新增查询绑定结果接口（自建发货页轮询角色信息）

- GET /api/client/v1/orders/{order_no}/delivery/bind-result?bind_uuid=xxx
- 返回 bound/game_account/role_name/game_channel；未绑定返回 bound=false（不报错，供轮询）
- 对接文档自建发货页模式新增该接口，注明轮询建议间隔

frontend/src/openapi/endpoints.ts

@@ -359,6 +359,41 @@ export const endpoints: EndpointSpec[] = [
       '同一订单重复绑定时，请以最新返回的绑定凭证为准。',
     ],
   },
+  {
+    key: 'delivery-bind-result',
+    group: 'delivery-self',
+    method: 'GET',
+    path: '/api/client/v1/orders/{order_no}/delivery/bind-result',
+    title: '查询绑定结果',
+    summary: '查询绑定状态与角色信息（自建发货页轮询用），未绑定时返回 bound=false',
+    scope: 'orders:read 或 shipping:read',
+    pathParams: [{ name: 'order_no', type: 'string', required: true, desc: '平台订单号', example: 'FO20260730000123' }],
+    queryParams: [{ name: 'bind_uuid', type: 'string', required: true, desc: '发起绑定时返回的绑定凭证', example: 'bind-123' }],
+    responseExample: `{
+  "code": 0,
+  "message": "ok",
+  "data": {
+    "bind_uuid": "bind-123",
+    "bound": true,
+    "game_account": "4808146277",
+    "role_name": "巫师哈丁12",
+    "game_channel": "IOS-微信",
+    "message": "绑定成功"
+  }
+}`,
+    responseFields: [
+      { name: 'bind_uuid', type: 'string', desc: '绑定凭证' },
+      { name: 'bound', type: 'bool', desc: '是否已完成绑定' },
+      { name: 'game_account', type: 'string', desc: '玩家编号（已绑定时返回）' },
+      { name: 'role_name', type: 'string', desc: '角色名（已绑定时返回）' },
+      { name: 'game_channel', type: 'string', desc: '区服渠道（已绑定时返回）' },
+      { name: 'message', type: 'string', desc: '状态说明' },
+    ],
+    notes: [
+      '用户扫码绑定完成前返回 bound=false，自建页可定时轮询此接口刷新状态。',
+      '轮询间隔建议 2-3 秒，绑定成功后展示角色信息并引导提交发货。',
+    ],
+  },
   {
     key: 'delivery-submit',
     group: 'delivery-self',