Migrate AI Hint feed generation

Bring dynamic hint generation into the account service while preserving the legacy key.osglab.com deployment for existing clients.

admin-web/src/features/content/content-page.tsx

@@ -29,6 +29,7 @@ import {
   Textarea,
 } from "../../components/primitives";
 import { useAuth } from "../auth/auth-context";
+import { HintAutoSection } from "./hint-auto-section";
 
 type HintLocale = "zh" | "en";
 
@@ -128,7 +129,7 @@ export function ContentPage() {
       <PageHeader
         eyebrow="Official Content"
         title="内容管理"
-        description="维护客户端官方 Skill 目录与 zh/en AI Hint 发布包。每次保存都会立即发布并写入审计。"
+        description="维护客户端官方 Skill、AI Hint 自动生成与 zh/en 手动发布包。所有变更都会写入审计。"
         actions={
           canEdit ? (
             <Button onClick={() => setEditingSkill("new")}>
@@ -212,6 +213,8 @@ export function ContentPage() {
         )}
       </section>
 
+      <HintAutoSection canEdit={canEdit} />
+
       <section aria-labelledby="hint-heading" className="space-y-4">
         <div>
           <h2 id="hint-heading" className="text-xl font-bold">