docs: 补充微信 JSSDK 配置接口 OpenAPI 文档

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

docs/admin-openapi.yaml

@@ -4514,6 +4514,21 @@ components:
                     description: 总数
                     type: integer
             type: object
+        DtoJSSDKConfigResponse:
+            properties:
+                app_id:
+                    description: 公众号 AppID
+                    type: string
+                nonce_str:
+                    description: 随机字符串
+                    type: string
+                signature:
+                    description: 签名（SHA1）
+                    type: string
+                timestamp:
+                    description: 时间戳（秒）
+                    type: integer
+            type: object
         DtoLinkedPackageInfo:
             properties:
                 force_recharge_amount:
@@ -23900,6 +23915,59 @@ paths:
             summary: 钱包流水列表
             tags:
                 - 个人客户 - 钱包
+    /api/c/v1/wechat/jssdk-config:
+        get:
+            description: 前端调用 wx.config() 初始化微信 JS-SDK 时所需的签名参数，需传入当前页面完整 URL
+            parameters:
+                - description: '当前页面完整 URL（含协议和路径，不含 # 及其后内容）'
+                  in: query
+                  name: url
+                  required: true
+                  schema:
+                    description: '当前页面完整 URL（含协议和路径，不含 # 及其后内容）'
+                    type: string
+            responses:
+                "200":
+                    content:
+                        application/json:
+                            schema:
+                                properties:
+                                    code:
+                                        description: 响应码
+                                        example: 0
+                                        type: integer
+                                    data:
+                                        $ref: '#/components/schemas/DtoJSSDKConfigResponse'
+                                    msg:
+                                        description: 响应消息
+                                        example: success
+                                        type: string
+                                    timestamp:
+                                        description: 时间戳
+                                        format: date-time
+                                        type: string
+                                required:
+                                    - code
+                                    - msg
+                                    - data
+                                    - timestamp
+                                type: object
+                    description: 成功
+                "400":
+                    content:
+                        application/json:
+                            schema:
+                                $ref: '#/components/schemas/ErrorResponse'
+                    description: 请求参数错误
+                "500":
+                    content:
+                        application/json:
+                            schema:
+                                $ref: '#/components/schemas/ErrorResponse'
+                    description: 服务器内部错误
+            summary: 获取微信 JSSDK 签名配置
+            tags:
+                - 个人客户 - 微信
     /api/callback/alipay:
         post:
             responses: