feat: add batch content governance actions

backend/docs/swagger.yaml

@@ -1376,6 +1376,28 @@ definitions:
     - action
     - content_ids
     type: object
+  dto.SuperContentBatchStatusForm:
+    properties:
+      content_ids:
+        description: ContentIDs 待处置内容ID列表。
+        items:
+          type: integer
+        minItems: 1
+        type: array
+      reason:
+        description: Reason 处置说明（可选，用于审计与通知作者）。
+        type: string
+      status:
+        allOf:
+        - $ref: '#/definitions/consts.ContentStatus'
+        description: Status 目标内容状态（unpublished/blocked）。
+        enum:
+        - unpublished
+        - blocked
+    required:
+    - content_ids
+    - status
+    type: object
   dto.SuperContentReportItem:
     properties:
       content_id:
@@ -3617,6 +3639,28 @@ paths:
       summary: Content statistics
       tags:
       - Content
+  /super/v1/contents/status/batch:
+    post:
+      consumes:
+      - application/json
+      description: Batch unpublish or block contents
+      parameters:
+      - description: Batch status form
+        in: body
+        name: form
+        required: true
+        schema:
+          $ref: '#/definitions/dto.SuperContentBatchStatusForm'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: Updated
+          schema:
+            type: string
+      summary: Batch update content status
+      tags:
+      - Content
   /super/v1/coupon-grants:
     get:
       consumes: