feat: ship public ops features and cache docker builds

admin/src/pages/subscriptions-page.tsx

@@ -27,6 +27,7 @@ const CHANNEL_OPTIONS = [
   { value: 'discord', label: 'Discord Webhook' },
   { value: 'telegram', label: 'Telegram Bot API' },
   { value: 'ntfy', label: 'ntfy' },
+  { value: 'web_push', label: 'Web Push / Browser Push' },
 ] as const
 
 const DEFAULT_FILTERS = {
@@ -174,7 +175,7 @@ export function SubscriptionsPage() {
           <div>
             <h2 className="text-3xl font-semibold tracking-tight">订阅中心 / 异步投递 / 汇总简报</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。
+              这里统一管理邮件订阅、Webhook / Discord / Telegram / ntfy / Web Push 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>
@@ -251,7 +252,15 @@ export function SubscriptionsPage() {
               <Input
                 value={form.target}
                 onChange={(event) => setForm((current) => ({ ...current, target: event.target.value }))}
-                placeholder={form.channelType === 'email' ? 'name@example.com' : 'https://...'}
+                placeholder={
+                  form.channelType === 'email'
+                    ? 'name@example.com'
+                    : form.channelType === 'ntfy'
+                      ? 'topic-name 或 https://ntfy.example.com/topic'
+                      : form.channelType === 'web_push'
+                        ? 'https://push-service/...'
+                        : 'https://...'
+                }
               />
             </div>
             <div className="space-y-2">