feat(ECR-044): RhythmConfig 写面闭环并 Closed

复用 admin.explore.write、POST/PUT+审计、C端 GET /rhythm/configs、
H5 无 active 空态/失败回退；migration 000053。ExploreConfig Loop STOP，禁自动 ECR-045。

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

packages/sdk/src/index.ts

@@ -311,6 +311,15 @@ export function createClient(opts: CreateClientOptions) {
           active: boolean
         }>
       }>('/api/v1/star/configs'),
+    getRhythmConfigs: () =>
+      call<{
+        items: Array<{
+          id: string
+          code: string
+          title: string
+          active: boolean
+        }>
+      }>('/api/v1/rhythm/configs'),
     getHomeDailyTips: () => call<HomeDailyTips>('/api/v1/home/daily-tips'),
   }
 }