refactor: use updated session watcher

In addition, for projects_updated websocket response, send the sessionId instead

server/index.js

@@ -36,7 +36,6 @@ import {
     deleteProjectById,
     getProjectTaskMasterById,
     getProjectPathById,
-    clearProjectDirectoryCache,
     searchConversations,
 } from './projects.js';
 import { queryClaudeSDK, abortClaudeSDKSession, isClaudeSDKSessionActive, getActiveClaudeSDKSessions, resolveToolApproval, getPendingApprovalsForSession, reconnectSessionWriter } from './claude-sdk.js';
@@ -68,149 +67,7 @@ import { getConnectableHost } from '../shared/networkHosts.js';
 
 const VALID_PROVIDERS = ['claude', 'codex', 'cursor', 'gemini'];
 
-// File system watchers for provider project/session folders
-const PROVIDER_WATCH_PATHS = [
-    { provider: 'claude', rootPath: path.join(os.homedir(), '.claude', 'projects') },
-    { provider: 'cursor', rootPath: path.join(os.homedir(), '.cursor', 'chats') },
-    { provider: 'codex', rootPath: path.join(os.homedir(), '.codex', 'sessions') },
-    { provider: 'gemini', rootPath: path.join(os.homedir(), '.gemini', 'projects') },
-    { provider: 'gemini_sessions', rootPath: path.join(os.homedir(), '.gemini', 'sessions') }
-];
-const WATCHER_IGNORED_PATTERNS = [
-    '**/node_modules/**',
-    '**/.git/**',
-    '**/dist/**',
-    '**/build/**',
-    '**/*.tmp',
-    '**/*.swp',
-    '**/.DS_Store'
-];
-const WATCHER_DEBOUNCE_MS = 300;
-let projectsWatchers = [];
-let projectsWatcherDebounceTimer = null;
-const connectedClients = new Set();
-let isGetProjectsRunning = false; // Flag to prevent reentrant calls
-
-// Broadcast progress to all connected WebSocket clients
-function broadcastProgress(progress) {
-    const message = JSON.stringify({
-        type: 'loading_progress',
-        ...progress
-    });
-    connectedClients.forEach(client => {
-        if (client.readyState === WebSocket.OPEN) {
-            client.send(message);
-        }
-    });
-}
-
-// Setup file system watchers for Claude, Cursor, and Codex project/session folders
-async function setupProjectsWatcher() {
-    const chokidar = (await import('chokidar')).default;
-
-    if (projectsWatcherDebounceTimer) {
-        clearTimeout(projectsWatcherDebounceTimer);
-        projectsWatcherDebounceTimer = null;
-    }
-
-    await Promise.all(
-        projectsWatchers.map(async (watcher) => {
-            try {
-                await watcher.close();
-            } catch (error) {
-                console.error('[WARN] Failed to close watcher:', error);
-            }
-        })
-    );
-    projectsWatchers = [];
-
-    const debouncedUpdate = (eventType, filePath, provider, rootPath) => {
-        if (projectsWatcherDebounceTimer) {
-            clearTimeout(projectsWatcherDebounceTimer);
-        }
-
-        projectsWatcherDebounceTimer = setTimeout(async () => {
-            // Prevent reentrant calls
-            if (isGetProjectsRunning) {
-                return;
-            }
-
-            try {
-                isGetProjectsRunning = true;
-
-                // Clear project directory cache when files change
-                clearProjectDirectoryCache();
-
-                // Get updated projects list
-                const updatedProjects = await getProjectsWithSessions(broadcastProgress);
-
-                // Notify all connected clients about the project changes
-                const updateMessage = JSON.stringify({
-                    type: 'projects_updated',
-                    projects: updatedProjects,
-                    timestamp: new Date().toISOString(),
-                    changeType: eventType,
-                    changedFile: path.relative(rootPath, filePath),
-                    watchProvider: provider
-                });
-
-                connectedClients.forEach(client => {
-                    if (client.readyState === WebSocket.OPEN) {
-                        client.send(updateMessage);
-                    }
-                });
-
-            } catch (error) {
-                console.error('[ERROR] Error handling project changes:', error);
-            } finally {
-                isGetProjectsRunning = false;
-            }
-        }, WATCHER_DEBOUNCE_MS);
-    };
-
-    for (const { provider, rootPath } of PROVIDER_WATCH_PATHS) {
-        try {
-            // chokidar v4 emits ENOENT via the "error" event for missing roots and will not auto-recover.
-            // Ensure provider folders exist before creating the watcher so watching stays active.
-            await fsPromises.mkdir(rootPath, { recursive: true });
-
-            // Initialize chokidar watcher with optimized settings
-            const watcher = chokidar.watch(rootPath, {
-                ignored: WATCHER_IGNORED_PATTERNS,
-                persistent: true,
-                ignoreInitial: true, // Don't fire events for existing files on startup
-                followSymlinks: false,
-                depth: 10, // Reasonable depth limit
-                awaitWriteFinish: {
-                    stabilityThreshold: 100, // Wait 100ms for file to stabilize
-                    pollInterval: 50
-                }
-            });
-
-            // Set up event listeners
-            watcher
-                .on('add', (filePath) => debouncedUpdate('add', filePath, provider, rootPath))
-                .on('change', (filePath) => debouncedUpdate('change', filePath, provider, rootPath))
-                .on('unlink', (filePath) => debouncedUpdate('unlink', filePath, provider, rootPath))
-                .on('addDir', (dirPath) => debouncedUpdate('addDir', dirPath, provider, rootPath))
-                .on('unlinkDir', (dirPath) => debouncedUpdate('unlinkDir', dirPath, provider, rootPath))
-                .on('error', (error) => {
-                    console.error(`[ERROR] ${provider} watcher error:`, error);
-                })
-                .on('ready', () => {
-                });
-
-            projectsWatchers.push(watcher);
-        } catch (error) {
-            console.error(`[ERROR] Failed to setup ${provider} watcher for ${rootPath}:`, error);
-        }
-    }
-
-    if (projectsWatchers.length === 0) {
-        console.error('[ERROR] Failed to setup any provider watchers');
-    }
-}
-
+export const connectedClients = new Set();
 
 const app = express();
 const server = http.createServer(app);
@@ -219,6 +76,7 @@ const ptySessionsMap = new Map();
 const PTY_SESSION_TIMEOUT = 30 * 60 * 1000;
 const SHELL_URL_PARSE_BUFFER_LIMIT = 32768;
 import { stripAnsiSequences, normalizeDetectedUrl, extractUrlsFromText, shouldAutoOpenUrlFromOutput } from './utils/url-detection.js';
+import { closeSessionsWatcher, initializeSessionsWatcher } from '@/modules/providers/index.js';
 
 // Single WebSocket server that handles both paths
 const wss = new WebSocketServer({
@@ -431,7 +289,7 @@ app.post('/api/system/update', authenticateToken, async (req, res) => {
 
 app.get('/api/projects', authenticateToken, async (req, res) => {
     try {
-        const projects = await getProjectsWithSessions(broadcastProgress);
+        const projects = await getProjectsWithSessions();
         res.json(projects);
     } catch (error) {
         res.status(500).json({ error: error.message });
@@ -2373,7 +2231,7 @@ async function startServer() {
             console.log('');
 
             // Start watching the projects folder for changes
-            await setupProjectsWatcher();
+            await initializeSessionsWatcher();
 
             // await getProjectsWithSessions(); // TODO: REMOVE THIS
             // Start server-side plugin processes for enabled plugins
@@ -2382,6 +2240,7 @@ async function startServer() {
             });
         });
 
+        await closeSessionsWatcher();
         // Clean up plugin processes on shutdown
         const shutdownPlugins = async () => {
             await stopAllPlugins();