feat(ECR-016): UserIntelligence 用户洞察只读切片并 Closed

聚合 GET /admin/users/:id/insight（报告类型/派生标签/行为快照），admin-h5 洞察 Tab；无 migration / 无 UGC / 无真支付。

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

proto/openapi.yaml

@@ -242,6 +242,26 @@ paths:
         '401':
           description: Unauthorized
 
+  /api/v1/admin/users/{id}/insight:
+    get:
+      tags: [admin]
+      summary: UserIntelligence insight (read-only aggregate)
+      description: Requires admin.users.read; no schema write
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema: { type: string, format: uuid }
+      responses:
+        '200':
+          description: OK
+        '401':
+          description: Unauthorized
+        '403':
+          description: Forbidden
+        '404':
+          description: User not found
+
   /api/v1/admin/membership-plans:
     get:
       tags: [admin]