feat(remote): 添加 XCOpenCodeWeb 服务管理

- 新增 XCOpenCodeWebService.js 服务模块
- 支持启动/停止/健康检测（每10秒）
- 随 remote 服务启动/退出
- 配置文件添加 xcopencodeweb 配置
- 修复 opencode 默认端口配置

remote/src/core/App.js

@@ -124,7 +124,17 @@ class App {
       const opencodeConfig = config.getSection('opencode') || {};
       return new OpenCodeService({
         enabled: opencodeConfig.enabled !== false,
-        port: opencodeConfig.port || 3002
+        port: opencodeConfig.port
+      });
+    });
+
+    this.container.register('xcOpenCodeWebService', (c) => {
+      const XCOpenCodeWebService = require('../services/opencode/XCOpenCodeWebService');
+      const config = c.resolve('config');
+      const xcopencodewebConfig = config.getSection('xcopencodeweb') || {};
+      return new XCOpenCodeWebService({
+        enabled: xcopencodewebConfig.enabled !== false,
+        port: xcopencodewebConfig.port
       });
     });
 
@@ -206,6 +216,10 @@ class App {
     openCodeService.start();
     logger.info('OpenCode service started');
 
+    const xcOpenCodeWebService = this.container.resolve('xcOpenCodeWebService');
+    xcOpenCodeWebService.start();
+    logger.info('XCOpenCodeWeb service started');
+
     const giteaService = this.container.resolve('giteaService');
     giteaService.start();
     logger.info('Gitea service started');
@@ -488,6 +502,10 @@ class App {
       openCodeService.stop();
       logger.info('OpenCode service stopped');
 
+      const xcOpenCodeWebService = this.container.resolve('xcOpenCodeWebService');
+      xcOpenCodeWebService.stop();
+      logger.info('XCOpenCodeWeb service stopped');
+
       const giteaService = this.container.resolve('giteaService');
       giteaService.stop();
       logger.info('Gitea service stopped');