feat(ECR-043): StarConfig 写面闭环并 Closed

加法权限 admin.explore.write、POST/PUT+审计、C端 GET /star/configs、
H5 无 active 空态/失败回退；migration 000052。ExploreConfig Loop STOP，禁自动 ECR-044。

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/sdk/src/index.ts

@@ -302,6 +302,15 @@ export function createClient(opts: CreateClientOptions) {
           active: boolean
         }>
       }>(`/api/v1/home/feed-slots?placement=${encodeURIComponent(placement)}`),
+    getStarConfigs: () =>
+      call<{
+        items: Array<{
+          id: string
+          code: string
+          title: string
+          active: boolean
+        }>
+      }>('/api/v1/star/configs'),
     getHomeDailyTips: () => call<HomeDailyTips>('/api/v1/home/daily-tips'),
   }
 }