WIP: app: Add MCP server support for ai-assistant

app/.gitignore

@@ -13,3 +13,11 @@
 electron/windowSize.test.js
 electron/env-paths.js
 electron/runCmd.test.js
+electron/mcp/MCPClient.js
+electron/mcp/MCPClient.test.js
+electron/mcp/MCPToolStateStore.js
+electron/mcp/MCPToolStateStore.test.js
+electron/settings.js
+electron/settings.test.js
+electron/mcp/MCPSettings.js
+electron/mcp/MCPSettings.test.js

app/electron/main.ts

@@ -41,6 +41,7 @@ import url from 'url';
 import yargs from 'yargs';
 import { hideBin } from 'yargs/helpers';
 import i18n from './i18next.config';
+import MCPClient from './mcp/MCPClient';
 import {
   addToPath,
   ArtifactHubHeadlampPkg,
@@ -58,6 +59,9 @@ if (process.env.HEADLAMP_RUN_SCRIPT) {
   runScript();
 }
 
+// Enabled by default, set HEADLAMP_MCP_ENABLE=false to disable MCP features
+const ENABLE_MCP = process.env.HEADLAMP_MCP_ENABLE !== 'false';
+
 dotenv.config({ path: path.join(process.resourcesPath, '.env') });
 
 const isDev = process.env.ELECTRON_DEV || false;
@@ -139,6 +143,7 @@ const shouldCheckForUpdates = process.env.HEADLAMP_CHECK_FOR_UPDATES !== 'false'
 
 // make it global so that it doesn't get garbage collected
 let mainWindow: BrowserWindow | null;
+let mcpClient: MCPClient | null = null;
 
 /**
  * `Action` is an interface for an action to be performed by the plugin manager.
@@ -1602,6 +1607,14 @@ function startElecron() {
     if (userPluginBinDirs.length > 0) {
       addToPath(userPluginBinDirs, 'userPluginBinDirs plugin');
     }
+
+    if (ENABLE_MCP) {
+      const configPath = path.join(app.getPath('userData'), 'mcp-tools-config.json');
+      const settingsPath = path.join(app.getPath('userData'), 'mcp-tools-settings.json');
+      mcpClient = new MCPClient(configPath, settingsPath);
+      await mcpClient.initialize();
+      mcpClient.setMainWindow(mainWindow);
+    }
   }
 
   if (disableGPU) {
@@ -1632,12 +1645,21 @@ function startElecron() {
 
   app.once('window-all-closed', app.quit);
 
-  app.once('before-quit', () => {
+  app.once('before-quit', async () => {
     saveZoomFactor(cachedZoom);
     i18n.off('languageChanged');
     if (mainWindow) {
       mainWindow.removeAllListeners('close');
     }
+
+    if (mcpClient) {
+      try {
+        await mcpClient.cleanup();
+        mcpClient = null;
+      } catch (err) {
+        console.error('Failed to clean up mcpClient:', err);
+      }
+    }
   });
 }