feat: ship blog platform admin and deploy stack

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>
 

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>
+  )
+}

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>

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>

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>
   )
 }

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>

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"

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]

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>
+}

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>

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>
+  )
+}