迭代18: QMT Bridge MCP 能力内建（R-020）—— 动态挂载 dsh-mcp-client + 状态出口（设置页/会话头部灯）

src/api/qmt-connections.js

@@ -28,6 +28,7 @@ export const QMT_METHODS = new Set([
   'qmt-connections/set-default',
   'qmt-connections/test',
   'qmt-connections/active-host',
+  'qmt-connections/mcp-status', // R-020/迭代18：QMT MCP 状态（probe / 缓存）
 ]);
 
 /** 服务端代理测试连接：GET {baseUrl}/health（浏览器跨域规避，Q3 手动测试） */
@@ -63,7 +64,7 @@ async function testQmtConnection(ctx, args) {
  * @param {object} args
  * @param {object} runtime { manager, settings, dataSource, marketCache }
  */
-export async function handleQmt(method, args, { ctx, settings, dataSource, marketFeed, qmtHealthMonitor }) {
+export async function handleQmt(method, args, { ctx, settings, dataSource, marketFeed, qmtHealthMonitor, mcpManager }) {
   switch (method) {
     case 'qmt-connections': {
       const state = getQmtConnections(settings);
@@ -80,6 +81,8 @@ export async function handleQmt(method, args, { ctx, settings, dataSource, marke
         marketFeed?.setBaseUrl(value.baseUrl);
         qmtHealthMonitor?.probe(); // 切换后立即补探健康
         ctx?.logger?.info('[one-divine-lot] 激活配置地址已变更，数据源热切换 → ' + value.baseUrl);
+        // R-020/迭代18：MCP 目标地址随激活地址变更重挂
+        mcpManager?.resync(value.baseUrl).catch(() => {});
       }
       return value;
     }
@@ -94,6 +97,8 @@ export async function handleQmt(method, args, { ctx, settings, dataSource, marke
         qmtHealthMonitor?.probe(); // 切换后立即补探健康
         ctx?.logger?.info('[one-divine-lot] 激活配置已删除，自动切换 → ' + active.name + ' (' + active.baseUrl + ')');
       }
+      // R-020/迭代18：激活已变（或列表清空）→ MCP 跟随新激活 / 卸载
+      mcpManager?.resync(active?.baseUrl).catch(() => {});
       return { ...afterState, active, removedWasActive: result.removedWasActive, removedWasDefault: result.removedWasDefault };
     }
     case 'qmt-connections/activate': {
@@ -105,6 +110,8 @@ export async function handleQmt(method, args, { ctx, settings, dataSource, marke
         qmtHealthMonitor?.probe(); // 切换后立即补探健康
         ctx?.logger?.info('[one-divine-lot] QMT 连接激活: ' + active.name + ' (' + active.baseUrl + ')');
       }
+      // R-020/迭代18：激活切换 → MCP 实例跟随（卸旧挂新，url=新激活 baseUrl+/mcp）
+      mcpManager?.resync(active?.baseUrl).catch(() => {});
       return { ...state, active };
     }
     case 'qmt-connections/set-default':
@@ -132,6 +139,12 @@ export async function handleQmt(method, args, { ctx, settings, dataSource, marke
       } catch { /* baseUrl 非法时返回空 */ }
       return { name: active.name, baseUrl, host, wsUrl, activeId: state.activeId ?? '' };
     }
+    case 'qmt-connections/mcp-status': {
+      // R-020/迭代18：MCP 状态（缓存秒回；refresh=true 即时探测）
+      if (!mcpManager) return { state: 'disabled', error: 'mcpManager 不可用', checkedAt: 0 };
+      if (args.refresh) return await mcpManager.probe();
+      return mcpManager.getStatus();
+    }
     default:
       throw Object.assign(new Error('unknown qmt method: ' + method), { code: 'not-found' });
   }