feat(wecom): 企微 API 插件增加 MCP Streamable HTTP 端点

与 REST/OpenAPI 并存，按实例权限自动 tools/list，免手填工具。

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

server/dukang-api/src/integrations/wecom/wecom.module.ts

@@ -14,6 +14,8 @@ import { WecomBotSessionService } from './wecom-bot-session.service';
 import { WecomPluginAuthService } from './wecom-plugin-auth.service';
 import { WecomPluginController } from './wecom-plugin.controller';
 import { WecomPluginGuard } from './wecom-plugin.guard';
+import { WecomPluginMcpController } from './wecom-plugin-mcp.controller';
+import { WecomPluginMcpFactory } from './wecom-plugin-mcp.factory';
 import { WecomPluginQueryService } from './wecom-plugin-query.service';
 
 /** 企微多机器人：依赖 Common（工单）+ Settlement/DevPlan + Promo + Integrations（短信）+ Llm */
@@ -26,7 +28,7 @@ import { WecomPluginQueryService } from './wecom-plugin-query.service';
     PromoModule,
     LlmModule,
   ],
-  controllers: [WecomPluginController],
+  controllers: [WecomPluginController, WecomPluginMcpController],
   providers: [
     WecomBotSessionService,
     WecomBotAuditService,
@@ -37,6 +39,7 @@ import { WecomPluginQueryService } from './wecom-plugin-query.service';
     WecomPluginAuthService,
     WecomPluginGuard,
     WecomPluginQueryService,
+    WecomPluginMcpFactory,
   ],
   exports: [WecomAibotService, WecomBotAuditService],
 })