feat: 添加租户成员充值功能及相关文档

backend/docs/swagger.yaml

@@ -169,6 +169,19 @@ definitions:
           退款原因：建议必填（由业务侧校验）；用于审计与追责。
         type: string
     type: object
+  dto.AdminTopupForm:
+    properties:
+      amount:
+        description: Amount is the topup amount in cents (CNY 分); must be > 0.
+        type: integer
+      idempotency_key:
+        description: IdempotencyKey ensures the topup request is processed at most
+          once.
+        type: string
+      reason:
+        description: Reason is the human-readable topup reason used for audit.
+        type: string
+    type: object
   dto.ContentAssetAttachForm:
     properties:
       asset_id:
@@ -1387,6 +1400,38 @@ paths:
       summary: 订单退款（租户管理）
       tags:
       - Tenant
+  /t/{tenantCode}/v1/admin/users/{userID}/topup:
+    post:
+      consumes:
+      - application/json
+      parameters:
+      - description: Tenant Code
+        in: path
+        name: tenantCode
+        required: true
+        type: string
+      - description: UserID
+        format: int64
+        in: path
+        name: userID
+        required: true
+        type: integer
+      - description: Form
+        in: body
+        name: form
+        required: true
+        schema:
+          $ref: '#/definitions/dto.AdminTopupForm'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/models.Order'
+      summary: 为租户成员充值（租户管理）
+      tags:
+      - Tenant
   /t/{tenantCode}/v1/contents:
     get:
       consumes: