse,
  AdminImageUploadResponse,
+  AdminMediaBatchDeleteResponse,
  AdminMediaDeleteResponse,
  AdminMediaListResponse,
+  AdminMediaReplaceResponse,
+  AdminMediaUploadResponse,
  AdminPostCoverImageRequest,
  AdminPostCoverImageResponse,
  AdminDashboardResponse,
@@ -16,7 +19,11 @@ import type {
  AdminR2ConnectivityResponse,
  AdminSessionResponse,
  AdminSiteSettingsResponse,
+  AuditLogRecord,
  CommentListQuery,
+  CommentBlacklistRecord,
+  CommentPersonaAnalysisLogRecord,
+  CommentPersonaAnalysisResponse,
  CommentRecord,
  CreatePostPayload,
  CreateReviewPayload,
@@ -26,16 +33,52 @@ import type {
  MarkdownDeleteResponse,
  MarkdownDocumentResponse,
  MarkdownImportResponse,
+  NotificationDeliveryRecord,
  PostListQuery,
+  PostRevisionDetail,
+  PostRevisionRecord,
  PostRecord,
  ReviewRecord,
+  RestoreRevisionResponse,
  SiteSettingsPayload,
+  SubscriptionDigestResponse,
+  SubscriptionListResponse,
+  SubscriptionPayload,
+  SubscriptionRecord,
+  SubscriptionUpdatePayload,
  UpdateCommentPayload,
  UpdatePostPayload,
  UpdateReviewPayload,
 } from '@/lib/types'
+import { getRuntimeAdminBaseUrl, normalizeAdminBaseUrl } from '@/lib/runtime-config'

-const API_BASE = import.meta.env.VITE_API_BASE?.trim() || ''
+const envApiBase = normalizeAdminBaseUrl(import.meta.env.VITE_API_BASE)
+const DEV_API_BASE = 'http://localhost:5150'
+const PROD_DEFAULT_API_PORT = '5150'
+
+function getApiBase() {
+  const runtimeApiBase = getRuntimeAdminBaseUrl('apiBaseUrl')
+  if (runtimeApiBase) {
+    return runtimeApiBase
+  }
+
+  if (envApiBase) {
+    return envApiBase
+  }
+
+  if (import.meta.env.DEV) {
+    return DEV_API_BASE
+  }
+
+  if (typeof window === 'undefined') {
+    return DEV_API_BASE
+  }
+
+  const { protocol, hostname } = window.location
+  return `${protocol}//${hostname}:${PROD_DEFAULT_API_PORT}`
+}
+
+const API_BASE = getApiBase()

 export class ApiError extends Error {
  status: number
@@ -95,6 +138,7 @@ async function request<T>(path: string, init?: RequestInit): Promise<T> {

  const response = await fetch(`${API_BASE}${path}`, {
    ...init,
+    credentials: 'include',
    headers,
  })

@@ -126,6 +170,74 @@ export const adminApi = {
    request<AdminSessionResponse>('/api/admin/session', {
      method: 'DELETE',
    }),
+  listAuditLogs: (query?: { action?: string; targetType?: string; limit?: number }) =>
+    request<AuditLogRecord[]>(
+      appendQueryParams('/api/admin/audit-logs', {
+        action: query?.action,
+        target_type: query?.targetType,
+        limit: query?.limit,
+      }),
+    ),
+  listPostRevisions: (query?: { slug?: string; limit?: number }) =>
+    request<PostRevisionRecord[]>(
+      appendQueryParams('/api/admin/post-revisions', {
+        slug: query?.slug,
+        limit: query?.limit,
+      }),
+    ),
+  getPostRevision: (id: number) => request<PostRevisionDetail>(`/api/admin/post-revisions/${id}`),
+  restorePostRevision: (id: number, mode: 'full' | 'markdown' | 'metadata' = 'full') =>
+    request<RestoreRevisionResponse>(`/api/admin/post-revisions/${id}/restore`, {
+      method: 'POST',
+      body: JSON.stringify({ mode }),
+    }),
+  listSubscriptions: async () =>
+    (await request<SubscriptionListResponse>('/api/admin/subscriptions')).subscriptions,
+  createSubscription: (payload: SubscriptionPayload) =>
+    request<SubscriptionRecord>('/api/admin/subscriptions', {
+      method: 'POST',
+      body: JSON.stringify({
+        channelType: payload.channelType,
+        target: payload.target,
+        displayName: payload.displayName,
+        status: payload.status,
+        filters: payload.filters,
+        metadata: payload.metadata,
+        secret: payload.secret,
+        notes: payload.notes,
+      }),
+    }),
+  updateSubscription: (id: number, payload: SubscriptionUpdatePayload) =>
+    request<SubscriptionRecord>(`/api/admin/subscriptions/${id}`, {
+      method: 'PATCH',
+      body: JSON.stringify({
+        channelType: payload.channelType,
+        target: payload.target,
+        displayName: payload.displayName,
+        status: payload.status,
+        filters: payload.filters,
+        metadata: payload.metadata,
+        secret: payload.secret,
+        notes: payload.notes,
+      }),
+    }),
+  deleteSubscription: (id: number) =>
+    request<void>(`/api/admin/subscriptions/${id}`, {
+      method: 'DELETE',
+    }),
+  testSubscription: (id: number) =>
+    request<{ queued: boolean; id: number; delivery_id: number }>(`/api/admin/subscriptions/${id}/test`, {
+      method: 'POST',
+    }),
+  listSubscriptionDeliveries: async (limit = 80) =>
+    (await request<{ deliveries: NotificationDeliveryRecord[] }>(
+      appendQueryParams('/api/admin/subscriptions/deliveries', { limit }),
+    )).deliveries,
+  sendSubscriptionDigest: (period: 'weekly' | 'monthly') =>
+    request<SubscriptionDigestResponse>('/api/admin/subscriptions/digest', {
+      method: 'POST',
+      body: JSON.stringify({ period }),
+    }),
  dashboard: () => request<AdminDashboardResponse>('/api/admin/dashboard'),
  analytics: () => request<AdminAnalyticsResponse>('/api/admin/analytics'),
  getSiteSettings: () => request<AdminSiteSettingsResponse>('/api/admin/site-settings'),
@@ -192,6 +304,35 @@ export const adminApi = {
        method: 'DELETE',
      },
    ),
+  uploadMediaObjects: (files: File[], options?: { prefix?: string }) => {
+    const formData = new FormData()
+    if (options?.prefix) {
+      formData.append('prefix', options.prefix)
+    }
+    files.forEach((file) => {
+      formData.append('files', file, file.name)
+    })
+
+    return request<AdminMediaUploadResponse>('/api/admin/storage/media', {
+      method: 'POST',
+      body: formData,
+    })
+  },
+  batchDeleteMediaObjects: (keys: string[]) =>
+    request<AdminMediaBatchDeleteResponse>('/api/admin/storage/media/batch-delete', {
+      method: 'POST',
+      body: JSON.stringify({ keys }),
+    }),
+  replaceMediaObject: (key: string, file: File) => {
+    const formData = new FormData()
+    formData.append('key', key)
+    formData.append('file', file, file.name)
+
+    return request<AdminMediaReplaceResponse>('/api/admin/storage/media/replace', {
+      method: 'POST',
+      body: formData,
+    })
+  },
  generatePostMetadata: (markdown: string) =>
    request<AdminPostMetadataResponse>('/api/admin/ai/post-metadata', {
      method: 'POST',
@@ -237,9 +378,16 @@ export const adminApi = {
        search: query?.search,
        type: query?.postType,
        pinned: query?.pinned,
+        status: query?.status,
+        visibility: query?.visibility,
+        listed_only: query?.listedOnly,
+        include_private: query?.includePrivate ?? true,
+        include_redirects: query?.includeRedirects ?? true,
+        preview: query?.preview ?? true,
      }),
    ),
-  getPostBySlug: (slug: string) => request<PostRecord>(`/api/posts/slug/${encodeURIComponent(slug)}`),
+  getPostBySlug: (slug: string) =>
+    request<PostRecord>(`/api/posts/slug/${encodeURIComponent(slug)}?preview=true&include_private=true`),
  createPost: (payload: CreatePostPayload) =>
    request<MarkdownDocumentResponse>('/api/posts/markdown', {
      method: 'POST',
@@ -254,6 +402,15 @@ export const adminApi = {
        image: payload.image,
        images: payload.images,
        pinned: payload.pinned,
+        status: payload.status,
+        visibility: payload.visibility,
+        publish_at: payload.publishAt,
+        unpublish_at: payload.unpublishAt,
+        canonical_url: payload.canonicalUrl,
+        noindex: payload.noindex,
+        og_image: payload.ogImage,
+        redirect_from: payload.redirectFrom,
+        redirect_to: payload.redirectTo,
        published: payload.published,
      }),
    }),
@@ -271,6 +428,15 @@ export const adminApi = {
        image: payload.image,
        images: payload.images,
        pinned: payload.pinned,
+        status: payload.status,
+        visibility: payload.visibility,
+        publish_at: payload.publishAt,
+        unpublish_at: payload.unpublishAt,
+        canonical_url: payload.canonicalUrl,
+        noindex: payload.noindex,
+        og_image: payload.ogImage,
+        redirect_from: payload.redirectFrom,
+        redirect_to: payload.redirectTo,
      }),
    }),
  getPostMarkdown: (slug: string) =>
@@ -315,6 +481,59 @@ export const adminApi = {
    request<void>(`/api/comments/${id}`, {
      method: 'DELETE',
    }),
+  listCommentBlacklist: () =>
+    request<CommentBlacklistRecord[]>('/api/admin/comments/blacklist'),
+  createCommentBlacklist: (payload: {
+    matcher_type: 'ip' | 'email' | 'user_agent' | string
+    matcher_value: string
+    reason?: string | null
+    active?: boolean
+    expires_at?: string | null
+  }) =>
+    request<CommentBlacklistRecord>('/api/admin/comments/blacklist', {
+      method: 'POST',
+      body: JSON.stringify(payload),
+    }),
+  updateCommentBlacklist: (
+    id: number,
+    payload: {
+      reason?: string | null
+      active?: boolean
+      expires_at?: string | null
+      clear_expires_at?: boolean
+    },
+  ) =>
+    request<CommentBlacklistRecord>(`/api/admin/comments/blacklist/${id}`, {
+      method: 'PATCH',
+      body: JSON.stringify(payload),
+    }),
+  deleteCommentBlacklist: (id: number) =>
+    request<{ deleted: boolean; id: number }>(`/api/admin/comments/blacklist/${id}`, {
+      method: 'DELETE',
+    }),
+  analyzeCommentPersona: (payload: {
+    matcher_type: 'ip' | 'email' | 'user_agent' | string
+    matcher_value: string
+    from?: string | null
+    to?: string | null
+    limit?: number
+  }) =>
+    request<CommentPersonaAnalysisResponse>('/api/admin/comments/analyze', {
+      method: 'POST',
+      body: JSON.stringify(payload),
+    }),
+  listCommentPersonaAnalysisLogs: (query?: {
+    matcher_type?: 'ip' | 'email' | 'user_agent' | string
+    matcher_value?: string
+    limit?: number
+  }) =>
+    request<CommentPersonaAnalysisLogRecord[]>(
+      appendQueryParams('/api/admin/comments/analyze/logs', {
+        matcher_type: query?.matcher_type,
+        matcher_value: query?.matcher_value,
+        limit: query?.limit,
+      }),
+    ),
  listFriendLinks: (query?: FriendLinkListQuery) =>
    request<FriendLinkRecord[]>(
      appendQueryParams('/api/friend_links', {
--- a/admin/src/lib/frontend-url.ts
+++ b/admin/src/lib/frontend-url.ts
@@ -0,0 +1,28 @@
+import { getRuntimeAdminBaseUrl, normalizeAdminBaseUrl } from '@/lib/runtime-config'
+
+const envFrontendBaseUrl = normalizeAdminBaseUrl(import.meta.env.VITE_FRONTEND_BASE_URL)
+const DEV_FRONTEND_BASE_URL = 'http://localhost:4321'
+const PROD_DEFAULT_FRONTEND_PORT = '4321'
+
+export function getFrontendBaseUrl() {
+  const runtimeFrontendBaseUrl = getRuntimeAdminBaseUrl('frontendBaseUrl')
+  if (runtimeFrontendBaseUrl) {
+    return runtimeFrontendBaseUrl
+  }
+
+  if (envFrontendBaseUrl) {
+    return envFrontendBaseUrl
+  }
+
+  if (import.meta.env.DEV || typeof window === 'undefined') {
+    return DEV_FRONTEND_BASE_URL
+  }
+
+  const { protocol, hostname } = window.location
+  return `${protocol}//${hostname}:${PROD_DEFAULT_FRONTEND_PORT}`
+}
+
+export function buildFrontendUrl(path = '/') {
+  const normalizedPath = path.startsWith('/') ? path : `/${path}`
+  return `${getFrontendBaseUrl()}${normalizedPath}`
+}
--- a/admin/src/lib/image-compress.ts
+++ b/admin/src/lib/image-compress.ts
@@ -0,0 +1,279 @@
+export interface CompressionPreview {
+  originalSize: number
+  compressedSize: number
+  savedBytes: number
+  savedRatio: number
+}
+
+export interface CompressionResult {
+  file: File
+  usedCompressed: boolean
+  preview: CompressionPreview | null
+}
+
+interface ProcessImageOptions {
+  quality: number
+  maxWidth: number
+  maxHeight: number
+  preferredFormats: string[]
+  coverWidth?: number
+  coverHeight?: number
+}
+
+function formatBytes(value: number) {
+  if (!Number.isFinite(value) || value <= 0) {
+    return '0 B'
+  }
+
+  const units = ['B', 'KB', 'MB', 'GB']
+  let size = value
+  let unit = 0
+
+  while (size >= 1024 && unit < units.length - 1) {
+    size /= 1024
+    unit += 1
+  }
+
+  return `${size >= 10 || unit === 0 ? size.toFixed(0) : size.toFixed(1)} ${units[unit]}`
+}
+
+function canTransformWithCanvas(file: File) {
+  return file.type.startsWith('image/') && file.type !== 'image/svg+xml' && file.type !== 'image/gif'
+}
+
+async function canvasToBlob(
+  canvas: HTMLCanvasElement,
+  preferredFormats: string[],
+  quality: number,
+) {
+  for (const format of preferredFormats) {
+    const blob = await new Promise<Blob | null>((resolve) => {
+      canvas.toBlob(resolve, format, quality)
+    })
+
+    if (blob && blob.type === format) {
+      return blob
+    }
+  }
+
+  return new Promise<Blob | null>((resolve) => {
+    canvas.toBlob(resolve, 'image/png')
+  })
+}
+
+function extensionForMimeType(mimeType: string) {
+  switch (mimeType) {
+    case 'image/avif':
+      return '.avif'
+    case 'image/webp':
+      return '.webp'
+    case 'image/png':
+      return '.png'
+    default:
+      return '.jpg'
+  }
+}
+
+function deriveFileName(file: File, mimeType: string) {
+  const extension = extensionForMimeType(mimeType)
+  if (/\.[A-Za-z0-9]+$/.test(file.name)) {
+    return file.name.replace(/\.[A-Za-z0-9]+$/, extension)
+  }
+
+  return `processed${extension}`
+}
+
+async function processImage(file: File, options: ProcessImageOptions): Promise<File> {
+  if (!canTransformWithCanvas(file)) {
+    return file
+  }
+
+  const bitmap = await createImageBitmap(file)
+  const canvas = document.createElement('canvas')
+
+  if (options.coverWidth && options.coverHeight) {
+    canvas.width = options.coverWidth
+    canvas.height = options.coverHeight
+  } else {
+    const scale = Math.min(
+      options.maxWidth / bitmap.width,
+      options.maxHeight / bitmap.height,
+      1,
+    )
+
+    canvas.width = Math.max(1, Math.round(bitmap.width * scale))
+    canvas.height = Math.max(1, Math.round(bitmap.height * scale))
+  }
+
+  const ctx = canvas.getContext('2d')
+  if (!ctx) {
+    return file
+  }
+
+  if (options.coverWidth && options.coverHeight) {
+    const scale = Math.max(
+      options.coverWidth / bitmap.width,
+      options.coverHeight / bitmap.height,
+    )
+    const drawWidth = bitmap.width * scale
+    const drawHeight = bitmap.height * scale
+    const offsetX = (options.coverWidth - drawWidth) / 2
+    const offsetY = (options.coverHeight - drawHeight) / 2
+
+    ctx.drawImage(bitmap, offsetX, offsetY, drawWidth, drawHeight)
+  } else {
+    ctx.drawImage(bitmap, 0, 0, canvas.width, canvas.height)
+  }
+
+  const blob = await canvasToBlob(canvas, options.preferredFormats, options.quality)
+  if (!blob) {
+    return file
+  }
+
+  return new File([blob], deriveFileName(file, blob.type), {
+    type: blob.type,
+    lastModified: Date.now(),
+  })
+}
+
+async function maybeProcessImageWithPrompt(
+  file: File,
+  options?: {
+    quality?: number
+    ask?: boolean
+    minSavingsRatio?: number
+    contextLabel?: string
+    maxWidth?: number
+    maxHeight?: number
+    preferredFormats?: string[]
+    coverWidth?: number
+    coverHeight?: number
+    forceProcessed?: boolean
+  },
+): Promise<CompressionResult> {
+  if (!canTransformWithCanvas(file)) {
+    return { file, usedCompressed: false, preview: null }
+  }
+
+  const quality = Math.min(Math.max(options?.quality ?? 0.82, 0.45), 0.95)
+  const minSavingsRatio = Math.min(Math.max(options?.minSavingsRatio ?? 0.03, 0), 0.9)
+  const ask = options?.ask ?? true
+  const contextLabel = options?.contextLabel ?? '图片上传'
+  const forceProcessed = options?.forceProcessed ?? false
+
+  let processed: File
+  try {
+    processed = await processImage(file, {
+      quality,
+      maxWidth: Math.max(options?.maxWidth ?? 2200, 320),
+      maxHeight: Math.max(options?.maxHeight ?? 2200, 320),
+      preferredFormats:
+        options?.preferredFormats && options.preferredFormats.length
+          ? options.preferredFormats
+          : file.type === 'image/png'
+            ? ['image/png', 'image/webp', 'image/jpeg']
+            : ['image/webp', 'image/avif', 'image/jpeg'],
+      coverWidth: options?.coverWidth,
+      coverHeight: options?.coverHeight,
+    })
+  } catch {
+    return { file, usedCompressed: false, preview: null }
+  }
+
+  const savedBytes = file.size - processed.size
+  const savedRatio = file.size > 0 ? savedBytes / file.size : 0
+  const preview: CompressionPreview = {
+    originalSize: file.size,
+    compressedSize: processed.size,
+    savedBytes,
+    savedRatio,
+  }
+
+  if (!forceProcessed && processed.size >= file.size) {
+    return { file, usedCompressed: false, preview }
+  }
+
+  if (!forceProcessed && savedRatio < minSavingsRatio) {
+    return { file, usedCompressed: false, preview }
+  }
+
+  if (!ask) {
+    return { file: processed, usedCompressed: true, preview }
+  }
+
+  const deltaText =
+    savedBytes >= 0
+      ? `节省: ${formatBytes(savedBytes)} (${(savedRatio * 100).toFixed(1)}%)`
+      : `体积增加: ${formatBytes(Math.abs(savedBytes))} (${Math.abs(savedRatio * 100).toFixed(1)}%)`
+
+  const intro = forceProcessed
+    ? `${contextLabel}: 已生成规范化版本。`
+    : `${contextLabel}: 检测到可压缩空间。`
+
+  const useProcessed = window.confirm(
+    [
+      intro,
+      `原始: ${formatBytes(file.size)}`,
+      `处理后: ${formatBytes(processed.size)}`,
+      deltaText,
+      '',
+      forceProcessed ? '是否使用规范化版本上传？' : '是否使用压缩版本上传？',
+    ].join('\n'),
+  )
+
+  return {
+    file: useProcessed ? processed : file,
+    usedCompressed: useProcessed,
+    preview,
+  }
+}
+
+export async function maybeCompressImageWithPrompt(
+  file: File,
+  options?: {
+    quality?: number
+    ask?: boolean
+    minSavingsRatio?: number
+    contextLabel?: string
+  },
+): Promise<CompressionResult> {
+  return maybeProcessImageWithPrompt(file, options)
+}
+
+export async function normalizeCoverImageWithPrompt(
+  file: File,
+  options?: {
+    quality?: number
+    ask?: boolean
+    contextLabel?: string
+    width?: number
+    height?: number
+  },
+): Promise<CompressionResult> {
+  return maybeProcessImageWithPrompt(file, {
+    quality: options?.quality ?? 0.82,
+    ask: options?.ask ?? true,
+    contextLabel: options?.contextLabel ?? '封面图规范化',
+    preferredFormats: ['image/avif', 'image/webp', 'image/jpeg'],
+    coverWidth: Math.max(options?.width ?? 1600, 640),
+    coverHeight: Math.max(options?.height ?? 900, 360),
+    forceProcessed: true,
+    minSavingsRatio: 0,
+  })
+}
+
+export function formatCompressionPreview(preview: CompressionPreview | null) {
+  if (!preview) {
+    return ''
+  }
+
+  if (preview.savedBytes >= 0) {
+    return `原始 ${formatBytes(preview.originalSize)} → 处理后 ${formatBytes(
+      preview.compressedSize,
+    )}，节省 ${(preview.savedRatio * 100).toFixed(1)}%`
+  }
+
+  return `原始 ${formatBytes(preview.originalSize)} → 处理后 ${formatBytes(
+    preview.compressedSize,
+  )}，体积增加 ${Math.abs(preview.savedRatio * 100).toFixed(1)}%`
+}
--- a/admin/src/lib/markdown-document.ts
+++ b/admin/src/lib/markdown-document.ts
@@ -9,7 +9,15 @@ export type ParsedMarkdownMeta = {
  image: string
  images: string[]
  pinned: boolean
-  published: boolean
+  status: string
+  visibility: string
+  publishAt: string
+  unpublishAt: string
+  canonicalUrl: string
+  noindex: boolean
+  ogImage: string
+  redirectFrom: string[]
+  redirectTo: string
  tags: string[]
 }

@@ -28,7 +36,15 @@ const defaultMeta: ParsedMarkdownMeta = {
  image: '',
  images: [],
  pinned: false,
-  published: true,
+  status: 'published',
+  visibility: 'public',
+  publishAt: '',
+  unpublishAt: '',
+  canonicalUrl: '',
+  noindex: false,
+  ogImage: '',
+  redirectFrom: [],
+  redirectTo: '',
  tags: [],
 }

@@ -102,7 +118,7 @@ export function parseMarkdownDocument(markdown: string): ParsedMarkdownDocument

  const frontmatter = normalized.slice(4, endIndex)
  const body = normalized.slice(endIndex + 5).trimStart()
-  let currentListKey: 'tags' | 'images' | 'categories' | null = null
+  let currentListKey: 'tags' | 'images' | 'categories' | 'redirect_from' | null = null
  const categories: string[] = []

  frontmatter.split('\n').forEach((line) => {
@@ -118,6 +134,8 @@ export function parseMarkdownDocument(markdown: string): ParsedMarkdownDocument
        meta.tags.push(nextValue)
      } else if (currentListKey === 'images') {
        meta.images.push(nextValue)
+      } else if (currentListKey === 'redirect_from') {
+        meta.redirectFrom.push(nextValue)
      } else {
        categories.push(nextValue)
      }
@@ -155,6 +173,16 @@ export function parseMarkdownDocument(markdown: string): ParsedMarkdownDocument
      return
    }

+    if (key === 'redirect_from') {
+      const redirectFrom = toStringList(value)
+      if (redirectFrom.length) {
+        meta.redirectFrom = redirectFrom
+      } else if (!String(rawValue).trim()) {
+        currentListKey = 'redirect_from'
+      }
+      return
+    }
+
    if (key === 'categories' || key === 'category') {
      const parsedCategories = toStringList(value)
      if (parsedCategories.length) {
@@ -184,12 +212,36 @@ export function parseMarkdownDocument(markdown: string): ParsedMarkdownDocument
      case 'pinned':
        meta.pinned = Boolean(value)
        break
+      case 'status':
+        meta.status = String(value).trim() || 'published'
+        break
+      case 'visibility':
+        meta.visibility = String(value).trim() || 'public'
+        break
+      case 'publish_at':
+        meta.publishAt = String(value).trim()
+        break
+      case 'unpublish_at':
+        meta.unpublishAt = String(value).trim()
+        break
+      case 'canonical_url':
+        meta.canonicalUrl = String(value).trim()
+        break
+      case 'noindex':
+        meta.noindex = Boolean(value)
+        break
+      case 'og_image':
+        meta.ogImage = String(value).trim()
+        break
+      case 'redirect_to':
+        meta.redirectTo = String(value).trim()
+        break
      case 'published':
-        meta.published = value !== false
+        meta.status = value === false ? 'draft' : 'published'
        break
      case 'draft':
        if (value === true) {
-          meta.published = false
+          meta.status = 'draft'
        }
        break
      default:
@@ -223,7 +275,17 @@ export function buildMarkdownDocument(meta: ParsedMarkdownMeta, body: string) {

  lines.push(`post_type: ${JSON.stringify(meta.postType.trim() || 'article')}`)
  lines.push(`pinned: ${meta.pinned ? 'true' : 'false'}`)
-  lines.push(`published: ${meta.published ? 'true' : 'false'}`)
+  lines.push(`status: ${JSON.stringify(meta.status.trim() || 'published')}`)
+  lines.push(`visibility: ${JSON.stringify(meta.visibility.trim() || 'public')}`)
+  lines.push(`noindex: ${meta.noindex ? 'true' : 'false'}`)
+
+  if (meta.publishAt.trim()) {
+    lines.push(`publish_at: ${JSON.stringify(meta.publishAt.trim())}`)
+  }
+
+  if (meta.unpublishAt.trim()) {
+    lines.push(`unpublish_at: ${JSON.stringify(meta.unpublishAt.trim())}`)
+  }

  if (meta.image.trim()) {
    lines.push(`image: ${JSON.stringify(meta.image.trim())}`)
@@ -243,5 +305,24 @@ export function buildMarkdownDocument(meta: ParsedMarkdownMeta, body: string) {
    })
  }

+  if (meta.canonicalUrl.trim()) {
+    lines.push(`canonical_url: ${JSON.stringify(meta.canonicalUrl.trim())}`)
+  }
+
+  if (meta.ogImage.trim()) {
+    lines.push(`og_image: ${JSON.stringify(meta.ogImage.trim())}`)
+  }
+
+  if (meta.redirectFrom.length) {
+    lines.push('redirect_from:')
+    meta.redirectFrom.forEach((item) => {
+      lines.push(`  - ${JSON.stringify(item)}`)
+    })
+  }
+
+  if (meta.redirectTo.trim()) {
+    lines.push(`redirect_to: ${JSON.stringify(meta.redirectTo.trim())}`)
+  }
+
  return `${lines.join('\n')}\n---\n\n${body.trim()}\n`
 }
--- a/admin/src/lib/runtime-config.ts
+++ b/admin/src/lib/runtime-config.ts
@@ -0,0 +1,22 @@
+export type TermiAdminRuntimeConfig = {
+  apiBaseUrl?: string
+  frontendBaseUrl?: string
+}
+
+declare global {
+  interface Window {
+    __TERMI_ADMIN_RUNTIME_CONFIG__?: TermiAdminRuntimeConfig
+  }
+}
+
+export function normalizeAdminBaseUrl(value?: string | null) {
+  return value?.trim().replace(/\/$/, '') ?? ''
+}
+
+export function getRuntimeAdminBaseUrl(key: keyof TermiAdminRuntimeConfig) {
+  if (typeof window === 'undefined') {
+    return ''
+  }
+
+  return normalizeAdminBaseUrl(window.__TERMI_ADMIN_RUNTIME_CONFIG__?.[key])
+}
--- a/admin/src/lib/types.ts
+++ b/admin/src/lib/types.ts
@@ -1,12 +1,140 @@
 export interface AdminSessionResponse {
  authenticated: boolean
  username: string | null
+  email: string | null
+  auth_source: string | null
+  auth_provider: string | null
+  groups: string[]
+  proxy_auth_enabled: boolean
+  local_login_enabled: boolean
+  can_logout: boolean
+}
+
+export interface AuditLogRecord {
+  created_at: string
+  updated_at: string
+  id: number
+  actor_username: string | null
+  actor_email: string | null
+  actor_source: string | null
+  action: string
+  target_type: string
+  target_id: string | null
+  target_label: string | null
+  metadata: Record<string, unknown> | null
+}
+
+export interface PostRevisionRecord {
+  id: number
+  post_slug: string
+  post_title: string | null
+  operation: string
+  revision_reason: string | null
+  actor_username: string | null
+  actor_email: string | null
+  actor_source: string | null
+  created_at: string
+  has_markdown: boolean
+  metadata: Record<string, unknown> | null
+}
+
+export interface PostRevisionDetail {
+  item: PostRevisionRecord
+  markdown: string | null
+}
+
+export interface RestoreRevisionResponse {
+  restored: boolean
+  revision_id: number
+  post_slug: string
+  mode: 'full' | 'markdown' | 'metadata' | string
+}
+
+export interface SubscriptionRecord {
+  created_at: string
+  updated_at: string
+  id: number
+  channel_type: string
+  target: string
+  display_name: string | null
+  status: string
+  filters: Record<string, unknown> | null
+  metadata: Record<string, unknown> | null
+  secret: string | null
+  notes: string | null
+  confirm_token: string | null
+  manage_token: string | null
+  verified_at: string | null
+  last_notified_at: string | null
+  failure_count: number | null
+  last_delivery_status: string | null
+}
+
+export interface NotificationDeliveryRecord {
+  created_at: string
+  updated_at: string
+  id: number
+  subscription_id: number | null
+  channel_type: string
+  target: string
+  event_type: string
+  status: string
+  provider: string | null
+  response_text: string | null
+  payload: Record<string, unknown> | null
+  attempts_count: number
+  next_retry_at: string | null
+  last_attempt_at: string | null
+  delivered_at: string | null
+}
+
+export interface SubscriptionListResponse {
+  subscriptions: SubscriptionRecord[]
+}
+
+export interface DeliveryListResponse {
+  deliveries: NotificationDeliveryRecord[]
+}
+
+export interface SubscriptionPayload {
+  channelType: string
+  target: string
+  displayName?: string | null
+  status?: string | null
+  filters?: Record<string, unknown> | null
+  metadata?: Record<string, unknown> | null
+  secret?: string | null
+  notes?: string | null
+}
+
+export interface SubscriptionUpdatePayload {
+  channelType?: string | null
+  target?: string | null
+  displayName?: string | null
+  status?: string | null
+  filters?: Record<string, unknown> | null
+  metadata?: Record<string, unknown> | null
+  secret?: string | null
+  notes?: string | null
+}
+
+export interface SubscriptionDigestResponse {
+  period: string
+  post_count: number
+  queued: number
+  skipped: number
 }

 export interface DashboardStats {
  total_posts: number
  total_comments: number
  pending_comments: number
+  draft_posts: number
+  scheduled_posts: number
+  offline_posts: number
+  expired_posts: number
+  private_posts: number
+  unlisted_posts: number
  total_categories: number
  total_tags: number
  total_reviews: number
@@ -23,6 +151,8 @@ export interface DashboardPostItem {
  category: string
  post_type: string
  pinned: boolean
+  status: string
+  visibility: string
  created_at: string
 }

@@ -84,6 +214,16 @@ export interface AnalyticsOverview {
  avg_ai_latency_ms_last_7d: number | null
 }

+export interface ContentAnalyticsOverview {
+  total_page_views: number
+  page_views_last_24h: number
+  page_views_last_7d: number
+  total_read_completes: number
+  read_completes_last_7d: number
+  avg_read_progress_last_7d: number
+  avg_read_duration_ms_last_7d: number | null
+}
+
 export interface AnalyticsTopQuery {
  query: string
  count: number
@@ -108,6 +248,20 @@ export interface AnalyticsProviderBucket {
  count: number
 }

+export interface AnalyticsReferrerBucket {
+  referrer: string
+  count: number
+}
+
+export interface AnalyticsPopularPost {
+  slug: string
+  title: string
+  page_views: number
+  read_completes: number
+  avg_progress_percent: number
+  avg_duration_ms: number | null
+}
+
 export interface AnalyticsDailyBucket {
  date: string
  searches: number
@@ -116,10 +270,13 @@ export interface AnalyticsDailyBucket {

 export interface AdminAnalyticsResponse {
  overview: AnalyticsOverview
+  content_overview: ContentAnalyticsOverview
  top_search_terms: AnalyticsTopQuery[]
  top_ai_questions: AnalyticsTopQuery[]
  recent_events: AnalyticsRecentEvent[]
  providers_last_7d: AnalyticsProviderBucket[]
+  top_referrers: AnalyticsReferrerBucket[]
+  popular_posts: AnalyticsPopularPost[]
  daily_activity: AnalyticsDailyBucket[]
 }

@@ -167,6 +324,12 @@ export interface AdminSiteSettingsResponse {
  media_r2_public_base_url: string | null
  media_r2_access_key_id: string | null
  media_r2_secret_access_key: string | null
+  seo_default_og_image: string | null
+  seo_default_twitter_handle: string | null
+  notification_webhook_url: string | null
+  notification_comment_enabled: boolean
+  notification_friend_link_enabled: boolean
+  search_synonyms: string[]
 }

 export interface AiProviderConfig {
@@ -219,6 +382,12 @@ export interface SiteSettingsPayload {
  mediaR2PublicBaseUrl?: string | null
  mediaR2AccessKeyId?: string | null
  mediaR2SecretAccessKey?: string | null
+  seoDefaultOgImage?: string | null
+  seoDefaultTwitterHandle?: string | null
+  notificationWebhookUrl?: string | null
+  notificationCommentEnabled?: boolean
+  notificationFriendLinkEnabled?: boolean
+  searchSynonyms?: string[]
 }

 export interface AdminAiReindexResponse {
@@ -269,6 +438,74 @@ export interface AdminMediaDeleteResponse {
  key: string
 }

+export interface AdminMediaUploadItem {
+  key: string
+  url: string
+  size_bytes: number
+}
+
+export interface AdminMediaUploadResponse {
+  uploaded: AdminMediaUploadItem[]
+}
+
+export interface AdminMediaBatchDeleteResponse {
+  deleted: string[]
+  failed: string[]
+}
+
+export interface AdminMediaReplaceResponse {
+  key: string
+  url: string
+}
+
+export interface CommentBlacklistRecord {
+  id: number
+  matcher_type: 'ip' | 'email' | 'user_agent' | string
+  matcher_value: string
+  reason: string | null
+  active: boolean
+  expires_at: string | null
+  created_at: string
+  updated_at: string
+  effective: boolean
+}
+
+export interface CommentPersonaAnalysisSample {
+  id: number
+  created_at: string
+  post_slug: string
+  author: string
+  email: string
+  approved: boolean
+  content_preview: string
+}
+
+export interface CommentPersonaAnalysisResponse {
+  matcher_type: 'ip' | 'email' | 'user_agent' | string
+  matcher_value: string
+  total_comments: number
+  pending_comments: number
+  first_seen_at: string | null
+  latest_seen_at: string | null
+  distinct_posts: number
+  analysis: string
+  samples: CommentPersonaAnalysisSample[]
+}
+
+export interface CommentPersonaAnalysisLogRecord {
+  id: number
+  matcher_type: 'ip' | 'email' | 'user_agent' | string
+  matcher_value: string
+  from_at: string | null
+  to_at: string | null
+  total_comments: number
+  pending_comments: number
+  distinct_posts: number
+  analysis: string
+  samples: CommentPersonaAnalysisSample[]
+  created_at: string
+}
+
 export interface MusicTrack {
  title: string
  artist?: string | null
@@ -334,6 +571,15 @@ export interface PostRecord {
  image: string | null
  images: string[] | null
  pinned: boolean | null
+  status: string | null
+  visibility: string | null
+  publish_at: string | null
+  unpublish_at: string | null
+  canonical_url: string | null
+  noindex: boolean | null
+  og_image: string | null
+  redirect_from: string[] | null
+  redirect_to: string | null
 }

 export interface PostListQuery {
@@ -343,6 +589,12 @@ export interface PostListQuery {
  search?: string
  postType?: string
  pinned?: boolean
+  status?: string
+  visibility?: string
+  listedOnly?: boolean
+  includePrivate?: boolean
+  includeRedirects?: boolean
+  preview?: boolean
 }

 export interface CreatePostPayload {
@@ -356,6 +608,15 @@ export interface CreatePostPayload {
  image?: string | null
  images?: string[] | null
  pinned?: boolean
+  status?: string | null
+  visibility?: string | null
+  publishAt?: string | null
+  unpublishAt?: string | null
+  canonicalUrl?: string | null
+  noindex?: boolean
+  ogImage?: string | null
+  redirectFrom?: string[]
+  redirectTo?: string | null
  published?: boolean
 }

@@ -370,6 +631,15 @@ export interface UpdatePostPayload {
  image?: string | null
  images?: string[] | null
  pinned?: boolean | null
+  status?: string | null
+  visibility?: string | null
+  publishAt?: string | null
+  unpublishAt?: string | null
+  canonicalUrl?: string | null
+  noindex?: boolean | null
+  ogImage?: string | null
+  redirectFrom?: string[]
+  redirectTo?: string | null
 }

 export interface MarkdownDocumentResponse {
@@ -397,6 +667,9 @@ export interface CommentRecord {
  author: string | null
  email: string | null
  avatar: string | null
+  ip_address: string | null
+  user_agent: string | null
+  referer: string | null
  content: string | null
  scope: string
  paragraph_key: string | null
--- a/admin/src/pages/analytics-page.tsx
+++ b/admin/src/pages/analytics-page.tsx
@@ -1,4 +1,4 @@
-import { BarChart3, BrainCircuit, Clock3, RefreshCcw, Search } from 'lucide-react'
+import { BarChart3, BrainCircuit, Clock3, Eye, RefreshCcw, Search } from 'lucide-react'
 import { startTransition, useCallback, useEffect, useMemo, useState } from 'react'
 import { toast } from 'sonner'

@@ -15,6 +15,7 @@ import {
  TableRow,
 } from '@/components/ui/table'
 import { adminApi, ApiError } from '@/lib/api'
+import { buildFrontendUrl } from '@/lib/frontend-url'
 import type { AdminAnalyticsResponse } from '@/lib/types'

 function StatCard({
@@ -56,6 +57,29 @@ function formatSuccess(value: boolean | null) {
  return value ? '成功' : '失败'
 }

+function formatPercent(value: number) {
+  return `${Math.round(value)}%`
+}
+
+function formatDuration(value: number | null) {
+  if (value === null || !Number.isFinite(value) || value <= 0) {
+    return '暂无'
+  }
+
+  if (value < 1000) {
+    return `${Math.round(value)} ms`
+  }
+
+  const seconds = value / 1000
+  if (seconds < 60) {
+    return `${seconds.toFixed(seconds >= 10 ? 0 : 1)} 秒`
+  }
+
+  const minutes = Math.floor(seconds / 60)
+  const restSeconds = Math.round(seconds % 60)
+  return `${minutes} 分 ${restSeconds} 秒`
+}
+
 export function AnalyticsPage() {
  const [data, setData] = useState<AdminAnalyticsResponse | null>(null)
  const [loading, setLoading] = useState(true)
@@ -147,22 +171,49 @@ export function AnalyticsPage() {
    },
  ]

+  const contentStatCards = [
+    {
+      label: '累计页面访问',
+      value: String(data.content_overview.total_page_views),
+      note: `近 24 小时 ${data.content_overview.page_views_last_24h} 次，近 7 天 ${data.content_overview.page_views_last_7d} 次`,
+      icon: Eye,
+    },
+    {
+      label: '累计完读次数',
+      value: String(data.content_overview.total_read_completes),
+      note: `近 7 天新增 ${data.content_overview.read_completes_last_7d} 次 read_complete`,
+      icon: BarChart3,
+    },
+    {
+      label: '近 7 天平均进度',
+      value: formatPercent(data.content_overview.avg_read_progress_last_7d),
+      note: '基于 read_progress / read_complete 事件估算内容消费深度',
+      icon: Search,
+    },
+    {
+      label: '近 7 天平均阅读时长',
+      value: formatDuration(data.content_overview.avg_read_duration_ms_last_7d),
+      note: '同一会话在文章页停留并产生阅读进度的平均时长',
+      icon: Clock3,
+    },
+  ]
+
  return (
    <div className="space-y-6">
      <div className="flex flex-col gap-4 xl:flex-row xl:items-end xl:justify-between">
        <div className="space-y-3">
          <Badge variant="secondary">数据分析</Badge>
          <div>
-            <h2 className="text-3xl font-semibold tracking-tight">前台搜索与 AI 问答洞察</h2>
+            <h2 className="text-3xl font-semibold tracking-tight">前台搜索、阅读行为与 AI 问答洞察</h2>
            <p className="mt-2 max-w-3xl text-sm leading-7 text-muted-foreground">
-              这里会记录用户真实提交过的站内搜索词和 AI 提问，方便你判断内容需求、热点问题和接入质量。
+              这里会同时记录站内搜索、AI 提问、页面访问、阅读进度和来源分析，方便你判断内容需求、热门文章和站点增长质量。
            </p>
          </div>
        </div>

        <div className="flex flex-wrap items-center gap-3">
          <Button variant="outline" asChild>
-            <a href="http://localhost:4321/ask" target="_blank" rel="noreferrer">
+            <a href={buildFrontendUrl('/ask')} target="_blank" rel="noreferrer">
              <BrainCircuit className="h-4 w-4" />
              打开问答页
            </a>
@@ -184,6 +235,12 @@ export function AnalyticsPage() {
        ))}
      </div>

+      <div className="grid gap-4 md:grid-cols-2 xl:grid-cols-4">
+        {contentStatCards.map((item) => (
+          <StatCard key={item.label} {...item} />
+        ))}
+      </div>
+
      <div className="grid gap-6 xl:grid-cols-[1.2fr_0.8fr]">
        <div className="space-y-6">
          <Card>
@@ -246,11 +303,69 @@ export function AnalyticsPage() {
                  ))}
                </TableBody>
              </Table>
-            </CardContent>
-          </Card>
+              </CardContent>
+            </Card>

-          <div className="grid gap-6 lg:grid-cols-2">
            <Card>
+              <CardHeader className="flex flex-row items-start justify-between gap-4">
+                <div>
+                  <CardTitle>热门文章榜</CardTitle>
+                  <CardDescription>
+                    基于 page_view / read_complete 事件聚合的内容表现排行。
+                  </CardDescription>
+                </div>
+                <Badge variant="outline">{data.popular_posts.length} 篇</Badge>
+              </CardHeader>
+              <CardContent>
+                <Table>
+                  <TableHeader>
+                    <TableRow>
+                      <TableHead>文章</TableHead>
+                      <TableHead>浏览</TableHead>
+                      <TableHead>完读</TableHead>
+                      <TableHead>平均进度</TableHead>
+                      <TableHead>平均时长</TableHead>
+                    </TableRow>
+                  </TableHeader>
+                  <TableBody>
+                    {data.popular_posts.length ? (
+                      data.popular_posts.map((post) => (
+                        <TableRow key={post.slug}>
+                          <TableCell>
+                            <div className="space-y-1">
+                              <a
+                                href={buildFrontendUrl(`/articles/${post.slug}`)}
+                                target="_blank"
+                                rel="noreferrer"
+                                className="font-medium text-primary hover:underline"
+                              >
+                                {post.title}
+                              </a>
+                              <p className="font-mono text-xs text-muted-foreground">
+                                {post.slug}
+                              </p>
+                            </div>
+                          </TableCell>
+                          <TableCell>{post.page_views}</TableCell>
+                          <TableCell>{post.read_completes}</TableCell>
+                          <TableCell>{formatPercent(post.avg_progress_percent)}</TableCell>
+                          <TableCell>{formatDuration(post.avg_duration_ms)}</TableCell>
+                        </TableRow>
+                      ))
+                    ) : (
+                      <TableRow>
+                        <TableCell colSpan={5} className="text-sm text-muted-foreground">
+                          还没有足够的内容访问数据。
+                        </TableCell>
+                      </TableRow>
+                    )}
+                  </TableBody>
+                </Table>
+              </CardContent>
+            </Card>
+
+            <div className="grid gap-6 lg:grid-cols-2">
+              <Card>
              <CardHeader className="flex flex-row items-start justify-between gap-4">
                <div>
                  <CardTitle>热门搜索词</CardTitle>
@@ -319,35 +434,70 @@ export function AnalyticsPage() {
        <div className="space-y-6 xl:sticky xl:top-28 xl:self-start">
          <Card>
            <CardHeader>
-              <CardTitle>分析侧栏</CardTitle>
+              <CardTitle>内容消费概览</CardTitle>
              <CardDescription>
-                24 小时、7 天和模型渠道维度的快速摘要。
+                浏览量、完读率和阅读时长的快速摘要。
              </CardDescription>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
                <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
-                  24 小时搜索
-                </p>
-                <p className="mt-3 text-3xl font-semibold">{data.overview.searches_last_24h}</p>
-              </div>
-              <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
-                <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
-                  24 小时 AI 提问
-                </p>
-                <p className="mt-3 text-3xl font-semibold">{data.overview.ai_questions_last_24h}</p>
-              </div>
-              <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
-                <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
-                  AI 平均耗时
+                  24 小时页面访问
                </p>
                <p className="mt-3 text-3xl font-semibold">
-                  {data.overview.avg_ai_latency_ms_last_7d !== null
-                    ? `${Math.round(data.overview.avg_ai_latency_ms_last_7d)} ms`
-                    : '暂无'}
+                  {data.content_overview.page_views_last_24h}
+                </p>
+              </div>
+              <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
+                <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
+                  近 7 天完读
+                </p>
+                <p className="mt-3 text-3xl font-semibold">
+                  {data.content_overview.read_completes_last_7d}
+                </p>
+              </div>
+              <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
+                <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
+                  近 7 天平均阅读进度
+                </p>
+                <p className="mt-3 text-3xl font-semibold">
+                  {formatPercent(data.content_overview.avg_read_progress_last_7d)}
                </p>
                <p className="mt-2 text-sm text-muted-foreground">统计范围：最近 7 天</p>
              </div>
+              <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
+                <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
+                  近 7 天平均阅读时长
+                </p>
+                <p className="mt-3 text-3xl font-semibold">
+                  {formatDuration(data.content_overview.avg_read_duration_ms_last_7d)}
+                </p>
+                <p className="mt-2 text-sm text-muted-foreground">同一会话聚合后的阅读耗时</p>
+              </div>
+            </CardContent>
+          </Card>
+
+          <Card>
+            <CardHeader>
+              <CardTitle>来源分析</CardTitle>
+              <CardDescription>
+                近 7 天触发 page_view 的主要 referrer host。
+              </CardDescription>
+            </CardHeader>
+            <CardContent className="space-y-3">
+              {data.top_referrers.length ? (
+                data.top_referrers.map((item) => (
+                  <div
+                    key={item.referrer}
+                    className="flex items-center justify-between rounded-2xl border border-border/70 bg-background/70 px-4 py-3"
+                  >
+                    <span className="line-clamp-1 font-medium">{item.referrer}</span>
+                    <Badge variant="outline">{item.count}</Badge>
+                  </div>
+                ))
+              ) : (
+                <p className="text-sm text-muted-foreground">最近 7 天还没有来源分析数据。</p>
+              )}
            </CardContent>
          </Card>

--- a/admin/src/pages/audit-page.tsx
+++ b/admin/src/pages/audit-page.tsx
@@ -0,0 +1,166 @@
+import { RefreshCcw } from 'lucide-react'
+import { startTransition, useCallback, useEffect, useMemo, useState } from 'react'
+import { toast } from 'sonner'
+
+import { Badge } from '@/components/ui/badge'
+import { Button } from '@/components/ui/button'
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
+import { Input } from '@/components/ui/input'
+import { Skeleton } from '@/components/ui/skeleton'
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from '@/components/ui/table'
+import { adminApi, ApiError } from '@/lib/api'
+import type { AuditLogRecord } from '@/lib/types'
+
+export function AuditPage() {
+  const [logs, setLogs] = useState<AuditLogRecord[]>([])
+  const [loading, setLoading] = useState(true)
+  const [refreshing, setRefreshing] = useState(false)
+  const [keyword, setKeyword] = useState('')
+
+  const loadLogs = useCallback(async (showToast = false) => {
+    try {
+      if (showToast) {
+        setRefreshing(true)
+      }
+      const next = await adminApi.listAuditLogs({ limit: 120 })
+      startTransition(() => {
+        setLogs(next)
+      })
+      if (showToast) {
+        toast.success('审计日志已刷新。')
+      }
+    } catch (error) {
+      if (error instanceof ApiError && error.status === 401) {
+        return
+      }
+      toast.error(error instanceof ApiError ? error.message : '无法加载审计日志。')
+    } finally {
+      setLoading(false)
+      setRefreshing(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    void loadLogs(false)
+  }, [loadLogs])
+
+  const filteredLogs = useMemo(() => {
+    const normalized = keyword.trim().toLowerCase()
+    if (!normalized) {
+      return logs
+    }
+
+    return logs.filter((log) =>
+      [
+        log.action,
+        log.target_type,
+        log.target_id ?? '',
+        log.target_label ?? '',
+        log.actor_username ?? '',
+        log.actor_email ?? '',
+      ]
+        .join(' ')
+        .toLowerCase()
+        .includes(normalized),
+    )
+  }, [keyword, logs])
+
+  if (loading) {
+    return (
+      <div className="space-y-6">
+        <Skeleton className="h-32 rounded-3xl" />
+        <Skeleton className="h-[520px] rounded-3xl" />
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-col gap-4 xl:flex-row xl:items-end xl:justify-between">
+        <div className="space-y-3">
+          <Badge variant="secondary">操作审计</Badge>
+          <div>
+            <h2 className="text-3xl font-semibold tracking-tight">后台操作审计日志</h2>
+            <p className="mt-2 max-w-3xl text-sm leading-7 text-muted-foreground">
+              登录、发布、回滚、订阅推送等关键后台动作都会在这里留下记录，方便排查误操作与安全事件。
+            </p>
+          </div>
+        </div>
+
+        <div className="flex flex-wrap items-center gap-3">
+          <Input
+            value={keyword}
+            onChange={(event) => setKeyword(event.target.value)}
+            placeholder="按动作 / 对象 / 操作者过滤"
+            className="w-[280px]"
+          />
+          <Button variant="secondary" onClick={() => void loadLogs(true)} disabled={refreshing}>
+            <RefreshCcw className="h-4 w-4" />
+            {refreshing ? '刷新中...' : '刷新'}
+          </Button>
+        </div>
+      </div>
+
+      <Card>
+        <CardHeader className="flex flex-row items-start justify-between gap-4">
+          <div>
+            <CardTitle>最近操作</CardTitle>
+            <CardDescription>默认展示最近 120 条关键后台动作。</CardDescription>
+          </div>
+          <Badge variant="outline">{filteredLogs.length} 条</Badge>
+        </CardHeader>
+        <CardContent>
+          <Table>
+            <TableHeader>
+              <TableRow>
+                <TableHead>时间</TableHead>
+                <TableHead>动作</TableHead>
+                <TableHead>对象</TableHead>
+                <TableHead>操作者</TableHead>
+                <TableHead>补充信息</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {filteredLogs.map((log) => (
+                <TableRow key={log.id}>
+                  <TableCell className="text-muted-foreground">{log.created_at}</TableCell>
+                  <TableCell>
+                    <Badge variant="secondary">{log.action}</Badge>
+                  </TableCell>
+                  <TableCell>
+                    <div className="space-y-1">
+                      <div className="font-medium">{log.target_type}</div>
+                      <div className="font-mono text-xs text-muted-foreground">
+                        {log.target_label ?? log.target_id ?? '—'}
+                      </div>
+                    </div>
+                  </TableCell>
+                  <TableCell>
+                    <div className="space-y-1 text-sm">
+                      <div>{log.actor_username ?? 'system'}</div>
+                      <div className="text-xs text-muted-foreground">
+                        {log.actor_email ?? log.actor_source ?? '未记录'}
+                      </div>
+                    </div>
+                  </TableCell>
+                  <TableCell className="max-w-[320px] text-sm text-muted-foreground">
+                    <pre className="whitespace-pre-wrap break-words font-mono text-[11px] leading-5">
+                      {log.metadata ? JSON.stringify(log.metadata, null, 2) : '—'}
+                    </pre>
+                  </TableCell>
+                </TableRow>
+              ))}
+            </TableBody>
+          </Table>
+        </CardContent>
+      </Card>
+    </div>
+  )
+}
--- a/admin/src/pages/comments-page.tsx
+++ b/admin/src/pages/comments-page.tsx
--- a/admin/src/pages/dashboard-page.tsx
+++ b/admin/src/pages/dashboard-page.tsx
@@ -1,6 +1,7 @@
 import {
  ArrowUpRight,
  BrainCircuit,
+  Clock3,
  FolderTree,
  MessageSquareWarning,
  RefreshCcw,
@@ -24,10 +25,13 @@ import {
  TableRow,
 } from '@/components/ui/table'
 import { adminApi, ApiError } from '@/lib/api'
+import { buildFrontendUrl } from '@/lib/frontend-url'
 import {
  formatCommentScope,
+  formatPostStatus,
  formatFriendLinkStatus,
  formatPostType,
+  formatPostVisibility,
  formatReviewStatus,
  formatReviewType,
 } from '@/lib/admin-format'
@@ -120,6 +124,16 @@ export function DashboardPage() {
      note: '等待审核处理',
      icon: MessageSquareWarning,
    },
+    {
+      label: '发布待办',
+      value:
+        data.stats.draft_posts +
+        data.stats.scheduled_posts +
+        data.stats.offline_posts +
+        data.stats.expired_posts,
+      note: `草稿 ${data.stats.draft_posts} / 定时 ${data.stats.scheduled_posts} / 下线 ${data.stats.offline_posts + data.stats.expired_posts}`,
+      icon: Clock3,
+    },
    {
      label: '分类数量',
      value: data.stats.total_categories,
@@ -149,7 +163,7 @@ export function DashboardPage() {

        <div className="flex flex-wrap items-center gap-3">
          <Button variant="outline" asChild>
-            <a href="http://localhost:4321/ask" target="_blank" rel="noreferrer">
+            <a href={buildFrontendUrl('/ask')} target="_blank" rel="noreferrer">
              <ArrowUpRight className="h-4 w-4" />
              打开 AI 问答
            </a>
@@ -188,6 +202,7 @@ export function DashboardPage() {
                <TableRow>
                  <TableHead>标题</TableHead>
                  <TableHead>类型</TableHead>
+                  <TableHead>状态</TableHead>
                  <TableHead>分类</TableHead>
                  <TableHead>创建时间</TableHead>
                </TableRow>
@@ -207,6 +222,12 @@ export function DashboardPage() {
                    <TableCell className="uppercase text-muted-foreground">
                      {formatPostType(post.post_type)}
                    </TableCell>
+                    <TableCell>
+                      <div className="flex flex-wrap gap-2">
+                        <Badge variant="outline">{formatPostStatus(post.status)}</Badge>
+                        <Badge variant="secondary">{formatPostVisibility(post.visibility)}</Badge>
+                      </div>
+                    </TableCell>
                    <TableCell>{post.category}</TableCell>
                    <TableCell className="text-muted-foreground">{post.created_at}</TableCell>
                  </TableRow>
@@ -257,6 +278,34 @@ export function DashboardPage() {
              </div>
            </div>

+            <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
+              <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
+                发布队列
+              </p>
+              <div className="mt-3 grid gap-3 sm:grid-cols-2">
+                <div>
+                  <p className="text-2xl font-semibold">{data.stats.draft_posts}</p>
+                  <p className="text-xs text-muted-foreground">草稿</p>
+                </div>
+                <div>
+                  <p className="text-2xl font-semibold">{data.stats.scheduled_posts}</p>
+                  <p className="text-xs text-muted-foreground">定时发布</p>
+                </div>
+                <div>
+                  <p className="text-2xl font-semibold">{data.stats.offline_posts}</p>
+                  <p className="text-xs text-muted-foreground">手动下线</p>
+                </div>
+                <div>
+                  <p className="text-2xl font-semibold">{data.stats.expired_posts}</p>
+                  <p className="text-xs text-muted-foreground">自动过期</p>
+                </div>
+              </div>
+              <div className="mt-4 flex flex-wrap gap-2 text-xs text-muted-foreground">
+                <Badge variant="outline">私有 {data.stats.private_posts}</Badge>
+                <Badge variant="outline">不公开 {data.stats.unlisted_posts}</Badge>
+              </div>
+            </div>
+
            <div className="rounded-2xl border border-border/70 bg-background/70 p-4">
              <p className="text-xs uppercase tracking-[0.2em] text-muted-foreground">
                最近一次 AI 索引
@@ -275,7 +324,7 @@ export function DashboardPage() {
            <div>
              <CardTitle>待审核评论</CardTitle>
              <CardDescription>
-                不进入旧后台也能查看审核队列。
+                在当前管理端直接查看审核队列。
              </CardDescription>
            </div>
            <Badge variant="warning">{data.pending_comments.length} 条待处理</Badge>
--- a/admin/src/pages/login-page.tsx
+++ b/admin/src/pages/login-page.tsx
@@ -8,9 +8,13 @@ import { Label } from '@/components/ui/label'

 export function LoginPage({
  submitting,
+  localLoginEnabled,
+  proxyAuthEnabled,
  onLogin,
 }: {
  submitting: boolean
+  localLoginEnabled: boolean
+  proxyAuthEnabled: boolean
  onLogin: (payload: { username: string; password: string }) => Promise<void>
 }) {
  const [username, setUsername] = useState('admin')
@@ -30,7 +34,7 @@ export function LoginPage({
                将后台从前台中拆分出来，同时保持迭代节奏不掉线。
              </CardTitle>
              <CardDescription className="max-w-xl text-base leading-7">
-                新工作台会逐步承接运营、审核与 AI 配置，把旧的服务端渲染后台平滑替换掉。
+                当前管理工作统一在这个独立后台中完成，后端专注提供 API、认证与业务规则。
              </CardDescription>
            </div>
          </CardHeader>
@@ -60,44 +64,58 @@ export function LoginPage({
              登录管理后台
            </CardTitle>
            <CardDescription>
-              当前登录仍复用后端已有管理员账号，这样可以一边迁移页面，一边保证功能持续可用。
+              {localLoginEnabled
+                ? '当前登录复用后端管理员账号；如果前面接了 TinyAuth / Pocket ID，也可以直接由反向代理完成 SSO。'
+                : proxyAuthEnabled
+                  ? '当前后台已切到代理侧 SSO 模式，请从受保护的后台域名入口进入。'
+                  : '当前后台未开放本地账号密码登录，请检查部署配置。'}
            </CardDescription>
          </CardHeader>
          <CardContent>
-            <form
-              className="space-y-5"
-              onSubmit={(event) => {
-                event.preventDefault()
-                void onLogin({ username, password })
-              }}
-            >
-              <div className="space-y-2">
-                <Label htmlFor="username">用户名</Label>
-                <Input
-                  id="username"
-                  value={username}
-                  onChange={(event) => setUsername(event.target.value)}
-                  autoComplete="username"
-                  required
-                />
-              </div>
+            {localLoginEnabled ? (
+              <form
+                className="space-y-5"
+                onSubmit={(event) => {
+                  event.preventDefault()
+                  void onLogin({ username, password })
+                }}
+              >
+                <div className="space-y-2">
+                  <Label htmlFor="username">用户名</Label>
+                  <Input
+                    id="username"
+                    value={username}
+                    onChange={(event) => setUsername(event.target.value)}
+                    autoComplete="username"
+                    required
+                  />
+                </div>

-              <div className="space-y-2">
-                <Label htmlFor="password">密码</Label>
-                <Input
-                  id="password"
-                  type="password"
-                  value={password}
-                  onChange={(event) => setPassword(event.target.value)}
-                  autoComplete="current-password"
-                  required
-                />
-              </div>
+                <div className="space-y-2">
+                  <Label htmlFor="password">密码</Label>
+                  <Input
+                    id="password"
+                    type="password"
+                    value={password}
+                    onChange={(event) => setPassword(event.target.value)}
+                    autoComplete="current-password"
+                    required
+                  />
+                </div>

-              <Button className="w-full" size="lg" disabled={submitting}>
-                {submitting ? '登录中...' : '进入后台'}
-              </Button>
-            </form>
+                <Button className="w-full" size="lg" disabled={submitting}>
+                  {submitting ? '登录中...' : '进入后台'}
+                </Button>
+              </form>
+            ) : (
+              <div className="space-y-4 rounded-2xl border border-border/70 bg-background/70 p-4 text-sm leading-7 text-muted-foreground">
+                <p>推荐通过 Caddy + TinyAuth + Pocket ID 保护整个后台入口。</p>
+                <p>如果你已经从受保护的后台域名进入，刷新页面后会自动识别当前 SSO 会话。</p>
+                <Button className="w-full" size="lg" onClick={() => window.location.reload()}>
+                  重新检查会话
+                </Button>
+              </div>
+            )}
          </CardContent>
        </Card>
      </div>
--- a/admin/src/pages/media-page.tsx
+++ b/admin/src/pages/media-page.tsx
@@ -1,4 +1,13 @@
-import { Copy, Image as ImageIcon, RefreshCcw, Trash2 } from 'lucide-react'
+import {
+  CheckSquare,
+  Copy,
+  Image as ImageIcon,
+  RefreshCcw,
+  Replace,
+  Square,
+  Trash2,
+  Upload,
+} from 'lucide-react'
 import { startTransition, useCallback, useEffect, useMemo, useState } from 'react'
 import { toast } from 'sonner'

@@ -9,6 +18,11 @@ import { Input } from '@/components/ui/input'
 import { Select } from '@/components/ui/select'
 import { Skeleton } from '@/components/ui/skeleton'
 import { adminApi, ApiError } from '@/lib/api'
+import {
+  formatCompressionPreview,
+  maybeCompressImageWithPrompt,
+  normalizeCoverImageWithPrompt,
+} from '@/lib/image-compress'
 import type { AdminMediaObjectResponse } from '@/lib/types'

 function formatBytes(value: number) {
@@ -30,10 +44,18 @@ export function MediaPage() {
  const [loading, setLoading] = useState(true)
  const [refreshing, setRefreshing] = useState(false)
  const [deletingKey, setDeletingKey] = useState<string | null>(null)
+  const [replacingKey, setReplacingKey] = useState<string | null>(null)
+  const [uploading, setUploading] = useState(false)
+  const [batchDeleting, setBatchDeleting] = useState(false)
  const [prefixFilter, setPrefixFilter] = useState('all')
+  const [uploadPrefix, setUploadPrefix] = useState('post-covers/')
  const [searchTerm, setSearchTerm] = useState('')
  const [provider, setProvider] = useState<string | null>(null)
  const [bucket, setBucket] = useState<string | null>(null)
+  const [uploadFiles, setUploadFiles] = useState<File[]>([])
+  const [selectedKeys, setSelectedKeys] = useState<string[]>([])
+  const [compressBeforeUpload, setCompressBeforeUpload] = useState(true)
+  const [compressQuality, setCompressQuality] = useState('0.82')

  const loadItems = useCallback(async (showToast = false) => {
    try {
@@ -62,6 +84,12 @@ export function MediaPage() {
    void loadItems(false)
  }, [loadItems])

+  useEffect(() => {
+    setSelectedKeys((current) =>
+      current.filter((key) => items.some((item) => item.key === key)),
+    )
+  }, [items])
+
  const filteredItems = useMemo(() => {
    const keyword = searchTerm.trim().toLowerCase()
    if (!keyword) {
@@ -70,6 +98,40 @@ export function MediaPage() {
    return items.filter((item) => item.key.toLowerCase().includes(keyword))
  }, [items, searchTerm])

+  const allFilteredSelected =
+    filteredItems.length > 0 && filteredItems.every((item) => selectedKeys.includes(item.key))
+
+  async function prepareFiles(files: File[], targetPrefix = uploadPrefix) {
+    if (!compressBeforeUpload) {
+      return files
+    }
+
+    const quality = Number.parseFloat(compressQuality)
+    const safeQuality = Number.isFinite(quality) ? Math.min(Math.max(quality, 0.4), 0.95) : 0.82
+    const normalizeCover =
+      targetPrefix === 'post-covers/' || targetPrefix === 'review-covers/'
+
+    const result: File[] = []
+    for (const file of files) {
+      const compressed = normalizeCover
+        ? await normalizeCoverImageWithPrompt(file, {
+            quality: safeQuality,
+            ask: true,
+            contextLabel: `封面规范化上传（${file.name}）`,
+          })
+        : await maybeCompressImageWithPrompt(file, {
+            quality: safeQuality,
+            ask: true,
+            contextLabel: `媒体库上传（${file.name}）`,
+          })
+      if (compressed.preview) {
+        toast.message(formatCompressionPreview(compressed.preview) || '压缩评估完成')
+      }
+      result.push(compressed.file)
+    }
+    return result
+  }
+
  return (
    <div className="space-y-6">
      <div className="flex flex-col gap-4 xl:flex-row xl:items-end xl:justify-between">
@@ -78,7 +140,7 @@ export function MediaPage() {
          <div>
            <h2 className="text-3xl font-semibold tracking-tight">对象存储媒体管理</h2>
            <p className="mt-2 max-w-3xl text-sm leading-7 text-muted-foreground">
-              查看当前对象存储里的封面资源，支持筛选、复制链接和删除无用对象。
+              查看当前对象存储里的封面资源，支持上传、批量删除、压缩上传和原位替换。
            </p>
          </div>
        </div>
@@ -88,27 +150,119 @@ export function MediaPage() {
            <RefreshCcw className="h-4 w-4" />
            {refreshing ? '刷新中...' : '刷新'}
          </Button>
+          <Button
+            variant="danger"
+            disabled={!selectedKeys.length || batchDeleting}
+            onClick={async () => {
+              if (!window.confirm(`确定批量删除 ${selectedKeys.length} 个对象吗？`)) {
+                return
+              }
+
+              try {
+                setBatchDeleting(true)
+                const result = await adminApi.batchDeleteMediaObjects(selectedKeys)
+                if (result.failed.length) {
+                  toast.warning(`已删除 ${result.deleted.length} 个，失败 ${result.failed.length} 个。`)
+                } else {
+                  toast.success(`已删除 ${result.deleted.length} 个对象。`)
+                }
+                await loadItems(false)
+              } catch (error) {
+                toast.error(error instanceof ApiError ? error.message : '批量删除失败。')
+              } finally {
+                setBatchDeleting(false)
+              }
+            }}
+          >
+            <Trash2 className="h-4 w-4" />
+            批量删除 ({selectedKeys.length})
+          </Button>
        </div>
      </div>

      <Card>
        <CardHeader>
-          <CardTitle>当前存储</CardTitle>
+          <CardTitle>上传与处理</CardTitle>
          <CardDescription>
            Provider：{provider ?? '未配置'} / Bucket：{bucket ?? '未配置'}
          </CardDescription>
        </CardHeader>
-        <CardContent className="grid gap-4 lg:grid-cols-[220px_1fr]">
-          <Select value={prefixFilter} onChange={(event) => setPrefixFilter(event.target.value)}>
-            <option value="all">全部目录</option>
-            <option value="post-covers/">文章封面</option>
-            <option value="review-covers/">评测封面</option>
-          </Select>
-          <Input
-            placeholder="按对象 key 搜索"
-            value={searchTerm}
-            onChange={(event) => setSearchTerm(event.target.value)}
-          />
+        <CardContent className="space-y-3">
+          <div className="grid gap-3 lg:grid-cols-[220px_220px_1fr]">
+            <Select value={prefixFilter} onChange={(event) => setPrefixFilter(event.target.value)}>
+              <option value="all">全部目录</option>
+              <option value="post-covers/">文章封面</option>
+              <option value="review-covers/">评测封面</option>
+              <option value="uploads/">通用上传</option>
+            </Select>
+            <Select value={uploadPrefix} onChange={(event) => setUploadPrefix(event.target.value)}>
+              <option value="post-covers/">上传到文章封面</option>
+              <option value="review-covers/">上传到评测封面</option>
+              <option value="uploads/">上传到通用目录</option>
+            </Select>
+            <Input
+              placeholder="按对象 key 搜索"
+              value={searchTerm}
+              onChange={(event) => setSearchTerm(event.target.value)}
+            />
+          </div>
+
+          <div className="grid gap-3 lg:grid-cols-[1fr_auto_auto_auto]">
+            <Input
+              type="file"
+              multiple
+              accept="image/*"
+              onChange={(event) => {
+                const files = Array.from(event.target.files || [])
+                setUploadFiles(files)
+              }}
+            />
+            <Button
+              type="button"
+              variant="outline"
+              onClick={() => setCompressBeforeUpload((current) => !current)}
+            >
+              {compressBeforeUpload ? <CheckSquare className="h-4 w-4" /> : <Square className="h-4 w-4" />}
+              压缩上传
+            </Button>
+            <Input
+              className="w-[96px]"
+              value={compressQuality}
+              onChange={(event) => setCompressQuality(event.target.value)}
+              placeholder="0.82"
+              disabled={!compressBeforeUpload}
+            />
+            <Button
+              disabled={!uploadFiles.length || uploading}
+              onClick={async () => {
+                try {
+                  setUploading(true)
+                  const files = await prepareFiles(uploadFiles)
+                  const result = await adminApi.uploadMediaObjects(files, {
+                    prefix: uploadPrefix,
+                  })
+                  toast.success(`上传完成，共 ${result.uploaded.length} 个文件。`)
+                  setUploadFiles([])
+                  await loadItems(false)
+                } catch (error) {
+                  toast.error(error instanceof ApiError ? error.message : '上传失败。')
+                } finally {
+                  setUploading(false)
+                }
+              }}
+            >
+              <Upload className="h-4 w-4" />
+              {uploading ? '上传中...' : '上传'}
+            </Button>
+          </div>
+          {uploadFiles.length ? (
+            <p className="text-xs text-muted-foreground">
+              已选择 {uploadFiles.length} 个文件。
+              {uploadPrefix === 'post-covers/' || uploadPrefix === 'review-covers/'
+                ? ' 当前会自动裁切为 16:9 封面，并优先转成 AVIF/WebP。'
+                : ''}
+            </p>
+          ) : null}
        </CardContent>
      </Card>

@@ -116,64 +270,138 @@ export function MediaPage() {
        <Skeleton className="h-[520px] rounded-3xl" />
      ) : (
        <div className="grid gap-4 xl:grid-cols-2 2xl:grid-cols-3">
-          {filteredItems.map((item) => (
-            <Card key={item.key} className="overflow-hidden">
-              <div className="aspect-[16/9] overflow-hidden bg-muted/30">
-                <img src={item.url} alt={item.key} className="h-full w-full object-cover" />
-              </div>
-              <CardContent className="space-y-4 p-5">
-                <div className="space-y-2">
-                  <p className="line-clamp-2 break-all text-sm font-medium">{item.key}</p>
-                  <div className="flex flex-wrap gap-2 text-xs text-muted-foreground">
-                    <span>{formatBytes(item.size_bytes)}</span>
-                    {item.last_modified ? <span>{item.last_modified}</span> : null}
+          {filteredItems.map((item, index) => {
+            const selected = selectedKeys.includes(item.key)
+            const replaceInputId = `replace-media-${index}`
+
+            return (
+              <Card key={item.key} className="overflow-hidden">
+                <div className="relative aspect-[16/9] overflow-hidden bg-muted/30">
+                  <img src={item.url} alt={item.key} className="h-full w-full object-cover" />
+                  <button
+                    type="button"
+                    className="absolute left-2 top-2 rounded-xl border border-border/80 bg-background/80 p-1"
+                    onClick={() => {
+                      setSelectedKeys((current) => {
+                        if (current.includes(item.key)) {
+                          return current.filter((key) => key !== item.key)
+                        }
+                        return [...current, item.key]
+                      })
+                    }}
+                  >
+                    {selected ? <CheckSquare className="h-4 w-4 text-primary" /> : <Square className="h-4 w-4" />}
+                  </button>
+                </div>
+                <CardContent className="space-y-4 p-5">
+                  <div className="space-y-2">
+                    <p className="line-clamp-2 break-all text-sm font-medium">{item.key}</p>
+                    <div className="flex flex-wrap gap-2 text-xs text-muted-foreground">
+                      <span>{formatBytes(item.size_bytes)}</span>
+                      {item.last_modified ? <span>{item.last_modified}</span> : null}
+                    </div>
                  </div>
-                </div>
-                <div className="flex flex-wrap gap-2">
-                  <Button
-                    size="sm"
-                    variant="outline"
-                    onClick={async () => {
-                      try {
-                        await navigator.clipboard.writeText(item.url)
-                        toast.success('图片链接已复制。')
-                      } catch {
-                        toast.error('复制失败，请手动复制。')
-                      }
-                    }}
-                  >
-                    <Copy className="h-4 w-4" />
-                    复制链接
-                  </Button>
-                  <Button
-                    size="sm"
-                    variant="danger"
-                    disabled={deletingKey === item.key}
-                    onClick={async () => {
-                      if (!window.confirm(`确定删除 ${item.key} 吗？`)) {
-                        return
-                      }
-                      try {
-                        setDeletingKey(item.key)
-                        await adminApi.deleteMediaObject(item.key)
-                        startTransition(() => {
-                          setItems((current) => current.filter((currentItem) => currentItem.key !== item.key))
-                        })
-                        toast.success('媒体对象已删除。')
-                      } catch (error) {
-                        toast.error(error instanceof ApiError ? error.message : '删除媒体对象失败。')
-                      } finally {
-                        setDeletingKey(null)
-                      }
-                    }}
-                  >
-                    <Trash2 className="h-4 w-4" />
-                    {deletingKey === item.key ? '删除中...' : '删除'}
-                  </Button>
-                </div>
-              </CardContent>
-            </Card>
-          ))}
+                  <div className="flex flex-wrap gap-2">
+                    <Button
+                      size="sm"
+                      variant="outline"
+                      onClick={async () => {
+                        try {
+                          await navigator.clipboard.writeText(item.url)
+                          toast.success('图片链接已复制。')
+                        } catch {
+                          toast.error('复制失败，请手动复制。')
+                        }
+                      }}
+                    >
+                      <Copy className="h-4 w-4" />
+                      复制链接
+                    </Button>
+                    <Button size="sm" variant="outline" asChild>
+                      <label htmlFor={replaceInputId} className="cursor-pointer">
+                        <Replace className="h-4 w-4" />
+                        替换
+                      </label>
+                    </Button>
+                    <input
+                      id={replaceInputId}
+                      className="hidden"
+                      type="file"
+                      accept="image/*"
+                      onChange={async (event) => {
+                        const file = event.target.files?.item(0)
+                        event.currentTarget.value = ''
+                        if (!file) {
+                          return
+                        }
+
+                        try {
+                          setReplacingKey(item.key)
+                          const [prepared] = await prepareFiles(
+                            [file],
+                            item.key.startsWith('review-covers/')
+                              ? 'review-covers/'
+                              : item.key.startsWith('post-covers/')
+                                ? 'post-covers/'
+                                : 'uploads/',
+                          )
+                          const result = await adminApi.replaceMediaObject(item.key, prepared)
+                          startTransition(() => {
+                            setItems((current) =>
+                              current.map((currentItem) =>
+                                currentItem.key === item.key
+                                  ? { ...currentItem, url: result.url }
+                                  : currentItem,
+                              ),
+                            )
+                          })
+                          toast.success('已替换媒体对象。')
+                        } catch (error) {
+                          toast.error(error instanceof ApiError ? error.message : '替换失败。')
+                        } finally {
+                          setReplacingKey(null)
+                        }
+                      }}
+                    />
+                    <Button
+                      size="sm"
+                      variant="danger"
+                      disabled={deletingKey === item.key || replacingKey === item.key}
+                      onClick={async () => {
+                        if (!window.confirm(`确定删除 ${item.key} 吗？`)) {
+                          return
+                        }
+                        try {
+                          setDeletingKey(item.key)
+                          await adminApi.deleteMediaObject(item.key)
+                          startTransition(() => {
+                            setItems((current) =>
+                              current.filter((currentItem) => currentItem.key !== item.key),
+                            )
+                            setSelectedKeys((current) =>
+                              current.filter((key) => key !== item.key),
+                            )
+                          })
+                          toast.success('媒体对象已删除。')
+                        } catch (error) {
+                          toast.error(error instanceof ApiError ? error.message : '删除媒体对象失败。')
+                        } finally {
+                          setDeletingKey(null)
+                        }
+                      }}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                      {deletingKey === item.key
+                        ? '删除中...'
+                        : replacingKey === item.key
+                          ? '替换中...'
+                          : '删除'}
+                    </Button>
+                  </div>
+                </CardContent>
+              </Card>
+            )
+          })}

          {!filteredItems.length ? (
            <Card className="xl:col-span-2 2xl:col-span-3">
@@ -185,6 +413,37 @@ export function MediaPage() {
          ) : null}
        </div>
      )}
+
+      {filteredItems.length ? (
+        <Card>
+          <CardContent className="flex flex-wrap items-center justify-between gap-3 pt-6 text-sm text-muted-foreground">
+            <p>
+              当前筛选 {filteredItems.length} 个对象，已选择 {selectedKeys.length} 个。
+            </p>
+            <Button
+              variant="outline"
+              onClick={() => {
+                if (allFilteredSelected) {
+                  setSelectedKeys((current) =>
+                    current.filter(
+                      (key) => !filteredItems.some((item) => item.key === key),
+                    ),
+                  )
+                  return
+                }
+                setSelectedKeys((current) => {
+                  const next = new Set(current)
+                  filteredItems.forEach((item) => next.add(item.key))
+                  return Array.from(next)
+                })
+              }}
+            >
+              {allFilteredSelected ? <Square className="h-4 w-4" /> : <CheckSquare className="h-4 w-4" />}
+              {allFilteredSelected ? '取消全选' : '全选当前筛选'}
+            </Button>
+          </CardContent>
+        </Card>
+      ) : null}
    </div>
  )
 }
--- a/admin/src/pages/post-preview-page.tsx
+++ b/admin/src/pages/post-preview-page.tsx
@@ -7,6 +7,7 @@ import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
 import { adminApi, ApiError } from '@/lib/api'
+import { buildFrontendUrl } from '@/lib/frontend-url'
 import { loadDraftWindowSnapshot } from '@/lib/post-draft-window'

 type PreviewState = {
@@ -124,7 +125,7 @@ export function PostPreviewPage({ slugOverride }: { slugOverride?: string }) {
            </Button>
            {slug ? (
              <Button variant="outline" asChild>
-                <a href={`http://localhost:4321/articles/${slug}`} target="_blank" rel="noreferrer">
+                <a href={buildFrontendUrl(`/articles/${slug}`)} target="_blank" rel="noreferrer">
                  <ExternalLink className="h-4 w-4" />
                  打开前台页面
                </a>
--- a/admin/src/pages/posts-page.tsx
+++ b/admin/src/pages/posts-page.tsx
@@ -12,6 +12,7 @@ import {
  RotateCcw,
  Save,
  Trash2,
+  Upload,
  WandSparkles,
  X,
 } from 'lucide-react'
@@ -38,10 +39,22 @@ import { Select } from '@/components/ui/select'
 import { Skeleton } from '@/components/ui/skeleton'
 import { Textarea } from '@/components/ui/textarea'
 import { adminApi, ApiError } from '@/lib/api'
-import { emptyToNull, formatDateTime, formatPostType, postTagsToList } from '@/lib/admin-format'
+import {
+  emptyToNull,
+  formatDateTime,
+  formatPostStatus,
+  formatPostType,
+  formatPostVisibility,
+  postTagsToList,
+} from '@/lib/admin-format'
+import {
+  formatCompressionPreview,
+  normalizeCoverImageWithPrompt,
+} from '@/lib/image-compress'
 import { buildMarkdownDocument, parseMarkdownDocument } from '@/lib/markdown-document'
 import { countLineDiff, normalizeMarkdown } from '@/lib/markdown-diff'
 import { applySelectedDiffHunks, computeDiffHunks, type DiffHunk } from '@/lib/markdown-merge'
+import { buildFrontendUrl } from '@/lib/frontend-url'
 import { cn } from '@/lib/utils'
 import type {
  AdminPostMetadataResponse,
@@ -59,6 +72,15 @@ type PostFormState = {
  image: string
  imagesText: string
  pinned: boolean
+  status: string
+  visibility: string
+  publishAt: string
+  unpublishAt: string
+  canonicalUrl: string
+  noindex: boolean
+  ogImage: string
+  redirectFromText: string
+  redirectTo: string
  tags: string
  markdown: string
  savedMarkdown: string
@@ -73,6 +95,15 @@ type PostFormState = {
    image: string
    imagesText: string
    pinned: boolean
+    status: string
+    visibility: string
+    publishAt: string
+    unpublishAt: string
+    canonicalUrl: string
+    noindex: boolean
+    ogImage: string
+    redirectFromText: string
+    redirectTo: string
    tags: string
  }
 }
@@ -86,6 +117,15 @@ type CreatePostFormState = {
  image: string
  imagesText: string
  pinned: boolean
+  status: string
+  visibility: string
+  publishAt: string
+  unpublishAt: string
+  canonicalUrl: string
+  noindex: boolean
+  ogImage: string
+  redirectFromText: string
+  redirectTo: string
  tags: string
  markdown: string
 }
@@ -141,8 +181,6 @@ const createMetadataProposalFields: MetadataProposalField[] = [
  'category',
  'tags',
 ]
-const FRONTEND_DEV_ORIGIN = 'http://localhost:4321'
-
 const defaultCreateForm: CreatePostFormState = {
  title: '',
  slug: '',
@@ -152,6 +190,15 @@ const defaultCreateForm: CreatePostFormState = {
  image: '',
  imagesText: '',
  pinned: false,
+  status: 'draft',
+  visibility: 'public',
+  publishAt: '',
+  unpublishAt: '',
+  canonicalUrl: '',
+  noindex: false,
+  ogImage: '',
+  redirectFromText: '',
+  redirectTo: '',
  tags: '',
  markdown: '# 未命名文章\n',
 }
@@ -219,11 +266,7 @@ function resolveCoverPreviewUrl(value: string) {
  }

  if (trimmed.startsWith('/')) {
-    if (import.meta.env.DEV) {
-      return new URL(trimmed, FRONTEND_DEV_ORIGIN).toString()
-    }
-
-    return new URL(trimmed, window.location.origin).toString()
+    return buildFrontendUrl(trimmed)
  }

  return trimmed
@@ -409,20 +452,29 @@ function stripFrontmatter(markdown: string) {
  return normalized.slice(endIndex + 5).trimStart()
 }

-function extractPublishedFlag(markdown: string) {
+function extractPostStatus(markdown: string) {
  const normalized = markdown.replace(/\r\n/g, '\n')
  if (!normalized.startsWith('---\n')) {
-    return true
+    return 'published'
  }

  const endIndex = normalized.indexOf('\n---\n', 4)
  if (endIndex === -1) {
-    return true
+    return 'published'
  }

  const frontmatter = normalized.slice(4, endIndex)
-  const match = frontmatter.match(/^published:\s*(true|false)\s*$/m)
-  return match?.[1] !== 'false'
+  const statusMatch = frontmatter.match(/^status:\s*(.+)\s*$/m)
+  if (statusMatch?.[1]) {
+    return statusMatch[1].replace(/^['"]|['"]$/g, '').trim() || 'published'
+  }
+
+  const publishedMatch = frontmatter.match(/^published:\s*(true|false)\s*$/m)
+  if (publishedMatch) {
+    return publishedMatch[1] === 'false' ? 'draft' : 'published'
+  }
+
+  return 'published'
 }

 function buildMarkdownForSave(form: PostFormState) {
@@ -441,7 +493,17 @@ function buildMarkdownForSave(form: PostFormState) {

  lines.push(`post_type: ${JSON.stringify(form.postType.trim() || 'article')}`)
  lines.push(`pinned: ${form.pinned ? 'true' : 'false'}`)
-  lines.push(`published: ${extractPublishedFlag(form.markdown) ? 'true' : 'false'}`)
+  lines.push(`status: ${JSON.stringify(form.status.trim() || extractPostStatus(form.markdown))}`)
+  lines.push(`visibility: ${JSON.stringify(form.visibility.trim() || 'public')}`)
+  lines.push(`noindex: ${form.noindex ? 'true' : 'false'}`)
+
+  if (form.publishAt.trim()) {
+    lines.push(`publish_at: ${JSON.stringify(form.publishAt.trim())}`)
+  }
+
+  if (form.unpublishAt.trim()) {
+    lines.push(`unpublish_at: ${JSON.stringify(form.unpublishAt.trim())}`)
+  }

  if (form.image.trim()) {
    lines.push(`image: ${JSON.stringify(form.image.trim())}`)
@@ -466,6 +528,26 @@ function buildMarkdownForSave(form: PostFormState) {
    })
  }

+  if (form.canonicalUrl.trim()) {
+    lines.push(`canonical_url: ${JSON.stringify(form.canonicalUrl.trim())}`)
+  }
+
+  if (form.ogImage.trim()) {
+    lines.push(`og_image: ${JSON.stringify(form.ogImage.trim())}`)
+  }
+
+  const redirectFrom = parseImageList(form.redirectFromText)
+  if (redirectFrom.length) {
+    lines.push('redirect_from:')
+    redirectFrom.forEach((item) => {
+      lines.push(`  - ${JSON.stringify(item)}`)
+    })
+  }
+
+  if (form.redirectTo.trim()) {
+    lines.push(`redirect_to: ${JSON.stringify(form.redirectTo.trim())}`)
+  }
+
  return `${lines.join('\n')}\n---\n\n${stripFrontmatter(form.markdown).trim()}\n`
 }

@@ -483,6 +565,15 @@ function buildEditorState(post: PostRecord, markdown: string, path: string): Pos
    image: post.image ?? '',
    imagesText,
    pinned: Boolean(post.pinned),
+    status: post.status ?? extractPostStatus(markdown),
+    visibility: post.visibility ?? 'public',
+    publishAt: post.publish_at ?? '',
+    unpublishAt: post.unpublish_at ?? '',
+    canonicalUrl: post.canonical_url ?? '',
+    noindex: Boolean(post.noindex),
+    ogImage: post.og_image ?? '',
+    redirectFromText: (post.redirect_from ?? []).join('\n'),
+    redirectTo: post.redirect_to ?? '',
    tags,
    markdown,
    savedMarkdown: markdown,
@@ -497,6 +588,15 @@ function buildEditorState(post: PostRecord, markdown: string, path: string): Pos
      image: post.image ?? '',
      imagesText,
      pinned: Boolean(post.pinned),
+      status: post.status ?? extractPostStatus(markdown),
+      visibility: post.visibility ?? 'public',
+      publishAt: post.publish_at ?? '',
+      unpublishAt: post.unpublish_at ?? '',
+      canonicalUrl: post.canonical_url ?? '',
+      noindex: Boolean(post.noindex),
+      ogImage: post.og_image ?? '',
+      redirectFromText: (post.redirect_from ?? []).join('\n'),
+      redirectTo: post.redirect_to ?? '',
      tags,
    },
  }
@@ -511,6 +611,15 @@ function hasMetadataDraftChanges(form: PostFormState) {
    form.image !== form.savedMeta.image ||
    form.imagesText !== form.savedMeta.imagesText ||
    form.pinned !== form.savedMeta.pinned ||
+    form.status !== form.savedMeta.status ||
+    form.visibility !== form.savedMeta.visibility ||
+    form.publishAt !== form.savedMeta.publishAt ||
+    form.unpublishAt !== form.savedMeta.unpublishAt ||
+    form.canonicalUrl !== form.savedMeta.canonicalUrl ||
+    form.noindex !== form.savedMeta.noindex ||
+    form.ogImage !== form.savedMeta.ogImage ||
+    form.redirectFromText !== form.savedMeta.redirectFromText ||
+    form.redirectTo !== form.savedMeta.redirectTo ||
    form.tags !== form.savedMeta.tags
  )
 }
@@ -534,7 +643,15 @@ function buildCreatePayload(form: CreatePostFormState): CreatePostPayload {
    image: emptyToNull(form.image),
    images: parseImageList(form.imagesText),
    pinned: form.pinned,
-    published: true,
+    status: emptyToNull(form.status) ?? 'draft',
+    visibility: emptyToNull(form.visibility) ?? 'public',
+    publishAt: emptyToNull(form.publishAt),
+    unpublishAt: emptyToNull(form.unpublishAt),
+    canonicalUrl: emptyToNull(form.canonicalUrl),
+    noindex: form.noindex,
+    ogImage: emptyToNull(form.ogImage),
+    redirectFrom: parseImageList(form.redirectFromText),
+    redirectTo: emptyToNull(form.redirectTo),
  }
 }

@@ -549,7 +666,15 @@ function buildCreateMarkdownForWindow(form: CreatePostFormState) {
      image: form.image.trim(),
      images: parseImageList(form.imagesText),
      pinned: form.pinned,
-      published: true,
+      status: form.status.trim() || 'draft',
+      visibility: form.visibility.trim() || 'public',
+      publishAt: form.publishAt.trim(),
+      unpublishAt: form.unpublishAt.trim(),
+      canonicalUrl: form.canonicalUrl.trim(),
+      noindex: form.noindex,
+      ogImage: form.ogImage.trim(),
+      redirectFrom: parseImageList(form.redirectFromText),
+      redirectTo: form.redirectTo.trim(),
      tags: form.tags
        .split(',')
        .map((item) => item.trim())
@@ -571,7 +696,17 @@ function applyPolishedEditorState(form: PostFormState, markdown: string): PostFo
      image: parsed.meta.image || form.image,
      images: parsed.meta.images.length ? parsed.meta.images : parseImageList(form.imagesText),
      pinned: parsed.meta.pinned,
-      published: extractPublishedFlag(markdown),
+      status: parsed.meta.status || form.status,
+      visibility: parsed.meta.visibility || form.visibility,
+      publishAt: parsed.meta.publishAt || form.publishAt,
+      unpublishAt: parsed.meta.unpublishAt || form.unpublishAt,
+      canonicalUrl: parsed.meta.canonicalUrl || form.canonicalUrl,
+      noindex: parsed.meta.noindex,
+      ogImage: parsed.meta.ogImage || form.ogImage,
+      redirectFrom: parsed.meta.redirectFrom.length
+        ? parsed.meta.redirectFrom
+        : parseImageList(form.redirectFromText),
+      redirectTo: parsed.meta.redirectTo || form.redirectTo,
      tags: parsed.meta.tags.length
        ? parsed.meta.tags
        : form.tags
@@ -591,6 +726,17 @@ function applyPolishedEditorState(form: PostFormState, markdown: string): PostFo
    image: parsed.meta.image || form.image,
    imagesText: parsed.meta.images.length ? parsed.meta.images.join('\n') : form.imagesText,
    pinned: parsed.meta.pinned,
+    status: parsed.meta.status || form.status,
+    visibility: parsed.meta.visibility || form.visibility,
+    publishAt: parsed.meta.publishAt || form.publishAt,
+    unpublishAt: parsed.meta.unpublishAt || form.unpublishAt,
+    canonicalUrl: parsed.meta.canonicalUrl || form.canonicalUrl,
+    noindex: parsed.meta.noindex,
+    ogImage: parsed.meta.ogImage || form.ogImage,
+    redirectFromText: parsed.meta.redirectFrom.length
+      ? parsed.meta.redirectFrom.join('\n')
+      : form.redirectFromText,
+    redirectTo: parsed.meta.redirectTo || form.redirectTo,
    tags: parsed.meta.tags.length ? parsed.meta.tags.join(', ') : form.tags,
    markdown: nextMarkdown,
  }
@@ -609,6 +755,17 @@ function applyPolishedCreateState(form: CreatePostFormState, markdown: string):
    image: parsed.meta.image || form.image,
    imagesText: parsed.meta.images.length ? parsed.meta.images.join('\n') : form.imagesText,
    pinned: parsed.meta.pinned,
+    status: parsed.meta.status || form.status,
+    visibility: parsed.meta.visibility || form.visibility,
+    publishAt: parsed.meta.publishAt || form.publishAt,
+    unpublishAt: parsed.meta.unpublishAt || form.unpublishAt,
+    canonicalUrl: parsed.meta.canonicalUrl || form.canonicalUrl,
+    noindex: parsed.meta.noindex,
+    ogImage: parsed.meta.ogImage || form.ogImage,
+    redirectFromText: parsed.meta.redirectFrom.length
+      ? parsed.meta.redirectFrom.join('\n')
+      : form.redirectFromText,
+    redirectTo: parsed.meta.redirectTo || form.redirectTo,
    tags: parsed.meta.tags.length ? parsed.meta.tags.join(', ') : form.tags,
    markdown: parsed.body || stripFrontmatter(markdown),
  }
@@ -629,6 +786,8 @@ export function PostsPage() {
  const { slug } = useParams()
  const importInputRef = useRef<HTMLInputElement | null>(null)
  const folderImportInputRef = useRef<HTMLInputElement | null>(null)
+  const editorCoverInputRef = useRef<HTMLInputElement | null>(null)
+  const createCoverInputRef = useRef<HTMLInputElement | null>(null)
  const [posts, setPosts] = useState<PostRecord[]>([])
  const [loading, setLoading] = useState(true)
  const [refreshing, setRefreshing] = useState(false)
@@ -642,6 +801,8 @@ export function PostsPage() {
    useState(false)
  const [generatingEditorCover, setGeneratingEditorCover] = useState(false)
  const [generatingCreateCover, setGeneratingCreateCover] = useState(false)
+  const [uploadingEditorCover, setUploadingEditorCover] = useState(false)
+  const [uploadingCreateCover, setUploadingCreateCover] = useState(false)
  const [generatingEditorPolish, setGeneratingEditorPolish] = useState(false)
  const [generatingCreatePolish, setGeneratingCreatePolish] = useState(false)
  const [editor, setEditor] = useState<PostFormState | null>(null)
@@ -896,6 +1057,15 @@ export function PostsPage() {
        image: emptyToNull(editor.image),
        images: parseImageList(editor.imagesText),
        pinned: editor.pinned,
+        status: emptyToNull(editor.status) ?? 'draft',
+        visibility: emptyToNull(editor.visibility) ?? 'public',
+        publishAt: emptyToNull(editor.publishAt),
+        unpublishAt: emptyToNull(editor.unpublishAt),
+        canonicalUrl: emptyToNull(editor.canonicalUrl),
+        noindex: editor.noindex,
+        ogImage: emptyToNull(editor.ogImage),
+        redirectFrom: parseImageList(editor.redirectFromText),
+        redirectTo: emptyToNull(editor.redirectTo),
      })

      const updatedMarkdown = await adminApi.updatePostMarkdown(editor.slug, persistedMarkdown)
@@ -1082,6 +1252,68 @@ export function PostsPage() {
    }
  }, [createForm])

+  const uploadEditorCover = useCallback(async (file: File) => {
+    try {
+      setUploadingEditorCover(true)
+      const compressed = await normalizeCoverImageWithPrompt(file, {
+        quality: 0.82,
+        ask: true,
+        contextLabel: '文章封面规范化上传',
+      })
+      if (compressed.preview) {
+        toast.message(formatCompressionPreview(compressed.preview))
+      }
+
+      const result = await adminApi.uploadMediaObjects([compressed.file], {
+        prefix: 'post-covers/',
+      })
+      const url = result.uploaded[0]?.url
+      if (!url) {
+        throw new Error('上传完成但未返回 URL')
+      }
+
+      startTransition(() => {
+        setEditor((current) => (current ? { ...current, image: url } : current))
+      })
+      toast.success('封面已上传并回填。')
+    } catch (error) {
+      toast.error(error instanceof ApiError ? error.message : '封面上传失败。')
+    } finally {
+      setUploadingEditorCover(false)
+    }
+  }, [])
+
+  const uploadCreateCover = useCallback(async (file: File) => {
+    try {
+      setUploadingCreateCover(true)
+      const compressed = await normalizeCoverImageWithPrompt(file, {
+        quality: 0.82,
+        ask: true,
+        contextLabel: '新建封面规范化上传',
+      })
+      if (compressed.preview) {
+        toast.message(formatCompressionPreview(compressed.preview))
+      }
+
+      const result = await adminApi.uploadMediaObjects([compressed.file], {
+        prefix: 'post-covers/',
+      })
+      const url = result.uploaded[0]?.url
+      if (!url) {
+        throw new Error('上传完成但未返回 URL')
+      }
+
+      startTransition(() => {
+        setCreateForm((current) => ({ ...current, image: url }))
+      })
+      toast.success('封面已上传并回填。')
+    } catch (error) {
+      toast.error(error instanceof ApiError ? error.message : '封面上传失败。')
+    } finally {
+      setUploadingCreateCover(false)
+    }
+  }, [])
+
  const editorPolishHunks = useMemo(
    () =>
      editorPolish
@@ -1596,6 +1828,32 @@ export function PostsPage() {
          void importMarkdownFiles(event.target.files)
        }}
      />
+      <input
+        ref={editorCoverInputRef}
+        type="file"
+        accept="image/png,image/jpeg,image/webp,image/avif,image/gif,image/svg+xml"
+        className="hidden"
+        onChange={(event) => {
+          const file = event.target.files?.[0]
+          if (file) {
+            void uploadEditorCover(file)
+          }
+          event.currentTarget.value = ''
+        }}
+      />
+      <input
+        ref={createCoverInputRef}
+        type="file"
+        accept="image/png,image/jpeg,image/webp,image/avif,image/gif,image/svg+xml"
+        className="hidden"
+        onChange={(event) => {
+          const file = event.target.files?.[0]
+          if (file) {
+            void uploadCreateCover(file)
+          }
+          event.currentTarget.value = ''
+        }}
+      />

      <div className="flex flex-col gap-4 xl:flex-row xl:items-end xl:justify-between">
        <div className="space-y-3">
@@ -1842,7 +2100,10 @@ export function PostsPage() {
                  <div className="flex flex-wrap items-center gap-2">
                    <CardTitle className="text-xl">{editor.title || editor.slug}</CardTitle>
                    <Badge variant="secondary">{formatPostType(editor.postType)}</Badge>
+                    <Badge variant="outline">{formatPostStatus(editor.status)}</Badge>
+                    <Badge variant="outline">{formatPostVisibility(editor.visibility)}</Badge>
                    {editor.pinned ? <Badge variant="success">置顶</Badge> : null}
+                    {editor.noindex ? <Badge variant="warning">noindex</Badge> : null}
                    {markdownDirty ? <Badge variant="warning">未保存</Badge> : null}
                  </div>
                  <CardDescription className="font-mono text-xs">{editor.slug}</CardDescription>
@@ -1912,6 +2173,60 @@ export function PostsPage() {
                      </Select>
                    </FormField>
                  </div>
+                  <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-1 2xl:grid-cols-2">
+                    <FormField label="发布状态">
+                      <Select
+                        value={editor.status}
+                        onChange={(event) =>
+                          setEditor((current) =>
+                            current ? { ...current, status: event.target.value } : current,
+                          )
+                        }
+                      >
+                        <option value="draft">草稿</option>
+                        <option value="published">发布</option>
+                        <option value="offline">下线</option>
+                      </Select>
+                    </FormField>
+                    <FormField label="可见性">
+                      <Select
+                        value={editor.visibility}
+                        onChange={(event) =>
+                          setEditor((current) =>
+                            current ? { ...current, visibility: event.target.value } : current,
+                          )
+                        }
+                      >
+                        <option value="public">公开</option>
+                        <option value="unlisted">不公开（直链）</option>
+                        <option value="private">私有（仅后台预览）</option>
+                      </Select>
+                    </FormField>
+                  </div>
+                  <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-1 2xl:grid-cols-2">
+                    <FormField label="定时发布">
+                      <Input
+                        type="datetime-local"
+                        value={editor.publishAt}
+                        onChange={(event) =>
+                          setEditor((current) =>
+                            current ? { ...current, publishAt: event.target.value } : current,
+                          )
+                        }
+                      />
+                    </FormField>
+                    <FormField label="下线时间">
+                      <Input
+                        type="datetime-local"
+                        value={editor.unpublishAt}
+                        onChange={(event) =>
+                          setEditor((current) =>
+                            current ? { ...current, unpublishAt: event.target.value } : current,
+                          )
+                        }
+                      />
+                    </FormField>
+                  </div>
                  <FormField label="标签" hint="多个标签请用英文逗号分隔。">
                    <Input
                      value={editor.tags}
@@ -1954,10 +2269,18 @@ export function PostsPage() {
                    />
                  </FormField>
                  <div className="flex flex-wrap items-center gap-3">
+                    <Button
+                      variant="outline"
+                      onClick={() => editorCoverInputRef.current?.click()}
+                      disabled={uploadingEditorCover}
+                    >
+                      <Upload className="h-4 w-4" />
+                      {uploadingEditorCover ? '上传中...' : '上传封面'}
+                    </Button>
                    <Button
                      variant="outline"
                      onClick={() => void generateEditorCover()}
-                      disabled={generatingEditorCover}
+                      disabled={generatingEditorCover || uploadingEditorCover}
                    >
                      <WandSparkles className="h-4 w-4" />
                      {generatingEditorCover
@@ -1998,6 +2321,64 @@ export function PostsPage() {
                      }
                    />
                  </FormField>
+                  <FormField label="Canonical URL" hint="留空则使用默认文章地址。">
+                    <Input
+                      value={editor.canonicalUrl}
+                      onChange={(event) =>
+                        setEditor((current) =>
+                          current ? { ...current, canonicalUrl: event.target.value } : current,
+                        )
+                      }
+                    />
+                  </FormField>
+                  <FormField label="OG 图 URL" hint="留空则前台自动生成 SVG 分享图。">
+                    <Input
+                      value={editor.ogImage}
+                      onChange={(event) =>
+                        setEditor((current) =>
+                          current ? { ...current, ogImage: event.target.value } : current,
+                        )
+                      }
+                    />
+                  </FormField>
+                  <FormField label="旧地址重定向" hint="每行一个旧 slug，不带 /articles/ 前缀。">
+                    <Textarea
+                      value={editor.redirectFromText}
+                      onChange={(event) =>
+                        setEditor((current) =>
+                          current ? { ...current, redirectFromText: event.target.value } : current,
+                        )
+                      }
+                    />
+                  </FormField>
+                  <FormField label="强制跳转目标" hint="适合旧文跳新文；留空表示当前 slug 为主地址。">
+                    <Input
+                      value={editor.redirectTo}
+                      onChange={(event) =>
+                        setEditor((current) =>
+                          current ? { ...current, redirectTo: event.target.value } : current,
+                        )
+                      }
+                    />
+                  </FormField>
+                  <label className="flex items-start gap-3 rounded-2xl border border-border/70 bg-background/60 p-4">
+                    <input
+                      type="checkbox"
+                      checked={editor.noindex}
+                      onChange={(event) =>
+                        setEditor((current) =>
+                          current ? { ...current, noindex: event.target.checked } : current,
+                        )
+                      }
+                      className="mt-1 h-4 w-4 rounded border-input text-primary focus:ring-ring"
+                    />
+                    <div>
+                      <div className="font-medium">搜索引擎不收录（noindex）</div>
+                      <div className="text-sm text-muted-foreground">
+                        适合活动页、临时内容或只想保留直链访问的文章。
+                      </div>
+                    </div>
+                  </label>
                  <label className="flex items-start gap-3 rounded-2xl border border-border/70 bg-background/60 p-4">
                    <input
                      type="checkbox"
@@ -2200,6 +2581,8 @@ export function PostsPage() {
                    <Badge variant="outline">{createForm.markdown.split(/\r?\n/).length} 行</Badge>
                    <Badge variant="secondary">AI 元信息对比回填</Badge>
                    <Badge variant="outline">AI 封面</Badge>
+                    <Badge variant="outline">{formatPostStatus(createForm.status)}</Badge>
+                    <Badge variant="outline">{formatPostVisibility(createForm.visibility)}</Badge>
                  </div>
                  <div className="rounded-2xl border border-border/70 bg-background/70 p-4 text-sm leading-6 text-muted-foreground">
                    先写正文，再让 AI 生成标题、摘要、分类、标签和 slug；确认后顺手生成封面图，最后再润色和创建草稿。
@@ -2252,6 +2635,52 @@ export function PostsPage() {
                      </Select>
                    </FormField>
                  </div>
+                  <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-1 2xl:grid-cols-2">
+                    <FormField label="发布状态">
+                      <Select
+                        value={createForm.status}
+                        onChange={(event) =>
+                          setCreateForm((current) => ({ ...current, status: event.target.value }))
+                        }
+                      >
+                        <option value="draft">草稿</option>
+                        <option value="published">发布</option>
+                        <option value="offline">下线</option>
+                      </Select>
+                    </FormField>
+                    <FormField label="可见性">
+                      <Select
+                        value={createForm.visibility}
+                        onChange={(event) =>
+                          setCreateForm((current) => ({ ...current, visibility: event.target.value }))
+                        }
+                      >
+                        <option value="public">公开</option>
+                        <option value="unlisted">不公开（直链）</option>
+                        <option value="private">私有（仅后台预览）</option>
+                      </Select>
+                    </FormField>
+                  </div>
+                  <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-1 2xl:grid-cols-2">
+                    <FormField label="定时发布">
+                      <Input
+                        type="datetime-local"
+                        value={createForm.publishAt}
+                        onChange={(event) =>
+                          setCreateForm((current) => ({ ...current, publishAt: event.target.value }))
+                        }
+                      />
+                    </FormField>
+                    <FormField label="下线时间">
+                      <Input
+                        type="datetime-local"
+                        value={createForm.unpublishAt}
+                        onChange={(event) =>
+                          setCreateForm((current) => ({ ...current, unpublishAt: event.target.value }))
+                        }
+                      />
+                    </FormField>
+                  </div>
                  <FormField label="标签" hint="多个标签请用英文逗号分隔。">
                    <Input
                      value={createForm.tags}
@@ -2291,10 +2720,18 @@ export function PostsPage() {
                    />
                  </FormField>
                  <div className="flex flex-wrap items-center gap-3">
+                    <Button
+                      variant="outline"
+                      onClick={() => createCoverInputRef.current?.click()}
+                      disabled={uploadingCreateCover}
+                    >
+                      <Upload className="h-4 w-4" />
+                      {uploadingCreateCover ? '上传中...' : '上传封面'}
+                    </Button>
                    <Button
                      variant="outline"
                      onClick={() => void generateCreateCover()}
-                      disabled={generatingCreateCover}
+                      disabled={generatingCreateCover || uploadingCreateCover}
                    >
                      <WandSparkles className="h-4 w-4" />
                      {generatingCreateCover
@@ -2333,6 +2770,57 @@ export function PostsPage() {
                      }
                    />
                  </FormField>
+                  <FormField label="Canonical URL" hint="留空时使用默认文章地址。">
+                    <Input
+                      value={createForm.canonicalUrl}
+                      onChange={(event) =>
+                        setCreateForm((current) => ({ ...current, canonicalUrl: event.target.value }))
+                      }
+                    />
+                  </FormField>
+                  <FormField label="OG 图 URL" hint="留空则由前台自动生成。">
+                    <Input
+                      value={createForm.ogImage}
+                      onChange={(event) =>
+                        setCreateForm((current) => ({ ...current, ogImage: event.target.value }))
+                      }
+                    />
+                  </FormField>
+                  <FormField label="旧地址重定向" hint="每行一个旧 slug。">
+                    <Textarea
+                      value={createForm.redirectFromText}
+                      onChange={(event) =>
+                        setCreateForm((current) => ({
+                          ...current,
+                          redirectFromText: event.target.value,
+                        }))
+                      }
+                    />
+                  </FormField>
+                  <FormField label="强制跳转目标" hint="可选：创建即作为跳转占位。">
+                    <Input
+                      value={createForm.redirectTo}
+                      onChange={(event) =>
+                        setCreateForm((current) => ({ ...current, redirectTo: event.target.value }))
+                      }
+                    />
+                  </FormField>
+                  <label className="flex items-start gap-3 rounded-2xl border border-border/70 bg-background/60 p-4">
+                    <input
+                      type="checkbox"
+                      checked={createForm.noindex}
+                      onChange={(event) =>
+                        setCreateForm((current) => ({ ...current, noindex: event.target.checked }))
+                      }
+                      className="mt-1 h-4 w-4 rounded border-input text-primary focus:ring-ring"
+                    />
+                    <div>
+                      <div className="font-medium">创建时设置 noindex</div>
+                      <div className="text-sm text-muted-foreground">
+                        适合临时活动页、内测内容或不希望进 sitemap / RSS 的文章。
+                      </div>
+                    </div>
+                  </label>
                  <label className="flex items-start gap-3 rounded-2xl border border-border/70 bg-background/60 p-4">
                    <input
                      type="checkbox"
--- a/admin/src/pages/reviews-page.tsx
+++ b/admin/src/pages/reviews-page.tsx
@@ -18,6 +18,10 @@ import {
  formatReviewType,
  reviewTagsToList,
 } from '@/lib/admin-format'
+import {
+  formatCompressionPreview,
+  normalizeCoverImageWithPrompt,
+} from '@/lib/image-compress'
 import type { CreateReviewPayload, ReviewRecord, UpdateReviewPayload } from '@/lib/types'

 type ReviewFormState = {
@@ -216,7 +220,15 @@ export function ReviewsPage() {
  const uploadReviewCover = useCallback(async (file: File) => {
    try {
      setUploadingCover(true)
-      const result = await adminApi.uploadReviewCoverImage(file)
+      const compressed = await normalizeCoverImageWithPrompt(file, {
+        quality: 0.82,
+        ask: true,
+        contextLabel: '评测封面规范化上传',
+      })
+      if (compressed.preview) {
+        toast.message(formatCompressionPreview(compressed.preview))
+      }
+      const result = await adminApi.uploadReviewCoverImage(compressed.file)
      startTransition(() => {
        setForm((current) => ({ ...current, cover: result.url }))
      })
@@ -506,7 +518,7 @@ export function ReviewsPage() {
                    <input
                      ref={reviewCoverInputRef}
                      type="file"
-                      accept="image/png,image/jpeg,image/webp,image/gif,image/svg+xml"
+                      accept="image/png,image/jpeg,image/webp,image/avif,image/gif,image/svg+xml"
                      className="hidden"
                      onChange={(event) => {
                        const file = event.target.files?.[0]
--- a/admin/src/pages/revisions-page.tsx
+++ b/admin/src/pages/revisions-page.tsx
@@ -0,0 +1,420 @@
+import { ArrowLeftRight, History, RefreshCcw, RotateCcw } from 'lucide-react'
+import { startTransition, useCallback, useEffect, useMemo, useState } from 'react'
+import { toast } from 'sonner'
+
+import { Badge } from '@/components/ui/badge'
+import { Button } from '@/components/ui/button'
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
+import { Input } from '@/components/ui/input'
+import { Select } from '@/components/ui/select'
+import { Skeleton } from '@/components/ui/skeleton'
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from '@/components/ui/table'
+import { Textarea } from '@/components/ui/textarea'
+import { adminApi, ApiError } from '@/lib/api'
+import { countLineDiff } from '@/lib/markdown-diff'
+import { parseMarkdownDocument } from '@/lib/markdown-document'
+import type { PostRevisionDetail, PostRevisionRecord } from '@/lib/types'
+
+type RestoreMode = 'full' | 'markdown' | 'metadata'
+
+const META_LABELS: Record<string, string> = {
+  title: '标题',
+  slug: 'Slug',
+  description: '摘要',
+  category: '分类',
+  postType: '类型',
+  image: '封面',
+  images: '图片集',
+  pinned: '置顶',
+  status: '状态',
+  visibility: '可见性',
+  publishAt: '定时发布',
+  unpublishAt: '下线时间',
+  canonicalUrl: 'Canonical',
+  noindex: 'Noindex',
+  ogImage: 'OG 图',
+  redirectFrom: '旧地址',
+  redirectTo: '重定向',
+  tags: '标签',
+}
+
+function stableValue(value: unknown) {
+  if (Array.isArray(value) || (value && typeof value === 'object')) {
+    return JSON.stringify(value)
+  }
+  return String(value ?? '')
+}
+
+function summarizeMetadataChanges(leftMarkdown: string, rightMarkdown: string) {
+  const left = parseMarkdownDocument(leftMarkdown).meta
+  const right = parseMarkdownDocument(rightMarkdown).meta
+
+  return Object.entries(META_LABELS)
+    .filter(([key]) => stableValue(left[key as keyof typeof left]) !== stableValue(right[key as keyof typeof right]))
+    .map(([, label]) => label)
+}
+
+export function RevisionsPage() {
+  const [revisions, setRevisions] = useState<PostRevisionRecord[]>([])
+  const [selected, setSelected] = useState<PostRevisionDetail | null>(null)
+  const [detailsCache, setDetailsCache] = useState<Record<number, PostRevisionDetail>>({})
+  const [liveMarkdown, setLiveMarkdown] = useState('')
+  const [loading, setLoading] = useState(true)
+  const [refreshing, setRefreshing] = useState(false)
+  const [restoring, setRestoring] = useState<string | null>(null)
+  const [slugFilter, setSlugFilter] = useState('')
+  const [compareTarget, setCompareTarget] = useState('current')
+
+  const loadRevisions = useCallback(async (showToast = false) => {
+    try {
+      if (showToast) {
+        setRefreshing(true)
+      }
+
+      const next = await adminApi.listPostRevisions({
+        slug: slugFilter.trim() || undefined,
+        limit: 120,
+      })
+      startTransition(() => {
+        setRevisions(next)
+      })
+      if (showToast) {
+        toast.success('版本历史已刷新。')
+      }
+    } catch (error) {
+      if (error instanceof ApiError && error.status === 401) {
+        return
+      }
+      toast.error(error instanceof ApiError ? error.message : '无法加载版本历史。')
+    } finally {
+      setLoading(false)
+      setRefreshing(false)
+    }
+  }, [slugFilter])
+
+  useEffect(() => {
+    void loadRevisions(false)
+  }, [loadRevisions])
+
+  const openDetail = useCallback(async (id: number) => {
+    try {
+      const detail = detailsCache[id] ?? (await adminApi.getPostRevision(id))
+      let liveMarkdownValue = ''
+      try {
+        const live = await adminApi.getPostMarkdown(detail.item.post_slug)
+        liveMarkdownValue = live.markdown
+      } catch {
+        liveMarkdownValue = ''
+      }
+      startTransition(() => {
+        setDetailsCache((current) => ({ ...current, [id]: detail }))
+        setSelected(detail)
+        setLiveMarkdown(liveMarkdownValue)
+        setCompareTarget('current')
+      })
+    } catch (error) {
+      toast.error(error instanceof ApiError ? error.message : '无法加载该版本详情。')
+    }
+  }, [detailsCache])
+
+  useEffect(() => {
+    if (!selected) {
+      return
+    }
+
+    if (compareTarget === 'current' || !compareTarget) {
+      return
+    }
+
+    const revisionId = Number(compareTarget)
+    if (!Number.isFinite(revisionId) || detailsCache[revisionId]) {
+      return
+    }
+
+    void adminApi
+      .getPostRevision(revisionId)
+      .then((detail) => {
+        startTransition(() => {
+          setDetailsCache((current) => ({ ...current, [revisionId]: detail }))
+        })
+      })
+      .catch((error) => {
+        toast.error(error instanceof ApiError ? error.message : '无法加载比较版本。')
+      })
+  }, [compareTarget, detailsCache, selected])
+
+  const summary = useMemo(() => {
+    const uniqueSlugs = new Set(revisions.map((item) => item.post_slug))
+    return {
+      count: revisions.length,
+      slugs: uniqueSlugs.size,
+    }
+  }, [revisions])
+
+  const compareCandidates = useMemo(
+    () =>
+      selected
+        ? revisions.filter((item) => item.post_slug === selected.item.post_slug && item.id !== selected.item.id)
+        : [],
+    [revisions, selected],
+  )
+
+  const comparisonMarkdown = useMemo(() => {
+    if (!selected) {
+      return ''
+    }
+
+    if (compareTarget === 'current') {
+      return liveMarkdown
+    }
+
+    const revisionId = Number(compareTarget)
+    return Number.isFinite(revisionId) ? detailsCache[revisionId]?.markdown ?? '' : ''
+  }, [compareTarget, detailsCache, liveMarkdown, selected])
+
+  const comparisonLabel = useMemo(() => {
+    if (compareTarget === 'current') {
+      return '当前线上版本'
+    }
+
+    const revisionId = Number(compareTarget)
+    const detail = Number.isFinite(revisionId) ? detailsCache[revisionId] : undefined
+    return detail ? `版本 #${detail.item.id}` : '比较版本'
+  }, [compareTarget, detailsCache])
+
+  const diffStats = useMemo(() => {
+    if (!selected || !comparisonMarkdown) {
+      return { additions: 0, deletions: 0 }
+    }
+    return countLineDiff(comparisonMarkdown, selected.markdown ?? '')
+  }, [comparisonMarkdown, selected])
+
+  const metadataChanges = useMemo(() => {
+    if (!selected || !comparisonMarkdown) {
+      return [] as string[]
+    }
+    return summarizeMetadataChanges(comparisonMarkdown, selected.markdown ?? '')
+  }, [comparisonMarkdown, selected])
+
+  const runRestore = useCallback(
+    async (mode: RestoreMode) => {
+      if (!selected) {
+        return
+      }
+
+      try {
+        setRestoring(`${selected.item.id}:${mode}`)
+        await adminApi.restorePostRevision(selected.item.id, mode)
+        toast.success(`已按 ${mode} 模式回滚到版本 #${selected.item.id}`)
+        await loadRevisions(false)
+        await openDetail(selected.item.id)
+      } catch (error) {
+        toast.error(error instanceof ApiError ? error.message : '恢复版本失败。')
+      } finally {
+        setRestoring(null)
+      }
+    },
+    [loadRevisions, openDetail, selected],
+  )
+
+  if (loading) {
+    return (
+      <div className="space-y-6">
+        <Skeleton className="h-32 rounded-3xl" />
+        <Skeleton className="h-[580px] rounded-3xl" />
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-col gap-4 xl:flex-row xl:items-end xl:justify-between">
+        <div className="space-y-3">
+          <Badge variant="secondary">版本历史</Badge>
+          <div>
+            <h2 className="text-3xl font-semibold tracking-tight">文章版本快照、Diff 与局部回滚</h2>
+            <p className="mt-2 max-w-3xl text-sm leading-7 text-muted-foreground">
+              每次保存、导入、删除、恢复前后都会留下一份 Markdown 快照。现在支持比较当前线上版本或任意历史版本，并可选择 full / markdown / metadata 三种恢复模式。
+            </p>
+          </div>
+        </div>
+
+        <div className="flex flex-wrap items-center gap-3">
+          <Input
+            value={slugFilter}
+            onChange={(event) => setSlugFilter(event.target.value)}
+            placeholder="按 slug 过滤，例如 hello-world"
+            className="w-[280px]"
+          />
+          <Button variant="secondary" onClick={() => void loadRevisions(true)} disabled={refreshing}>
+            <RefreshCcw className="h-4 w-4" />
+            {refreshing ? '刷新中...' : '刷新'}
+          </Button>
+        </div>
+      </div>
+
+      <div className="grid gap-6 xl:grid-cols-[1.12fr_0.88fr]">
+        <Card>
+          <CardHeader className="flex flex-row items-start justify-between gap-4">
+            <div>
+              <CardTitle>快照列表</CardTitle>
+              <CardDescription>
+                当前共 {summary.count} 条快照，覆盖 {summary.slugs} 篇文章。
+              </CardDescription>
+            </div>
+            <Badge variant="outline">{summary.count}</Badge>
+          </CardHeader>
+          <CardContent>
+            <Table>
+              <TableHeader>
+                <TableRow>
+                  <TableHead>文章</TableHead>
+                  <TableHead>操作</TableHead>
+                  <TableHead>操作者</TableHead>
+                  <TableHead>时间</TableHead>
+                  <TableHead className="text-right">操作</TableHead>
+                </TableRow>
+              </TableHeader>
+              <TableBody>
+                {revisions.map((item) => (
+                  <TableRow key={item.id}>
+                    <TableCell>
+                      <div className="space-y-1">
+                        <div className="font-medium">{item.post_title ?? item.post_slug}</div>
+                        <div className="font-mono text-xs text-muted-foreground">{item.post_slug}</div>
+                      </div>
+                    </TableCell>
+                    <TableCell>
+                      <div className="space-y-1">
+                        <Badge variant="secondary">{item.operation}</Badge>
+                        <div className="text-xs text-muted-foreground">
+                          {item.revision_reason ?? '自动记录'}
+                        </div>
+                      </div>
+                    </TableCell>
+                    <TableCell className="text-sm text-muted-foreground">
+                      {item.actor_username ?? item.actor_email ?? 'system'}
+                    </TableCell>
+                    <TableCell className="text-muted-foreground">{item.created_at}</TableCell>
+                    <TableCell className="text-right">
+                      <Button variant="outline" size="sm" onClick={() => void openDetail(item.id)}>
+                        <History className="h-4 w-4" />
+                        查看 / 对比
+                      </Button>
+                    </TableCell>
+                  </TableRow>
+                ))}
+              </TableBody>
+            </Table>
+          </CardContent>
+        </Card>
+
+        <Card>
+          <CardHeader>
+            <CardTitle>当前选中版本</CardTitle>
+            <CardDescription>支持查看快照、对比当前线上版本或另一历史版本，并按不同模式回滚。</CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            {selected ? (
+              <>
+                <div className="rounded-2xl border border-border/70 bg-background/70 p-4 text-sm">
+                  <div className="flex flex-wrap items-center gap-2">
+                    <Badge variant="secondary">{selected.item.operation}</Badge>
+                    <Badge variant="outline">#{selected.item.id}</Badge>
+                  </div>
+                  <p className="mt-3 font-medium">{selected.item.post_title ?? selected.item.post_slug}</p>
+                  <p className="mt-1 font-mono text-xs text-muted-foreground">
+                    {selected.item.post_slug} · {selected.item.created_at}
+                  </p>
+                </div>
+
+                <div className="space-y-2">
+                  <LabelRow title="比较基线" />
+                  <Select value={compareTarget} onChange={(event) => setCompareTarget(event.target.value)}>
+                    <option value="current">当前线上版本</option>
+                    {compareCandidates.map((item) => (
+                      <option key={item.id} value={String(item.id)}>
+                        #{item.id} · {item.created_at}
+                      </option>
+                    ))}
+                  </Select>
+                </div>
+
+                <div className="grid gap-3 md:grid-cols-2">
+                  <div className="rounded-2xl border border-border/70 bg-background/50 p-4 text-sm">
+                    <div className="flex items-center gap-2 text-foreground">
+                      <ArrowLeftRight className="h-4 w-4" />
+                      <span>Diff 摘要</span>
+                    </div>
+                    <div className="mt-3 flex flex-wrap gap-2">
+                      <Badge variant="success">+{diffStats.additions}</Badge>
+                      <Badge variant="secondary">-{diffStats.deletions}</Badge>
+                      <Badge variant="outline">metadata 变更 {metadataChanges.length}</Badge>
+                    </div>
+                    <div className="mt-3 text-xs leading-6 text-muted-foreground">
+                      基线：{comparisonLabel}
+                      {metadataChanges.length ? ` · 变化字段：${metadataChanges.join('、')}` : ' · Frontmatter 无变化'}
+                    </div>
+                  </div>
+                  <div className="rounded-2xl border border-border/70 bg-background/50 p-4 text-sm">
+                    <div className="font-medium text-foreground">恢复模式</div>
+                    <div className="mt-3 flex flex-wrap gap-2">
+                      {(['full', 'markdown', 'metadata'] as RestoreMode[]).map((mode) => (
+                        <Button
+                          key={mode}
+                          size="sm"
+                          disabled={restoring !== null || !selected.item.has_markdown}
+                          onClick={() => void runRestore(mode)}
+                        >
+                          <RotateCcw className="h-4 w-4" />
+                          {restoring === `${selected.item.id}:${mode}` ? '恢复中...' : mode}
+                        </Button>
+                      ))}
+                    </div>
+                    <div className="mt-3 text-xs leading-6 text-muted-foreground">
+                      full：整篇恢复；markdown：只恢复正文；metadata：只恢复 frontmatter / SEO / 生命周期等元信息。
+                    </div>
+                  </div>
+                </div>
+
+                <div className="grid gap-4 xl:grid-cols-2">
+                  <div className="space-y-2">
+                    <LabelRow title={comparisonLabel} />
+                    <Textarea
+                      value={comparisonMarkdown}
+                      readOnly
+                      className="min-h-[280px] font-mono text-xs leading-6"
+                    />
+                  </div>
+                  <div className="space-y-2">
+                    <LabelRow title={`版本 #${selected.item.id}`} />
+                    <Textarea
+                      value={selected.markdown ?? ''}
+                      readOnly
+                      className="min-h-[280px] font-mono text-xs leading-6"
+                    />
+                  </div>
+                </div>
+              </>
+            ) : (
+              <div className="rounded-2xl border border-dashed border-border/70 bg-background/50 px-4 py-10 text-center text-sm text-muted-foreground">
+                先从左侧选择一个版本，右侧会显示对应快照内容与 Diff 摘要。
+              </div>
+            )}
+          </CardContent>
+        </Card>
+      </div>
+    </div>
+  )
+}
+
+function LabelRow({ title }: { title: string }) {
+  return <div className="text-sm font-medium text-foreground">{title}</div>
+}
--- a/admin/src/pages/site-settings-page.tsx
+++ b/admin/src/pages/site-settings-page.tsx
@@ -83,10 +83,12 @@ function normalizeSettingsResponse(
  input: AdminSiteSettingsResponse,
 ): AdminSiteSettingsResponse {
  const aiProviders = Array.isArray(input.ai_providers) ? input.ai_providers : []
+  const searchSynonyms = Array.isArray(input.search_synonyms) ? input.search_synonyms : []

  return {
    ...input,
    ai_providers: aiProviders,
+    search_synonyms: searchSynonyms,
    ai_active_provider_id:
      input.ai_active_provider_id ?? aiProviders[0]?.id ?? null,
  }
@@ -151,6 +153,12 @@ function toPayload(form: AdminSiteSettingsResponse): SiteSettingsPayload {
    mediaR2PublicBaseUrl: form.media_r2_public_base_url,
    mediaR2AccessKeyId: form.media_r2_access_key_id,
    mediaR2SecretAccessKey: form.media_r2_secret_access_key,
+    seoDefaultOgImage: form.seo_default_og_image,
+    seoDefaultTwitterHandle: form.seo_default_twitter_handle,
+    notificationWebhookUrl: form.notification_webhook_url,
+    notificationCommentEnabled: form.notification_comment_enabled,
+    notificationFriendLinkEnabled: form.notification_friend_link_enabled,
+    searchSynonyms: form.search_synonyms,
  }
 }

@@ -587,6 +595,94 @@ export function SiteSettingsPage() {
          </CardContent>
        </Card>

+          <Card>
+            <CardHeader>
+              <CardTitle>SEO、搜索与通知</CardTitle>
+              <CardDescription>
+                统一维护默认 OG 图、Twitter 标识、Webhook 通知与搜索同义词。
+              </CardDescription>
+            </CardHeader>
+            <CardContent className="grid gap-6 lg:grid-cols-2">
+              <Field label="默认 OG 图 URL" hint="文章未单独设置时作为分享图回退。">
+                <Input
+                  value={form.seo_default_og_image ?? ''}
+                  onChange={(event) => updateField('seo_default_og_image', event.target.value)}
+                />
+              </Field>
+              <Field label="Twitter / X Handle" hint="例如 @initcool。">
+                <Input
+                  value={form.seo_default_twitter_handle ?? ''}
+                  onChange={(event) =>
+                    updateField('seo_default_twitter_handle', event.target.value)
+                  }
+                />
+              </Field>
+              <div className="lg:col-span-2">
+                <Field label="Webhook URL" hint="评论和友链申请会向这个地址推送 JSON。">
+                  <Input
+                    value={form.notification_webhook_url ?? ''}
+                    onChange={(event) =>
+                      updateField('notification_webhook_url', event.target.value)
+                    }
+                  />
+                </Field>
+              </div>
+              <div className="lg:col-span-2 grid gap-4 md:grid-cols-2">
+                <label className="flex items-start gap-3 rounded-2xl border border-border/70 bg-background/60 p-4">
+                  <input
+                    type="checkbox"
+                    checked={form.notification_comment_enabled}
+                    onChange={(event) =>
+                      updateField('notification_comment_enabled', event.target.checked)
+                    }
+                    className="mt-1 h-4 w-4 rounded border-input text-primary focus:ring-ring"
+                  />
+                  <div>
+                    <div className="font-medium">新评论通知</div>
+                    <p className="mt-1 text-sm leading-6 text-muted-foreground">
+                      有新评论创建时，通过 Webhook 推送待审核提醒。
+                    </p>
+                  </div>
+                </label>
+                <label className="flex items-start gap-3 rounded-2xl border border-border/70 bg-background/60 p-4">
+                  <input
+                    type="checkbox"
+                    checked={form.notification_friend_link_enabled}
+                    onChange={(event) =>
+                      updateField('notification_friend_link_enabled', event.target.checked)
+                    }
+                    className="mt-1 h-4 w-4 rounded border-input text-primary focus:ring-ring"
+                  />
+                  <div>
+                    <div className="font-medium">友链申请通知</div>
+                    <p className="mt-1 text-sm leading-6 text-muted-foreground">
+                      有新的友链申请时，同样通过 Webhook 推送。
+                    </p>
+                  </div>
+                </label>
+              </div>
+              <div className="lg:col-span-2">
+                <Field
+                  label="搜索同义词"
+                  hint="每行一组，逗号分隔。例如：ai, llm, gpt 或 rust, cargo, crates。"
+                >
+                  <Textarea
+                    value={form.search_synonyms.join('\n')}
+                    onChange={(event) =>
+                      updateField(
+                        'search_synonyms',
+                        event.target.value
+                          .split('\n')
+                          .map((item) => item.trim())
+                          .filter(Boolean),
+                      )
+                    }
+                  />
+                </Field>
+              </div>
+            </CardContent>
+          </Card>
+
          <Card>
            <CardHeader>
              <CardTitle>互动功能</CardTitle>
--- a/admin/src/pages/subscriptions-page.tsx
+++ b/admin/src/pages/subscriptions-page.tsx
@@ -0,0 +1,499 @@
+import { BellRing, MailPlus, Pencil, RefreshCcw, Save, Send, Trash2, X } from 'lucide-react'
+import { startTransition, useCallback, useEffect, useMemo, useState } from 'react'
+import { toast } from 'sonner'
+
+import { Badge } from '@/components/ui/badge'
+import { Button } from '@/components/ui/button'
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
+import { Input } from '@/components/ui/input'
+import { Label } from '@/components/ui/label'
+import { Select } from '@/components/ui/select'
+import { Skeleton } from '@/components/ui/skeleton'
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from '@/components/ui/table'
+import { Textarea } from '@/components/ui/textarea'
+import { adminApi, ApiError } from '@/lib/api'
+import type { NotificationDeliveryRecord, SubscriptionRecord } from '@/lib/types'
+
+const CHANNEL_OPTIONS = [
+  { value: 'email', label: 'Email' },
+  { value: 'webhook', label: 'Webhook' },
+  { value: 'discord', label: 'Discord Webhook' },
+  { value: 'telegram', label: 'Telegram Bot API' },
+  { value: 'ntfy', label: 'ntfy' },
+] as const
+
+const DEFAULT_FILTERS = {
+  event_types: ['post.published', 'digest.weekly', 'digest.monthly'],
+}
+
+function prettyJson(value: unknown) {
+  if (!value || (typeof value === 'object' && !Array.isArray(value) && Object.keys(value as Record<string, unknown>).length === 0)) {
+    return ''
+  }
+  return JSON.stringify(value, null, 2)
+}
+
+function emptyForm() {
+  return {
+    channelType: 'email',
+    target: '',
+    displayName: '',
+    status: 'active',
+    notes: '',
+    filtersText: prettyJson(DEFAULT_FILTERS),
+    metadataText: '',
+  }
+}
+
+function parseOptionalJson(label: string, raw: string) {
+  const trimmed = raw.trim()
+  if (!trimmed) {
+    return null
+  }
+
+  try {
+    return JSON.parse(trimmed) as Record<string, unknown>
+  } catch {
+    throw new Error(`${label} 不是合法 JSON`)
+  }
+}
+
+function normalizePreview(value: unknown) {
+  const text = prettyJson(value)
+  return text || '—'
+}
+
+export function SubscriptionsPage() {
+  const [subscriptions, setSubscriptions] = useState<SubscriptionRecord[]>([])
+  const [deliveries, setDeliveries] = useState<NotificationDeliveryRecord[]>([])
+  const [loading, setLoading] = useState(true)
+  const [refreshing, setRefreshing] = useState(false)
+  const [submitting, setSubmitting] = useState(false)
+  const [digesting, setDigesting] = useState<'weekly' | 'monthly' | null>(null)
+  const [actioningId, setActioningId] = useState<number | null>(null)
+  const [editingId, setEditingId] = useState<number | null>(null)
+  const [form, setForm] = useState(emptyForm())
+
+  const loadData = useCallback(async (showToast = false) => {
+    try {
+      if (showToast) {
+        setRefreshing(true)
+      }
+      const [nextSubscriptions, nextDeliveries] = await Promise.all([
+        adminApi.listSubscriptions(),
+        adminApi.listSubscriptionDeliveries(),
+      ])
+      startTransition(() => {
+        setSubscriptions(nextSubscriptions)
+        setDeliveries(nextDeliveries)
+      })
+      if (showToast) {
+        toast.success('订阅中心已刷新。')
+      }
+    } catch (error) {
+      if (error instanceof ApiError && error.status === 401) {
+        return
+      }
+      toast.error(error instanceof ApiError ? error.message : '无法加载订阅中心。')
+    } finally {
+      setLoading(false)
+      setRefreshing(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    void loadData(false)
+  }, [loadData])
+
+  const activeCount = useMemo(
+    () => subscriptions.filter((item) => item.status === 'active').length,
+    [subscriptions],
+  )
+
+  const queuedOrRetryCount = useMemo(
+    () => deliveries.filter((item) => item.status === 'queued' || item.status === 'retry_pending').length,
+    [deliveries],
+  )
+
+  const resetForm = useCallback(() => {
+    setEditingId(null)
+    setForm(emptyForm())
+  }, [])
+
+  const submitForm = useCallback(async () => {
+    try {
+      setSubmitting(true)
+      const payload = {
+        channelType: form.channelType,
+        target: form.target,
+        displayName: form.displayName || null,
+        status: form.status,
+        notes: form.notes || null,
+        filters: parseOptionalJson('filters', form.filtersText),
+        metadata: parseOptionalJson('metadata', form.metadataText),
+      }
+
+      if (editingId) {
+        await adminApi.updateSubscription(editingId, payload)
+        toast.success('订阅目标已更新。')
+      } else {
+        await adminApi.createSubscription(payload)
+        toast.success('订阅目标已创建。')
+      }
+
+      resetForm()
+      await loadData(false)
+    } catch (error) {
+      toast.error(error instanceof Error ? error.message : '保存订阅失败。')
+    } finally {
+      setSubmitting(false)
+    }
+  }, [editingId, form, loadData, resetForm])
+
+  if (loading) {
+    return (
+      <div className="space-y-6">
+        <Skeleton className="h-40 rounded-3xl" />
+        <Skeleton className="h-[640px] rounded-3xl" />
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-col gap-4 xl:flex-row xl:items-end xl:justify-between">
+        <div className="space-y-3">
+          <Badge variant="secondary">订阅与推送</Badge>
+          <div>
+            <h2 className="text-3xl font-semibold tracking-tight">订阅中心 / 异步投递 / Digest</h2>
+            <p className="mt-2 max-w-3xl text-sm leading-7 text-muted-foreground">
+              这里统一管理邮件订阅、Webhook / Discord / Telegram / ntfy 推送目标；当前投递走异步队列，并支持 retry pending 状态追踪。
+            </p>
+          </div>
+        </div>
+
+        <div className="flex flex-wrap items-center gap-3">
+          <Button variant="outline" onClick={() => void loadData(true)} disabled={refreshing}>
+            <RefreshCcw className="h-4 w-4" />
+            {refreshing ? '刷新中...' : '刷新'}
+          </Button>
+          <Button
+            variant="secondary"
+            disabled={digesting !== null}
+            onClick={async () => {
+              try {
+                setDigesting('weekly')
+                const result = await adminApi.sendSubscriptionDigest('weekly')
+                toast.success(`周报已入队：queued ${result.queued}，skipped ${result.skipped}`)
+                await loadData(false)
+              } catch (error) {
+                toast.error(error instanceof ApiError ? error.message : '发送周报失败。')
+              } finally {
+                setDigesting(null)
+              }
+            }}
+          >
+            <Send className="h-4 w-4" />
+            {digesting === 'weekly' ? '入队中...' : '发送周报'}
+          </Button>
+          <Button
+            disabled={digesting !== null}
+            onClick={async () => {
+              try {
+                setDigesting('monthly')
+                const result = await adminApi.sendSubscriptionDigest('monthly')
+                toast.success(`月报已入队：queued ${result.queued}，skipped ${result.skipped}`)
+                await loadData(false)
+              } catch (error) {
+                toast.error(error instanceof ApiError ? error.message : '发送月报失败。')
+              } finally {
+                setDigesting(null)
+              }
+            }}
+          >
+            <BellRing className="h-4 w-4" />
+            {digesting === 'monthly' ? '入队中...' : '发送月报'}
+          </Button>
+        </div>
+      </div>
+
+      <div className="grid gap-6 xl:grid-cols-[0.98fr_1.02fr]">
+        <Card>
+          <CardHeader>
+            <CardTitle>{editingId ? `编辑订阅 #${editingId}` : '新增订阅目标'}</CardTitle>
+            <CardDescription>
+              当前共有 {subscriptions.length} 个订阅目标，其中 {activeCount} 个处于启用状态，当前待处理/重试中的投递 {queuedOrRetryCount} 条。
+            </CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            <div className="space-y-2">
+              <Label>频道类型</Label>
+              <Select
+                value={form.channelType}
+                onChange={(event) => setForm((current) => ({ ...current, channelType: event.target.value }))}
+              >
+                {CHANNEL_OPTIONS.map((item) => (
+                  <option key={item.value} value={item.value}>
+                    {item.label}
+                  </option>
+                ))}
+              </Select>
+            </div>
+            <div className="space-y-2">
+              <Label>目标地址</Label>
+              <Input
+                value={form.target}
+                onChange={(event) => setForm((current) => ({ ...current, target: event.target.value }))}
+                placeholder={form.channelType === 'email' ? 'name@example.com' : 'https://...'}
+              />
+            </div>
+            <div className="space-y-2">
+              <Label>显示名称</Label>
+              <Input
+                value={form.displayName}
+                onChange={(event) =>
+                  setForm((current) => ({ ...current, displayName: event.target.value }))
+                }
+                placeholder="例如 站长邮箱 / Discord 运维群"
+              />
+            </div>
+            <div className="grid gap-4 md:grid-cols-2">
+              <div className="space-y-2">
+                <Label>状态</Label>
+                <Select
+                  value={form.status}
+                  onChange={(event) => setForm((current) => ({ ...current, status: event.target.value }))}
+                >
+                  <option value="active">active</option>
+                  <option value="paused">paused</option>
+                  <option value="pending">pending</option>
+                  <option value="unsubscribed">unsubscribed</option>
+                </Select>
+              </div>
+              <div className="space-y-2">
+                <Label>备注</Label>
+                <Input
+                  value={form.notes}
+                  onChange={(event) => setForm((current) => ({ ...current, notes: event.target.value }))}
+                  placeholder="用途、机器人说明、负责人等"
+                />
+              </div>
+            </div>
+            <div className="space-y-2">
+              <Label>filters（JSON）</Label>
+              <Textarea
+                value={form.filtersText}
+                onChange={(event) => setForm((current) => ({ ...current, filtersText: event.target.value }))}
+                placeholder='{"event_types":["post.published","digest.weekly"]}'
+                className="min-h-32 font-mono text-xs"
+              />
+            </div>
+            <div className="space-y-2">
+              <Label>metadata（JSON，可选）</Label>
+              <Textarea
+                value={form.metadataText}
+                onChange={(event) => setForm((current) => ({ ...current, metadataText: event.target.value }))}
+                placeholder='{"owner":"ops","source":"manual"}'
+                className="min-h-28 font-mono text-xs"
+              />
+            </div>
+            <div className="flex flex-wrap gap-3">
+              <Button className="flex-1" disabled={submitting} onClick={() => void submitForm()}>
+                {editingId ? <Save className="h-4 w-4" /> : <MailPlus className="h-4 w-4" />}
+                {submitting ? '保存中...' : editingId ? '保存修改' : '保存订阅目标'}
+              </Button>
+              {editingId ? (
+                <Button variant="outline" disabled={submitting} onClick={resetForm}>
+                  <X className="h-4 w-4" />
+                  取消编辑
+                </Button>
+              ) : null}
+            </div>
+          </CardContent>
+        </Card>
+
+        <Card>
+          <CardHeader className="flex flex-row items-start justify-between gap-4">
+            <div>
+              <CardTitle>当前订阅目标</CardTitle>
+              <CardDescription>支持单条测试、编辑 filters / metadata，以及删除。</CardDescription>
+            </div>
+            <Badge variant="outline">{subscriptions.length} 个</Badge>
+          </CardHeader>
+          <CardContent>
+            <Table>
+              <TableHeader>
+                <TableRow>
+                  <TableHead>频道</TableHead>
+                  <TableHead>目标</TableHead>
+                  <TableHead>状态</TableHead>
+                  <TableHead>偏好</TableHead>
+                  <TableHead className="text-right">操作</TableHead>
+                </TableRow>
+              </TableHeader>
+              <TableBody>
+                {subscriptions.map((item) => (
+                  <TableRow key={item.id}>
+                    <TableCell>
+                      <div className="space-y-1">
+                        <div className="font-medium">{item.display_name ?? item.channel_type}</div>
+                        <div className="text-xs uppercase tracking-[0.16em] text-muted-foreground">
+                          {item.channel_type}
+                        </div>
+                      </div>
+                    </TableCell>
+                    <TableCell className="max-w-[280px] break-words text-sm text-muted-foreground">
+                      <div>{item.target}</div>
+                      <div className="mt-1 text-xs text-muted-foreground/80">
+                        manage_token: {item.manage_token ? '已生成' : '—'} · verified: {item.verified_at ? 'yes' : 'no'}
+                      </div>
+                    </TableCell>
+                    <TableCell>
+                      <div className="space-y-1">
+                        <Badge variant={item.status === 'active' ? 'success' : 'secondary'}>
+                          {item.status}
+                        </Badge>
+                        <div className="text-xs text-muted-foreground">
+                          失败 {item.failure_count ?? 0} 次 · 最近 {item.last_delivery_status ?? '—'}
+                        </div>
+                      </div>
+                    </TableCell>
+                    <TableCell className="max-w-[260px] whitespace-pre-wrap break-words text-xs text-muted-foreground">
+                      {normalizePreview(item.filters)}
+                    </TableCell>
+                    <TableCell className="text-right">
+                      <div className="flex flex-wrap justify-end gap-2">
+                        <Button
+                          variant="outline"
+                          size="sm"
+                          onClick={() => {
+                            setEditingId(item.id)
+                            setForm({
+                              channelType: item.channel_type,
+                              target: item.target,
+                              displayName: item.display_name ?? '',
+                              status: item.status,
+                              notes: item.notes ?? '',
+                              filtersText: prettyJson(item.filters),
+                              metadataText: prettyJson(item.metadata),
+                            })
+                          }}
+                        >
+                          <Pencil className="h-4 w-4" />
+                          编辑
+                        </Button>
+                        <Button
+                          variant="outline"
+                          size="sm"
+                          disabled={actioningId === item.id}
+                          onClick={async () => {
+                            try {
+                              setActioningId(item.id)
+                              await adminApi.testSubscription(item.id)
+                              toast.success('测试通知已入队。')
+                              await loadData(false)
+                            } catch (error) {
+                              toast.error(error instanceof ApiError ? error.message : '测试发送失败。')
+                            } finally {
+                              setActioningId(null)
+                            }
+                          }}
+                        >
+                          <Send className="h-4 w-4" />
+                          测试
+                        </Button>
+                        <Button
+                          variant="ghost"
+                          size="sm"
+                          disabled={actioningId === item.id}
+                          onClick={async () => {
+                            try {
+                              setActioningId(item.id)
+                              await adminApi.deleteSubscription(item.id)
+                              toast.success('订阅目标已删除。')
+                              if (editingId === item.id) {
+                                resetForm()
+                              }
+                              await loadData(false)
+                            } catch (error) {
+                              toast.error(error instanceof ApiError ? error.message : '删除失败。')
+                            } finally {
+                              setActioningId(null)
+                            }
+                          }}
+                        >
+                          <Trash2 className="h-4 w-4" />
+                          删除
+                        </Button>
+                      </div>
+                    </TableCell>
+                  </TableRow>
+                ))}
+              </TableBody>
+            </Table>
+          </CardContent>
+        </Card>
+      </div>
+
+      <Card>
+        <CardHeader className="flex flex-row items-start justify-between gap-4">
+          <div>
+            <CardTitle>最近投递记录</CardTitle>
+            <CardDescription>关注 attempts / next retry / response，确认异步投递与重试状态。</CardDescription>
+          </div>
+          <Badge variant="outline">{deliveries.length} 条</Badge>
+        </CardHeader>
+        <CardContent>
+          <Table>
+            <TableHeader>
+              <TableRow>
+                <TableHead>时间</TableHead>
+                <TableHead>事件</TableHead>
+                <TableHead>频道</TableHead>
+                <TableHead>状态</TableHead>
+                <TableHead>重试</TableHead>
+                <TableHead>响应</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {deliveries.map((item) => (
+                <TableRow key={item.id}>
+                  <TableCell className="text-muted-foreground">{item.delivered_at ?? item.created_at}</TableCell>
+                  <TableCell>
+                    <div className="font-medium">{item.event_type}</div>
+                    <div className="text-xs text-muted-foreground">#{item.subscription_id ?? '—'}</div>
+                  </TableCell>
+                  <TableCell>
+                    <div className="space-y-1 text-sm">
+                      <div>{item.channel_type}</div>
+                      <div className="line-clamp-1 text-xs text-muted-foreground">{item.target}</div>
+                    </div>
+                  </TableCell>
+                  <TableCell>
+                    <Badge variant={item.status === 'sent' ? 'success' : item.status === 'retry_pending' ? 'warning' : 'secondary'}>
+                      {item.status}
+                    </Badge>
+                  </TableCell>
+                  <TableCell className="text-xs text-muted-foreground">
+                    <div>attempts: {item.attempts_count}</div>
+                    <div>next: {item.next_retry_at ?? '—'}</div>
+                  </TableCell>
+                  <TableCell className="max-w-[360px] whitespace-pre-wrap break-words text-sm text-muted-foreground">
+                    {item.response_text ?? '—'}
+                  </TableCell>
+                </TableRow>
+              ))}
+            </TableBody>
+          </Table>
+        </CardContent>
+      </Card>
+    </div>
+  )
+}
--- a/admin/src/vite-env.d.ts
+++ b/admin/src/vite-env.d.ts
@@ -3,6 +3,7 @@
 interface ImportMetaEnv {
  readonly VITE_API_BASE?: string
  readonly VITE_ADMIN_BASENAME?: string
+  readonly VITE_FRONTEND_BASE_URL?: string
 }

 interface ImportMeta {
--- a/admin/tsconfig.app.json
+++ b/admin/tsconfig.app.json
@@ -15,9 +15,8 @@
    "moduleDetection": "force",
    "noEmit": true,
    "jsx": "react-jsx",
-    "baseUrl": ".",
    "paths": {
-      "@/*": ["src/*"]
+      "@/*": ["./src/*"]
    },

    /* Linting */
--- a/backend/.dockerignore
+++ b/backend/.dockerignore
@@ -0,0 +1,8 @@
+target
+.git
+.github
+.gitea
+node_modules
+*.log
+*.out
+*.err
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -1,6 +1,5 @@
 **/config/local.yaml
 **/config/*.local.yaml
-**/config/production.yaml

 # Generated by Cargo
 # will have compiled files and executables
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -2202,76 +2202,6 @@ dependencies = [
 "miniz_oxide",
 ]

-[[package]]
-name = "fluent-bundle"
-version = "0.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01203cb8918f5711e73891b347816d932046f95f54207710bda99beaeb423bf4"
-dependencies = [
- "fluent-langneg",
- "fluent-syntax",
- "intl-memoizer",
- "intl_pluralrules",
- "rustc-hash",
- "self_cell",
- "smallvec",
- "unic-langid",
-]
-
-[[package]]
-name = "fluent-langneg"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7eebbe59450baee8282d71676f3bfed5689aeab00b27545e83e5f14b1195e8b0"
-dependencies = [
- "unic-langid",
-]
-
-[[package]]
-name = "fluent-syntax"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54f0d287c53ffd184d04d8677f590f4ac5379785529e5e08b1c8083acdd5c198"
-dependencies = [
- "memchr",
- "thiserror 2.0.18",
-]
-
-[[package]]
-name = "fluent-template-macros"
-version = "0.13.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "748050b3fb6fd97b566aedff8e9e021389c963e73d5afbeb92752c2b8d686c6c"
-dependencies = [
- "flume",
- "ignore",
- "proc-macro2",
- "quote",
- "syn 2.0.117",
- "unic-langid",
-]
-
-[[package]]
-name = "fluent-templates"
-version = "0.13.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56264446a01f404469aef9cc5fd4a4d736f68a0f52482bf6d1a54d6e9bbd9476"
-dependencies = [
- "fluent-bundle",
- "fluent-langneg",
- "fluent-syntax",
- "fluent-template-macros",
- "flume",
- "heck 0.5.0",
- "ignore",
- "intl-memoizer",
- "log",
- "serde_json",
- "tera",
- "thiserror 2.0.18",
- "unic-langid",
-]
-
 [[package]]
 name = "flume"
 version = "0.11.1"
@@ -3296,25 +3226,6 @@ dependencies = [
 "syn 2.0.117",
 ]

-[[package]]
-name = "intl-memoizer"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "310da2e345f5eb861e7a07ee182262e94975051db9e4223e909ba90f392f163f"
-dependencies = [
- "type-map",
- "unic-langid",
-]
-
-[[package]]
-name = "intl_pluralrules"
-version = "7.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "078ea7b7c29a2b4df841a7f6ac8775ff6074020c6776d48491ce2268e068f972"
-dependencies = [
- "unic-langid",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.12.0"
@@ -4631,12 +4542,6 @@ dependencies = [
 "syn 2.0.117",
 ]

-[[package]]
-name = "proc-macro-hack"
-version = "0.5.20+deprecated"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.106"
@@ -5724,12 +5629,6 @@ dependencies = [
 "smallvec",
 ]

-[[package]]
-name = "self_cell"
-version = "1.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b12e76d157a900eb52e81bc6e9f3069344290341720e9178cde2407113ac8d89"
-
 [[package]]
 name = "semver"
 version = "1.0.27"
@@ -6566,7 +6465,6 @@ dependencies = [
 "base64 0.22.1",
 "chrono",
 "fastembed",
- "fluent-templates",
 "include_dir",
 "insta",
 "loco-rs",
@@ -6583,7 +6481,6 @@ dependencies = [
 "tower-http",
 "tracing",
 "tracing-subscriber",
- "unic-langid",
 "uuid",
 "validator",
 ]
@@ -6689,7 +6586,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42d3e9c45c09de15d06dd8acf5f4e0e399e85927b7f00711024eb7ae10fa4869"
 dependencies = [
 "displaydoc",
- "serde_core",
 "zerovec",
 ]

@@ -7079,15 +6975,6 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"

-[[package]]
-name = "type-map"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb30dbbd9036155e74adad6812e9898d03ec374946234fbcebd5dfc7b9187b90"
-dependencies = [
- "rustc-hash",
-]
-
 [[package]]
 name = "typenum"
 version = "1.19.0"
@@ -7110,49 +6997,6 @@ dependencies = [
 "web-time",
 ]

-[[package]]
-name = "unic-langid"
-version = "0.9.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a28ba52c9b05311f4f6e62d5d9d46f094bd6e84cb8df7b3ef952748d752a7d05"
-dependencies = [
- "unic-langid-impl",
- "unic-langid-macros",
-]
-
-[[package]]
-name = "unic-langid-impl"
-version = "0.9.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dce1bf08044d4b7a94028c93786f8566047edc11110595914de93362559bc658"
-dependencies = [
- "tinystr",
-]
-
-[[package]]
-name = "unic-langid-macros"
-version = "0.9.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5957eb82e346d7add14182a3315a7e298f04e1ba4baac36f7f0dbfedba5fc25"
-dependencies = [
- "proc-macro-hack",
- "tinystr",
- "unic-langid-impl",
- "unic-langid-macros-impl",
-]
-
-[[package]]
-name = "unic-langid-macros-impl"
-version = "0.9.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1249a628de3ad34b821ecb1001355bca3940bcb2f88558f1a8bd82e977f75b5"
-dependencies = [
- "proc-macro-hack",
- "quote",
- "syn 2.0.117",
- "unic-langid-impl",
-]
-
 [[package]]
 name = "unicase"
 version = "2.9.0"
@@ -8183,7 +8027,6 @@ version = "0.11.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c28719294829477f525be0186d13efa9a3c602f7ec202ca9e353d310fb9a002"
 dependencies = [
- "serde",
 "yoke",
 "zerofrom",
 "zerovec-derive",
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -36,10 +36,6 @@ chrono = { version = "0.4" }
 validator = { version = "0.20" }
 uuid = { version = "1.6", features = ["v4"] }
 include_dir = { version = "0.7" }
-# view engine i18n
-fluent-templates = { version = "0.13", features = ["tera"] }
-unic-langid = { version = "0.9" }
-# /view engine
 axum-extra = { version = "0.10", features = ["form"] }
 tower-http = { version = "0.6", features = ["cors"] }
 reqwest = { version = "0.12", default-features = false, features = ["blocking", "json", "multipart", "rustls-tls"] }
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -0,0 +1,32 @@
+# syntax=docker/dockerfile:1.7
+
+FROM rust:1.88-bookworm AS builder
+WORKDIR /app
+
+COPY Cargo.toml Cargo.lock ./
+COPY migration/Cargo.toml migration/Cargo.toml
+COPY src src
+COPY migration/src migration/src
+COPY config config
+COPY assets assets
+
+RUN cargo build --release --locked --bin termi_api-cli
+
+FROM debian:bookworm-slim AS runtime
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends ca-certificates tzdata wget \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY --from=builder /app/target/release/termi_api-cli /usr/local/bin/termi_api-cli
+COPY --from=builder /app/config ./config
+COPY --from=builder /app/assets ./assets
+COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+ENV RUST_LOG=info
+EXPOSE 5150
+HEALTHCHECK --interval=30s --timeout=3s --start-period=15s --retries=5 CMD wget -q -O /dev/null http://127.0.0.1:5150/healthz || exit 1
+
+ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
+CMD ["termi_api-cli", "-e", "production", "start", "--no-banner"]
--- a/backend/README.md
+++ b/backend/README.md
@@ -1,58 +1,37 @@
-# Welcome to Loco :train:
+# backend

-[Loco](https://loco.rs) is a web and API framework running on Rust.
+Loco.rs backend，当前仅保留 API 与后台鉴权相关逻辑，不再提供旧的 Tera HTML 后台页面。

-This is the **SaaS starter** which includes a `User` model and authentication based on JWT.
-It also include configuration sections that help you pick either a frontend or a server-side template set up for your fullstack server.
+## 本地启动

-
-## Quick Start
-
-```sh
+```powershell
 cargo loco start
 ```

-```sh
-$ cargo loco start
-Finished dev [unoptimized + debuginfo] target(s) in 21.63s
-    Running `target/debug/myapp start`
+默认本地监听：

-    :
-    :
-    :
+- `http://localhost:5150`

-controller/app_routes.rs:203: [Middleware] Adding log trace id
+## 当前职责

-                      ▄     ▀
-                                 ▀  ▄
-                  ▄       ▀     ▄  ▄ ▄▀
-                                    ▄ ▀▄▄
-                        ▄     ▀    ▀  ▀▄▀█▄
-                                          ▀█▄
-▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄   ▄▄▄▄▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄▄ ▀▀█
- ██████  █████   ███ █████   ███ █████   ███ ▀█
- ██████  █████   ███ █████   ▀▀▀ █████   ███ ▄█▄
- ██████  █████   ███ █████       █████   ███ ████▄
- ██████  █████   ███ █████   ▄▄▄ █████   ███ █████
- ██████  █████   ███  ████   ███ █████   ███ ████▀
-   ▀▀▀██▄ ▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀ ██▀
-       ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
-                https://loco.rs
+- 文章 / 分类 / 标签 / 评论 / 友链 / 评测 API
+- admin 登录态与后台接口
+- 站点设置与 AI 相关后端能力
+- Markdown frontmatter 与数据库双向同步
+- 内容生命周期：`draft / published / scheduled / offline / expired`
+- 可见性与 SEO：`public / unlisted / private`、`canonical`、`noindex`、`OG`、redirect
+- Webhook 通知：新评论 / 新友链申请
+- 内容消费统计：`page_view / read_progress / read_complete`

-environment: development
-   database: automigrate
-     logger: debug
-compilation: debug
-      modes: server
+## 生产部署

-listening on http://localhost:5150
-```
+生产环境推荐通过环境变量注入：

-## Full Stack Serving
+- `APP_BASE_URL`
+- `DATABASE_URL`
+- `REDIS_URL`
+- `JWT_SECRET`

-You can check your [configuration](config/development.yaml) to pick either frontend setup or server-side rendered template, and activate the relevant configuration sections.
+Docker / compose 相关示例见仓库根目录：

-
-## Getting help
-
-Check out [a quick tour](https://loco.rs/docs/getting-started/tour/) or [the complete guide](https://loco.rs/docs/getting-started/guide/).
+- `deploy/docker/compose.package.yml`
--- a/backend/assets/static/404.html
+++ b/backend/assets/static/404.html
@@ -1,3 +0,0 @@
-<html><body>
-not found :-(
-</body></html>
--- a/backend/assets/static/index.html
+++ b/backend/assets/static/index.html
@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <meta http-equiv="refresh" content="0; url=/admin">
-    <title>Redirecting...</title>
-</head>
-<body>
-    <p>Redirecting to <a href="/admin">Admin Dashboard</a>...</p>
-</body>
-</html>
--- a/backend/assets/views/admin/base.html
+++ b/backend/assets/views/admin/base.html
@@ -1,705 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>{{ page_title | default(value="Termi Admin") }} · Termi Admin</title>
-    <style>
-        :root {
-            --bg: #f4f4f5;
-            --bg-panel: rgba(255, 255, 255, 0.88);
-            --bg-panel-strong: rgba(255, 255, 255, 0.98);
-            --line: rgba(24, 24, 27, 0.09);
-            --line-strong: rgba(24, 24, 27, 0.16);
-            --text: #09090b;
-            --text-soft: #52525b;
-            --text-mute: #71717a;
-            --accent: #18181b;
-            --accent-2: #2563eb;
-            --accent-3: #dc2626;
-            --accent-4: #16a34a;
-            --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
-            --radius-xl: 24px;
-            --radius-lg: 18px;
-            --radius-md: 12px;
-            --font-sans: "Inter", "Segoe UI", "PingFang SC", sans-serif;
-            --font-mono: "JetBrains Mono", "Cascadia Code", monospace;
-        }
-
-        * {
-            box-sizing: border-box;
-        }
-
-        body {
-            margin: 0;
-            min-height: 100vh;
-            font-family: var(--font-sans);
-            color: var(--text);
-            background:
-                radial-gradient(circle at top, rgba(37, 99, 235, 0.08), transparent 30%),
-                linear-gradient(180deg, #fafafa 0%, #f4f4f5 100%);
-        }
-
-        a {
-            color: inherit;
-            text-decoration: none;
-        }
-
-        button,
-        input,
-        textarea,
-        select {
-            font: inherit;
-        }
-
-        .shell {
-            display: grid;
-            grid-template-columns: 290px minmax(0, 1fr);
-            min-height: 100vh;
-            gap: 24px;
-            padding: 24px;
-        }
-
-        .sidebar,
-        .surface,
-        .stat,
-        .table-panel,
-        .hero-card,
-        .form-panel,
-        .login-panel {
-            border: 1px solid var(--line);
-            border-radius: var(--radius-xl);
-            background: var(--bg-panel);
-            box-shadow: var(--shadow);
-            backdrop-filter: blur(16px);
-        }
-
-        .sidebar {
-            padding: 28px 22px;
-            position: sticky;
-            top: 24px;
-            height: calc(100vh - 48px);
-            display: flex;
-            flex-direction: column;
-            gap: 24px;
-        }
-
-        .brand-mark {
-            display: inline-flex;
-            align-items: center;
-            justify-content: center;
-            width: 52px;
-            height: 52px;
-            border-radius: 16px;
-            background: #111827;
-            border: 1px solid #111827;
-            font-family: var(--font-mono);
-            font-weight: 700;
-            color: #fafafa;
-        }
-
-        .brand-title {
-            margin: 14px 0 6px;
-            font-size: 1.35rem;
-        }
-
-        .brand-copy {
-            margin: 0;
-            color: var(--text-soft);
-            line-height: 1.6;
-            font-size: 0.95rem;
-        }
-
-        .nav-group {
-            display: grid;
-            gap: 10px;
-        }
-
-        .nav-item {
-            display: flex;
-            align-items: center;
-            gap: 12px;
-            padding: 14px 16px;
-            border-radius: 18px;
-            color: var(--text-soft);
-            border: 1px solid transparent;
-            transition: 160ms ease;
-        }
-
-        .nav-item:hover,
-        .nav-item.active {
-            background: rgba(255, 255, 255, 0.98);
-            border-color: var(--line);
-            color: var(--text);
-            transform: translateX(2px);
-        }
-
-        .nav-item.active {
-            box-shadow: inset 0 0 0 1px rgba(24, 24, 27, 0.06);
-        }
-
-        .nav-kicker {
-            margin-top: auto;
-            padding: 18px;
-            border-radius: 22px;
-            background: rgba(255, 255, 255, 0.82);
-            border: 1px solid var(--line);
-        }
-
-        .nav-kicker strong {
-            display: block;
-            margin-bottom: 6px;
-            font-size: 0.98rem;
-        }
-
-        .nav-kicker p {
-            margin: 0;
-            color: var(--text-soft);
-            line-height: 1.55;
-            font-size: 0.92rem;
-        }
-
-        .content-shell {
-            display: flex;
-            flex-direction: column;
-            gap: 18px;
-        }
-
-        .surface {
-            padding: 26px 28px;
-        }
-
-        .topbar {
-            display: flex;
-            justify-content: space-between;
-            gap: 20px;
-            align-items: flex-start;
-        }
-
-        .eyebrow {
-            display: inline-flex;
-            align-items: center;
-            gap: 8px;
-            padding: 6px 10px;
-            border-radius: 999px;
-            background: rgba(24, 24, 27, 0.05);
-            color: var(--text-soft);
-            font-size: 0.84rem;
-            letter-spacing: 0.04em;
-            text-transform: uppercase;
-        }
-
-        .page-title {
-            margin: 12px 0 8px;
-            font-size: clamp(1.7rem, 2.2vw, 2.5rem);
-            line-height: 1.1;
-        }
-
-        .page-description {
-            margin: 0;
-            max-width: 760px;
-            color: var(--text-soft);
-            line-height: 1.7;
-        }
-
-        .toolbar {
-            display: flex;
-            flex-wrap: wrap;
-            gap: 10px;
-            justify-content: flex-end;
-        }
-
-        .btn {
-            display: inline-flex;
-            align-items: center;
-            justify-content: center;
-            gap: 8px;
-            min-height: 44px;
-            padding: 0 16px;
-            border-radius: 14px;
-            border: 1px solid transparent;
-            cursor: pointer;
-            transition: 160ms ease;
-            font-weight: 600;
-            text-decoration: none;
-        }
-
-        .btn:hover {
-            transform: translateY(-1px);
-        }
-
-        .btn-primary {
-            background: var(--accent);
-            color: #fafafa;
-            box-shadow: 0 10px 24px rgba(24, 24, 27, 0.16);
-        }
-
-        .btn-ghost {
-            background: rgba(255, 255, 255, 0.98);
-            border-color: var(--line);
-            color: var(--text);
-        }
-
-        .btn-danger {
-            background: rgba(220, 38, 38, 0.08);
-            border-color: rgba(220, 38, 38, 0.14);
-            color: var(--accent-3);
-        }
-
-        .btn-success {
-            background: rgba(22, 163, 74, 0.08);
-            border-color: rgba(22, 163, 74, 0.14);
-            color: var(--accent-4);
-        }
-
-        .btn-warning {
-            background: rgba(245, 158, 11, 0.08);
-            border-color: rgba(245, 158, 11, 0.16);
-            color: #b45309;
-        }
-
-        .content-grid {
-            display: grid;
-            gap: 18px;
-        }
-
-        .stats-grid,
-        .card-grid {
-            display: grid;
-            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
-            gap: 16px;
-        }
-
-        .stat,
-        .hero-card,
-        .table-panel,
-        .form-panel {
-            padding: 22px;
-            border-radius: var(--radius-lg);
-            background: var(--bg-panel-strong);
-        }
-
-        .stat-label,
-        .muted,
-        .table-note,
-        .field-hint,
-        .badge-soft {
-            color: var(--text-mute);
-        }
-
-        .stat-value {
-            margin: 10px 0 6px;
-            font-size: 2rem;
-            font-weight: 700;
-            line-height: 1;
-        }
-
-        .tone-blue .stat-value { color: var(--accent-2); }
-        .tone-gold .stat-value { color: var(--accent); }
-        .tone-green .stat-value { color: var(--accent-4); }
-        .tone-pink .stat-value { color: var(--accent-3); }
-        .tone-violet .stat-value { color: #7a5ef4; }
-
-        .table-panel {
-            overflow: hidden;
-        }
-
-        .table-head {
-            display: flex;
-            justify-content: space-between;
-            gap: 14px;
-            align-items: flex-end;
-            margin-bottom: 14px;
-        }
-
-        .table-head h2,
-        .hero-card h2 {
-            margin: 0 0 6px;
-            font-size: 1.15rem;
-        }
-
-        .table-wrap {
-            overflow: auto;
-            border-radius: 16px;
-            border: 1px solid var(--line);
-            background: rgba(255, 255, 255, 0.98);
-        }
-
-        table {
-            width: 100%;
-            border-collapse: collapse;
-            min-width: 880px;
-        }
-
-        th,
-        td {
-            padding: 16px;
-            text-align: left;
-            vertical-align: top;
-            border-bottom: 1px solid rgba(93, 76, 56, 0.1);
-        }
-
-        th {
-            position: sticky;
-            top: 0;
-            background: rgba(250, 250, 250, 0.98);
-            color: var(--text-soft);
-            font-size: 0.8rem;
-            text-transform: uppercase;
-            letter-spacing: 0.06em;
-        }
-
-        tr:last-child td {
-            border-bottom: 0;
-        }
-
-        .item-title {
-            display: flex;
-            flex-direction: column;
-            gap: 6px;
-            min-width: 0;
-        }
-
-        .item-title strong {
-            font-size: 0.98rem;
-        }
-
-        .item-meta,
-        .mono {
-            color: var(--text-soft);
-            font-family: var(--font-mono);
-            font-size: 0.84rem;
-            word-break: break-all;
-        }
-
-        .badge,
-        .chip {
-            display: inline-flex;
-            align-items: center;
-            justify-content: center;
-            min-height: 28px;
-            padding: 0 10px;
-            border-radius: 999px;
-            font-size: 0.78rem;
-            border: 1px solid transparent;
-            white-space: nowrap;
-        }
-
-        .badge-success {
-            color: var(--accent-4);
-            background: rgba(93, 122, 45, 0.1);
-            border-color: rgba(93, 122, 45, 0.14);
-        }
-
-        .badge-warning {
-            color: var(--accent);
-            background: rgba(202, 94, 45, 0.1);
-            border-color: rgba(202, 94, 45, 0.14);
-        }
-
-        .badge-danger {
-            color: var(--accent-3);
-            background: rgba(156, 61, 84, 0.1);
-            border-color: rgba(156, 61, 84, 0.14);
-        }
-
-        .chip {
-            background: rgba(241, 245, 249, 0.95);
-            color: var(--text-soft);
-            border-color: rgba(148, 163, 184, 0.18);
-        }
-
-        .actions {
-            display: flex;
-            flex-wrap: wrap;
-            gap: 8px;
-        }
-
-        .inline-links {
-            display: flex;
-            flex-wrap: wrap;
-            gap: 8px;
-        }
-
-        .inline-link {
-            color: var(--accent-2);
-            font-size: 0.88rem;
-            font-weight: 600;
-        }
-
-        .inline-link:hover {
-            text-decoration: underline;
-        }
-
-        .empty {
-            padding: 40px 18px;
-            text-align: center;
-            color: var(--text-soft);
-        }
-
-        .form-grid {
-            display: grid;
-            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
-            gap: 16px;
-        }
-
-        .field-wide {
-            grid-column: 1 / -1;
-        }
-
-        .field label {
-            display: block;
-            margin-bottom: 8px;
-            font-size: 0.9rem;
-            color: var(--text-soft);
-            font-weight: 600;
-        }
-
-        .field input,
-        .field textarea,
-        .field select {
-            width: 100%;
-            border: 1px solid var(--line);
-            border-radius: 14px;
-            background: rgba(255, 255, 255, 0.98);
-            color: var(--text);
-            padding: 14px 16px;
-        }
-
-        .field textarea {
-            resize: vertical;
-            min-height: 132px;
-        }
-
-        .inline-form {
-            display: grid;
-            gap: 10px;
-        }
-
-        .inline-form.compact {
-            gap: 8px;
-        }
-
-        .compact-grid {
-            display: grid;
-            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
-            gap: 8px;
-            align-items: end;
-        }
-
-        .compact-grid textarea,
-        .compact-grid input,
-        .compact-grid select {
-            width: 100%;
-            min-height: 40px;
-            border: 1px solid var(--line);
-            border-radius: 12px;
-            background: rgba(255, 255, 255, 0.98);
-            color: var(--text);
-            padding: 10px 12px;
-        }
-
-        .compact-grid textarea {
-            min-height: 84px;
-            resize: vertical;
-        }
-
-        .compact-actions {
-            display: flex;
-            flex-wrap: wrap;
-            gap: 8px;
-        }
-
-        .notice {
-            display: none;
-            margin-top: 14px;
-            padding: 14px 16px;
-            border-radius: 14px;
-            border: 1px solid transparent;
-        }
-
-        .notice.show {
-            display: block;
-        }
-
-        .notice-success {
-            color: var(--accent-4);
-            background: rgba(22, 163, 74, 0.08);
-            border-color: rgba(22, 163, 74, 0.14);
-        }
-
-        .notice-error {
-            color: var(--accent-3);
-            background: rgba(220, 38, 38, 0.08);
-            border-color: rgba(220, 38, 38, 0.14);
-        }
-
-        .login-shell {
-            min-height: 100vh;
-            display: grid;
-            place-items: center;
-            padding: 24px;
-        }
-
-        .login-panel {
-            width: min(520px, 100%);
-            padding: 34px;
-        }
-
-        .login-panel h1 {
-            margin: 18px 0 10px;
-            font-size: 2rem;
-        }
-
-        .login-panel p {
-            margin: 0;
-            color: var(--text-soft);
-            line-height: 1.7;
-        }
-
-        .login-error {
-            display: none;
-            margin-top: 18px;
-            padding: 14px 16px;
-            border-radius: 14px;
-            background: rgba(220, 38, 38, 0.08);
-            border: 1px solid rgba(220, 38, 38, 0.14);
-            color: var(--accent-3);
-        }
-
-        .login-error.show {
-            display: block;
-        }
-
-        @media (max-width: 1100px) {
-            .shell {
-                grid-template-columns: 1fr;
-            }
-
-            .sidebar {
-                position: static;
-                height: auto;
-            }
-        }
-
-        @media (max-width: 760px) {
-            .shell,
-            .surface {
-                padding: 16px;
-            }
-
-            .topbar {
-                flex-direction: column;
-            }
-
-            .toolbar {
-                width: 100%;
-                justify-content: flex-start;
-            }
-
-            table {
-                min-width: 760px;
-            }
-        }
-    </style>
-</head>
-<body>
-    {% block body %}
-    <div class="shell">
-        <aside class="sidebar">
-            <div>
-                <div class="brand-mark">/></div>
-                <h1 class="brand-title">Termi Admin</h1>
-                <p class="brand-copy">后台数据直接联动前台页面。你可以在这里审核评论和友链、检查分类标签，并跳到对应前台页面确认效果。</p>
-            </div>
-
-            <nav class="nav-group">
-                <a href="/admin" class="nav-item {% if active_nav == 'dashboard' %}active{% endif %}">概览面板</a>
-                <a href="/admin/posts" class="nav-item {% if active_nav == 'posts' %}active{% endif %}">文章管理</a>
-                <a href="/admin/comments" class="nav-item {% if active_nav == 'comments' %}active{% endif %}">评论审核</a>
-                <a href="/admin/categories" class="nav-item {% if active_nav == 'categories' %}active{% endif %}">分类管理</a>
-                <a href="/admin/tags" class="nav-item {% if active_nav == 'tags' %}active{% endif %}">标签管理</a>
-                <a href="/admin/reviews" class="nav-item {% if active_nav == 'reviews' %}active{% endif %}">评价管理</a>
-                <a href="/admin/friend_links" class="nav-item {% if active_nav == 'friend_links' %}active{% endif %}">友链申请</a>
-                <a href="/admin/site-settings" class="nav-item {% if active_nav == 'site_settings' %}active{% endif %}">站点设置</a>
-            </nav>
-
-            <div class="nav-kicker">
-                <strong>前台联调入口</strong>
-                <p>所有管理页都带了前台直达链接，处理完数据后可以立刻跳转验证。</p>
-            </div>
-        </aside>
-
-        <div class="content-shell">
-            <header class="surface topbar">
-                <div>
-                    <span class="eyebrow">Unified Admin</span>
-                    <h1 class="page-title">{{ page_title | default(value="Termi Admin") }}</h1>
-                    <p class="page-description">{{ page_description | default(value="统一处理后台数据与前台联调。") }}</p>
-                </div>
-                <div class="toolbar">
-                    {% for item in header_actions | default(value=[]) %}
-                    <a
-                        href="{{ item.href }}"
-                        class="btn btn-{{ item.variant }}"
-                        {% if item.external %}target="_blank" rel="noreferrer noopener"{% endif %}
-                    >
-                        {{ item.label }}
-                    </a>
-                    {% endfor %}
-                    <a href="/admin/logout" class="btn btn-danger">退出后台</a>
-                </div>
-            </header>
-
-            <main class="content-grid">
-                {% block main_content %}{% endblock %}
-            </main>
-        </div>
-    </div>
-    {% endblock %}
-
-    <script>
-        async function adminPatch(url, payload, successMessage) {
-            const response = await fetch(url, {
-                method: "PATCH",
-                headers: {
-                    "Content-Type": "application/json"
-                },
-                body: JSON.stringify(payload)
-            });
-
-            if (!response.ok) {
-                throw new Error(await response.text() || "request failed");
-            }
-
-            if (successMessage) {
-                alert(successMessage);
-            }
-
-            location.reload();
-        }
-
-        async function adminDelete(url, successMessage) {
-            const confirmed = confirm("确认删除这条记录吗？此操作无法撤销。");
-            if (!confirmed) {
-                return;
-            }
-
-            const response = await fetch(url, {
-                method: "DELETE"
-            });
-
-            if (!response.ok) {
-                throw new Error(await response.text() || "request failed");
-            }
-
-            if (successMessage) {
-                alert(successMessage);
-            }
-
-            location.reload();
-        }
-    </script>
-    {% block page_scripts %}{% endblock %}
-</body>
-</html>
--- a/backend/assets/views/admin/categories.html
+++ b/backend/assets/views/admin/categories.html
@@ -1,85 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>新增分类</h2>
-            <div class="table-note">这里维护分类字典。文章 Markdown 导入时会优先复用这里的分类，不存在才自动创建。</div>
-        </div>
-    </div>
-
-    <form method="post" action="/admin/categories" class="inline-form">
-        <div class="compact-grid">
-            <input type="text" name="name" placeholder="分类名，例如 Technology" value="{{ create_form.name }}" required>
-            <input type="text" name="slug" placeholder="slug，可留空自动生成" value="{{ create_form.slug }}">
-        </div>
-        <div class="compact-actions">
-            <button type="submit" class="btn btn-primary">创建分类</button>
-        </div>
-    </form>
-</section>
-
-<section class="table-panel">
-    <div class="table-head">
-        <div>
-            <h2>分类列表</h2>
-            <div class="table-note">分类名称会作为文章展示名称使用，文章数来自当前已同步的真实内容。</div>
-        </div>
-    </div>
-
-    {% if rows | length > 0 %}
-    <div class="table-wrap">
-        <table>
-            <thead>
-                <tr>
-                    <th>ID</th>
-                    <th>分类</th>
-                    <th>文章数</th>
-                    <th>最近文章</th>
-                    <th>操作</th>
-                </tr>
-            </thead>
-            <tbody>
-                {% for row in rows %}
-                <tr>
-                    <td class="mono">#{{ row.id }}</td>
-                    <td>
-                        <form method="post" action="/admin/categories/{{ row.id }}/update" class="inline-form compact">
-                            <div class="compact-grid">
-                                <input type="text" name="name" value="{{ row.name }}" required>
-                                <input type="text" name="slug" value="{{ row.slug }}" required>
-                            </div>
-                            <div class="compact-actions">
-                                <button type="submit" class="btn btn-success">保存</button>
-                                <a href="{{ row.api_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">API</a>
-                            </div>
-                        </form>
-                    </td>
-                    <td><span class="chip">{{ row.count }} 篇</span></td>
-                    <td>
-                        {% if row.latest_frontend_url %}
-                        <a href="{{ row.latest_frontend_url }}" class="inline-link" target="_blank" rel="noreferrer noopener">{{ row.latest_title }}</a>
-                        {% else %}
-                        <span class="badge-soft">{{ row.latest_title }}</span>
-                        {% endif %}
-                    </td>
-                    <td>
-                        <div class="actions">
-                            <a href="{{ row.frontend_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">前台分类页</a>
-                            <a href="{{ row.articles_url }}" class="btn btn-primary" target="_blank" rel="noreferrer noopener">前台筛选</a>
-                            <form method="post" action="/admin/categories/{{ row.id }}/delete">
-                                <button type="submit" class="btn btn-danger">删除</button>
-                            </form>
-                        </div>
-                    </td>
-                </tr>
-                {% endfor %}
-            </tbody>
-        </table>
-    </div>
-    {% else %}
-    <div class="empty">暂无分类数据。</div>
-    {% endif %}
-</section>
-{% endblock %}
--- a/backend/assets/views/admin/comments.html
+++ b/backend/assets/views/admin/comments.html
@@ -1,147 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>评论筛选</h2>
-            <div class="table-note">按 scope、审核状态、文章 slug 或关键词快速定位评论，尤其适合处理段落评论和垃圾留言。</div>
-        </div>
-    </div>
-
-    <form method="get" action="/admin/comments" class="inline-form compact">
-        <div class="compact-grid">
-            <div class="field">
-                <label for="scope">评论类型</label>
-                <select id="scope" name="scope">
-                    <option value="" {% if filters.scope == "" %}selected{% endif %}>全部</option>
-                    <option value="article" {% if filters.scope == "article" %}selected{% endif %}>全文评论</option>
-                    <option value="paragraph" {% if filters.scope == "paragraph" %}selected{% endif %}>段落评论</option>
-                </select>
-            </div>
-
-            <div class="field">
-                <label for="approved">审核状态</label>
-                <select id="approved" name="approved">
-                    <option value="" {% if filters.approved == "" %}selected{% endif %}>全部</option>
-                    <option value="true" {% if filters.approved == "true" %}selected{% endif %}>已审核</option>
-                    <option value="false" {% if filters.approved == "false" %}selected{% endif %}>待审核</option>
-                </select>
-            </div>
-
-            <div class="field">
-                <label for="post_slug">文章</label>
-                <select id="post_slug" name="post_slug">
-                    <option value="" {% if filters.post_slug == "" %}selected{% endif %}>全部文章</option>
-                    {% for slug in post_options %}
-                    <option value="{{ slug }}" {% if filters.post_slug == slug %}selected{% endif %}>{{ slug }}</option>
-                    {% endfor %}
-                </select>
-            </div>
-
-            <div class="field">
-                <label for="q">关键词</label>
-                <input
-                    id="q"
-                    type="text"
-                    name="q"
-                    value="{{ filters.q }}"
-                    placeholder="作者 / 内容 / 段落 key"
-                />
-            </div>
-        </div>
-
-        <div class="compact-actions">
-            <button type="submit" class="btn btn-primary">应用筛选</button>
-            <a href="/admin/comments" class="btn btn-ghost">清空</a>
-        </div>
-    </form>
-
-    <div class="inline-links" style="margin-top: 14px;">
-        {% for stat in stats %}
-        <span class="chip">{{ stat.label }} · {{ stat.value }}</span>
-        {% endfor %}
-    </div>
-</section>
-
-<section class="table-panel">
-    <div class="table-head">
-        <div>
-            <h2>评论队列</h2>
-            <div class="table-note">处理前台真实评论，并能一键跳到对应文章或段落核对上下文。</div>
-        </div>
-    </div>
-
-    {% if rows | length > 0 %}
-    <div class="table-wrap">
-        <table>
-            <thead>
-                <tr>
-                    <th>ID</th>
-                    <th>作者 / 文章</th>
-                    <th>内容与上下文</th>
-                    <th>状态</th>
-                    <th>时间</th>
-                    <th>操作</th>
-                </tr>
-            </thead>
-            <tbody>
-                {% for row in rows %}
-                <tr>
-                    <td class="mono">#{{ row.id }}</td>
-                    <td>
-                        <div class="item-title">
-                            <strong>{{ row.author }}</strong>
-                            <span class="item-meta">{{ row.post_slug }}</span>
-                            {% if row.scope == "paragraph" %}
-                            <span class="badge badge-warning">{{ row.scope_label }}</span>
-                            {% else %}
-                            <span class="badge">{{ row.scope_label }}</span>
-                            {% endif %}
-                            {% if row.frontend_url %}
-                            <a href="{{ row.frontend_url }}" class="inline-link" target="_blank" rel="noreferrer noopener">
-                                {% if row.scope == "paragraph" %}跳到前台段落{% else %}跳到前台文章{% endif %}
-                            </a>
-                            {% endif %}
-                        </div>
-                    </td>
-                    <td>
-                        <div class="item-title">
-                            <strong>{{ row.content }}</strong>
-                            {% if row.reply_target != "-" %}
-                            <span class="item-meta">回复目标：{{ row.reply_target }}</span>
-                            {% endif %}
-                            {% if row.scope == "paragraph" and row.paragraph_excerpt != "-" %}
-                            <span class="item-meta">段落上下文：{{ row.paragraph_excerpt }}</span>
-                            {% endif %}
-                            {% if row.scope == "paragraph" and row.paragraph_key != "-" %}
-                            <span class="item-meta">段落 key：{{ row.paragraph_key }}</span>
-                            {% endif %}
-                        </div>
-                    </td>
-                    <td>
-                        {% if row.approved %}
-                        <span class="badge badge-success">已审核</span>
-                        {% else %}
-                        <span class="badge badge-warning">待审核</span>
-                        {% endif %}
-                    </td>
-                    <td class="mono">{{ row.created_at }}</td>
-                    <td>
-                        <div class="actions">
-                            <button class="btn btn-success" onclick='adminPatch("{{ row.api_url }}", {"approved": true}, "评论状态已更新")'>通过</button>
-                            <button class="btn btn-warning" onclick='adminPatch("{{ row.api_url }}", {"approved": false}, "评论状态已更新")'>待审</button>
-                            <button class="btn btn-danger" onclick='adminDelete("{{ row.api_url }}", "评论已删除")'>删除</button>
-                            <a href="{{ row.api_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">API</a>
-                        </div>
-                    </td>
-                </tr>
-                {% endfor %}
-            </tbody>
-        </table>
-    </div>
-    {% else %}
-    <div class="empty">当前筛选条件下暂无评论数据。</div>
-    {% endif %}
-</section>
-{% endblock %}
--- a/backend/assets/views/admin/friend_links.html
+++ b/backend/assets/views/admin/friend_links.html
@@ -1,64 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="table-panel">
-    <div class="table-head">
-        <div>
-            <h2>友链审核</h2>
-            <div class="table-note">前台提交后会进入这里，你可以审核状态，再跳去前台友链页确认展示。</div>
-        </div>
-    </div>
-
-    {% if rows | length > 0 %}
-    <div class="table-wrap">
-        <table>
-            <thead>
-                <tr>
-                    <th>ID</th>
-                    <th>站点</th>
-                    <th>分类</th>
-                    <th>状态</th>
-                    <th>时间</th>
-                    <th>操作</th>
-                </tr>
-            </thead>
-            <tbody>
-                {% for row in rows %}
-                <tr>
-                    <td class="mono">#{{ row.id }}</td>
-                    <td>
-                        <div class="item-title">
-                            <strong>{{ row.site_name }}</strong>
-                            <a href="{{ row.site_url }}" class="inline-link" target="_blank" rel="noreferrer noopener">{{ row.site_url }}</a>
-                            <span class="item-meta">{{ row.description }}</span>
-                        </div>
-                    </td>
-                    <td>{{ row.category_name }}</td>
-                    <td>
-                        {% if row.status == "已通过" %}
-                        <span class="badge badge-success">{{ row.status }}</span>
-                        {% elif row.status == "已拒绝" %}
-                        <span class="badge badge-danger">{{ row.status }}</span>
-                        {% else %}
-                        <span class="badge badge-warning">{{ row.status }}</span>
-                        {% endif %}
-                    </td>
-                    <td class="mono">{{ row.created_at }}</td>
-                    <td>
-                        <div class="actions">
-                            <button class="btn btn-success" onclick='adminPatch("{{ row.api_url }}", {"status": "approved"}, "友链状态已更新")'>通过</button>
-                            <button class="btn btn-warning" onclick='adminPatch("{{ row.api_url }}", {"status": "pending"}, "友链状态已更新")'>待审</button>
-                            <button class="btn btn-danger" onclick='adminPatch("{{ row.api_url }}", {"status": "rejected"}, "友链状态已更新")'>拒绝</button>
-                            <a href="{{ row.frontend_page_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">前台友链页</a>
-                        </div>
-                    </td>
-                </tr>
-                {% endfor %}
-            </tbody>
-        </table>
-    </div>
-    {% else %}
-    <div class="empty">暂无友链申请数据。</div>
-    {% endif %}
-</section>
-{% endblock %}
--- a/backend/assets/views/admin/index.html
+++ b/backend/assets/views/admin/index.html
@@ -1,29 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="stats-grid">
-    {% for stat in stats %}
-    <article class="stat tone-{{ stat.tone }}">
-        <div class="stat-label">{{ stat.label }}</div>
-        <div class="stat-value">{{ stat.value }}</div>
-        <div class="muted">{{ stat.note }}</div>
-    </article>
-    {% endfor %}
-</section>
-
-<section class="hero-card">
-    <h2>{{ site_profile.site_name }}</h2>
-    <p class="page-description" style="margin-bottom: 10px;">{{ site_profile.site_description }}</p>
-    <a href="{{ site_profile.site_url }}" class="inline-link" target="_blank" rel="noreferrer noopener">{{ site_profile.site_url }}</a>
-</section>
-
-<section class="card-grid">
-    {% for card in nav_cards %}
-    <a href="{{ card.href }}" class="hero-card">
-        <h2>{{ card.title }}</h2>
-        <p class="page-description" style="margin-bottom: 10px;">{{ card.description }}</p>
-        <span class="chip">{{ card.meta }}</span>
-    </a>
-    {% endfor %}
-</section>
-{% endblock %}
--- a/backend/assets/views/admin/login.html
+++ b/backend/assets/views/admin/login.html
@@ -1,35 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block body %}
-<div class="login-shell">
-    <section class="login-panel">
-        <span class="eyebrow">Termi Admin</span>
-        <div class="brand-mark" style="margin-top: 18px;">/></div>
-        <h1>后台管理入口</h1>
-        <p>评论审核、友链申请、分类标签检查和站点设置都在这里统一处理。当前后台界面已经走 Tera 模板，不再在 Rust 里硬拼整页 HTML。</p>
-
-        <div class="login-error {% if show_error %}show{% endif %}">
-            用户名或密码错误，请重试。
-        </div>
-
-        <form method="POST" action="/admin/login" class="form-grid" style="margin-top: 22px;">
-            <div class="field field-wide">
-                <label>用户名</label>
-                <input name="username" placeholder="admin" required>
-            </div>
-            <div class="field field-wide">
-                <label>密码</label>
-                <input type="password" name="password" placeholder="admin123" required>
-            </div>
-            <div class="field field-wide">
-                <button type="submit" class="btn btn-primary" style="width: 100%;">进入后台</button>
-            </div>
-        </form>
-
-        <div class="hero-card" style="margin-top: 18px;">
-            <h2>默认测试账号</h2>
-            <p class="mono">admin / admin123</p>
-        </div>
-    </section>
-</div>
-{% endblock %}
--- a/backend/assets/views/admin/post_editor.html
+++ b/backend/assets/views/admin/post_editor.html
@@ -1,70 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>{{ editor.title }}</h2>
-            <div class="table-note">当前源文件：<span class="mono">{{ editor.file_path }}</span></div>
-        </div>
-    </div>
-
-    <form id="markdown-editor-form" class="form-grid">
-        <div class="field field-wide">
-            <label>Slug</label>
-            <input value="{{ editor.slug }}" readonly>
-        </div>
-        <div class="field field-wide">
-            <label>Markdown 文件内容</label>
-            <textarea id="markdown-content" name="markdown" style="min-height: 65vh; font-family: var(--font-mono); line-height: 1.65;">{{ editor.markdown }}</textarea>
-        </div>
-        <div class="field field-wide">
-            <div class="actions">
-                <button type="submit" class="btn btn-primary">保存 Markdown</button>
-            </div>
-            <div class="field-hint" style="margin-top: 10px;">这里保存的是服务器上的原始 Markdown 文件。你也可以直接在服务器用编辑器打开这个路径修改。</div>
-            <div id="notice" class="notice"></div>
-        </div>
-    </form>
-</section>
-{% endblock %}
-
-{% block page_scripts %}
-<script>
-    const markdownForm = document.getElementById("markdown-editor-form");
-    const markdownField = document.getElementById("markdown-content");
-    const markdownNotice = document.getElementById("notice");
-    const markdownSlug = "{{ editor.slug }}";
-
-    function showMarkdownNotice(message, kind) {
-        markdownNotice.textContent = message;
-        markdownNotice.className = "notice show " + (kind === "success" ? "notice-success" : "notice-error");
-    }
-
-    markdownForm?.addEventListener("submit", async (event) => {
-        event.preventDefault();
-
-        try {
-            const response = await fetch(`/api/posts/slug/${markdownSlug}/markdown`, {
-                method: "PUT",
-                headers: {
-                    "Content-Type": "application/json"
-                },
-                body: JSON.stringify({
-                    markdown: markdownField.value
-                })
-            });
-
-            if (!response.ok) {
-                throw new Error(await response.text() || "save failed");
-            }
-
-            const payload = await response.json();
-            markdownField.value = payload.markdown;
-            showMarkdownNotice("Markdown 文件已保存并同步到数据库。", "success");
-        } catch (error) {
-            showMarkdownNotice("保存失败：" + (error?.message || "unknown error"), "error");
-        }
-    });
-</script>
-{% endblock %}
--- a/backend/assets/views/admin/posts.html
+++ b/backend/assets/views/admin/posts.html
@@ -1,199 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>新建 Markdown 文章</h2>
-            <div class="table-note">直接生成 `content/posts/*.md` 文件，后端会自动解析 frontmatter、同步分类和标签。</div>
-        </div>
-    </div>
-
-    <form method="post" action="/admin/posts" class="form-grid">
-        <div class="field">
-            <label>标题</label>
-            <input type="text" name="title" value="{{ create_form.title }}" required>
-        </div>
-        <div class="field">
-            <label>Slug</label>
-            <input type="text" name="slug" value="{{ create_form.slug }}" placeholder="可留空自动生成">
-        </div>
-        <div class="field">
-            <label>分类</label>
-            <input type="text" name="category" value="{{ create_form.category }}" placeholder="例如 tech">
-        </div>
-        <div class="field">
-            <label>标签</label>
-            <input type="text" name="tags" value="{{ create_form.tags }}" placeholder="逗号分隔">
-        </div>
-        <div class="field">
-            <label>文章类型</label>
-            <input type="text" name="post_type" value="{{ create_form.post_type }}">
-        </div>
-        <div class="field">
-            <label>封面图</label>
-            <input type="text" name="image" value="{{ create_form.image }}" placeholder="可选">
-        </div>
-        <div class="field field-wide">
-            <label>摘要</label>
-            <textarea name="description">{{ create_form.description }}</textarea>
-        </div>
-        <div class="field field-wide">
-            <label>正文 Markdown</label>
-            <textarea name="content" style="min-height: 22rem; font-family: var(--font-mono); line-height: 1.65;">{{ create_form.content }}</textarea>
-        </div>
-        <div class="field field-wide">
-            <div class="actions">
-                <label class="chip"><input type="checkbox" name="published" checked style="margin-right: 8px;">发布</label>
-                <label class="chip"><input type="checkbox" name="pinned" style="margin-right: 8px;">置顶</label>
-                <button type="submit" class="btn btn-primary">创建文章</button>
-            </div>
-        </div>
-    </form>
-</section>
-
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>导入 Markdown 文件</h2>
-            <div class="table-note">支持选择单个 `.md/.markdown` 文件，也支持直接选择一个本地 Markdown 文件夹批量导入。</div>
-        </div>
-    </div>
-
-    <form id="markdown-import-form" class="form-grid">
-        <div class="field">
-            <label>选择文件</label>
-            <input id="markdown-files" type="file" accept=".md,.markdown" multiple>
-        </div>
-        <div class="field">
-            <label>选择文件夹</label>
-            <input id="markdown-folder" type="file" accept=".md,.markdown" webkitdirectory directory multiple>
-        </div>
-        <div class="field field-wide">
-            <div class="actions">
-                <button id="import-submit" type="submit" class="btn btn-success">导入 Markdown</button>
-            </div>
-            <div class="field-hint" style="margin-top: 10px;">导入时会从 frontmatter 和正文里提取标题、slug、摘要、分类、标签与内容，并写入服务器 `content/posts`。</div>
-            <div id="import-notice" class="notice"></div>
-        </div>
-    </form>
-</section>
-
-<section class="table-panel">
-    <div class="table-head">
-        <div>
-            <h2>内容列表</h2>
-            <div class="table-note">直接跳到前台文章、分类筛选和 API 明细。</div>
-        </div>
-    </div>
-
-    {% if rows | length > 0 %}
-    <div class="table-wrap">
-        <table>
-            <thead>
-                <tr>
-                    <th>ID</th>
-                    <th>文章</th>
-                    <th>分类</th>
-                    <th>标签</th>
-                    <th>时间</th>
-                    <th>跳转</th>
-                </tr>
-            </thead>
-            <tbody>
-                {% for row in rows %}
-                <tr>
-                    <td class="mono">#{{ row.id }}</td>
-                    <td>
-                        <div class="item-title">
-                            <strong>{{ row.title }}</strong>
-                            <span class="item-meta">{{ row.slug }}</span>
-                            <span class="item-meta">{{ row.file_path }}</span>
-                        </div>
-                    </td>
-                    <td>
-                        <div class="item-title">
-                            <strong>{{ row.category_name }}</strong>
-                            <a href="{{ row.category_frontend_url }}" class="inline-link" target="_blank" rel="noreferrer noopener">查看该分类文章</a>
-                        </div>
-                    </td>
-                    <td>
-                        <div class="inline-links">
-                            {% if row.tags | length > 0 %}
-                                {% for tag in row.tags %}
-                                <span class="chip">#{{ tag }}</span>
-                                {% endfor %}
-                            {% else %}
-                            <span class="badge-soft">暂无标签</span>
-                            {% endif %}
-                        </div>
-                    </td>
-                    <td class="mono">{{ row.created_at }}</td>
-                    <td>
-                        <div class="actions">
-                            <a href="{{ row.edit_url }}" class="btn btn-success">编辑 Markdown</a>
-                            <a href="{{ row.frontend_url }}" class="btn btn-primary" target="_blank" rel="noreferrer noopener">前台详情</a>
-                            <a href="{{ row.api_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">API</a>
-                        </div>
-                    </td>
-                </tr>
-                {% endfor %}
-            </tbody>
-        </table>
-    </div>
-    {% else %}
-    <div class="empty">当前没有可管理的文章数据。</div>
-    {% endif %}
-</section>
-{% endblock %}
-
-{% block page_scripts %}
-<script>
-    const importForm = document.getElementById("markdown-import-form");
-    const importFiles = document.getElementById("markdown-files");
-    const importFolder = document.getElementById("markdown-folder");
-    const importNotice = document.getElementById("import-notice");
-
-    function showImportNotice(message, kind) {
-        importNotice.textContent = message;
-        importNotice.className = "notice show " + (kind === "success" ? "notice-success" : "notice-error");
-    }
-
-    importForm?.addEventListener("submit", async (event) => {
-        event.preventDefault();
-
-        const selectedFiles = [
-            ...(importFiles?.files ? Array.from(importFiles.files) : []),
-            ...(importFolder?.files ? Array.from(importFolder.files) : []),
-        ].filter((file) => file.name.endsWith(".md") || file.name.endsWith(".markdown"));
-
-        if (!selectedFiles.length) {
-            showImportNotice("请先选择要导入的 Markdown 文件或文件夹。", "error");
-            return;
-        }
-
-        const payload = new FormData();
-        selectedFiles.forEach((file) => {
-            const uploadName = file.webkitRelativePath || file.name;
-            payload.append("files", file, uploadName);
-        });
-
-        try {
-            const response = await fetch("/admin/posts/import", {
-                method: "POST",
-                body: payload,
-            });
-
-            if (!response.ok) {
-                throw new Error(await response.text() || "import failed");
-            }
-
-            const result = await response.json();
-            showImportNotice(`已导入 ${result.count} 个 Markdown 文件，正在刷新列表。`, "success");
-            setTimeout(() => window.location.reload(), 900);
-        } catch (error) {
-            showImportNotice("导入失败：" + (error?.message || "unknown error"), "error");
-        }
-    });
-</script>
-{% endblock %}
--- a/backend/assets/views/admin/reviews.html
+++ b/backend/assets/views/admin/reviews.html
@@ -1,113 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>新增评价</h2>
-            <div class="table-note">这里创建的评价会立刻出现在前台 `/reviews` 页面。</div>
-        </div>
-    </div>
-
-    <form method="post" action="/admin/reviews" class="inline-form">
-        <div class="compact-grid">
-            <input type="text" name="title" placeholder="标题" value="{{ create_form.title }}" required>
-            <select name="review_type">
-                <option value="game" {% if create_form.review_type == "game" %}selected{% endif %}>游戏</option>
-                <option value="anime" {% if create_form.review_type == "anime" %}selected{% endif %}>动画</option>
-                <option value="music" {% if create_form.review_type == "music" %}selected{% endif %}>音乐</option>
-                <option value="book" {% if create_form.review_type == "book" %}selected{% endif %}>书籍</option>
-                <option value="movie" {% if create_form.review_type == "movie" %}selected{% endif %}>影视</option>
-            </select>
-            <input type="number" name="rating" min="0" max="5" value="{{ create_form.rating }}" required>
-            <input type="date" name="review_date" value="{{ create_form.review_date }}">
-            <select name="status">
-                <option value="completed" {% if create_form.status == "completed" %}selected{% endif %}>已完成</option>
-                <option value="in-progress" {% if create_form.status == "in-progress" %}selected{% endif %}>进行中</option>
-                <option value="dropped" {% if create_form.status == "dropped" %}selected{% endif %}>已弃坑</option>
-            </select>
-            <input type="text" name="cover" value="{{ create_form.cover }}" placeholder="封面图标或 emoji">
-            <input type="url" name="link_url" value="{{ create_form.link_url }}" placeholder="跳转链接，可选">
-            <input type="text" name="tags" value="{{ create_form.tags }}" placeholder="标签，逗号分隔">
-            <textarea name="description" placeholder="评价描述">{{ create_form.description }}</textarea>
-        </div>
-        <div class="compact-actions">
-            <button type="submit" class="btn btn-primary">创建评价</button>
-        </div>
-    </form>
-</section>
-
-<section class="table-panel">
-    <div class="table-head">
-        <div>
-            <h2>评价列表</h2>
-            <div class="table-note">这里的每一行都可以直接编辑，保存后前台评价页会读取最新数据。</div>
-        </div>
-    </div>
-
-    {% if rows | length > 0 %}
-    <div class="table-wrap">
-        <table>
-            <thead>
-                <tr>
-                    <th>ID</th>
-                    <th>评价内容</th>
-                    <th>状态</th>
-                    <th>操作</th>
-                </tr>
-            </thead>
-            <tbody>
-                {% for row in rows %}
-                <tr>
-                    <td class="mono">#{{ row.id }}</td>
-                    <td>
-                        <form method="post" action="/admin/reviews/{{ row.id }}/update" class="inline-form compact">
-                            <div class="compact-grid">
-                                <input type="text" name="title" value="{{ row.title }}" required>
-                                <select name="review_type">
-                                    <option value="game" {% if row.review_type == "game" %}selected{% endif %}>游戏</option>
-                                    <option value="anime" {% if row.review_type == "anime" %}selected{% endif %}>动画</option>
-                                    <option value="music" {% if row.review_type == "music" %}selected{% endif %}>音乐</option>
-                                    <option value="book" {% if row.review_type == "book" %}selected{% endif %}>书籍</option>
-                                    <option value="movie" {% if row.review_type == "movie" %}selected{% endif %}>影视</option>
-                                </select>
-                                <input type="number" name="rating" min="0" max="5" value="{{ row.rating }}" required>
-                                <input type="date" name="review_date" value="{{ row.review_date }}">
-                                <select name="status">
-                                    <option value="completed" {% if row.status == "completed" %}selected{% endif %}>已完成</option>
-                                    <option value="in-progress" {% if row.status == "in-progress" %}selected{% endif %}>进行中</option>
-                                    <option value="dropped" {% if row.status == "dropped" %}selected{% endif %}>已弃坑</option>
-                                </select>
-                                <input type="text" name="cover" value="{{ row.cover }}" placeholder="封面图标或 emoji">
-                                <input type="url" name="link_url" value="{{ row.link_url }}" placeholder="跳转链接，可选">
-                                <input type="text" name="tags" value="{{ row.tags_input }}" placeholder="标签，逗号分隔">
-                                <textarea name="description" placeholder="评价描述">{{ row.description }}</textarea>
-                            </div>
-                            <div class="compact-actions">
-                                <button type="submit" class="btn btn-success">保存</button>
-                                {% if row.link_url %}
-                                <a href="{{ row.link_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">跳转</a>
-                                {% endif %}
-                                <a href="{{ row.api_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">API</a>
-                            </div>
-                        </form>
-                    </td>
-                    <td><span class="chip">{{ row.status }}</span></td>
-                    <td>
-                        <div class="actions">
-                            <a href="http://localhost:4321/reviews" class="btn btn-primary" target="_blank" rel="noreferrer noopener">前台查看</a>
-                            <form method="post" action="/admin/reviews/{{ row.id }}/delete">
-                                <button type="submit" class="btn btn-danger">删除</button>
-                            </form>
-                        </div>
-                    </td>
-                </tr>
-                {% endfor %}
-            </tbody>
-        </table>
-    </div>
-    {% else %}
-    <div class="empty">暂无评价数据。</div>
-    {% endif %}
-</section>
-{% endblock %}
--- a/backend/assets/views/admin/site_settings.html
+++ b/backend/assets/views/admin/site_settings.html
@@ -1,225 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>站点资料</h2>
-            <div class="table-note">保存后首页、关于页、页脚和友链页中的本站信息会直接读取这里的配置。AI 问答也在这里统一开启和配置。</div>
-        </div>
-    </div>
-
-    <form id="site-settings-form" class="form-grid">
-        <div class="field">
-            <label>站点名称</label>
-            <input name="site_name" value="{{ form.site_name }}">
-        </div>
-        <div class="field">
-            <label>短名称</label>
-            <input name="site_short_name" value="{{ form.site_short_name }}">
-        </div>
-        <div class="field">
-            <label>站点链接</label>
-            <input name="site_url" value="{{ form.site_url }}">
-        </div>
-        <div class="field field-wide">
-            <label>站点标题</label>
-            <input name="site_title" value="{{ form.site_title }}">
-        </div>
-        <div class="field field-wide">
-            <label>站点简介</label>
-            <textarea name="site_description">{{ form.site_description }}</textarea>
-        </div>
-        <div class="field">
-            <label>首页主标题</label>
-            <input name="hero_title" value="{{ form.hero_title }}">
-        </div>
-        <div class="field">
-            <label>首页副标题</label>
-            <input name="hero_subtitle" value="{{ form.hero_subtitle }}">
-        </div>
-        <div class="field">
-            <label>个人名称</label>
-            <input name="owner_name" value="{{ form.owner_name }}">
-        </div>
-        <div class="field">
-            <label>个人头衔</label>
-            <input name="owner_title" value="{{ form.owner_title }}">
-        </div>
-        <div class="field">
-            <label>头像 URL</label>
-            <input name="owner_avatar_url" value="{{ form.owner_avatar_url }}">
-        </div>
-        <div class="field">
-            <label>所在地</label>
-            <input name="location" value="{{ form.location }}">
-        </div>
-        <div class="field">
-            <label>GitHub</label>
-            <input name="social_github" value="{{ form.social_github }}">
-        </div>
-        <div class="field">
-            <label>Twitter / X</label>
-            <input name="social_twitter" value="{{ form.social_twitter }}">
-        </div>
-        <div class="field field-wide">
-            <label>Email / mailto</label>
-            <input name="social_email" value="{{ form.social_email }}">
-        </div>
-        <div class="field field-wide">
-            <label>个人简介</label>
-            <textarea name="owner_bio">{{ form.owner_bio }}</textarea>
-        </div>
-        <div class="field field-wide">
-            <label>技术栈（每行一个）</label>
-            <textarea name="tech_stack">{{ form.tech_stack }}</textarea>
-        </div>
-
-        <div class="field field-wide" style="border-top: 1px solid rgba(148, 163, 184, 0.18); padding-top: 18px; margin-top: 10px;">
-            <label style="display:flex; align-items:center; gap:10px;">
-                <input type="checkbox" name="ai_enabled" {% if form.ai_enabled %}checked{% endif %}>
-                <span>启用前台 AI 问答</span>
-            </label>
-            <div class="field-hint">关闭后，前台导航不会显示 AI 页面，公开接口也不会对外提供回答。Embedding 已改为后端本地生成，并使用 PostgreSQL 的 pgvector 存储与检索。</div>
-        </div>
-        <div class="field">
-            <label>接入类型 / 协议</label>
-            <input name="ai_provider" value="{{ form.ai_provider }}" placeholder="newapi">
-            <div class="field-hint">这里是后端适配器类型，不是模型厂商名。`newapi` 表示走 NewAPI 兼容的 Responses 接口；厂商和型号建议写在你的通道备注与模型名里。</div>
-        </div>
-        <div class="field">
-            <label>聊天 API Base</label>
-            <input name="ai_api_base" value="{{ form.ai_api_base }}" placeholder="https://91code.jiangnight.com/v1">
-        </div>
-        <div class="field field-wide">
-            <label>聊天 API Key</label>
-            <input name="ai_api_key" value="{{ form.ai_api_key }}" placeholder="sk-...">
-            <div class="field-hint">这里只保存在后端数据库里，前台公开接口不会返回这个字段。当前默认接入 91code.jiangnight.com 的 NewAPI 兼容接口，未配置时前台仍可做本地检索，但不会生成完整聊天回答。</div>
-        </div>
-        <div class="field">
-            <label>聊天模型</label>
-            <input name="ai_chat_model" value="{{ form.ai_chat_model }}" placeholder="gpt-5.4">
-        </div>
-        <div class="field">
-            <label>本地 Embedding</label>
-            <input value="{{ form.ai_local_embedding }}" disabled>
-        </div>
-        <div class="field">
-            <label>Top K</label>
-            <input type="number" min="1" max="12" name="ai_top_k" value="{{ form.ai_top_k }}">
-        </div>
-        <div class="field">
-            <label>Chunk Size</label>
-            <input type="number" min="400" max="4000" step="50" name="ai_chunk_size" value="{{ form.ai_chunk_size }}">
-        </div>
-        <div class="field field-wide">
-            <label>系统提示词</label>
-            <textarea name="ai_system_prompt">{{ form.ai_system_prompt }}</textarea>
-        </div>
-        <div class="field field-wide">
-            <div class="table-note">AI 索引状态：已索引 {{ form.ai_chunks_count }} 个片段，最近建立时间 {{ form.ai_last_indexed_at }}。</div>
-            <div class="actions">
-                <button type="submit" class="btn btn-primary">保存设置</button>
-                <button type="button" id="reindex-btn" class="btn">重建 AI 索引</button>
-            </div>
-            <div class="field-hint" style="margin-top: 10px;">文章内容变化后建议手动重建一次 AI 索引。本地 embedding 使用后端内置 `fastembed` 生成，向量会写入 PostgreSQL 的 `pgvector` 列，并通过 HNSW 索引做相似度检索；聊天回答默认走 `newapi -> /responses -> gpt-5.4`。前台用户提交过的搜索词和 AI 问题会单独写入分析日志，方便在新版后台里查看。</div>
-            <div id="notice" class="notice"></div>
-        </div>
-    </form>
-</section>
-{% endblock %}
-
-{% block page_scripts %}
-<script>
-    const form = document.getElementById("site-settings-form");
-    const notice = document.getElementById("notice");
-    const reindexBtn = document.getElementById("reindex-btn");
-
-    function showNotice(message, kind) {
-        notice.textContent = message;
-        notice.className = "notice show " + (kind === "success" ? "notice-success" : "notice-error");
-    }
-
-    function numericOrNull(value) {
-        const parsed = Number(value);
-        return Number.isFinite(parsed) ? parsed : null;
-    }
-
-    form?.addEventListener("submit", async (event) => {
-        event.preventDefault();
-
-        const data = new FormData(form);
-        const payload = {
-            siteName: data.get("site_name"),
-            siteShortName: data.get("site_short_name"),
-            siteUrl: data.get("site_url"),
-            siteTitle: data.get("site_title"),
-            siteDescription: data.get("site_description"),
-            heroTitle: data.get("hero_title"),
-            heroSubtitle: data.get("hero_subtitle"),
-            ownerName: data.get("owner_name"),
-            ownerTitle: data.get("owner_title"),
-            ownerAvatarUrl: data.get("owner_avatar_url"),
-            location: data.get("location"),
-            socialGithub: data.get("social_github"),
-            socialTwitter: data.get("social_twitter"),
-            socialEmail: data.get("social_email"),
-            ownerBio: data.get("owner_bio"),
-            techStack: String(data.get("tech_stack") || "")
-                .split("\n")
-                .map((item) => item.trim())
-                .filter(Boolean),
-            aiEnabled: data.get("ai_enabled") === "on",
-            aiProvider: data.get("ai_provider"),
-            aiApiBase: data.get("ai_api_base"),
-            aiApiKey: data.get("ai_api_key"),
-            aiChatModel: data.get("ai_chat_model"),
-            aiTopK: numericOrNull(data.get("ai_top_k")),
-            aiChunkSize: numericOrNull(data.get("ai_chunk_size")),
-            aiSystemPrompt: data.get("ai_system_prompt")
-        };
-
-        try {
-            const response = await fetch("/api/site_settings", {
-                method: "PATCH",
-                headers: {
-                    "Content-Type": "application/json"
-                },
-                body: JSON.stringify(payload)
-            });
-
-            if (!response.ok) {
-                throw new Error(await response.text() || "save failed");
-            }
-
-            showNotice("站点信息与 AI 配置已保存。", "success");
-        } catch (error) {
-            showNotice("保存失败：" + (error?.message || "unknown error"), "error");
-        }
-    });
-
-    reindexBtn?.addEventListener("click", async () => {
-        reindexBtn.disabled = true;
-        reindexBtn.textContent = "正在重建...";
-
-        try {
-            const response = await fetch("/api/ai/reindex", {
-                method: "POST"
-            });
-
-            if (!response.ok) {
-                throw new Error(await response.text() || "reindex failed");
-            }
-
-            const data = await response.json();
-            showNotice(`AI 索引已重建，当前共有 ${data.indexed_chunks} 个片段。`, "success");
-            window.setTimeout(() => window.location.reload(), 900);
-        } catch (error) {
-            showNotice("重建失败：" + (error?.message || "unknown error"), "error");
-        } finally {
-            reindexBtn.disabled = false;
-            reindexBtn.textContent = "重建 AI 索引";
-        }
-    });
-</script>
-{% endblock %}
--- a/backend/assets/views/admin/tags.html
+++ b/backend/assets/views/admin/tags.html
@@ -1,77 +0,0 @@
-{% extends "admin/base.html" %}
-
-{% block main_content %}
-<section class="form-panel">
-    <div class="table-head">
-        <div>
-            <h2>新增标签</h2>
-            <div class="table-note">这里维护标签字典。文章 Markdown 导入时会优先复用这里的标签，不存在才自动创建。</div>
-        </div>
-    </div>
-
-    <form method="post" action="/admin/tags" class="inline-form">
-        <div class="compact-grid">
-            <input type="text" name="name" placeholder="标签名，例如 Rust" value="{{ create_form.name }}" required>
-            <input type="text" name="slug" placeholder="slug，可留空自动生成" value="{{ create_form.slug }}">
-        </div>
-        <div class="compact-actions">
-            <button type="submit" class="btn btn-primary">创建标签</button>
-        </div>
-    </form>
-</section>
-
-<section class="table-panel">
-    <div class="table-head">
-        <div>
-            <h2>标签映射</h2>
-            <div class="table-note">标签名称会作为文章展示名称使用，使用次数来自当前已同步的真实文章内容。</div>
-        </div>
-    </div>
-
-    {% if rows | length > 0 %}
-    <div class="table-wrap">
-        <table>
-            <thead>
-                <tr>
-                    <th>ID</th>
-                    <th>标签</th>
-                    <th>使用次数</th>
-                    <th>跳转</th>
-                </tr>
-            </thead>
-            <tbody>
-                {% for row in rows %}
-                <tr>
-                    <td class="mono">#{{ row.id }}</td>
-                    <td>
-                        <form method="post" action="/admin/tags/{{ row.id }}/update" class="inline-form compact">
-                            <div class="compact-grid">
-                                <input type="text" name="name" value="{{ row.name }}" required>
-                                <input type="text" name="slug" value="{{ row.slug }}" required>
-                            </div>
-                            <div class="compact-actions">
-                                <button type="submit" class="btn btn-success">保存</button>
-                                <a href="{{ row.api_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">API</a>
-                            </div>
-                        </form>
-                    </td>
-                    <td><span class="chip">{{ row.usage_count }} 篇文章</span></td>
-                    <td>
-                        <div class="actions">
-                            <a href="{{ row.frontend_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">前台标签页</a>
-                            <a href="{{ row.articles_url }}" class="btn btn-primary" target="_blank" rel="noreferrer noopener">前台筛选</a>
-                            <form method="post" action="/admin/tags/{{ row.id }}/delete">
-                                <button type="submit" class="btn btn-danger">删除</button>
-                            </form>
-                        </div>
-                    </td>
-                </tr>
-                {% endfor %}
-            </tbody>
-        </table>
-    </div>
-    {% else %}
-    <div class="empty">暂无标签数据。</div>
-    {% endif %}
-</section>
-{% endblock %}
--- a/backend/assets/views/home/hello.html
+++ b/backend/assets/views/home/hello.html
@@ -1,12 +0,0 @@
-<html><body>
-  <img src="/static/image.png" width="200"/>
-  <br/>
-  find this tera template at <code>assets/views/home/hello.html</code>: 
-  <br/>
-  <br/>
-  {{ t(key="hello-world", lang="en-US") }}, 
-  <br/>
-  {{ t(key="hello-world", lang="de-DE") }}
-  
-</body></html>
-  
--- a/backend/backend-manual.err.log
+++ b/backend/backend-manual.err.log
@@ -1,330 +0,0 @@
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-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 23s
-     Running `target\debug\termi_api-cli.exe start`
-error: process didn't exit successfully: `target\debug\termi_api-cli.exe start` (exit code: 0xffffffff)
--- a/backend/backend-manual.log
+++ b/backend/backend-manual.log
@@ -1,26 +0,0 @@
-[2m2026-03-29T11:49:41.902355Z[0m [33m WARN[0m [2mloco_rs::boot[0m[2m:[0m pretty backtraces are enabled (this is great for development but has a runtime cost for production. disable with `logger.pretty_backtrace` in your config yaml)
-
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-[2m2026-03-29T11:50:40.675162Z[0m [31mERROR[0m [1mhttp-request[0m: [2mloco_rs::controller[0m[2m:[0m controller_error [3merror.msg[0m[2m=[0mAI provider returned 429 Too Many Requests: {"error":{"message":"Concurrency limit exceeded for user, please retry later","type":"rate_limit_error"}} [3merror.details[0m[2m=[0mBadRequest("AI provider returned 429 Too Many Requests: {\"error\":{\"message\":\"Concurrency limit exceeded for user, please retry later\",\"type\":\"rate_limit_error\"}}") [2m[3mhttp.method[0m[2m=[0mPOST [3mhttp.uri[0m[2m=[0m/api/ai/ask [3mhttp.version[0m[2m=[0mHTTP/1.1 [3mhttp.user_agent[0m[2m=[0mMozilla/5.0 (Windows NT 10.0; Microsoft Windows 10.0.26200; zh-CN) PowerShell/7.5.5 [3menvironment[0m[2m=[0mdevelopment [3mrequest_id[0m[2m=[0m160e41d4-83b3-49d9-ad6d-e26498301ab9[0m
--- a/backend/backend-restart.err.log
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-   Compiling moka v0.12.15
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-   Compiling byte-unit v4.0.19
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-   Compiling sea-orm-migration v1.1.19
-   Compiling onig v6.5.1
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-   Compiling safetensors v0.7.0
-   Compiling fastembed v5.13.0
-   Compiling fluent-templates v0.13.3
-   Compiling migration v0.1.0 (D:\dev\frontend\svelte\termi-astro\backend\migration)
-   Compiling termi-api v0.1.0 (D:\dev\frontend\svelte\termi-astro\backend)
-    Finished `dev` profile [unoptimized] target(s) in 8m 53s
-     Running `target\debug\termi_api-cli.exe start`
-error: process didn't exit successfully: `target\debug\termi_api-cli.exe start` (exit code: 1073807364)
--- a/backend/backend-restart.log
+++ b/backend/backend-restart.log
@@ -1,25 +0,0 @@
-[2m2026-03-28T15:13:51.613322Z[0m [33m WARN[0m [2mloco_rs::boot[0m[2m:[0m pretty backtraces are enabled (this is great for development but has a runtime cost for production. disable with `logger.pretty_backtrace` in your config yaml)
-
-                      ▄     ▀                     
-                                 ▀  ▄             
-                  ▄       ▀     ▄  ▄ ▄▀           
-                                    ▄ ▀▄▄         
-                        ▄     ▀    ▀  ▀▄▀█▄       
-                                          ▀█▄     
-▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄   ▄▄▄▄▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄▄ ▀▀█    
- ██████  █████   ███ █████   ███ █████   ███ ▀█   
- ██████  █████   ███ █████   ▀▀▀ █████   ███ ▄█▄  
- ██████  █████   ███ █████       █████   ███ ████▄
- ██████  █████   ███ █████   ▄▄▄ █████   ███ █████
- ██████  █████   ███  ████   ███ █████   ███ ████▀
-   ▀▀▀██▄ ▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀ ██▀  
-       ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀    
-                https://loco.rs
-
-environment: development
-   database: automigrate
-     logger: debug
-compilation: debug
-      modes: server
-
-listening on http://localhost:5150
--- a/backend/config/development.yaml
+++ b/backend/config/development.yaml
@@ -31,8 +31,6 @@ server:
      folder:
        uri: "/static"
        path: "assets/static"
-      # fallback to index.html which redirects to /admin
-      fallback: "assets/static/index.html"

 # Worker Configuration
 workers:
--- a/backend/config/production.yaml
+++ b/backend/config/production.yaml
@@ -0,0 +1,59 @@
+logger:
+  enable: true
+  pretty_backtrace: false
+  level: info
+  format: json
+
+server:
+  port: {{ get_env(name="PORT", default="5150") }}
+  binding: 0.0.0.0
+  host: {{ get_env(name="APP_BASE_URL", default="http://localhost:5150") }}
+  middlewares:
+    static:
+      enable: true
+      must_exist: true
+      precompressed: false
+      folder:
+        uri: "/static"
+        path: "assets/static"
+
+workers:
+  mode: BackgroundQueue
+
+queue:
+  kind: Redis
+  uri: {{ get_env(name="REDIS_URL", default="redis://redis:6379") }}
+  dangerously_flush: false
+
+mailer:
+  smtp:
+    enable: {{ get_env(name="SMTP_ENABLE", default="false") }}
+    host: '{{ get_env(name="SMTP_HOST", default="localhost") }}'
+    port: {{ get_env(name="SMTP_PORT", default="1025") }}
+    secure: {{ get_env(name="SMTP_SECURE", default="false") }}
+    {% set smtp_user = get_env(name="SMTP_USER", default="") %}
+    {% if smtp_user != "" %}
+    auth:
+      user: '{{ smtp_user }}'
+      password: '{{ get_env(name="SMTP_PASSWORD", default="") }}'
+    {% endif %}
+    {% set smtp_hello_name = get_env(name="SMTP_HELLO_NAME", default="") %}
+    {% if smtp_hello_name != "" %}
+    hello_name: '{{ smtp_hello_name }}'
+    {% endif %}
+
+database:
+  uri: {{ get_env(name="DATABASE_URL", default="postgres://termi:termi@db:5432/termi_api") }}
+  enable_logging: false
+  connect_timeout: {{ get_env(name="DB_CONNECT_TIMEOUT", default="500") }}
+  idle_timeout: {{ get_env(name="DB_IDLE_TIMEOUT", default="500") }}
+  min_connections: {{ get_env(name="DB_MIN_CONNECTIONS", default="1") }}
+  max_connections: {{ get_env(name="DB_MAX_CONNECTIONS", default="10") }}
+  auto_migrate: true
+  dangerously_truncate: false
+  dangerously_recreate: false
+
+auth:
+  jwt:
+    secret: {{ get_env(name="JWT_SECRET", default="please-change-me") }}
+    expiration: {{ get_env(name="JWT_EXPIRATION_SECONDS", default="604800") }}
--- a/backend/config/test.yaml
+++ b/backend/config/test.yaml
@@ -29,7 +29,6 @@ server:
      folder:
        uri: "/static"
        path: "assets/static"
-      fallback: "assets/static/404.html"

 # Worker Configuration
 workers:
--- a/backend/docker-entrypoint.sh
+++ b/backend/docker-entrypoint.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+set -eu
+
+if [ "${TERMI_SKIP_MIGRATIONS:-false}" != "true" ]; then
+  echo "[entrypoint] running database migrations..."
+  termi_api-cli -e production db migrate
+fi
+
+exec "$@"
--- a/backend/migration/src/lib.rs
+++ b/backend/migration/src/lib.rs
@@ -25,6 +25,17 @@ mod m20260329_000014_create_query_events;
 mod m20260330_000015_add_image_ai_settings_to_site_settings;
 mod m20260330_000016_add_r2_media_settings_to_site_settings;
 mod m20260330_000017_add_media_storage_provider_to_site_settings;
+mod m20260331_000018_add_comment_request_metadata;
+mod m20260331_000019_create_comment_blacklist;
+mod m20260331_000020_create_comment_persona_analysis_logs;
+mod m20260331_000021_add_post_lifecycle_and_seo;
+mod m20260331_000022_add_site_settings_notifications_and_seo;
+mod m20260331_000023_create_content_events;
+mod m20260331_000024_create_admin_audit_logs;
+mod m20260331_000025_create_post_revisions;
+mod m20260331_000026_create_subscriptions;
+mod m20260331_000027_create_notification_deliveries;
+mod m20260331_000028_expand_subscriptions_and_deliveries;
 pub struct Migrator;

 #[async_trait::async_trait]
@@ -54,6 +65,17 @@ impl MigratorTrait for Migrator {
            Box::new(m20260330_000015_add_image_ai_settings_to_site_settings::Migration),
            Box::new(m20260330_000016_add_r2_media_settings_to_site_settings::Migration),
            Box::new(m20260330_000017_add_media_storage_provider_to_site_settings::Migration),
+            Box::new(m20260331_000018_add_comment_request_metadata::Migration),
+            Box::new(m20260331_000019_create_comment_blacklist::Migration),
+            Box::new(m20260331_000020_create_comment_persona_analysis_logs::Migration),
+            Box::new(m20260331_000021_add_post_lifecycle_and_seo::Migration),
+            Box::new(m20260331_000022_add_site_settings_notifications_and_seo::Migration),
+            Box::new(m20260331_000023_create_content_events::Migration),
+            Box::new(m20260331_000024_create_admin_audit_logs::Migration),
+            Box::new(m20260331_000025_create_post_revisions::Migration),
+            Box::new(m20260331_000026_create_subscriptions::Migration),
+            Box::new(m20260331_000027_create_notification_deliveries::Migration),
+            Box::new(m20260331_000028_expand_subscriptions_and_deliveries::Migration),
            // inject-above (do not remove this comment)
        ]
    }
--- a/backend/migration/src/m20260331_000018_add_comment_request_metadata.rs
+++ b/backend/migration/src/m20260331_000018_add_comment_request_metadata.rs
@@ -0,0 +1,85 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+const TABLE: &str = "comments";
+const IP_ADDRESS_COLUMN: &str = "ip_address";
+const USER_AGENT_COLUMN: &str = "user_agent";
+const REFERER_COLUMN: &str = "referer";
+const COMMENT_IP_INDEX: &str = "idx_comments_ip_address";
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let table = Alias::new(TABLE);
+
+        if !manager.has_column(TABLE, IP_ADDRESS_COLUMN).await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new(IP_ADDRESS_COLUMN))
+                                .string()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column(TABLE, USER_AGENT_COLUMN).await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(ColumnDef::new(Alias::new(USER_AGENT_COLUMN)).text().null())
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column(TABLE, REFERER_COLUMN).await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table)
+                        .add_column(ColumnDef::new(Alias::new(REFERER_COLUMN)).text().null())
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        manager
+            .get_connection()
+            .execute_unprepared(&format!(
+                "CREATE INDEX IF NOT EXISTS {COMMENT_IP_INDEX} ON {TABLE} ({IP_ADDRESS_COLUMN})"
+            ))
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .get_connection()
+            .execute_unprepared(&format!("DROP INDEX IF EXISTS {COMMENT_IP_INDEX}"))
+            .await?;
+
+        for column in [REFERER_COLUMN, USER_AGENT_COLUMN, IP_ADDRESS_COLUMN] {
+            if manager.has_column(TABLE, column).await? {
+                manager
+                    .alter_table(
+                        Table::alter()
+                            .table(Alias::new(TABLE))
+                            .drop_column(Alias::new(column))
+                            .to_owned(),
+                    )
+                    .await?;
+            }
+        }
+
+        Ok(())
+    }
+}
--- a/backend/migration/src/m20260331_000019_create_comment_blacklist.rs
+++ b/backend/migration/src/m20260331_000019_create_comment_blacklist.rs
@@ -0,0 +1,103 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Alias::new("comment_blacklist"))
+                    .if_not_exists()
+                    .col(
+                        ColumnDef::new(Alias::new("id"))
+                            .integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("matcher_type"))
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("matcher_value"))
+                            .string()
+                            .not_null(),
+                    )
+                    .col(ColumnDef::new(Alias::new("reason")).text().null())
+                    .col(ColumnDef::new(Alias::new("active")).boolean().null())
+                    .col(
+                        ColumnDef::new(Alias::new("expires_at"))
+                            .timestamp_with_time_zone()
+                            .null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("created_at"))
+                            .timestamp_with_time_zone()
+                            .not_null()
+                            .default(Expr::current_timestamp()),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("updated_at"))
+                            .timestamp_with_time_zone()
+                            .not_null()
+                            .default(Expr::current_timestamp()),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_comment_blacklist_matcher")
+                    .table(Alias::new("comment_blacklist"))
+                    .col(Alias::new("matcher_type"))
+                    .col(Alias::new("matcher_value"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_comment_blacklist_active_expires")
+                    .table(Alias::new("comment_blacklist"))
+                    .col(Alias::new("active"))
+                    .col(Alias::new("expires_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_comment_blacklist_active_expires",
+            "idx_comment_blacklist_matcher",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("comment_blacklist"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        manager
+            .drop_table(
+                Table::drop()
+                    .table(Alias::new("comment_blacklist"))
+                    .if_exists()
+                    .to_owned(),
+            )
+            .await
+    }
+}
--- a/backend/migration/src/m20260331_000020_create_comment_persona_analysis_logs.rs
+++ b/backend/migration/src/m20260331_000020_create_comment_persona_analysis_logs.rs
@@ -0,0 +1,131 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Alias::new("comment_persona_analysis_logs"))
+                    .if_not_exists()
+                    .col(
+                        ColumnDef::new(Alias::new("id"))
+                            .integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("matcher_type"))
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("matcher_value"))
+                            .string()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("from_at"))
+                            .timestamp_with_time_zone()
+                            .null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("to_at"))
+                            .timestamp_with_time_zone()
+                            .null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("total_comments"))
+                            .integer()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("pending_comments"))
+                            .integer()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("distinct_posts"))
+                            .integer()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("analysis_text"))
+                            .text()
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("sample_json"))
+                            .json_binary()
+                            .null(),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("created_at"))
+                            .timestamp_with_time_zone()
+                            .not_null()
+                            .default(Expr::current_timestamp()),
+                    )
+                    .col(
+                        ColumnDef::new(Alias::new("updated_at"))
+                            .timestamp_with_time_zone()
+                            .not_null()
+                            .default(Expr::current_timestamp()),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_comment_persona_analysis_logs_matcher_created_at")
+                    .table(Alias::new("comment_persona_analysis_logs"))
+                    .col(Alias::new("matcher_type"))
+                    .col(Alias::new("matcher_value"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_comment_persona_analysis_logs_created_at")
+                    .table(Alias::new("comment_persona_analysis_logs"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_comment_persona_analysis_logs_created_at",
+            "idx_comment_persona_analysis_logs_matcher_created_at",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("comment_persona_analysis_logs"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        manager
+            .drop_table(
+                Table::drop()
+                    .table(Alias::new("comment_persona_analysis_logs"))
+                    .if_exists()
+                    .to_owned(),
+            )
+            .await
+    }
+}
--- a/backend/migration/src/m20260331_000021_add_post_lifecycle_and_seo.rs
+++ b/backend/migration/src/m20260331_000021_add_post_lifecycle_and_seo.rs
@@ -0,0 +1,168 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let table = Alias::new("posts");
+
+        if !manager.has_column("posts", "status").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("status"))
+                                .string()
+                                .null()
+                                .default("published"),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "visibility").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("visibility"))
+                                .string()
+                                .null()
+                                .default("public"),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "publish_at").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("publish_at"))
+                                .timestamp_with_time_zone()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "unpublish_at").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("unpublish_at"))
+                                .timestamp_with_time_zone()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "canonical_url").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(ColumnDef::new(Alias::new("canonical_url")).text().null())
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "noindex").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("noindex"))
+                                .boolean()
+                                .null()
+                                .default(false),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "og_image").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(ColumnDef::new(Alias::new("og_image")).text().null())
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "redirect_from").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("redirect_from"))
+                                .json_binary()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager.has_column("posts", "redirect_to").await? {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(ColumnDef::new(Alias::new("redirect_to")).text().null())
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let table = Alias::new("posts");
+
+        for column in [
+            "redirect_to",
+            "redirect_from",
+            "og_image",
+            "noindex",
+            "canonical_url",
+            "unpublish_at",
+            "publish_at",
+            "visibility",
+            "status",
+        ] {
+            if manager.has_column("posts", column).await? {
+                manager
+                    .alter_table(
+                        Table::alter()
+                            .table(table.clone())
+                            .drop_column(Alias::new(column))
+                            .to_owned(),
+                    )
+                    .await?;
+            }
+        }
+
+        Ok(())
+    }
+}
--- a/backend/migration/src/m20260331_000022_add_site_settings_notifications_and_seo.rs
+++ b/backend/migration/src/m20260331_000022_add_site_settings_notifications_and_seo.rs
@@ -0,0 +1,149 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let table = Alias::new("site_settings");
+
+        if !manager
+            .has_column("site_settings", "seo_default_og_image")
+            .await?
+        {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("seo_default_og_image"))
+                                .text()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager
+            .has_column("site_settings", "seo_default_twitter_handle")
+            .await?
+        {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("seo_default_twitter_handle"))
+                                .string()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager
+            .has_column("site_settings", "notification_webhook_url")
+            .await?
+        {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("notification_webhook_url"))
+                                .text()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager
+            .has_column("site_settings", "notification_comment_enabled")
+            .await?
+        {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("notification_comment_enabled"))
+                                .boolean()
+                                .null()
+                                .default(false),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager
+            .has_column("site_settings", "notification_friend_link_enabled")
+            .await?
+        {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("notification_friend_link_enabled"))
+                                .boolean()
+                                .null()
+                                .default(false),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        if !manager
+            .has_column("site_settings", "search_synonyms")
+            .await?
+        {
+            manager
+                .alter_table(
+                    Table::alter()
+                        .table(table.clone())
+                        .add_column(
+                            ColumnDef::new(Alias::new("search_synonyms"))
+                                .json_binary()
+                                .null(),
+                        )
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let table = Alias::new("site_settings");
+
+        for column in [
+            "search_synonyms",
+            "notification_friend_link_enabled",
+            "notification_comment_enabled",
+            "notification_webhook_url",
+            "seo_default_twitter_handle",
+            "seo_default_og_image",
+        ] {
+            if manager.has_column("site_settings", column).await? {
+                manager
+                    .alter_table(
+                        Table::alter()
+                            .table(table.clone())
+                            .drop_column(Alias::new(column))
+                            .to_owned(),
+                    )
+                    .await?;
+            }
+        }
+
+        Ok(())
+    }
+}
--- a/backend/migration/src/m20260331_000023_create_content_events.rs
+++ b/backend/migration/src/m20260331_000023_create_content_events.rs
@@ -0,0 +1,82 @@
+use loco_rs::schema::*;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        create_table(
+            manager,
+            "content_events",
+            &[
+                ("id", ColType::PkAuto),
+                ("event_type", ColType::String),
+                ("path", ColType::String),
+                ("post_slug", ColType::StringNull),
+                ("session_id", ColType::StringNull),
+                ("referrer", ColType::StringNull),
+                ("user_agent", ColType::TextNull),
+                ("duration_ms", ColType::IntegerNull),
+                ("progress_percent", ColType::IntegerNull),
+                ("metadata", ColType::JsonBinaryNull),
+            ],
+            &[],
+        )
+        .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_content_events_event_type_created_at")
+                    .table(Alias::new("content_events"))
+                    .col(Alias::new("event_type"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_content_events_post_slug_created_at")
+                    .table(Alias::new("content_events"))
+                    .col(Alias::new("post_slug"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_content_events_referrer")
+                    .table(Alias::new("content_events"))
+                    .col(Alias::new("referrer"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_content_events_referrer",
+            "idx_content_events_post_slug_created_at",
+            "idx_content_events_event_type_created_at",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("content_events"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        drop_table(manager, "content_events").await
+    }
+}
--- a/backend/migration/src/m20260331_000024_create_admin_audit_logs.rs
+++ b/backend/migration/src/m20260331_000024_create_admin_audit_logs.rs
@@ -0,0 +1,70 @@
+use loco_rs::schema::*;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        create_table(
+            manager,
+            "admin_audit_logs",
+            &[
+                ("id", ColType::PkAuto),
+                ("actor_username", ColType::StringNull),
+                ("actor_email", ColType::StringNull),
+                ("actor_source", ColType::StringNull),
+                ("action", ColType::String),
+                ("target_type", ColType::String),
+                ("target_id", ColType::StringNull),
+                ("target_label", ColType::StringNull),
+                ("metadata", ColType::JsonBinaryNull),
+            ],
+            &[],
+        )
+        .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_admin_audit_logs_action_created_at")
+                    .table(Alias::new("admin_audit_logs"))
+                    .col(Alias::new("action"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_admin_audit_logs_target_type_created_at")
+                    .table(Alias::new("admin_audit_logs"))
+                    .col(Alias::new("target_type"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_admin_audit_logs_target_type_created_at",
+            "idx_admin_audit_logs_action_created_at",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("admin_audit_logs"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        drop_table(manager, "admin_audit_logs").await
+    }
+}
--- a/backend/migration/src/m20260331_000025_create_post_revisions.rs
+++ b/backend/migration/src/m20260331_000025_create_post_revisions.rs
@@ -0,0 +1,71 @@
+use loco_rs::schema::*;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        create_table(
+            manager,
+            "post_revisions",
+            &[
+                ("id", ColType::PkAuto),
+                ("post_slug", ColType::String),
+                ("post_title", ColType::StringNull),
+                ("operation", ColType::String),
+                ("revision_reason", ColType::TextNull),
+                ("actor_username", ColType::StringNull),
+                ("actor_email", ColType::StringNull),
+                ("actor_source", ColType::StringNull),
+                ("markdown", ColType::TextNull),
+                ("metadata", ColType::JsonBinaryNull),
+            ],
+            &[],
+        )
+        .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_post_revisions_post_slug_created_at")
+                    .table(Alias::new("post_revisions"))
+                    .col(Alias::new("post_slug"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_post_revisions_operation_created_at")
+                    .table(Alias::new("post_revisions"))
+                    .col(Alias::new("operation"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_post_revisions_operation_created_at",
+            "idx_post_revisions_post_slug_created_at",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("post_revisions"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        drop_table(manager, "post_revisions").await
+    }
+}
--- a/backend/migration/src/m20260331_000026_create_subscriptions.rs
+++ b/backend/migration/src/m20260331_000026_create_subscriptions.rs
@@ -0,0 +1,74 @@
+use loco_rs::schema::*;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        create_table(
+            manager,
+            "subscriptions",
+            &[
+                ("id", ColType::PkAuto),
+                ("channel_type", ColType::String),
+                ("target", ColType::String),
+                ("display_name", ColType::StringNull),
+                ("status", ColType::String),
+                ("filters", ColType::JsonBinaryNull),
+                ("secret", ColType::TextNull),
+                ("notes", ColType::TextNull),
+                ("verified_at", ColType::StringNull),
+                ("last_notified_at", ColType::StringNull),
+                ("failure_count", ColType::IntegerNull),
+                ("last_delivery_status", ColType::StringNull),
+            ],
+            &[],
+        )
+        .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_subscriptions_channel_status")
+                    .table(Alias::new("subscriptions"))
+                    .col(Alias::new("channel_type"))
+                    .col(Alias::new("status"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_subscriptions_channel_target_unique")
+                    .table(Alias::new("subscriptions"))
+                    .col(Alias::new("channel_type"))
+                    .col(Alias::new("target"))
+                    .unique()
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_subscriptions_channel_target_unique",
+            "idx_subscriptions_channel_status",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("subscriptions"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        drop_table(manager, "subscriptions").await
+    }
+}
--- a/backend/migration/src/m20260331_000027_create_notification_deliveries.rs
+++ b/backend/migration/src/m20260331_000027_create_notification_deliveries.rs
@@ -0,0 +1,71 @@
+use loco_rs::schema::*;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        create_table(
+            manager,
+            "notification_deliveries",
+            &[
+                ("id", ColType::PkAuto),
+                ("subscription_id", ColType::IntegerNull),
+                ("channel_type", ColType::String),
+                ("target", ColType::String),
+                ("event_type", ColType::String),
+                ("status", ColType::String),
+                ("provider", ColType::StringNull),
+                ("response_text", ColType::TextNull),
+                ("payload", ColType::JsonBinaryNull),
+                ("delivered_at", ColType::StringNull),
+            ],
+            &[],
+        )
+        .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_notification_deliveries_event_created_at")
+                    .table(Alias::new("notification_deliveries"))
+                    .col(Alias::new("event_type"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_notification_deliveries_subscription_created_at")
+                    .table(Alias::new("notification_deliveries"))
+                    .col(Alias::new("subscription_id"))
+                    .col(Alias::new("created_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        for index_name in [
+            "idx_notification_deliveries_subscription_created_at",
+            "idx_notification_deliveries_event_created_at",
+        ] {
+            manager
+                .drop_index(
+                    Index::drop()
+                        .name(index_name)
+                        .table(Alias::new("notification_deliveries"))
+                        .to_owned(),
+                )
+                .await?;
+        }
+
+        drop_table(manager, "notification_deliveries").await
+    }
+}
--- a/backend/migration/src/m20260331_000028_expand_subscriptions_and_deliveries.rs
+++ b/backend/migration/src/m20260331_000028_expand_subscriptions_and_deliveries.rs
@@ -0,0 +1,144 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Alias::new("subscriptions"))
+                    .add_column_if_not_exists(
+                        ColumnDef::new(Alias::new("confirm_token"))
+                            .string()
+                            .null(),
+                    )
+                    .add_column_if_not_exists(
+                        ColumnDef::new(Alias::new("manage_token"))
+                            .string()
+                            .null(),
+                    )
+                    .add_column_if_not_exists(
+                        ColumnDef::new(Alias::new("metadata"))
+                            .json_binary()
+                            .null(),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_subscriptions_confirm_token_unique")
+                    .table(Alias::new("subscriptions"))
+                    .col(Alias::new("confirm_token"))
+                    .unique()
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_subscriptions_manage_token_unique")
+                    .table(Alias::new("subscriptions"))
+                    .col(Alias::new("manage_token"))
+                    .unique()
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Alias::new("notification_deliveries"))
+                    .add_column_if_not_exists(
+                        ColumnDef::new(Alias::new("attempts_count"))
+                            .integer()
+                            .not_null()
+                            .default(0),
+                    )
+                    .add_column_if_not_exists(
+                        ColumnDef::new(Alias::new("next_retry_at"))
+                            .string()
+                            .null(),
+                    )
+                    .add_column_if_not_exists(
+                        ColumnDef::new(Alias::new("last_attempt_at"))
+                            .string()
+                            .null(),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_notification_deliveries_status_next_retry")
+                    .table(Alias::new("notification_deliveries"))
+                    .col(Alias::new("status"))
+                    .col(Alias::new("next_retry_at"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_index(
+                Index::drop()
+                    .name("idx_notification_deliveries_status_next_retry")
+                    .table(Alias::new("notification_deliveries"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Alias::new("notification_deliveries"))
+                    .drop_column(Alias::new("last_attempt_at"))
+                    .drop_column(Alias::new("next_retry_at"))
+                    .drop_column(Alias::new("attempts_count"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .drop_index(
+                Index::drop()
+                    .name("idx_subscriptions_manage_token_unique")
+                    .table(Alias::new("subscriptions"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .drop_index(
+                Index::drop()
+                    .name("idx_subscriptions_confirm_token_unique")
+                    .table(Alias::new("subscriptions"))
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Alias::new("subscriptions"))
+                    .drop_column(Alias::new("metadata"))
+                    .drop_column(Alias::new("manage_token"))
+                    .drop_column(Alias::new("confirm_token"))
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+}
--- a/backend/playwright-backend.err.log
+++ b/backend/playwright-backend.err.log
@@ -1,3 +0,0 @@
-   Compiling termi-api v0.1.0 (D:\dev\frontend\svelte\termi-astro\backend)
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.22s
-     Running `target\debug\termi_api-cli.exe start`
--- a/backend/playwright-backend.out.log
+++ b/backend/playwright-backend.out.log
--- a/backend/src/app.rs
+++ b/backend/src/app.rs
@@ -25,7 +25,7 @@ use crate::{
        ai_chunks, categories, comments, friend_links, posts, reviews, site_settings, tags, users,
    },
    tasks,
-    workers::downloader::DownloadWorker,
+    workers::{downloader::DownloadWorker, notification_delivery::NotificationDeliveryWorker},
 };

 pub struct App;
@@ -54,16 +54,14 @@ impl Hooks for App {
    }

    async fn initializers(_ctx: &AppContext) -> Result<Vec<Box<dyn Initializer>>> {
-        Ok(vec![
-            Box::new(initializers::content_sync::ContentSyncInitializer),
-            Box::new(initializers::view_engine::ViewEngineInitializer),
-        ])
+        Ok(vec![Box::new(initializers::content_sync::ContentSyncInitializer)])
    }

    fn routes(_ctx: &AppContext) -> AppRoutes {
        AppRoutes::with_default_routes() // controller routes below
-            .add_route(controllers::admin::routes())
+            .add_route(controllers::health::routes())
            .add_route(controllers::admin_api::routes())
+            .add_route(controllers::admin_ops::routes())
            .add_route(controllers::review::routes())
            .add_route(controllers::category::routes())
            .add_route(controllers::friend_link::routes())
@@ -71,9 +69,11 @@ impl Hooks for App {
            .add_route(controllers::comment::routes())
            .add_route(controllers::post::routes())
            .add_route(controllers::search::routes())
+            .add_route(controllers::content_analytics::routes())
            .add_route(controllers::site_settings::routes())
            .add_route(controllers::ai::routes())
            .add_route(controllers::auth::routes())
+            .add_route(controllers::subscription::routes())
    }
    async fn after_routes(router: AxumRouter, _ctx: &AppContext) -> Result<AxumRouter> {
        let cors = CorsLayer::new()
@@ -91,11 +91,15 @@ impl Hooks for App {
    }
    async fn connect_workers(ctx: &AppContext, queue: &Queue) -> Result<()> {
        queue.register(DownloadWorker::build(ctx)).await?;
+        queue.register(NotificationDeliveryWorker::build(ctx)).await?;
        Ok(())
    }

    #[allow(unused_variables)]
    fn register_tasks(tasks: &mut Tasks) {
+        tasks.register(tasks::retry_deliveries::RetryDeliveries);
+        tasks.register(tasks::send_weekly_digest::SendWeeklyDigest);
+        tasks.register(tasks::send_monthly_digest::SendMonthlyDigest);
        // tasks-inject (do not remove)
    }
    async fn seed(ctx: &AppContext, base: &Path) -> Result<()> {
--- a/backend/src/controllers/admin.rs
+++ b/backend/src/controllers/admin.rs
--- a/backend/src/controllers/admin_api.rs
+++ b/backend/src/controllers/admin_api.rs
--- a/backend/src/controllers/admin_ops.rs
+++ b/backend/src/controllers/admin_ops.rs
@@ -0,0 +1,455 @@
+use axum::http::HeaderMap;
+use loco_rs::prelude::*;
+use sea_orm::{
+    ActiveModelTrait, ColumnTrait, EntityTrait, IntoActiveModel, Order, QueryFilter, QueryOrder,
+    QuerySelect, Set,
+};
+use serde::{Deserialize, Serialize};
+
+use crate::{
+    controllers::admin::check_auth,
+    models::_entities::{
+        admin_audit_logs, notification_deliveries, post_revisions, subscriptions,
+    },
+    services::{admin_audit, post_revisions as revision_service, subscriptions as subscription_service},
+};
+
+#[derive(Clone, Debug, Default, Deserialize)]
+pub struct AuditLogQuery {
+    pub action: Option<String>,
+    pub target_type: Option<String>,
+    pub limit: Option<u64>,
+}
+
+#[derive(Clone, Debug, Default, Deserialize)]
+pub struct RevisionQuery {
+    pub slug: Option<String>,
+    pub limit: Option<u64>,
+}
+
+#[derive(Clone, Debug, Default, Deserialize)]
+pub struct DeliveriesQuery {
+    pub limit: Option<u64>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SubscriptionPayload {
+    #[serde(alias = "channelType")]
+    pub channel_type: String,
+    pub target: String,
+    #[serde(default, alias = "displayName")]
+    pub display_name: Option<String>,
+    #[serde(default)]
+    pub status: Option<String>,
+    #[serde(default)]
+    pub filters: Option<serde_json::Value>,
+    #[serde(default)]
+    pub metadata: Option<serde_json::Value>,
+    #[serde(default)]
+    pub secret: Option<String>,
+    #[serde(default)]
+    pub notes: Option<String>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SubscriptionUpdatePayload {
+    #[serde(default, alias = "channelType")]
+    pub channel_type: Option<String>,
+    #[serde(default)]
+    pub target: Option<String>,
+    #[serde(default, alias = "displayName")]
+    pub display_name: Option<String>,
+    #[serde(default)]
+    pub status: Option<String>,
+    #[serde(default)]
+    pub filters: Option<serde_json::Value>,
+    #[serde(default)]
+    pub metadata: Option<serde_json::Value>,
+    #[serde(default)]
+    pub secret: Option<String>,
+    #[serde(default)]
+    pub notes: Option<String>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct RestoreRevisionRequest {
+    #[serde(default)]
+    pub mode: Option<String>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct DigestDispatchRequest {
+    pub period: Option<String>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct PostRevisionListItem {
+    pub id: i32,
+    pub post_slug: String,
+    pub post_title: Option<String>,
+    pub operation: String,
+    pub revision_reason: Option<String>,
+    pub actor_username: Option<String>,
+    pub actor_email: Option<String>,
+    pub actor_source: Option<String>,
+    pub created_at: String,
+    pub has_markdown: bool,
+    pub metadata: Option<serde_json::Value>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct PostRevisionDetailResponse {
+    #[serde(flatten)]
+    pub item: PostRevisionListItem,
+    pub markdown: Option<String>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct RestoreRevisionResponse {
+    pub restored: bool,
+    pub revision_id: i32,
+    pub post_slug: String,
+    pub mode: String,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct SubscriptionListResponse {
+    pub subscriptions: Vec<subscriptions::Model>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct DeliveryListResponse {
+    pub deliveries: Vec<notification_deliveries::Model>,
+}
+
+fn trim_to_option(value: Option<String>) -> Option<String> {
+    value.and_then(|item| {
+        let trimmed = item.trim().to_string();
+        if trimmed.is_empty() {
+            None
+        } else {
+            Some(trimmed)
+        }
+    })
+}
+
+fn format_revision(item: post_revisions::Model) -> PostRevisionListItem {
+    PostRevisionListItem {
+        id: item.id,
+        post_slug: item.post_slug,
+        post_title: item.post_title,
+        operation: item.operation,
+        revision_reason: item.revision_reason,
+        actor_username: item.actor_username,
+        actor_email: item.actor_email,
+        actor_source: item.actor_source,
+        created_at: item.created_at.format("%Y-%m-%d %H:%M:%S").to_string(),
+        has_markdown: item.markdown.as_deref().map(str::trim).filter(|value| !value.is_empty()).is_some(),
+        metadata: item.metadata,
+    }
+}
+
+#[debug_handler]
+pub async fn list_audit_logs(
+    headers: HeaderMap,
+    Query(query): Query<AuditLogQuery>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
+
+    let mut db_query = admin_audit_logs::Entity::find().order_by(admin_audit_logs::Column::CreatedAt, Order::Desc);
+
+    if let Some(action) = query.action.map(|value| value.trim().to_string()).filter(|value| !value.is_empty()) {
+        db_query = db_query.filter(admin_audit_logs::Column::Action.eq(action));
+    }
+
+    if let Some(target_type) = query.target_type.map(|value| value.trim().to_string()).filter(|value| !value.is_empty()) {
+        db_query = db_query.filter(admin_audit_logs::Column::TargetType.eq(target_type));
+    }
+
+    format::json(db_query.limit(query.limit.unwrap_or(80)).all(&ctx.db).await?)
+}
+
+#[debug_handler]
+pub async fn list_post_revisions(
+    headers: HeaderMap,
+    Query(query): Query<RevisionQuery>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
+    let items = revision_service::list_revisions(&ctx, query.slug.as_deref(), query.limit.unwrap_or(120)).await?;
+    format::json(items.into_iter().map(format_revision).collect::<Vec<_>>())
+}
+
+#[debug_handler]
+pub async fn get_post_revision(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
+    let item = revision_service::get_revision(&ctx, id).await?;
+    format::json(PostRevisionDetailResponse {
+        item: format_revision(item.clone()),
+        markdown: item.markdown,
+    })
+}
+
+#[debug_handler]
+pub async fn restore_post_revision(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+    Json(payload): Json<RestoreRevisionRequest>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let mode = payload.mode.unwrap_or_else(|| "full".to_string());
+    let restored =
+        revision_service::restore_revision(&ctx, Some(&actor), id, &mode).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.revision.restore",
+        "post_revision",
+        Some(restored.id.to_string()),
+        Some(restored.post_slug.clone()),
+        Some(serde_json::json!({
+            "post_slug": restored.post_slug,
+            "source_revision_id": id,
+            "mode": mode,
+        })),
+    )
+    .await?;
+
+    format::json(RestoreRevisionResponse {
+        restored: true,
+        revision_id: id,
+        post_slug: restored.post_slug,
+        mode,
+    })
+}
+
+#[debug_handler]
+pub async fn list_subscriptions(
+    headers: HeaderMap,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
+    format::json(SubscriptionListResponse {
+        subscriptions: subscription_service::list_subscriptions(&ctx, None, None).await?,
+    })
+}
+
+#[debug_handler]
+pub async fn list_subscription_deliveries(
+    headers: HeaderMap,
+    Query(query): Query<DeliveriesQuery>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
+    format::json(DeliveryListResponse {
+        deliveries: subscription_service::list_recent_deliveries(&ctx, query.limit.unwrap_or(80)).await?,
+    })
+}
+
+#[debug_handler]
+pub async fn create_subscription(
+    headers: HeaderMap,
+    State(ctx): State<AppContext>,
+    Json(payload): Json<SubscriptionPayload>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+
+    let channel_type = subscription_service::normalize_channel_type(&payload.channel_type);
+    let target = payload.target.trim().to_string();
+    if target.is_empty() {
+        return Err(Error::BadRequest("target 不能为空".to_string()));
+    }
+
+    let created = subscriptions::ActiveModel {
+        channel_type: Set(channel_type.clone()),
+        target: Set(target.clone()),
+        display_name: Set(trim_to_option(payload.display_name)),
+        status: Set(subscription_service::normalize_status(payload.status.as_deref().unwrap_or("active"))),
+        filters: Set(subscription_service::normalize_filters(payload.filters)),
+        metadata: Set(payload.metadata),
+        secret: Set(trim_to_option(payload.secret)),
+        notes: Set(trim_to_option(payload.notes)),
+        confirm_token: Set(None),
+        manage_token: Set(Some(subscription_service::generate_subscription_token())),
+        verified_at: Set(Some(chrono::Utc::now().to_rfc3339())),
+        failure_count: Set(Some(0)),
+        ..Default::default()
+    }
+    .insert(&ctx.db)
+    .await?;
+
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "subscription.create",
+        "subscription",
+        Some(created.id.to_string()),
+        Some(format!("{}:{}", created.channel_type, created.target)),
+        Some(serde_json::json!({ "channel_type": created.channel_type, "target": created.target })),
+    )
+    .await?;
+
+    format::json(created)
+}
+
+#[debug_handler]
+pub async fn update_subscription(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+    Json(payload): Json<SubscriptionUpdatePayload>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+
+    let item = subscriptions::Entity::find_by_id(id)
+        .one(&ctx.db)
+        .await?
+        .ok_or(Error::NotFound)?;
+    let mut active = item.clone().into_active_model();
+
+    if let Some(channel_type) = payload.channel_type {
+        active.channel_type = Set(subscription_service::normalize_channel_type(&channel_type));
+    }
+    if let Some(target) = payload.target {
+        let normalized_target = target.trim().to_string();
+        if normalized_target.is_empty() {
+            return Err(Error::BadRequest("target 不能为空".to_string()));
+        }
+        active.target = Set(normalized_target);
+    }
+    if payload.display_name.is_some() {
+        active.display_name = Set(trim_to_option(payload.display_name));
+    }
+    if let Some(status) = payload.status {
+        active.status = Set(subscription_service::normalize_status(&status));
+    }
+    if payload.filters.is_some() {
+        active.filters = Set(subscription_service::normalize_filters(payload.filters));
+    }
+    if payload.metadata.is_some() {
+        active.metadata = Set(payload.metadata);
+    }
+    if payload.secret.is_some() {
+        active.secret = Set(trim_to_option(payload.secret));
+    }
+    if payload.notes.is_some() {
+        active.notes = Set(trim_to_option(payload.notes));
+    }
+
+    let updated = active.update(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "subscription.update",
+        "subscription",
+        Some(updated.id.to_string()),
+        Some(format!("{}:{}", updated.channel_type, updated.target)),
+        None,
+    )
+    .await?;
+
+    format::json(updated)
+}
+
+#[debug_handler]
+pub async fn delete_subscription(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let item = subscriptions::Entity::find_by_id(id)
+        .one(&ctx.db)
+        .await?
+        .ok_or(Error::NotFound)?;
+    let label = format!("{}:{}", item.channel_type, item.target);
+    item.delete(&ctx.db).await?;
+
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "subscription.delete",
+        "subscription",
+        Some(id.to_string()),
+        Some(label),
+        None,
+    )
+    .await?;
+
+    format::empty()
+}
+
+#[debug_handler]
+pub async fn test_subscription(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let item = subscriptions::Entity::find_by_id(id)
+        .one(&ctx.db)
+        .await?
+        .ok_or(Error::NotFound)?;
+
+    let delivery = subscription_service::send_test_notification(&ctx, &item).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "subscription.test",
+        "subscription",
+        Some(item.id.to_string()),
+        Some(format!("{}:{}", item.channel_type, item.target)),
+        None,
+    )
+    .await?;
+
+    format::json(serde_json::json!({ "queued": true, "id": item.id, "delivery_id": delivery.id }))
+}
+
+#[debug_handler]
+pub async fn send_subscription_digest(
+    headers: HeaderMap,
+    State(ctx): State<AppContext>,
+    Json(payload): Json<DigestDispatchRequest>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let summary = subscription_service::send_digest(&ctx, payload.period.as_deref().unwrap_or("weekly")).await?;
+
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "subscription.digest.send",
+        "subscription_digest",
+        None,
+        Some(summary.period.clone()),
+        Some(serde_json::json!({
+            "period": summary.period,
+            "post_count": summary.post_count,
+            "queued": summary.queued,
+            "skipped": summary.skipped,
+        })),
+    )
+    .await?;
+
+    format::json(summary)
+}
+
+pub fn routes() -> Routes {
+    Routes::new()
+        .prefix("/api/admin")
+        .add("/audit-logs", get(list_audit_logs))
+        .add("/post-revisions", get(list_post_revisions))
+        .add("/post-revisions/{id}", get(get_post_revision))
+        .add("/post-revisions/{id}/restore", post(restore_post_revision))
+        .add("/subscriptions", get(list_subscriptions).post(create_subscription))
+        .add("/subscriptions/deliveries", get(list_subscription_deliveries))
+        .add("/subscriptions/digest", post(send_subscription_digest))
+        .add("/subscriptions/{id}", patch(update_subscription).delete(delete_subscription))
+        .add("/subscriptions/{id}/test", post(test_subscription))
+}
--- a/backend/src/controllers/ai.rs
+++ b/backend/src/controllers/ai.rs
@@ -16,7 +16,7 @@ use std::time::Instant;

 use crate::{
    controllers::{admin::check_auth, site_settings},
-    services::{ai, analytics},
+    services::{abuse_guard, ai, analytics},
 };

 #[derive(Clone, Debug, Deserialize)]
@@ -212,6 +212,11 @@ pub async fn ask(
    let started_at = Instant::now();
    let question = payload.question.trim().to_string();
    let (provider, chat_model) = current_provider_metadata(&ctx).await;
+    abuse_guard::enforce_public_scope(
+        "ai_ask",
+        abuse_guard::detect_client_ip(&headers).as_deref(),
+        Some(&question),
+    )?;

    match ai::answer_question(&ctx, &payload.question).await {
        Ok(result) => {
@@ -263,6 +268,11 @@ pub async fn ask_stream(
    let request_headers = headers.clone();
    let question = payload.question.trim().to_string();
    let (fallback_provider, fallback_chat_model) = current_provider_metadata(&ctx).await;
+    abuse_guard::enforce_public_scope(
+        "ai_stream",
+        abuse_guard::detect_client_ip(&headers).as_deref(),
+        Some(&question),
+    )?;

    let stream = stream! {
        let started_at = Instant::now();
@@ -503,8 +513,8 @@ pub async fn ask_stream(
 }

 #[debug_handler]
-pub async fn reindex(State(ctx): State<AppContext>) -> Result<Response> {
-    check_auth()?;
+pub async fn reindex(headers: HeaderMap, State(ctx): State<AppContext>) -> Result<Response> {
+    check_auth(&headers)?;
    let summary = ai::rebuild_index(&ctx).await?;

    format::json(ReindexResponse {
--- a/backend/src/controllers/comment.rs
+++ b/backend/src/controllers/comment.rs
@@ -5,11 +5,23 @@ use loco_rs::prelude::*;
 use sea_orm::{ColumnTrait, QueryFilter, QueryOrder};
 use serde::{Deserialize, Serialize};
 use std::collections::BTreeMap;
+use std::net::SocketAddr;
+
+use axum::{
+    extract::{rejection::ExtensionRejection, ConnectInfo},
+    http::{header, HeaderMap},
+};

 use crate::models::_entities::{
    comments::{ActiveModel, Column, Entity, Model},
    posts,
 };
+use crate::services::{
+    admin_audit,
+    comment_guard::{self, CommentGuardInput},
+    notifications,
+};
+use crate::controllers::admin::check_auth;

 const ARTICLE_SCOPE: &str = "article";
 const PARAGRAPH_SCOPE: &str = "paragraph";
@@ -106,6 +118,12 @@ pub struct CreateCommentRequest {
    pub paragraph_excerpt: Option<String>,
    #[serde(default)]
    pub approved: Option<bool>,
+    #[serde(default, alias = "captchaToken")]
+    pub captcha_token: Option<String>,
+    #[serde(default, alias = "captchaAnswer")]
+    pub captcha_answer: Option<String>,
+    #[serde(default)]
+    pub website: Option<String>,
 }

 #[derive(Clone, Debug, Serialize)]
@@ -125,6 +143,50 @@ fn normalize_optional_string(value: Option<String>) -> Option<String> {
    })
 }

+fn normalize_with_limit(value: Option<&str>, max_chars: usize) -> Option<String> {
+    value.and_then(|item| {
+        let trimmed = item.trim();
+        if trimmed.is_empty() {
+            return None;
+        }
+
+        Some(trimmed.chars().take(max_chars).collect::<String>())
+    })
+}
+
+fn header_value<'a>(headers: &'a HeaderMap, key: header::HeaderName) -> Option<&'a str> {
+    headers.get(key).and_then(|value| value.to_str().ok())
+}
+
+fn first_forwarded_ip(value: &str) -> Option<&str> {
+    value
+        .split(',')
+        .map(str::trim)
+        .find(|item| !item.is_empty())
+}
+
+fn detect_client_ip(
+    headers: &HeaderMap,
+    connect_info: Option<&ConnectInfo<SocketAddr>>,
+) -> Option<String> {
+    let forwarded = header_value(headers, header::HeaderName::from_static("x-forwarded-for"))
+        .and_then(first_forwarded_ip);
+    let real_ip = header_value(headers, header::HeaderName::from_static("x-real-ip"));
+    let cf_connecting_ip =
+        header_value(headers, header::HeaderName::from_static("cf-connecting-ip"));
+    let true_client_ip = header_value(headers, header::HeaderName::from_static("true-client-ip"));
+    let remote_addr = connect_info.map(|addr| addr.0.ip().to_string());
+
+    normalize_with_limit(
+        forwarded
+            .or(real_ip)
+            .or(cf_connecting_ip)
+            .or(true_client_ip)
+            .or(remote_addr.as_deref()),
+        96,
+    )
+}
+
 fn normalized_scope(value: Option<String>) -> Result<String> {
    match value
        .unwrap_or_else(|| ARTICLE_SCOPE.to_string())
@@ -171,7 +233,12 @@ async fn resolve_post_slug(ctx: &AppContext, raw: &str) -> Result<Option<String>
 pub async fn list(
    Query(query): Query<ListQuery>,
    State(ctx): State<AppContext>,
+    headers: HeaderMap,
 ) -> Result<Response> {
+    if query.approved != Some(true) {
+        check_auth(&headers)?;
+    }
+
    let mut db_query = Entity::find().order_by_asc(Column::CreatedAt);

    let post_slug = if let Some(post_slug) = query.post_slug {
@@ -252,9 +319,22 @@ pub async fn paragraph_summary(
    format::json(summary)
 }

+#[debug_handler]
+pub async fn captcha_challenge(
+    headers: HeaderMap,
+    connect_info: Result<ConnectInfo<SocketAddr>, ExtensionRejection>,
+) -> Result<Response> {
+    let ip_address = detect_client_ip(&headers, connect_info.as_ref().ok());
+    format::json(comment_guard::create_captcha_challenge(
+        ip_address.as_deref(),
+    )?)
+}
+
 #[debug_handler]
 pub async fn add(
    State(ctx): State<AppContext>,
+    headers: HeaderMap,
+    connect_info: Result<ConnectInfo<SocketAddr>, ExtensionRejection>,
    Json(params): Json<CreateCommentRequest>,
 ) -> Result<Response> {
    let scope = normalized_scope(params.scope.clone())?;
@@ -271,6 +351,9 @@ pub async fn add(
    let email = normalize_optional_string(params.email);
    let avatar = normalize_optional_string(params.avatar);
    let content = normalize_optional_string(params.content);
+    let ip_address = detect_client_ip(&headers, connect_info.as_ref().ok());
+    let user_agent = normalize_with_limit(header_value(&headers, header::USER_AGENT), 512);
+    let referer = normalize_with_limit(header_value(&headers, header::REFERER), 1024);
    let paragraph_key = normalize_optional_string(params.paragraph_key);
    let paragraph_excerpt = normalize_optional_string(params.paragraph_excerpt)
        .or_else(|| content.as_deref().and_then(preview_excerpt));
@@ -291,6 +374,21 @@ pub async fn add(
        return Err(Error::BadRequest("paragraph_key is required".to_string()));
    }

+    comment_guard::enforce_comment_guard(
+        &ctx,
+        &CommentGuardInput {
+            ip_address: ip_address.as_deref(),
+            email: email.as_deref(),
+            user_agent: user_agent.as_deref(),
+            author: author.as_deref(),
+            content: content.as_deref(),
+            honeypot_website: params.website.as_deref(),
+            captcha_token: params.captcha_token.as_deref(),
+            captcha_answer: params.captcha_answer.as_deref(),
+        },
+    )
+    .await?;
+
    let mut item = ActiveModel {
        ..Default::default()
    };
@@ -302,6 +400,9 @@ pub async fn add(
    item.author = Set(author);
    item.email = Set(email);
    item.avatar = Set(avatar);
+    item.ip_address = Set(ip_address);
+    item.user_agent = Set(user_agent);
+    item.referer = Set(referer);
    item.content = Set(content);
    item.scope = Set(scope);
    item.paragraph_key = Set(paragraph_key);
@@ -313,36 +414,72 @@ pub async fn add(
    item.reply_to_comment_id = Set(params.reply_to_comment_id);
    item.approved = Set(Some(params.approved.unwrap_or(false)));
    let item = item.insert(&ctx.db).await?;
+    notifications::notify_new_comment(&ctx, &item).await;
    format::json(item)
 }

 #[debug_handler]
 pub async fn update(
+    headers: HeaderMap,
    Path(id): Path<i32>,
    State(ctx): State<AppContext>,
    Json(params): Json<Params>,
 ) -> Result<Response> {
+    let actor = check_auth(&headers)?;
    let item = load_item(&ctx, id).await?;
    let mut item = item.into_active_model();
    params.update(&mut item);
    let item = item.update(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "comment.update",
+        "comment",
+        Some(item.id.to_string()),
+        item.post_slug.clone(),
+        Some(serde_json::json!({ "approved": item.approved })),
+    )
+    .await?;
    format::json(item)
 }

 #[debug_handler]
-pub async fn remove(Path(id): Path<i32>, State(ctx): State<AppContext>) -> Result<Response> {
-    load_item(&ctx, id).await?.delete(&ctx.db).await?;
+pub async fn remove(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let item = load_item(&ctx, id).await?;
+    let label = item.post_slug.clone();
+    item.delete(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "comment.delete",
+        "comment",
+        Some(id.to_string()),
+        label,
+        None,
+    )
+    .await?;
    format::empty()
 }

 #[debug_handler]
-pub async fn get_one(Path(id): Path<i32>, State(ctx): State<AppContext>) -> Result<Response> {
+pub async fn get_one(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
    format::json(load_item(&ctx, id).await?)
 }

 pub fn routes() -> Routes {
    Routes::new()
        .prefix("api/comments/")
+        .add("captcha", get(captcha_challenge))
        .add("/", get(list))
        .add("paragraphs/summary", get(paragraph_summary))
        .add("/", post(add))
--- a/backend/src/controllers/content_analytics.rs
+++ b/backend/src/controllers/content_analytics.rs
@@ -0,0 +1,68 @@
+#![allow(clippy::missing_errors_doc)]
+#![allow(clippy::unnecessary_struct_initialization)]
+#![allow(clippy::unused_async)]
+
+use axum::http::HeaderMap;
+use loco_rs::prelude::*;
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+use crate::services::analytics;
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct ContentAnalyticsEventPayload {
+    pub event_type: String,
+    pub path: String,
+    #[serde(default)]
+    pub post_slug: Option<String>,
+    #[serde(default)]
+    pub session_id: Option<String>,
+    #[serde(default)]
+    pub duration_ms: Option<i32>,
+    #[serde(default)]
+    pub progress_percent: Option<i32>,
+    #[serde(default)]
+    pub metadata: Option<Value>,
+    #[serde(default)]
+    pub referrer: Option<String>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct ContentAnalyticsEventResponse {
+    pub recorded: bool,
+}
+
+#[debug_handler]
+pub async fn record(
+    State(ctx): State<AppContext>,
+    headers: HeaderMap,
+    Json(payload): Json<ContentAnalyticsEventPayload>,
+) -> Result<Response> {
+    let mut request_context = analytics::content_request_context_from_headers(&payload.path, &headers);
+    if payload.referrer.as_deref().map(str::trim).filter(|value| !value.is_empty()).is_some() {
+        request_context.referrer = payload.referrer;
+    }
+
+    analytics::record_content_event(
+        &ctx,
+        analytics::ContentEventDraft {
+            event_type: payload.event_type,
+            path: payload.path,
+            post_slug: payload.post_slug,
+            session_id: payload.session_id,
+            request_context,
+            duration_ms: payload.duration_ms,
+            progress_percent: payload.progress_percent,
+            metadata: payload.metadata,
+        },
+    )
+    .await;
+
+    format::json(ContentAnalyticsEventResponse { recorded: true })
+}
+
+pub fn routes() -> Routes {
+    Routes::new()
+        .prefix("api/analytics/")
+        .add("content", post(record))
+}
--- a/backend/src/controllers/friend_link.rs
+++ b/backend/src/controllers/friend_link.rs
@@ -1,11 +1,14 @@
 #![allow(clippy::missing_errors_doc)]
 #![allow(clippy::unnecessary_struct_initialization)]
 #![allow(clippy::unused_async)]
+use axum::http::HeaderMap;
 use loco_rs::prelude::*;
 use sea_orm::{ColumnTrait, QueryFilter, QueryOrder};
 use serde::{Deserialize, Serialize};

+use crate::controllers::admin::check_auth;
 use crate::models::_entities::friend_links::{ActiveModel, Column, Entity, Model};
+use crate::services::{admin_audit, notifications};

 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Params {
@@ -69,11 +72,15 @@ async fn load_item(ctx: &AppContext, id: i32) -> Result<Model> {
 pub async fn list(
    Query(query): Query<ListQuery>,
    State(ctx): State<AppContext>,
+    headers: HeaderMap,
 ) -> Result<Response> {
+    let authenticated = check_auth(&headers).ok();
    let mut db_query = Entity::find().order_by_desc(Column::CreatedAt);

    if let Some(status) = query.status {
        db_query = db_query.filter(Column::Status.eq(status));
+    } else if authenticated.is_none() {
+        db_query = db_query.filter(Column::Status.eq("approved"));
    }

    if let Some(category) = query.category {
@@ -98,30 +105,65 @@ pub async fn add(
    item.category = Set(params.category);
    item.status = Set(Some(params.status.unwrap_or_else(|| "pending".to_string())));
    let item = item.insert(&ctx.db).await?;
+    notifications::notify_new_friend_link(&ctx, &item).await;
    format::json(item)
 }

 #[debug_handler]
 pub async fn update(
+    headers: HeaderMap,
    Path(id): Path<i32>,
    State(ctx): State<AppContext>,
    Json(params): Json<Params>,
 ) -> Result<Response> {
+    let actor = check_auth(&headers)?;
    let item = load_item(&ctx, id).await?;
    let mut item = item.into_active_model();
    params.update(&mut item);
    let item = item.update(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "friend_link.update",
+        "friend_link",
+        Some(item.id.to_string()),
+        item.site_name.clone().or_else(|| Some(item.site_url.clone())),
+        Some(serde_json::json!({ "status": item.status })),
+    )
+    .await?;
    format::json(item)
 }

 #[debug_handler]
-pub async fn remove(Path(id): Path<i32>, State(ctx): State<AppContext>) -> Result<Response> {
-    load_item(&ctx, id).await?.delete(&ctx.db).await?;
+pub async fn remove(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let item = load_item(&ctx, id).await?;
+    let label = item.site_name.clone().or_else(|| Some(item.site_url.clone()));
+    item.delete(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "friend_link.delete",
+        "friend_link",
+        Some(id.to_string()),
+        label,
+        None,
+    )
+    .await?;
    format::empty()
 }

 #[debug_handler]
-pub async fn get_one(Path(id): Path<i32>, State(ctx): State<AppContext>) -> Result<Response> {
+pub async fn get_one(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    check_auth(&headers)?;
    format::json(load_item(&ctx, id).await?)
 }

--- a/backend/src/controllers/health.rs
+++ b/backend/src/controllers/health.rs
@@ -0,0 +1,13 @@
+use loco_rs::prelude::*;
+
+#[debug_handler]
+pub async fn healthz() -> Result<Response> {
+    format::json(serde_json::json!({
+        "ok": true,
+        "service": "backend",
+    }))
+}
+
+pub fn routes() -> Routes {
+    Routes::new().add("/healthz", get(healthz))
+}
--- a/backend/src/controllers/mod.rs
+++ b/backend/src/controllers/mod.rs
@@ -1,12 +1,16 @@
 pub mod admin;
 pub mod admin_api;
+pub mod admin_ops;
 pub mod ai;
 pub mod auth;
+pub mod content_analytics;
 pub mod category;
 pub mod comment;
 pub mod friend_link;
+pub mod health;
 pub mod post;
 pub mod review;
 pub mod search;
 pub mod site_settings;
+pub mod subscription;
 pub mod tag;
--- a/backend/src/controllers/post.rs
+++ b/backend/src/controllers/post.rs
@@ -1,13 +1,312 @@
 #![allow(clippy::missing_errors_doc)]
 #![allow(clippy::unnecessary_struct_initialization)]
 #![allow(clippy::unused_async)]
-use axum::extract::Multipart;
+
+use std::collections::HashSet;
+
+use axum::{extract::Multipart, http::HeaderMap};
+use chrono::{TimeZone, Utc};
 use loco_rs::prelude::*;
 use sea_orm::QueryOrder;
-use serde::{Deserialize, Serialize};
+use serde::{Deserialize, Deserializer, Serialize};

 use crate::models::_entities::posts::{ActiveModel, Column, Entity, Model};
-use crate::services::content;
+use crate::{
+    controllers::admin::check_auth,
+    services::{admin_audit, content, post_revisions, subscriptions},
+};
+
+fn deserialize_boolish_option<'de, D>(
+    deserializer: D,
+) -> std::result::Result<Option<bool>, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    let raw = Option::<String>::deserialize(deserializer)?;
+
+    raw.map(|value| match value.trim().to_ascii_lowercase().as_str() {
+        "1" | "true" | "yes" | "on" => Ok(true),
+        "0" | "false" | "no" | "off" => Ok(false),
+        other => Err(serde::de::Error::custom(format!(
+            "invalid boolean value `{other}`"
+        ))),
+    })
+    .transpose()
+}
+
+fn normalize_slug_key(value: &str) -> String {
+    value.trim().trim_matches('/').to_string()
+}
+
+fn request_preview_mode(preview: Option<bool>, headers: &HeaderMap) -> bool {
+    preview.unwrap_or(false)
+        || headers
+            .get("x-termi-post-mode")
+            .and_then(|value| value.to_str().ok())
+            .map(|value| value.eq_ignore_ascii_case("preview"))
+            .unwrap_or(false)
+}
+
+fn requested_status(status: Option<String>, published: Option<bool>) -> String {
+    if let Some(status) = status.as_deref() {
+        return content::normalize_post_status(Some(status));
+    }
+
+    if published == Some(false) {
+        content::POST_STATUS_DRAFT.to_string()
+    } else {
+        content::POST_STATUS_PUBLISHED.to_string()
+    }
+}
+
+fn normalize_visibility(value: Option<String>) -> String {
+    content::normalize_post_visibility(value.as_deref())
+}
+
+fn post_has_tag(post: &Model, wanted_tag: &str) -> bool {
+    let wanted = wanted_tag.trim().to_lowercase();
+
+    post.tags
+        .as_ref()
+        .and_then(|value| value.as_array())
+        .map(|tags| {
+            tags.iter().filter_map(|tag| tag.as_str()).any(|tag| {
+                let normalized = tag.trim().to_lowercase();
+                normalized == wanted
+            })
+        })
+        .unwrap_or(false)
+}
+
+fn effective_status(post: &Model) -> String {
+    content::effective_post_state(
+        post.status.as_deref().unwrap_or(content::POST_STATUS_PUBLISHED),
+        post.publish_at,
+        post.unpublish_at,
+        Utc::now().fixed_offset(),
+    )
+}
+
+fn listed_publicly(post: &Model) -> bool {
+    content::is_post_listed_publicly(post, Utc::now().fixed_offset())
+}
+
+fn publicly_accessible(post: &Model) -> bool {
+    content::is_post_publicly_accessible(post, Utc::now().fixed_offset())
+}
+
+fn parse_optional_markdown_datetime(
+    value: Option<&str>,
+) -> Option<chrono::DateTime<chrono::FixedOffset>> {
+    let value = value?.trim();
+    if value.is_empty() {
+        return None;
+    }
+
+    chrono::DateTime::parse_from_rfc3339(value).ok().or_else(|| {
+        chrono::NaiveDate::parse_from_str(value, "%Y-%m-%d")
+            .ok()
+            .and_then(|date| date.and_hms_opt(0, 0, 0))
+            .and_then(|naive| {
+                chrono::FixedOffset::east_opt(0)?
+                    .from_local_datetime(&naive)
+                    .single()
+            })
+    })
+}
+
+fn markdown_post_listed_publicly(post: &content::MarkdownPost) -> bool {
+    content::effective_post_state(
+        &post.status,
+        parse_optional_markdown_datetime(post.publish_at.as_deref()),
+        parse_optional_markdown_datetime(post.unpublish_at.as_deref()),
+        Utc::now().fixed_offset(),
+    ) == content::POST_STATUS_PUBLISHED
+        && post.visibility == content::POST_VISIBILITY_PUBLIC
+}
+
+fn should_include_post(
+    post: &Model,
+    query: &ListQuery,
+    preview: bool,
+    include_private: bool,
+    include_redirects: bool,
+) -> bool {
+    if !preview && !listed_publicly(post) {
+        return false;
+    }
+
+    if query.listed_only.unwrap_or(!preview) && !listed_publicly(post) {
+        return false;
+    }
+
+    if !include_private
+        && content::normalize_post_visibility(post.visibility.as_deref())
+            == content::POST_VISIBILITY_PRIVATE
+    {
+        return false;
+    }
+
+    if !include_redirects
+        && post
+            .redirect_to
+            .as_deref()
+            .map(str::trim)
+            .filter(|value| !value.is_empty())
+            .is_some()
+    {
+        return false;
+    }
+
+    if let Some(slug) = &query.slug {
+        if post.slug != *slug {
+            return false;
+        }
+    }
+
+    if let Some(category) = &query.category {
+        if post
+            .category
+            .as_deref()
+            .map(|value| !value.eq_ignore_ascii_case(category))
+            .unwrap_or(true)
+        {
+            return false;
+        }
+    }
+
+    if let Some(post_type) = &query.post_type {
+        if post
+            .post_type
+            .as_deref()
+            .map(|value| !value.eq_ignore_ascii_case(post_type))
+            .unwrap_or(true)
+        {
+            return false;
+        }
+    }
+
+    if let Some(pinned) = query.pinned {
+        if post.pinned.unwrap_or(false) != pinned {
+            return false;
+        }
+    }
+
+    if let Some(tag) = &query.tag {
+        if !post_has_tag(post, tag) {
+            return false;
+        }
+    }
+
+    if let Some(status) = &query.status {
+        if effective_status(post) != content::normalize_post_status(Some(status)) && effective_status(post) != status.trim().to_ascii_lowercase() {
+            return false;
+        }
+    }
+
+    if let Some(visibility) = &query.visibility {
+        if content::normalize_post_visibility(post.visibility.as_deref())
+            != content::normalize_post_visibility(Some(visibility))
+        {
+            return false;
+        }
+    }
+
+    if let Some(search) = &query.search {
+        let wanted = search.trim().to_lowercase();
+        let haystack = [
+            post.title.as_deref().unwrap_or_default(),
+            post.description.as_deref().unwrap_or_default(),
+            post.content.as_deref().unwrap_or_default(),
+            post.category.as_deref().unwrap_or_default(),
+            &post.slug,
+        ]
+        .join("\n")
+        .to_lowercase();
+
+        if !haystack.contains(&wanted)
+            && !post
+                .tags
+                .as_ref()
+                .and_then(|value| value.as_array())
+                .map(|tags| {
+                    tags.iter()
+                        .filter_map(|tag| tag.as_str())
+                        .any(|tag| tag.to_lowercase().contains(&wanted))
+                })
+                .unwrap_or(false)
+        {
+            return false;
+        }
+    }
+
+    true
+}
+
+async fn load_item(ctx: &AppContext, id: i32) -> Result<Model> {
+    let item = Entity::find_by_id(id).one(&ctx.db).await?;
+    item.ok_or(Error::NotFound)
+}
+
+async fn load_item_by_slug_once(ctx: &AppContext, slug: &str) -> Result<Option<Model>> {
+    Entity::find()
+        .filter(Column::Slug.eq(slug))
+        .one(&ctx.db)
+        .await
+        .map_err(Into::into)
+}
+
+async fn resolve_post_by_slug(ctx: &AppContext, slug: &str) -> Result<Model> {
+    let mut current_slug = normalize_slug_key(slug);
+    if current_slug.is_empty() {
+        return Err(Error::NotFound);
+    }
+
+    let mut visited = HashSet::new();
+
+    loop {
+        if !visited.insert(current_slug.clone()) {
+            return Err(Error::NotFound);
+        }
+
+        if let Some(post) = load_item_by_slug_once(ctx, &current_slug).await? {
+            let next_slug = post
+                .redirect_to
+                .as_deref()
+                .map(normalize_slug_key)
+                .filter(|value| !value.is_empty() && *value != post.slug);
+
+            if let Some(next_slug) = next_slug {
+                current_slug = next_slug;
+                continue;
+            }
+
+            return Ok(post);
+        }
+
+        let candidates = Entity::find().all(&ctx.db).await?;
+        let Some(candidate) = candidates.into_iter().find(|item| {
+            content::post_redirects_from_json(&item.redirect_from)
+                .into_iter()
+                .any(|redirect| redirect.eq_ignore_ascii_case(&current_slug))
+        }) else {
+            return Err(Error::NotFound);
+        };
+
+        let next_slug = candidate
+            .redirect_to
+            .as_deref()
+            .map(normalize_slug_key)
+            .filter(|value| !value.is_empty())
+            .unwrap_or_else(|| candidate.slug.clone());
+
+        if next_slug == candidate.slug {
+            return Ok(candidate);
+        }
+
+        current_slug = next_slug;
+    }
+}

 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Params {
@@ -21,6 +320,15 @@ pub struct Params {
    pub image: Option<String>,
    pub images: Option<serde_json::Value>,
    pub pinned: Option<bool>,
+    pub status: Option<String>,
+    pub visibility: Option<String>,
+    pub publish_at: Option<String>,
+    pub unpublish_at: Option<String>,
+    pub canonical_url: Option<String>,
+    pub noindex: Option<bool>,
+    pub og_image: Option<String>,
+    pub redirect_from: Option<serde_json::Value>,
+    pub redirect_to: Option<String>,
 }

 impl Params {
@@ -35,6 +343,27 @@ impl Params {
        item.image = Set(self.image.clone());
        item.images = Set(self.images.clone());
        item.pinned = Set(self.pinned);
+        item.status = Set(self.status.clone().map(|value| requested_status(Some(value), None)));
+        item.visibility = Set(
+            self.visibility
+                .clone()
+                .map(|value| normalize_visibility(Some(value))),
+        );
+        item.publish_at = Set(
+            self.publish_at
+                .clone()
+                .and_then(|value| chrono::DateTime::parse_from_rfc3339(value.trim()).ok()),
+        );
+        item.unpublish_at = Set(
+            self.unpublish_at
+                .clone()
+                .and_then(|value| chrono::DateTime::parse_from_rfc3339(value.trim()).ok()),
+        );
+        item.canonical_url = Set(self.canonical_url.clone());
+        item.noindex = Set(self.noindex);
+        item.og_image = Set(self.og_image.clone());
+        item.redirect_from = Set(self.redirect_from.clone());
+        item.redirect_to = Set(self.redirect_to.clone());
    }
 }

@@ -47,6 +376,24 @@ pub struct ListQuery {
    #[serde(alias = "type")]
    pub post_type: Option<String>,
    pub pinned: Option<bool>,
+    pub status: Option<String>,
+    pub visibility: Option<String>,
+    #[serde(default, deserialize_with = "deserialize_boolish_option")]
+    pub listed_only: Option<bool>,
+    #[serde(default, deserialize_with = "deserialize_boolish_option")]
+    pub include_private: Option<bool>,
+    #[serde(default, deserialize_with = "deserialize_boolish_option")]
+    pub include_redirects: Option<bool>,
+    #[serde(default, deserialize_with = "deserialize_boolish_option")]
+    pub preview: Option<bool>,
+}
+
+#[derive(Clone, Debug, Default, Deserialize)]
+pub struct LookupQuery {
+    #[serde(default, deserialize_with = "deserialize_boolish_option")]
+    pub preview: Option<bool>,
+    #[serde(default, deserialize_with = "deserialize_boolish_option")]
+    pub include_private: Option<bool>,
 }

 #[derive(Clone, Debug, Deserialize)]
@@ -66,6 +413,15 @@ pub struct MarkdownCreateParams {
    pub image: Option<String>,
    pub images: Option<Vec<String>>,
    pub pinned: Option<bool>,
+    pub status: Option<String>,
+    pub visibility: Option<String>,
+    pub publish_at: Option<String>,
+    pub unpublish_at: Option<String>,
+    pub canonical_url: Option<String>,
+    pub noindex: Option<bool>,
+    pub og_image: Option<String>,
+    pub redirect_from: Option<Vec<String>>,
+    pub redirect_to: Option<String>,
    pub published: Option<bool>,
 }

@@ -88,174 +444,211 @@ pub struct MarkdownImportResponse {
    pub slugs: Vec<String>,
 }

-async fn load_item(ctx: &AppContext, id: i32) -> Result<Model> {
-    let item = Entity::find_by_id(id).one(&ctx.db).await?;
-    item.ok_or_else(|| Error::NotFound)
-}
-
-async fn load_item_by_slug(ctx: &AppContext, slug: &str) -> Result<Model> {
-    let item = Entity::find()
-        .filter(Column::Slug.eq(slug))
-        .one(&ctx.db)
-        .await?;
-
-    item.ok_or_else(|| Error::NotFound)
-}
-
-fn post_has_tag(post: &Model, wanted_tag: &str) -> bool {
-    let wanted = wanted_tag.trim().to_lowercase();
-
-    post.tags
-        .as_ref()
-        .and_then(|value| value.as_array())
-        .map(|tags| {
-            tags.iter().filter_map(|tag| tag.as_str()).any(|tag| {
-                let normalized = tag.trim().to_lowercase();
-                normalized == wanted
-            })
-        })
-        .unwrap_or(false)
-}
-
 #[debug_handler]
 pub async fn list(
    Query(query): Query<ListQuery>,
    State(ctx): State<AppContext>,
+    headers: HeaderMap,
 ) -> Result<Response> {
    content::sync_markdown_posts(&ctx).await?;

+    let preview = request_preview_mode(query.preview, &headers);
+    let include_private = preview && query.include_private.unwrap_or(true);
+    let include_redirects = query.include_redirects.unwrap_or(preview);
+
    let posts = Entity::find()
        .order_by_desc(Column::CreatedAt)
        .all(&ctx.db)
        .await?;

-    let filtered: Vec<Model> = posts
+    let filtered = posts
        .into_iter()
-        .filter(|post| {
-            if let Some(slug) = &query.slug {
-                if post.slug != *slug {
-                    return false;
-                }
-            }
-
-            if let Some(category) = &query.category {
-                if post
-                    .category
-                    .as_deref()
-                    .map(|value| !value.eq_ignore_ascii_case(category))
-                    .unwrap_or(true)
-                {
-                    return false;
-                }
-            }
-
-            if let Some(post_type) = &query.post_type {
-                if post
-                    .post_type
-                    .as_deref()
-                    .map(|value| !value.eq_ignore_ascii_case(post_type))
-                    .unwrap_or(true)
-                {
-                    return false;
-                }
-            }
-
-            if let Some(pinned) = query.pinned {
-                if post.pinned.unwrap_or(false) != pinned {
-                    return false;
-                }
-            }
-
-            if let Some(tag) = &query.tag {
-                if !post_has_tag(post, tag) {
-                    return false;
-                }
-            }
-
-            if let Some(search) = &query.search {
-                let wanted = search.trim().to_lowercase();
-                let haystack = [
-                    post.title.as_deref().unwrap_or_default(),
-                    post.description.as_deref().unwrap_or_default(),
-                    post.content.as_deref().unwrap_or_default(),
-                    post.category.as_deref().unwrap_or_default(),
-                    &post.slug,
-                ]
-                .join("\n")
-                .to_lowercase();
-
-                if !haystack.contains(&wanted)
-                    && !post
-                        .tags
-                        .as_ref()
-                        .and_then(|value| value.as_array())
-                        .map(|tags| {
-                            tags.iter()
-                                .filter_map(|tag| tag.as_str())
-                                .any(|tag| tag.to_lowercase().contains(&wanted))
-                        })
-                        .unwrap_or(false)
-                {
-                    return false;
-                }
-            }
-
-            true
-        })
-        .collect();
+        .filter(|post| should_include_post(post, &query, preview, include_private, include_redirects))
+        .collect::<Vec<_>>();

    format::json(filtered)
 }

 #[debug_handler]
-pub async fn add(State(ctx): State<AppContext>, Json(params): Json<Params>) -> Result<Response> {
+pub async fn add(
+    headers: HeaderMap,
+    State(ctx): State<AppContext>,
+    Json(params): Json<Params>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
    let mut item = ActiveModel {
        ..Default::default()
    };
    params.update(&mut item);
    let item = item.insert(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.create",
+        "post",
+        Some(item.id.to_string()),
+        Some(item.slug.clone()),
+        None,
+    )
+    .await?;
    format::json(item)
 }

 #[debug_handler]
 pub async fn update(
+    headers: HeaderMap,
    Path(id): Path<i32>,
    State(ctx): State<AppContext>,
    Json(params): Json<Params>,
 ) -> Result<Response> {
-    let item = load_item(&ctx, id).await?;
-    let mut item = item.into_active_model();
+    let actor = check_auth(&headers)?;
+    let previous = load_item(&ctx, id).await?;
+    let was_public = content::is_post_listed_publicly(&previous, Utc::now().fixed_offset());
+    let previous_slug = previous.slug.clone();
+
+    let mut item = previous.into_active_model();
    params.update(&mut item);
    let item = item.update(&ctx.db).await?;
+    let is_public = content::is_post_listed_publicly(&item, Utc::now().fixed_offset());
+
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.update",
+        "post",
+        Some(item.id.to_string()),
+        Some(item.slug.clone()),
+        Some(serde_json::json!({
+            "previous_slug": previous_slug,
+            "published": is_public,
+        })),
+    )
+    .await?;
+
+    if is_public && !was_public {
+        let post = content::MarkdownPost {
+            title: item.title.clone().unwrap_or_else(|| item.slug.clone()),
+            slug: item.slug.clone(),
+            description: item.description.clone(),
+            content: item.content.clone().unwrap_or_default(),
+            category: item.category.clone(),
+            tags: item
+                .tags
+                .as_ref()
+                .and_then(|value| value.as_array())
+                .cloned()
+                .unwrap_or_default()
+                .into_iter()
+                .filter_map(|tag| tag.as_str().map(ToString::to_string))
+                .collect(),
+            post_type: item.post_type.clone().unwrap_or_else(|| "article".to_string()),
+            image: item.image.clone(),
+            images: item
+                .images
+                .as_ref()
+                .and_then(|value| value.as_array())
+                .cloned()
+                .unwrap_or_default()
+                .into_iter()
+                .filter_map(|tag| tag.as_str().map(ToString::to_string))
+                .collect(),
+            pinned: item.pinned.unwrap_or(false),
+            status: item.status.clone().unwrap_or_else(|| content::POST_STATUS_PUBLISHED.to_string()),
+            visibility: item
+                .visibility
+                .clone()
+                .unwrap_or_else(|| content::POST_VISIBILITY_PUBLIC.to_string()),
+            publish_at: item.publish_at.map(|value| value.to_rfc3339()),
+            unpublish_at: item.unpublish_at.map(|value| value.to_rfc3339()),
+            canonical_url: item.canonical_url.clone(),
+            noindex: item.noindex.unwrap_or(false),
+            og_image: item.og_image.clone(),
+            redirect_from: content::post_redirects_from_json(&item.redirect_from),
+            redirect_to: item.redirect_to.clone(),
+            file_path: content::markdown_post_path(&item.slug)
+                .to_string_lossy()
+                .to_string(),
+        };
+        let _ = subscriptions::notify_post_published(&ctx, &post).await;
+    }
+
    format::json(item)
 }

 #[debug_handler]
-pub async fn remove(Path(id): Path<i32>, State(ctx): State<AppContext>) -> Result<Response> {
-    load_item(&ctx, id).await?.delete(&ctx.db).await?;
+pub async fn remove(
+    headers: HeaderMap,
+    Path(id): Path<i32>,
+    State(ctx): State<AppContext>,
+) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let item = load_item(&ctx, id).await?;
+    let slug = item.slug.clone();
+    item.delete(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.delete",
+        "post",
+        Some(id.to_string()),
+        Some(slug),
+        None,
+    )
+    .await?;
    format::empty()
 }

 #[debug_handler]
-pub async fn get_one(Path(id): Path<i32>, State(ctx): State<AppContext>) -> Result<Response> {
+pub async fn get_one(
+    Path(id): Path<i32>,
+    Query(query): Query<LookupQuery>,
+    State(ctx): State<AppContext>,
+    headers: HeaderMap,
+) -> Result<Response> {
    content::sync_markdown_posts(&ctx).await?;
-    format::json(load_item(&ctx, id).await?)
+    let preview = request_preview_mode(query.preview, &headers);
+    let post = load_item(&ctx, id).await?;
+
+    if !preview && !publicly_accessible(&post) {
+        return Err(Error::NotFound);
+    }
+
+    format::json(post)
 }

 #[debug_handler]
 pub async fn get_by_slug(
    Path(slug): Path<String>,
+    Query(query): Query<LookupQuery>,
    State(ctx): State<AppContext>,
+    headers: HeaderMap,
 ) -> Result<Response> {
    content::sync_markdown_posts(&ctx).await?;
-    format::json(load_item_by_slug(&ctx, &slug).await?)
+    let preview = request_preview_mode(query.preview, &headers);
+    let include_private = preview && query.include_private.unwrap_or(true);
+    let post = resolve_post_by_slug(&ctx, &slug).await?;
+
+    if !preview && !publicly_accessible(&post) {
+        return Err(Error::NotFound);
+    }
+
+    if !include_private
+        && content::normalize_post_visibility(post.visibility.as_deref())
+            == content::POST_VISIBILITY_PRIVATE
+    {
+        return Err(Error::NotFound);
+    }
+
+    format::json(post)
 }

 #[debug_handler]
 pub async fn get_markdown_by_slug(
+    headers: HeaderMap,
    Path(slug): Path<String>,
    State(ctx): State<AppContext>,
 ) -> Result<Response> {
+    check_auth(&headers)?;
    content::sync_markdown_posts(&ctx).await?;
    let (path, markdown) = content::read_markdown_document(&slug)?;
    format::json(MarkdownDocumentResponse {
@@ -267,12 +660,43 @@ pub async fn get_markdown_by_slug(

 #[debug_handler]
 pub async fn update_markdown_by_slug(
+    headers: HeaderMap,
    Path(slug): Path<String>,
    State(ctx): State<AppContext>,
    Json(params): Json<MarkdownUpdateParams>,
 ) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let _ = post_revisions::capture_current_snapshot(
+        &ctx,
+        Some(&actor),
+        &slug,
+        "update",
+        Some("保存文章前的自动快照"),
+        None,
+    )
+    .await?;
    let updated = content::write_markdown_document(&ctx, &slug, &params.markdown).await?;
    let (path, markdown) = content::read_markdown_document(&updated.slug)?;
+    let _ = post_revisions::capture_snapshot_from_markdown(
+        &ctx,
+        Some(&actor),
+        &updated.slug,
+        &markdown,
+        "saved",
+        Some("保存后的当前版本"),
+        None,
+    )
+    .await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.markdown.update",
+        "post",
+        None,
+        Some(updated.slug.clone()),
+        None,
+    )
+    .await?;

    format::json(MarkdownDocumentResponse {
        slug: updated.slug,
@@ -283,9 +707,11 @@ pub async fn update_markdown_by_slug(

 #[debug_handler]
 pub async fn create_markdown(
+    headers: HeaderMap,
    State(ctx): State<AppContext>,
    Json(params): Json<MarkdownCreateParams>,
 ) -> Result<Response> {
+    let actor = check_auth(&headers)?;
    let title = params.title.trim();
    if title.is_empty() {
        return Err(Error::BadRequest("title is required".to_string()));
@@ -305,11 +731,42 @@ pub async fn create_markdown(
            image: params.image,
            images: params.images.unwrap_or_default(),
            pinned: params.pinned.unwrap_or(false),
-            published: params.published.unwrap_or(true),
+            status: requested_status(params.status, params.published),
+            visibility: normalize_visibility(params.visibility),
+            publish_at: params.publish_at,
+            unpublish_at: params.unpublish_at,
+            canonical_url: params.canonical_url,
+            noindex: params.noindex.unwrap_or(false),
+            og_image: params.og_image,
+            redirect_from: params.redirect_from.unwrap_or_default(),
+            redirect_to: params.redirect_to,
        },
    )
    .await?;
    let (path, markdown) = content::read_markdown_document(&created.slug)?;
+    let _ = post_revisions::capture_snapshot_from_markdown(
+        &ctx,
+        Some(&actor),
+        &created.slug,
+        &markdown,
+        "create",
+        Some("新建文章"),
+        None,
+    )
+    .await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.markdown.create",
+        "post",
+        None,
+        Some(created.slug.clone()),
+        None,
+    )
+    .await?;
+    if markdown_post_listed_publicly(&created) {
+        let _ = subscriptions::notify_post_published(&ctx, &created).await;
+    }

    format::json(MarkdownDocumentResponse {
        slug: created.slug,
@@ -320,9 +777,11 @@ pub async fn create_markdown(

 #[debug_handler]
 pub async fn import_markdown(
+    headers: HeaderMap,
    State(ctx): State<AppContext>,
    mut multipart: Multipart,
 ) -> Result<Response> {
+    let actor = check_auth(&headers)?;
    let mut files = Vec::new();

    while let Some(field) = multipart
@@ -345,6 +804,35 @@ pub async fn import_markdown(
    }

    let imported = content::import_markdown_documents(&ctx, files).await?;
+    for item in &imported {
+        if let Ok((_path, markdown)) = content::read_markdown_document(&item.slug) {
+            let _ = post_revisions::capture_snapshot_from_markdown(
+                &ctx,
+                Some(&actor),
+                &item.slug,
+                &markdown,
+                "import",
+                Some("批量导入 Markdown"),
+                None,
+            )
+            .await;
+        }
+        if markdown_post_listed_publicly(item) {
+            let _ = subscriptions::notify_post_published(&ctx, item).await;
+        }
+    }
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.markdown.import",
+        "post_import",
+        None,
+        Some(format!("{} files", imported.len())),
+        Some(serde_json::json!({
+            "slugs": imported.iter().map(|item| item.slug.clone()).collect::<Vec<_>>(),
+        })),
+    )
+    .await?;

    format::json(MarkdownImportResponse {
        count: imported.len(),
@@ -354,10 +842,31 @@ pub async fn import_markdown(

 #[debug_handler]
 pub async fn delete_markdown_by_slug(
+    headers: HeaderMap,
    Path(slug): Path<String>,
    State(ctx): State<AppContext>,
 ) -> Result<Response> {
+    let actor = check_auth(&headers)?;
+    let _ = post_revisions::capture_current_snapshot(
+        &ctx,
+        Some(&actor),
+        &slug,
+        "delete",
+        Some("删除前自动快照"),
+        None,
+    )
+    .await?;
    content::delete_markdown_post(&ctx, &slug).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "post.markdown.delete",
+        "post",
+        None,
+        Some(slug.clone()),
+        None,
+    )
+    .await?;
    format::json(MarkdownDeleteResponse {
        slug,
        deleted: true,
--- a/backend/src/controllers/review.rs
+++ b/backend/src/controllers/review.rs
@@ -1,11 +1,15 @@
-use axum::extract::{Path, State};
+use axum::{
+    extract::{Path, State},
+    http::HeaderMap,
+};
 use loco_rs::prelude::*;
 use sea_orm::{EntityTrait, QueryOrder, Set};
 use serde::{Deserialize, Serialize};

 use crate::{
+    controllers::admin::check_auth,
    models::_entities::reviews::{self, Entity as ReviewEntity},
-    services::storage,
+    services::{admin_audit, storage},
 };

 #[derive(Serialize, Deserialize, Debug)]
@@ -56,9 +60,11 @@ pub async fn get_one(
 }

 pub async fn create(
+    headers: HeaderMap,
    State(ctx): State<AppContext>,
    Json(req): Json<CreateReviewRequest>,
 ) -> Result<impl IntoResponse> {
+    let actor = check_auth(&headers)?;
    let new_review = reviews::ActiveModel {
        title: Set(Some(req.title)),
        review_type: Set(Some(req.review_type)),
@@ -76,14 +82,26 @@ pub async fn create(
    };

    let review = new_review.insert(&ctx.db).await?;
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "review.create",
+        "review",
+        Some(review.id.to_string()),
+        review.title.clone(),
+        None,
+    )
+    .await?;
    format::json(review)
 }

 pub async fn update(
+    headers: HeaderMap,
    Path(id): Path<i32>,
    State(ctx): State<AppContext>,
    Json(req): Json<UpdateReviewRequest>,
 ) -> Result<impl IntoResponse> {
+    let actor = check_auth(&headers)?;
    let review = ReviewEntity::find_by_id(id).one(&ctx.db).await?;

    let Some(existing_review) = review else {
@@ -132,24 +150,47 @@ pub async fn update(
            tracing::warn!("failed to cleanup replaced review cover: {error}");
        }
    }
+    admin_audit::log_event(
+        &ctx,
+        Some(&actor),
+        "review.update",
+        "review",
+        Some(review.id.to_string()),
+        review.title.clone(),
+        None,
+    )
+    .await?;
    format::json(review)
 }

 pub async fn remove(
+    headers: HeaderMap,
    Path(id): Path<i32>,
    State(ctx): State<AppContext>,
 ) -> Result<impl IntoResponse> {
+    let actor = check_auth(&headers)?;
    let review = ReviewEntity::find_by_id(id).one(&ctx.db).await?;

    match review {
        Some(r) => {
            let cover = r.cover.clone();
+            let title = r.title.clone();
            r.delete(&ctx.db).await?;
            if let Some(cover) = cover.filter(|value| !value.trim().is_empty()) {
                if let Err(error) = storage::delete_managed_url(&ctx, &cover).await {
                    tracing::warn!("failed to cleanup deleted review cover: {error}");
                }
            }
+            admin_audit::log_event(
+                &ctx,
+                Some(&actor),
+                "review.delete",
+                "review",
+                Some(id.to_string()),
+                title,
+                None,
+            )
+            .await?;
            format::empty()
        }
        None => Err(Error::NotFound),
--- a/backend/src/controllers/search.rs
+++ b/backend/src/controllers/search.rs
@@ -1,12 +1,14 @@
 use axum::http::HeaderMap;
 use loco_rs::prelude::*;
-use sea_orm::{ConnectionTrait, DatabaseBackend, DbBackend, FromQueryResult, Statement};
 use serde::{Deserialize, Deserializer, Serialize};
 use serde_json::Value;
-use std::time::Instant;
+use std::{collections::HashSet, time::Instant};

-use crate::models::_entities::posts;
-use crate::services::{analytics, content};
+use crate::{
+    controllers::site_settings,
+    models::_entities::posts,
+    services::{abuse_guard, analytics, content},
+};

 fn deserialize_boolish_option<'de, D>(
    deserializer: D,
@@ -26,6 +28,243 @@ where
    .transpose()
 }

+fn normalize_text(value: &str) -> String {
+    value
+        .split_whitespace()
+        .collect::<Vec<_>>()
+        .join(" ")
+        .trim()
+        .to_ascii_lowercase()
+}
+
+fn tokenize(value: &str) -> Vec<String> {
+    value
+        .split(|ch: char| !ch.is_alphanumeric() && ch != '-' && ch != '_')
+        .map(normalize_text)
+        .filter(|item| !item.is_empty())
+        .collect()
+}
+
+fn levenshtein_distance(left: &str, right: &str) -> usize {
+    if left == right {
+        return 0;
+    }
+    if left.is_empty() {
+        return right.chars().count();
+    }
+    if right.is_empty() {
+        return left.chars().count();
+    }
+
+    let right_chars = right.chars().collect::<Vec<_>>();
+    let mut prev = (0..=right_chars.len()).collect::<Vec<_>>();
+
+    for (i, left_ch) in left.chars().enumerate() {
+        let mut curr = vec![i + 1; right_chars.len() + 1];
+        for (j, right_ch) in right_chars.iter().enumerate() {
+            let cost = usize::from(left_ch != *right_ch);
+            curr[j + 1] = (curr[j] + 1)
+                .min(prev[j + 1] + 1)
+                .min(prev[j] + cost);
+        }
+        prev = curr;
+    }
+
+    prev[right_chars.len()]
+}
+
+fn parse_synonym_groups(value: &Option<Value>) -> Vec<Vec<String>> {
+    value
+        .as_ref()
+        .and_then(Value::as_array)
+        .cloned()
+        .unwrap_or_default()
+        .into_iter()
+        .filter_map(|item| item.as_str().map(ToString::to_string))
+        .map(|item| {
+            let normalized = item.replace("=>", ",").replace('|', ",");
+            normalized
+                .split([',', '，'])
+                .map(normalize_text)
+                .filter(|token| !token.is_empty())
+                .collect::<Vec<_>>()
+        })
+        .filter(|group| !group.is_empty())
+        .collect()
+}
+
+fn expand_search_terms(query: &str, synonym_groups: &[Vec<String>]) -> Vec<String> {
+    let normalized_query = normalize_text(query);
+    let query_tokens = tokenize(query);
+    let mut expanded = Vec::new();
+    let mut seen = HashSet::new();
+
+    if !normalized_query.is_empty() && seen.insert(normalized_query.clone()) {
+        expanded.push(normalized_query.clone());
+    }
+
+    for token in &query_tokens {
+        if seen.insert(token.clone()) {
+            expanded.push(token.clone());
+        }
+    }
+
+    for group in synonym_groups {
+        let matched = group.iter().any(|item| {
+            *item == normalized_query
+                || query_tokens.iter().any(|token| token == item)
+                || normalized_query.contains(item)
+        });
+
+        if matched {
+            for token in group {
+                if seen.insert(token.clone()) {
+                    expanded.push(token.clone());
+                }
+            }
+        }
+    }
+
+    expanded
+}
+
+fn candidate_terms(posts: &[posts::Model]) -> Vec<String> {
+    let mut seen = HashSet::new();
+    let mut candidates = Vec::new();
+
+    for post in posts {
+        for source in [
+            post.title.as_deref().unwrap_or_default(),
+            post.category.as_deref().unwrap_or_default(),
+            &post.slug,
+        ] {
+            for token in tokenize(source) {
+                if token.len() >= 3 && seen.insert(token.clone()) {
+                    candidates.push(token);
+                }
+            }
+        }
+
+        if let Some(tags) = post.tags.as_ref().and_then(Value::as_array) {
+            for token in tags.iter().filter_map(Value::as_str).flat_map(tokenize) {
+                if token.len() >= 2 && seen.insert(token.clone()) {
+                    candidates.push(token);
+                }
+            }
+        }
+    }
+
+    candidates
+}
+
+fn find_spelling_fallback(query: &str, posts: &[posts::Model], synonym_groups: &[Vec<String>]) -> Vec<String> {
+    let primary_token = tokenize(query).into_iter().next().unwrap_or_default();
+    if primary_token.len() < 3 {
+        return Vec::new();
+    }
+
+    let mut nearest = candidate_terms(posts)
+        .into_iter()
+        .map(|candidate| {
+            let distance = levenshtein_distance(&primary_token, &candidate);
+            (candidate, distance)
+        })
+        .filter(|(_, distance)| *distance <= 2)
+        .collect::<Vec<_>>();
+    nearest.sort_by(|left, right| left.1.cmp(&right.1).then_with(|| left.0.cmp(&right.0)));
+
+    nearest
+        .into_iter()
+        .take(3)
+        .flat_map(|(candidate, _)| expand_search_terms(&candidate, synonym_groups))
+        .collect()
+}
+
+fn post_has_tag(post: &posts::Model, wanted_tag: &str) -> bool {
+    let wanted = normalize_text(wanted_tag);
+
+    post.tags
+        .as_ref()
+        .and_then(Value::as_array)
+        .map(|tags| {
+            tags.iter()
+                .filter_map(Value::as_str)
+                .map(normalize_text)
+                .any(|tag| tag == wanted)
+        })
+        .unwrap_or(false)
+}
+
+fn score_post(post: &posts::Model, query: &str, terms: &[String]) -> f64 {
+    let normalized_query = normalize_text(query);
+    let title = normalize_text(post.title.as_deref().unwrap_or_default());
+    let description = normalize_text(post.description.as_deref().unwrap_or_default());
+    let content_text = normalize_text(post.content.as_deref().unwrap_or_default());
+    let category = normalize_text(post.category.as_deref().unwrap_or_default());
+    let slug = normalize_text(&post.slug);
+    let tags = post
+        .tags
+        .as_ref()
+        .and_then(Value::as_array)
+        .cloned()
+        .unwrap_or_default()
+        .into_iter()
+        .filter_map(|item| item.as_str().map(normalize_text))
+        .collect::<Vec<_>>();
+
+    let mut score = 0.0;
+
+    if !normalized_query.is_empty() {
+        if title.contains(&normalized_query) {
+            score += 6.0;
+        }
+        if description.contains(&normalized_query) {
+            score += 4.0;
+        }
+        if slug.contains(&normalized_query) {
+            score += 4.0;
+        }
+        if category.contains(&normalized_query) {
+            score += 3.0;
+        }
+        if tags.iter().any(|tag| tag.contains(&normalized_query)) {
+            score += 4.0;
+        }
+        if content_text.contains(&normalized_query) {
+            score += 2.0;
+        }
+    }
+
+    for term in terms {
+        if term.is_empty() {
+            continue;
+        }
+
+        if title.contains(term) {
+            score += 3.5;
+        }
+        if description.contains(term) {
+            score += 2.2;
+        }
+        if slug.contains(term) {
+            score += 2.0;
+        }
+        if category.contains(term) {
+            score += 1.8;
+        }
+        if tags.iter().any(|tag| tag == term) {
+            score += 2.5;
+        } else if tags.iter().any(|tag| tag.contains(term)) {
+            score += 1.5;
+        }
+        if content_text.contains(term) {
+            score += 0.8;
+        }
+    }
+
+    score
+}
+
 fn is_preview_search(query: &SearchQuery, headers: &HeaderMap) -> bool {
    query.preview.unwrap_or(false)
        || headers
@@ -39,11 +278,15 @@ fn is_preview_search(query: &SearchQuery, headers: &HeaderMap) -> bool {
 pub struct SearchQuery {
    pub q: Option<String>,
    pub limit: Option<u64>,
+    pub category: Option<String>,
+    pub tag: Option<String>,
+    #[serde(alias = "type")]
+    pub post_type: Option<String>,
    #[serde(default, deserialize_with = "deserialize_boolish_option")]
    pub preview: Option<bool>,
 }

-#[derive(Clone, Debug, Serialize, FromQueryResult)]
+#[derive(Clone, Debug, Serialize)]
 pub struct SearchResult {
    pub id: i32,
    pub title: Option<String>,
@@ -59,131 +302,6 @@ pub struct SearchResult {
    pub rank: f64,
 }

-fn search_sql() -> &'static str {
-    r#"
-    SELECT
-        p.id,
-        p.title,
-        p.slug,
-        p.description,
-        p.content,
-        p.category,
-        p.tags,
-        p.post_type,
-        p.pinned,
-        p.created_at,
-        p.updated_at,
-        ts_rank_cd(
-            setweight(to_tsvector('simple', coalesce(p.title, '')), 'A') ||
-            setweight(to_tsvector('simple', coalesce(p.description, '')), 'B') ||
-            setweight(to_tsvector('simple', coalesce(p.category, '')), 'C') ||
-            setweight(to_tsvector('simple', coalesce(p.tags::text, '')), 'C') ||
-            setweight(to_tsvector('simple', coalesce(p.content, '')), 'D'),
-            plainto_tsquery('simple', $1)
-        )::float8 AS rank
-    FROM posts p
-    WHERE (
-        setweight(to_tsvector('simple', coalesce(p.title, '')), 'A') ||
-        setweight(to_tsvector('simple', coalesce(p.description, '')), 'B') ||
-        setweight(to_tsvector('simple', coalesce(p.category, '')), 'C') ||
-        setweight(to_tsvector('simple', coalesce(p.tags::text, '')), 'C') ||
-        setweight(to_tsvector('simple', coalesce(p.content, '')), 'D')
-    ) @@ plainto_tsquery('simple', $1)
-    ORDER BY rank DESC, p.created_at DESC
-    LIMIT $2
-    "#
-}
-
-fn app_level_rank(post: &posts::Model, wanted: &str) -> f64 {
-    let wanted_lower = wanted.to_lowercase();
-    let mut rank = 0.0;
-
-    if post
-        .title
-        .as_deref()
-        .unwrap_or_default()
-        .to_lowercase()
-        .contains(&wanted_lower)
-    {
-        rank += 4.0;
-    }
-
-    if post
-        .description
-        .as_deref()
-        .unwrap_or_default()
-        .to_lowercase()
-        .contains(&wanted_lower)
-    {
-        rank += 2.5;
-    }
-
-    if post
-        .content
-        .as_deref()
-        .unwrap_or_default()
-        .to_lowercase()
-        .contains(&wanted_lower)
-    {
-        rank += 1.0;
-    }
-
-    if post
-        .category
-        .as_deref()
-        .unwrap_or_default()
-        .to_lowercase()
-        .contains(&wanted_lower)
-    {
-        rank += 1.5;
-    }
-
-    if post
-        .tags
-        .as_ref()
-        .and_then(Value::as_array)
-        .map(|tags| {
-            tags.iter()
-                .filter_map(Value::as_str)
-                .any(|tag| tag.to_lowercase().contains(&wanted_lower))
-        })
-        .unwrap_or(false)
-    {
-        rank += 2.0;
-    }
-
-    rank
-}
-
-async fn fallback_search(ctx: &AppContext, q: &str, limit: u64) -> Result<Vec<SearchResult>> {
-    let mut results = posts::Entity::find().all(&ctx.db).await?;
-    results.sort_by(|left, right| right.created_at.cmp(&left.created_at));
-
-    Ok(results
-        .into_iter()
-        .map(|post| {
-            let rank = app_level_rank(&post, q);
-            (post, rank)
-        })
-        .filter(|(_, rank)| *rank > 0.0)
-        .take(limit as usize)
-        .map(|(post, rank)| SearchResult {
-            id: post.id,
-            title: post.title,
-            slug: post.slug,
-            description: post.description,
-            content: post.content,
-            category: post.category,
-            tags: post.tags,
-            post_type: post.post_type,
-            pinned: post.pinned,
-            created_at: post.created_at.into(),
-            updated_at: post.updated_at.into(),
-            rank,
-        })
-        .collect())
-}
-
 #[debug_handler]
 pub async fn search(
    Query(query): Query<SearchQuery>,
@@ -199,26 +317,107 @@ pub async fn search(
        return format::json(Vec::<SearchResult>::new());
    }

-    let limit = query.limit.unwrap_or(20).clamp(1, 100);
+    if !preview_search {
+        abuse_guard::enforce_public_scope(
+            "search",
+            abuse_guard::detect_client_ip(&headers).as_deref(),
+            Some(&q),
+        )?;
+    }

-    let results = if ctx.db.get_database_backend() == DatabaseBackend::Postgres {
-        let statement = Statement::from_sql_and_values(
-            DbBackend::Postgres,
-            search_sql(),
-            [q.clone().into(), (limit as i64).into()],
-        );
+    let limit = query.limit.unwrap_or(20).clamp(1, 100) as usize;
+    let settings = site_settings::load_current(&ctx).await.ok();
+    let synonym_groups = settings
+        .as_ref()
+        .map(|item| parse_synonym_groups(&item.search_synonyms))
+        .unwrap_or_default();

-        match SearchResult::find_by_statement(statement)
-            .all(&ctx.db)
-            .await
-        {
-            Ok(rows) if !rows.is_empty() => rows,
-            Ok(_) => fallback_search(&ctx, &q, limit).await?,
-            Err(_) => fallback_search(&ctx, &q, limit).await?,
+    let mut all_posts = posts::Entity::find()
+        .all(&ctx.db)
+        .await?
+        .into_iter()
+        .filter(|post| {
+            preview_search
+                || content::is_post_listed_publicly(post, chrono::Utc::now().fixed_offset())
+        })
+        .collect::<Vec<_>>();
+
+    if let Some(category) = query.category.as_deref().map(str::trim).filter(|value| !value.is_empty()) {
+        all_posts.retain(|post| {
+            post.category
+                .as_deref()
+                .map(|value| value.eq_ignore_ascii_case(category))
+                .unwrap_or(false)
+        });
+    }
+
+    if let Some(tag) = query.tag.as_deref().map(str::trim).filter(|value| !value.is_empty()) {
+        all_posts.retain(|post| post_has_tag(post, tag));
+    }
+
+    if let Some(post_type) = query.post_type.as_deref().map(str::trim).filter(|value| !value.is_empty()) {
+        all_posts.retain(|post| {
+            post.post_type
+                .as_deref()
+                .map(|value| value.eq_ignore_ascii_case(post_type))
+                .unwrap_or(false)
+        });
+    }
+
+    let mut expanded_terms = expand_search_terms(&q, &synonym_groups);
+    let mut results = all_posts
+        .iter()
+        .map(|post| (post, score_post(post, &q, &expanded_terms)))
+        .filter(|(_, rank)| *rank > 0.0)
+        .map(|(post, rank)| SearchResult {
+            id: post.id,
+            title: post.title.clone(),
+            slug: post.slug.clone(),
+            description: post.description.clone(),
+            content: post.content.clone(),
+            category: post.category.clone(),
+            tags: post.tags.clone(),
+            post_type: post.post_type.clone(),
+            pinned: post.pinned,
+            created_at: post.created_at.into(),
+            updated_at: post.updated_at.into(),
+            rank,
+        })
+        .collect::<Vec<_>>();
+
+    if results.is_empty() {
+        expanded_terms = find_spelling_fallback(&q, &all_posts, &synonym_groups);
+        if !expanded_terms.is_empty() {
+            results = all_posts
+                .iter()
+                .map(|post| (post, score_post(post, &q, &expanded_terms)))
+                .filter(|(_, rank)| *rank > 0.0)
+                .map(|(post, rank)| SearchResult {
+                    id: post.id,
+                    title: post.title.clone(),
+                    slug: post.slug.clone(),
+                    description: post.description.clone(),
+                    content: post.content.clone(),
+                    category: post.category.clone(),
+                    tags: post.tags.clone(),
+                    post_type: post.post_type.clone(),
+                    pinned: post.pinned,
+                    created_at: post.created_at.into(),
+                    updated_at: post.updated_at.into(),
+                    rank,
+                })
+                .collect::<Vec<_>>();
        }
-    } else {
-        fallback_search(&ctx, &q, limit).await?
-    };
+    }
+
+    results.sort_by(|left, right| {
+        right
+            .rank
+            .partial_cmp(&left.rank)
+            .unwrap_or(std::cmp::Ordering::Equal)
+            .then_with(|| right.created_at.cmp(&left.created_at))
+    });
+    results.truncate(limit);

    if !preview_search {
        analytics::record_search_event(
--- a/backend/src/controllers/site_settings.rs
+++ b/backend/src/controllers/site_settings.rs
@@ -2,6 +2,7 @@
 #![allow(clippy::unnecessary_struct_initialization)]
 #![allow(clippy::unused_async)]

+use axum::http::HeaderMap;
 use loco_rs::prelude::*;
 use sea_orm::{ActiveModelTrait, EntityTrait, IntoActiveModel, QueryOrder, Set};
 use serde::{Deserialize, Serialize};
@@ -11,7 +12,9 @@ use uuid::Uuid;
 use crate::{
    controllers::admin::check_auth,
    models::_entities::{
-        categories, friend_links, posts, site_settings::{self, ActiveModel, Entity, Model}, tags,
+        categories, friend_links, posts,
+        site_settings::{self, ActiveModel, Entity, Model},
+        tags,
    },
    services::{ai, content},
 };
@@ -130,6 +133,18 @@ pub struct SiteSettingsPayload {
    pub media_r2_access_key_id: Option<String>,
    #[serde(default, alias = "mediaR2SecretAccessKey")]
    pub media_r2_secret_access_key: Option<String>,
+    #[serde(default, alias = "seoDefaultOgImage")]
+    pub seo_default_og_image: Option<String>,
+    #[serde(default, alias = "seoDefaultTwitterHandle")]
+    pub seo_default_twitter_handle: Option<String>,
+    #[serde(default, alias = "notificationWebhookUrl")]
+    pub notification_webhook_url: Option<String>,
+    #[serde(default, alias = "notificationCommentEnabled")]
+    pub notification_comment_enabled: Option<bool>,
+    #[serde(default, alias = "notificationFriendLinkEnabled")]
+    pub notification_friend_link_enabled: Option<bool>,
+    #[serde(default, alias = "searchSynonyms")]
+    pub search_synonyms: Option<Vec<String>>,
 }

 #[derive(Clone, Debug, Serialize)]
@@ -154,6 +169,8 @@ pub struct PublicSiteSettingsResponse {
    pub music_playlist: Option<serde_json::Value>,
    pub ai_enabled: bool,
    pub paragraph_comments_enabled: bool,
+    pub seo_default_og_image: Option<String>,
+    pub seo_default_twitter_handle: Option<String>,
 }

 #[derive(Clone, Debug, Serialize)]
@@ -171,6 +188,9 @@ pub struct HomePageResponse {
    pub tags: Vec<tags::Model>,
    pub friend_links: Vec<friend_links::Model>,
    pub categories: Vec<HomeCategorySummary>,
+    pub content_overview: crate::services::analytics::ContentAnalyticsOverview,
+    pub popular_posts: Vec<crate::services::analytics::AnalyticsPopularPost>,
+    pub content_ranges: Vec<crate::services::analytics::PublicContentWindowHighlights>,
 }

 fn normalize_optional_string(value: Option<String>) -> Option<String> {
@@ -188,6 +208,13 @@ fn normalize_optional_int(value: Option<i32>, min: i32, max: i32) -> Option<i32>
    value.map(|item| item.clamp(min, max))
 }

+fn normalize_string_list(values: Vec<String>) -> Vec<String> {
+    values
+        .into_iter()
+        .filter_map(|item| normalize_optional_string(Some(item)))
+        .collect()
+}
+
 fn create_ai_provider_id() -> String {
    format!("provider-{}", Uuid::new_v4().simple())
 }
@@ -525,6 +552,27 @@ impl SiteSettingsPayload {
            item.media_r2_secret_access_key =
                normalize_optional_string(Some(media_r2_secret_access_key));
        }
+        if let Some(seo_default_og_image) = self.seo_default_og_image {
+            item.seo_default_og_image = normalize_optional_string(Some(seo_default_og_image));
+        }
+        if let Some(seo_default_twitter_handle) = self.seo_default_twitter_handle {
+            item.seo_default_twitter_handle =
+                normalize_optional_string(Some(seo_default_twitter_handle));
+        }
+        if let Some(notification_webhook_url) = self.notification_webhook_url {
+            item.notification_webhook_url =
+                normalize_optional_string(Some(notification_webhook_url));
+        }
+        if let Some(notification_comment_enabled) = self.notification_comment_enabled {
+            item.notification_comment_enabled = Some(notification_comment_enabled);
+        }
+        if let Some(notification_friend_link_enabled) = self.notification_friend_link_enabled {
+            item.notification_friend_link_enabled = Some(notification_friend_link_enabled);
+        }
+        if let Some(search_synonyms) = self.search_synonyms {
+            let normalized = normalize_string_list(search_synonyms);
+            item.search_synonyms = (!normalized.is_empty()).then(|| serde_json::json!(normalized));
+        }

        if provider_list_supplied {
            write_ai_provider_state(
@@ -631,6 +679,12 @@ fn default_payload() -> SiteSettingsPayload {
        media_r2_public_base_url: None,
        media_r2_access_key_id: None,
        media_r2_secret_access_key: None,
+        seo_default_og_image: None,
+        seo_default_twitter_handle: None,
+        notification_webhook_url: None,
+        notification_comment_enabled: Some(false),
+        notification_friend_link_enabled: Some(false),
+        search_synonyms: Some(Vec::new()),
    }
 }

@@ -680,6 +734,8 @@ fn public_response(model: Model) -> PublicSiteSettingsResponse {
        music_playlist: model.music_playlist,
        ai_enabled: model.ai_enabled.unwrap_or(false),
        paragraph_comments_enabled: model.paragraph_comments_enabled.unwrap_or(true),
+        seo_default_og_image: model.seo_default_og_image,
+        seo_default_twitter_handle: model.seo_default_twitter_handle,
    }
 }

@@ -691,9 +747,13 @@ pub async fn home(State(ctx): State<AppContext>) -> Result<Response> {
    let posts = posts::Entity::find()
        .order_by_desc(posts::Column::CreatedAt)
        .all(&ctx.db)
-        .await?;
+        .await?
+        .into_iter()
+        .filter(|post| content::is_post_listed_publicly(post, chrono::Utc::now().fixed_offset()))
+        .collect::<Vec<_>>();
    let tags = tags::Entity::find().all(&ctx.db).await?;
    let friend_links = friend_links::Entity::find()
+        .filter(friend_links::Column::Status.eq("approved"))
        .order_by_desc(friend_links::Column::CreatedAt)
        .all(&ctx.db)
        .await?;
@@ -722,6 +782,9 @@ pub async fn home(State(ctx): State<AppContext>) -> Result<Response> {
            }
        })
        .collect::<Vec<_>>();
+    let content_highlights =
+        crate::services::analytics::build_public_content_highlights(&ctx, &posts).await?;
+    let content_ranges = crate::services::analytics::build_public_content_windows(&ctx, &posts).await?;

    format::json(HomePageResponse {
        site_settings,
@@ -729,6 +792,9 @@ pub async fn home(State(ctx): State<AppContext>) -> Result<Response> {
        tags,
        friend_links,
        categories,
+        content_overview: content_highlights.overview,
+        popular_posts: content_highlights.popular_posts,
+        content_ranges,
    })
 }

@@ -739,10 +805,11 @@ pub async fn show(State(ctx): State<AppContext>) -> Result<Response> {

 #[debug_handler]
 pub async fn update(
+    headers: HeaderMap,
    State(ctx): State<AppContext>,
    Json(params): Json<SiteSettingsPayload>,
 ) -> Result<Response> {
-    check_auth()?;
+    check_auth(&headers)?;

    let current = load_current(&ctx).await?;
    let mut item = current;
--- a/backend/src/controllers/subscription.rs
+++ b/backend/src/controllers/subscription.rs
@@ -0,0 +1,202 @@
+use loco_rs::prelude::*;
+use serde::{Deserialize, Serialize};
+
+use crate::services::{abuse_guard, admin_audit, subscriptions};
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct PublicSubscriptionPayload {
+    pub email: String,
+    #[serde(default, alias = "displayName")]
+    pub display_name: Option<String>,
+    #[serde(default)]
+    pub source: Option<String>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SubscriptionTokenPayload {
+    pub token: String,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SubscriptionManageQuery {
+    pub token: String,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SubscriptionManageUpdatePayload {
+    pub token: String,
+    #[serde(default, alias = "displayName")]
+    pub display_name: Option<String>,
+    #[serde(default)]
+    pub status: Option<String>,
+    #[serde(default)]
+    pub filters: Option<serde_json::Value>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct PublicSubscriptionResponse {
+    pub ok: bool,
+    pub subscription_id: i32,
+    pub status: String,
+    pub requires_confirmation: bool,
+    pub message: String,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct SubscriptionManageResponse {
+    pub ok: bool,
+    pub subscription: subscriptions::PublicSubscriptionView,
+}
+
+fn public_subscription_metadata(source: Option<String>) -> serde_json::Value {
+    serde_json::json!({
+        "source": source,
+        "kind": "public-form",
+    })
+}
+
+#[debug_handler]
+pub async fn subscribe(
+    State(ctx): State<AppContext>,
+    headers: axum::http::HeaderMap,
+    Json(payload): Json<PublicSubscriptionPayload>,
+) -> Result<Response> {
+    let email = payload.email.trim().to_ascii_lowercase();
+    abuse_guard::enforce_public_scope(
+        "subscription",
+        abuse_guard::detect_client_ip(&headers).as_deref(),
+        Some(&email),
+    )?;
+
+    let result = subscriptions::create_public_email_subscription(
+        &ctx,
+        &email,
+        payload.display_name,
+        Some(public_subscription_metadata(payload.source)),
+    )
+    .await?;
+
+    admin_audit::log_event(
+        &ctx,
+        None,
+        if result.requires_confirmation {
+            "subscription.public.pending"
+        } else {
+            "subscription.public.active"
+        },
+        "subscription",
+        Some(result.subscription.id.to_string()),
+        Some(result.subscription.target.clone()),
+        Some(serde_json::json!({
+            "channel_type": result.subscription.channel_type,
+            "status": result.subscription.status,
+        })),
+    )
+    .await?;
+
+    format::json(PublicSubscriptionResponse {
+        ok: true,
+        subscription_id: result.subscription.id,
+        status: result.subscription.status,
+        requires_confirmation: result.requires_confirmation,
+        message: result.message,
+    })
+}
+
+#[debug_handler]
+pub async fn confirm(
+    State(ctx): State<AppContext>,
+    Json(payload): Json<SubscriptionTokenPayload>,
+) -> Result<Response> {
+    let item = subscriptions::confirm_subscription(&ctx, &payload.token).await?;
+    admin_audit::log_event(
+        &ctx,
+        None,
+        "subscription.public.confirm",
+        "subscription",
+        Some(item.id.to_string()),
+        Some(item.target.clone()),
+        Some(serde_json::json!({ "channel_type": item.channel_type })),
+    )
+    .await?;
+
+    format::json(SubscriptionManageResponse {
+        ok: true,
+        subscription: subscriptions::to_public_subscription_view(&item),
+    })
+}
+
+#[debug_handler]
+pub async fn manage(
+    State(ctx): State<AppContext>,
+    Query(query): Query<SubscriptionManageQuery>,
+) -> Result<Response> {
+    let item = subscriptions::get_subscription_by_manage_token(&ctx, &query.token).await?;
+    format::json(SubscriptionManageResponse {
+        ok: true,
+        subscription: subscriptions::to_public_subscription_view(&item),
+    })
+}
+
+#[debug_handler]
+pub async fn update_manage(
+    State(ctx): State<AppContext>,
+    Json(payload): Json<SubscriptionManageUpdatePayload>,
+) -> Result<Response> {
+    let item = subscriptions::update_subscription_preferences(
+        &ctx,
+        &payload.token,
+        payload.display_name,
+        payload.status,
+        payload.filters,
+    )
+    .await?;
+
+    admin_audit::log_event(
+        &ctx,
+        None,
+        "subscription.public.update",
+        "subscription",
+        Some(item.id.to_string()),
+        Some(item.target.clone()),
+        None,
+    )
+    .await?;
+
+    format::json(SubscriptionManageResponse {
+        ok: true,
+        subscription: subscriptions::to_public_subscription_view(&item),
+    })
+}
+
+#[debug_handler]
+pub async fn unsubscribe(
+    State(ctx): State<AppContext>,
+    Json(payload): Json<SubscriptionTokenPayload>,
+) -> Result<Response> {
+    let item = subscriptions::unsubscribe_subscription(&ctx, &payload.token).await?;
+    admin_audit::log_event(
+        &ctx,
+        None,
+        "subscription.public.unsubscribe",
+        "subscription",
+        Some(item.id.to_string()),
+        Some(item.target.clone()),
+        None,
+    )
+    .await?;
+
+    format::json(SubscriptionManageResponse {
+        ok: true,
+        subscription: subscriptions::to_public_subscription_view(&item),
+    })
+}
+
+pub fn routes() -> Routes {
+    Routes::new()
+        .prefix("/api/subscriptions")
+        .add("/", post(subscribe))
+        .add("/confirm", post(confirm))
+        .add("/manage", get(manage).patch(update_manage))
+        .add("/unsubscribe", post(unsubscribe))
+}
--- a/backend/src/initializers/mod.rs
+++ b/backend/src/initializers/mod.rs
@@ -1,2 +1 @@
 pub mod content_sync;
-pub mod view_engine;
--- a/backend/src/initializers/view_engine.rs
+++ b/backend/src/initializers/view_engine.rs
@@ -1,43 +0,0 @@
-use async_trait::async_trait;
-use axum::{Extension, Router as AxumRouter};
-use fluent_templates::{ArcLoader, FluentLoader};
-use loco_rs::{
-    app::{AppContext, Initializer},
-    controller::views::{engines, ViewEngine},
-    Error, Result,
-};
-use tracing::info;
-
-const I18N_DIR: &str = "assets/i18n";
-const I18N_SHARED: &str = "assets/i18n/shared.ftl";
-#[allow(clippy::module_name_repetitions)]
-pub struct ViewEngineInitializer;
-
-#[async_trait]
-impl Initializer for ViewEngineInitializer {
-    fn name(&self) -> String {
-        "view-engine".to_string()
-    }
-
-    async fn after_routes(&self, router: AxumRouter, _ctx: &AppContext) -> Result<AxumRouter> {
-        let tera_engine = if std::path::Path::new(I18N_DIR).exists() {
-            let arc = std::sync::Arc::new(
-                ArcLoader::builder(&I18N_DIR, unic_langid::langid!("en-US"))
-                    .shared_resources(Some(&[I18N_SHARED.into()]))
-                    .customize(|bundle| bundle.set_use_isolating(false))
-                    .build()
-                    .map_err(|e| Error::string(&e.to_string()))?,
-            );
-            info!("locales loaded");
-
-            engines::TeraView::build()?.post_process(move |tera| {
-                tera.register_function("t", FluentLoader::new(arc.clone()));
-                Ok(())
-            })?
-        } else {
-            engines::TeraView::build()?
-        };
-
-        Ok(router.layer(Extension(ViewEngine::from(tera_engine))))
-    }
-}
--- a/backend/src/mailers/mod.rs
+++ b/backend/src/mailers/mod.rs
@@ -1 +1,2 @@
 pub mod auth;
+pub mod subscription;
--- a/backend/src/mailers/subscription.rs
+++ b/backend/src/mailers/subscription.rs
@@ -0,0 +1,77 @@
+#![allow(non_upper_case_globals)]
+
+use loco_rs::prelude::*;
+use serde_json::json;
+
+static confirm: Dir<'_> = include_dir!("src/mailers/subscription/confirm");
+static notification: Dir<'_> = include_dir!("src/mailers/subscription/notification");
+
+pub struct SubscriptionMailer {}
+impl Mailer for SubscriptionMailer {}
+
+impl SubscriptionMailer {
+    pub async fn send_confirmation(
+        ctx: &AppContext,
+        to: &str,
+        site_name: Option<&str>,
+        site_url: Option<&str>,
+        confirm_url: &str,
+        manage_url: Option<&str>,
+    ) -> Result<()> {
+        Self::mail_template(
+            ctx,
+            &confirm,
+            mailer::Args {
+                to: to.to_string(),
+                locals: json!({
+                    "subject": "请确认你的订阅",
+                    "siteName": site_name.unwrap_or("Termi"),
+                    "siteUrl": site_url
+                        .map(ToString::to_string)
+                        .unwrap_or_else(|| ctx.config.server.full_url()),
+                    "confirmUrl": confirm_url,
+                    "manageUrl": manage_url,
+                }),
+                ..Default::default()
+            },
+        )
+        .await?;
+
+        Ok(())
+    }
+
+    pub async fn send_notification(
+        ctx: &AppContext,
+        to: &str,
+        subject: &str,
+        headline: &str,
+        body: &str,
+        site_name: Option<&str>,
+        site_url: Option<&str>,
+        manage_url: Option<&str>,
+        unsubscribe_url: Option<&str>,
+    ) -> Result<()> {
+        Self::mail_template(
+            ctx,
+            &notification,
+            mailer::Args {
+                to: to.to_string(),
+                locals: json!({
+                    "subject": subject,
+                    "headline": headline,
+                    "body": body,
+                    "siteName": site_name.unwrap_or("Termi"),
+                    "siteUrl": site_url
+                        .map(ToString::to_string)
+                        .unwrap_or_else(|| ctx.config.server.full_url()),
+                    "manageUrl": manage_url,
+                    "unsubscribeUrl": unsubscribe_url,
+                }),
+                ..Default::default()
+            },
+        )
+        .await?;
+
+        Ok(())
+    }
+}
--- a/backend/src/mailers/subscription/confirm/html.t
+++ b/backend/src/mailers/subscription/confirm/html.t
@@ -0,0 +1,25 @@
+<html>
+  <body style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #0f172a; line-height: 1.7;">
+    <div style="max-width: 640px; margin: 0 auto; padding: 24px;">
+      <p style="font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: #64748b;">{{ siteName }}</p>
+      <h1 style="margin-top: 8px; font-size: 24px;">请确认你的订阅</h1>
+      <p style="margin-top: 20px;">为了确认这是你本人提交的邮箱，请点击下面的确认按钮。</p>
+      <p style="margin-top: 24px;">
+        <a href="{{ confirmUrl }}" style="display: inline-block; padding: 12px 18px; border-radius: 9999px; background: #0f172a; color: #ffffff; text-decoration: none;">确认订阅</a>
+      </p>
+      <p style="margin-top: 20px; font-size: 14px; color: #475569; word-break: break-all;">
+        如果按钮无法点击，请直接打开：<br />
+        <a href="{{ confirmUrl }}">{{ confirmUrl }}</a>
+      </p>
+      {% if manageUrl %}
+        <p style="margin-top: 20px; font-size: 14px; color: #475569;">
+          确认完成后，你可以在这里管理偏好：<br />
+          <a href="{{ manageUrl }}">{{ manageUrl }}</a>
+        </p>
+      {% endif %}
+      <p style="margin-top: 28px; font-size: 13px; color: #64748b;">
+        来自 {{ siteName }} · <a href="{{ siteUrl }}">{{ siteUrl }}</a>
+      </p>
+    </div>
+  </body>
+</html>
--- a/backend/src/mailers/subscription/confirm/subject.t
+++ b/backend/src/mailers/subscription/confirm/subject.t
@@ -0,0 +1 @@
+请确认你的订阅
--- a/backend/src/mailers/subscription/confirm/text.t
+++ b/backend/src/mailers/subscription/confirm/text.t
@@ -0,0 +1,13 @@
+你好，
+
+请点击下面的链接确认你的订阅：
+{{ confirmUrl }}
+
+{% if manageUrl %}
+确认完成后，你也可以通过这个链接管理偏好：
+{{ manageUrl }}
+{% endif %}
+
+--
+{{ siteName }}
+{{ siteUrl }}
--- a/backend/src/mailers/subscription/notification/html.t
+++ b/backend/src/mailers/subscription/notification/html.t
@@ -0,0 +1,22 @@
+<html>
+  <body style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #0f172a; line-height: 1.7;">
+    <div style="max-width: 640px; margin: 0 auto; padding: 24px;">
+      <p style="font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: #64748b;">{{ siteName }}</p>
+      <h1 style="margin-top: 8px; font-size: 24px;">{{ headline }}</h1>
+      <div style="margin-top: 20px; white-space: pre-wrap;">{{ body }}</div>
+      {% if manageUrl or unsubscribeUrl %}
+        <div style="margin-top: 24px; display: flex; flex-wrap: wrap; gap: 12px;">
+          {% if manageUrl %}
+            <a href="{{ manageUrl }}" style="display: inline-block; padding: 10px 16px; border-radius: 9999px; background: #0f172a; color: #ffffff; text-decoration: none;">管理订阅</a>
+          {% endif %}
+          {% if unsubscribeUrl %}
+            <a href="{{ unsubscribeUrl }}" style="display: inline-block; padding: 10px 16px; border-radius: 9999px; border: 1px solid #cbd5e1; color: #334155; text-decoration: none;">取消订阅</a>
+          {% endif %}
+        </div>
+      {% endif %}
+      <p style="margin-top: 28px; font-size: 13px; color: #64748b;">
+        来自 {{ siteName }} · <a href="{{ siteUrl }}">{{ siteUrl }}</a>
+      </p>
+    </div>
+  </body>
+</html>
--- a/backend/src/mailers/subscription/notification/subject.t
+++ b/backend/src/mailers/subscription/notification/subject.t
@@ -0,0 +1 @@
+{{ subject }}
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				`window.__TERMI_ADMIN_RUNTIME_CONFIG__ = window.__TERMI_ADMIN_RUNTIME_CONFIG__ \|\| {}`