refactor(backend): move remaining routes declared in index.js to thier own module

server/src/modules/files/files.routes.js

@@ -0,0 +1,934 @@
+import express from 'express';
+import fs from 'fs';
+import path from 'path';
+import os from 'os';
+import mime from 'mime-types';
+import fetch from 'node-fetch';
+import { promises as fsPromises } from 'fs';
+import { extractProjectDirectory } from '../../../projects.js';
+import { authenticateToken } from '../auth/auth.middleware.js';
+
+const router = express.Router();
+
+/**
+ * Validate that a path is within the project root
+ * @param {string} projectRoot - The project root path
+ * @param {string} targetPath - The path to validate
+ * @returns {{ valid: boolean, resolved?: string, error?: string }}
+ */
+function validatePathInProject(projectRoot, targetPath) {
+    const resolved = path.isAbsolute(targetPath)
+        ? path.resolve(targetPath)
+        : path.resolve(projectRoot, targetPath);
+    const normalizedRoot = path.resolve(projectRoot) + path.sep;
+    if (!resolved.startsWith(normalizedRoot)) {
+        return { valid: false, error: 'Path must be under project root' };
+    }
+    return { valid: true, resolved };
+}
+
+/**
+ * Validate filename - check for invalid characters
+ * @param {string} name - The filename to validate
+ * @returns {{ valid: boolean, error?: string }}
+ */
+function validateFilename(name) {
+    if (!name || !name.trim()) {
+        return { valid: false, error: 'Filename cannot be empty' };
+    }
+    // Check for invalid characters (Windows + Unix)
+    const invalidChars = /[<>:"/\\|?*\x00-\x1f]/;
+    if (invalidChars.test(name)) {
+        return { valid: false, error: 'Filename contains invalid characters' };
+    }
+    // Check for reserved names (Windows)
+    const reserved = /^(CON|PRN|AUX|NUL|COM[1-9]|LPT[1-9])$/i;
+    if (reserved.test(name)) {
+        return { valid: false, error: 'Filename is a reserved name' };
+    }
+    // Check for dots only
+    if (/^\.+$/.test(name)) {
+        return { valid: false, error: 'Filename cannot be only dots' };
+    }
+    return { valid: true };
+}
+
+// Helper function to convert permissions to rwx format
+function permToRwx(perm) {
+    const r = perm & 4 ? 'r' : '-';
+    const w = perm & 2 ? 'w' : '-';
+    const x = perm & 1 ? 'x' : '-';
+    return r + w + x;
+}
+
+async function getFileTree(dirPath, maxDepth = 3, currentDepth = 0, showHidden = true) {
+    // Using fsPromises from import
+    const items = [];
+
+    try {
+        const entries = await fsPromises.readdir(dirPath, { withFileTypes: true });
+
+        for (const entry of entries) {
+            // Debug: log all entries including hidden files
+
+
+            // Skip heavy build directories and VCS directories
+            if (entry.name === 'node_modules' ||
+                entry.name === 'dist' ||
+                entry.name === 'build' ||
+                entry.name === '.git' ||
+                entry.name === '.svn' ||
+                entry.name === '.hg') continue;
+
+            const itemPath = path.join(dirPath, entry.name);
+            const item = {
+                name: entry.name,
+                path: itemPath,
+                type: entry.isDirectory() ? 'directory' : 'file'
+            };
+
+            // Get file stats for additional metadata
+            try {
+                const stats = await fsPromises.stat(itemPath);
+                item.size = stats.size;
+                item.modified = stats.mtime.toISOString();
+
+                // Convert permissions to rwx format
+                const mode = stats.mode;
+                const ownerPerm = (mode >> 6) & 7;
+                const groupPerm = (mode >> 3) & 7;
+                const otherPerm = mode & 7;
+                item.permissions = ((mode >> 6) & 7).toString() + ((mode >> 3) & 7).toString() + (mode & 7).toString();
+                item.permissionsRwx = permToRwx(ownerPerm) + permToRwx(groupPerm) + permToRwx(otherPerm);
+            } catch (statError) {
+                // If stat fails, provide default values
+                item.size = 0;
+                item.modified = null;
+                item.permissions = '000';
+                item.permissionsRwx = '---------';
+            }
+
+            if (entry.isDirectory() && currentDepth < maxDepth) {
+                // Recursively get subdirectories but limit depth
+                try {
+                    // Check if we can access the directory before trying to read it
+                    await fsPromises.access(item.path, fs.constants.R_OK);
+                    item.children = await getFileTree(item.path, maxDepth, currentDepth + 1, showHidden);
+                } catch (e) {
+                    // Silently skip directories we can't access (permission denied, etc.)
+                    item.children = [];
+                }
+            }
+
+            items.push(item);
+        }
+    } catch (error) {
+        // Only log non-permission errors to avoid spam
+        if (error.code !== 'EACCES' && error.code !== 'EPERM') {
+            console.error('Error reading directory:', error);
+        }
+    }
+
+    return items.sort((a, b) => {
+        if (a.type !== b.type) {
+            return a.type === 'directory' ? -1 : 1;
+        }
+        return a.name.localeCompare(b.name);
+    });
+}
+
+// Read file content endpoint
+router.get('/api/projects/:projectName/file', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const { filePath } = req.query;
+
+
+        // Security: ensure the requested path is inside the project root
+        if (!filePath) {
+            return res.status(400).json({ error: 'Invalid file path' });
+        }
+
+        const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+        if (!projectRoot) {
+            return res.status(404).json({ error: 'Project not found' });
+        }
+
+        // Handle both absolute and relative paths
+        const resolved = path.isAbsolute(filePath)
+            ? path.resolve(filePath)
+            : path.resolve(projectRoot, filePath);
+        const normalizedRoot = path.resolve(projectRoot) + path.sep;
+        if (!resolved.startsWith(normalizedRoot)) {
+            return res.status(403).json({ error: 'Path must be under project root' });
+        }
+
+        const content = await fsPromises.readFile(resolved, 'utf8');
+        res.json({ content, path: resolved });
+    } catch (error) {
+        console.error('Error reading file:', error);
+        if (error.code === 'ENOENT') {
+            res.status(404).json({ error: 'File not found' });
+        } else if (error.code === 'EACCES') {
+            res.status(403).json({ error: 'Permission denied' });
+        } else {
+            res.status(500).json({ error: error.message });
+        }
+    }
+});
+
+// Serve binary file content endpoint (for images, etc.)
+router.get('/api/projects/:projectName/files/content', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const { path: filePath } = req.query;
+
+
+        // Security: ensure the requested path is inside the project root
+        if (!filePath) {
+            return res.status(400).json({ error: 'Invalid file path' });
+        }
+
+        const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+        if (!projectRoot) {
+            return res.status(404).json({ error: 'Project not found' });
+        }
+
+        const resolved = path.resolve(filePath);
+        const normalizedRoot = path.resolve(projectRoot) + path.sep;
+        if (!resolved.startsWith(normalizedRoot)) {
+            return res.status(403).json({ error: 'Path must be under project root' });
+        }
+
+        // Check if file exists
+        try {
+            await fsPromises.access(resolved);
+        } catch (error) {
+            return res.status(404).json({ error: 'File not found' });
+        }
+
+        // Get file extension and set appropriate content type
+        const mimeType = mime.lookup(resolved) || 'application/octet-stream';
+        res.setHeader('Content-Type', mimeType);
+
+        // Stream the file
+        const fileStream = fs.createReadStream(resolved);
+        fileStream.pipe(res);
+
+        fileStream.on('error', (error) => {
+            console.error('Error streaming file:', error);
+            if (!res.headersSent) {
+                res.status(500).json({ error: 'Error reading file' });
+            }
+        });
+
+    } catch (error) {
+        console.error('Error serving binary file:', error);
+        if (!res.headersSent) {
+            res.status(500).json({ error: error.message });
+        }
+    }
+});
+
+// Save file content endpoint
+router.put('/api/projects/:projectName/file', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const { filePath, content } = req.body;
+
+
+        // Security: ensure the requested path is inside the project root
+        if (!filePath) {
+            return res.status(400).json({ error: 'Invalid file path' });
+        }
+
+        if (content === undefined) {
+            return res.status(400).json({ error: 'Content is required' });
+        }
+
+        const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+        if (!projectRoot) {
+            return res.status(404).json({ error: 'Project not found' });
+        }
+
+        // Handle both absolute and relative paths
+        const resolved = path.isAbsolute(filePath)
+            ? path.resolve(filePath)
+            : path.resolve(projectRoot, filePath);
+        const normalizedRoot = path.resolve(projectRoot) + path.sep;
+        if (!resolved.startsWith(normalizedRoot)) {
+            return res.status(403).json({ error: 'Path must be under project root' });
+        }
+
+        // Write the new content
+        await fsPromises.writeFile(resolved, content, 'utf8');
+
+        res.json({
+            success: true,
+            path: resolved,
+            message: 'File saved successfully'
+        });
+    } catch (error) {
+        console.error('Error saving file:', error);
+        if (error.code === 'ENOENT') {
+            res.status(404).json({ error: 'File or directory not found' });
+        } else if (error.code === 'EACCES') {
+            res.status(403).json({ error: 'Permission denied' });
+        } else {
+            res.status(500).json({ error: error.message });
+        }
+    }
+});
+
+router.get('/api/projects/:projectName/files', authenticateToken, async (req, res) => {
+    try {
+
+        // Using fsPromises from import
+
+        // Use extractProjectDirectory to get the actual project path
+        let actualPath;
+        try {
+            actualPath = await extractProjectDirectory(req.params.projectName);
+        } catch (error) {
+            console.error('Error extracting project directory:', error);
+            // Fallback to simple dash replacement
+            actualPath = req.params.projectName.replace(/-/g, '/');
+        }
+
+        // Check if path exists
+        try {
+            await fsPromises.access(actualPath);
+        } catch (e) {
+            return res.status(404).json({ error: `Project path not found: ${actualPath}` });
+        }
+
+        const files = await getFileTree(actualPath, 10, 0, true);
+        res.json(files);
+    } catch (error) {
+        console.error('[ERROR] File tree error:', error.message);
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// ============================================================================
+// FILE OPERATIONS API ENDPOINTS
+// ============================================================================
+
+// POST /api/projects/:projectName/files/create - Create new file or directory
+router.post('/api/projects/:projectName/files/create', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const { path: parentPath, type, name } = req.body;
+
+        // Validate input
+        if (!name || !type) {
+            return res.status(400).json({ error: 'Name and type are required' });
+        }
+
+        if (!['file', 'directory'].includes(type)) {
+            return res.status(400).json({ error: 'Type must be "file" or "directory"' });
+        }
+
+        const nameValidation = validateFilename(name);
+        if (!nameValidation.valid) {
+            return res.status(400).json({ error: nameValidation.error });
+        }
+
+        // Get project root
+        const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+        if (!projectRoot) {
+            return res.status(404).json({ error: 'Project not found' });
+        }
+
+        // Build and validate target path
+        const targetDir = parentPath || '';
+        const targetPath = targetDir ? path.join(targetDir, name) : name;
+        const validation = validatePathInProject(projectRoot, targetPath);
+        if (!validation.valid) {
+            return res.status(403).json({ error: validation.error });
+        }
+
+        const resolvedPath = validation.resolved;
+
+        // Check if already exists
+        try {
+            await fsPromises.access(resolvedPath);
+            return res.status(409).json({ error: `${type === 'file' ? 'File' : 'Directory'} already exists` });
+        } catch {
+            // Doesn't exist, which is what we want
+        }
+
+        // Create file or directory
+        if (type === 'directory') {
+            await fsPromises.mkdir(resolvedPath, { recursive: false });
+        } else {
+            // Ensure parent directory exists
+            const parentDir = path.dirname(resolvedPath);
+            try {
+                await fsPromises.access(parentDir);
+            } catch {
+                await fsPromises.mkdir(parentDir, { recursive: true });
+            }
+            await fsPromises.writeFile(resolvedPath, '', 'utf8');
+        }
+
+        res.json({
+            success: true,
+            path: resolvedPath,
+            name,
+            type,
+            message: `${type === 'file' ? 'File' : 'Directory'} created successfully`
+        });
+    } catch (error) {
+        console.error('Error creating file/directory:', error);
+        if (error.code === 'EACCES') {
+            res.status(403).json({ error: 'Permission denied' });
+        } else if (error.code === 'ENOENT') {
+            res.status(404).json({ error: 'Parent directory not found' });
+        } else {
+            res.status(500).json({ error: error.message });
+        }
+    }
+});
+
+// PUT /api/projects/:projectName/files/rename - Rename file or directory
+router.put('/api/projects/:projectName/files/rename', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const { oldPath, newName } = req.body;
+
+        // Validate input
+        if (!oldPath || !newName) {
+            return res.status(400).json({ error: 'oldPath and newName are required' });
+        }
+
+        const nameValidation = validateFilename(newName);
+        if (!nameValidation.valid) {
+            return res.status(400).json({ error: nameValidation.error });
+        }
+
+        // Get project root
+        const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+        if (!projectRoot) {
+            return res.status(404).json({ error: 'Project not found' });
+        }
+
+        // Validate old path
+        const oldValidation = validatePathInProject(projectRoot, oldPath);
+        if (!oldValidation.valid) {
+            return res.status(403).json({ error: oldValidation.error });
+        }
+
+        const resolvedOldPath = oldValidation.resolved;
+
+        // Check if old path exists
+        try {
+            await fsPromises.access(resolvedOldPath);
+        } catch {
+            return res.status(404).json({ error: 'File or directory not found' });
+        }
+
+        // Build and validate new path
+        const parentDir = path.dirname(resolvedOldPath);
+        const resolvedNewPath = path.join(parentDir, newName);
+        const newValidation = validatePathInProject(projectRoot, resolvedNewPath);
+        if (!newValidation.valid) {
+            return res.status(403).json({ error: newValidation.error });
+        }
+
+        // Check if new path already exists
+        try {
+            await fsPromises.access(resolvedNewPath);
+            return res.status(409).json({ error: 'A file or directory with this name already exists' });
+        } catch {
+            // Doesn't exist, which is what we want
+        }
+
+        // Rename
+        await fsPromises.rename(resolvedOldPath, resolvedNewPath);
+
+        res.json({
+            success: true,
+            oldPath: resolvedOldPath,
+            newPath: resolvedNewPath,
+            newName,
+            message: 'Renamed successfully'
+        });
+    } catch (error) {
+        console.error('Error renaming file/directory:', error);
+        if (error.code === 'EACCES') {
+            res.status(403).json({ error: 'Permission denied' });
+        } else if (error.code === 'ENOENT') {
+            res.status(404).json({ error: 'File or directory not found' });
+        } else if (error.code === 'EXDEV') {
+            res.status(400).json({ error: 'Cannot move across different filesystems' });
+        } else {
+            res.status(500).json({ error: error.message });
+        }
+    }
+});
+
+// DELETE /api/projects/:projectName/files - Delete file or directory
+router.delete('/api/projects/:projectName/files', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const { path: targetPath, type } = req.body;
+
+        // Validate input
+        if (!targetPath) {
+            return res.status(400).json({ error: 'Path is required' });
+        }
+
+        // Get project root
+        const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+        if (!projectRoot) {
+            return res.status(404).json({ error: 'Project not found' });
+        }
+
+        // Validate path
+        const validation = validatePathInProject(projectRoot, targetPath);
+        if (!validation.valid) {
+            return res.status(403).json({ error: validation.error });
+        }
+
+        const resolvedPath = validation.resolved;
+
+        // Check if path exists and get stats
+        let stats;
+        try {
+            stats = await fsPromises.stat(resolvedPath);
+        } catch {
+            return res.status(404).json({ error: 'File or directory not found' });
+        }
+
+        // Prevent deleting the project root itself
+        if (resolvedPath === path.resolve(projectRoot)) {
+            return res.status(403).json({ error: 'Cannot delete project root directory' });
+        }
+
+        // Delete based on type
+        if (stats.isDirectory()) {
+            await fsPromises.rm(resolvedPath, { recursive: true, force: true });
+        } else {
+            await fsPromises.unlink(resolvedPath);
+        }
+
+        res.json({
+            success: true,
+            path: resolvedPath,
+            type: stats.isDirectory() ? 'directory' : 'file',
+            message: 'Deleted successfully'
+        });
+    } catch (error) {
+        console.error('Error deleting file/directory:', error);
+        if (error.code === 'EACCES') {
+            res.status(403).json({ error: 'Permission denied' });
+        } else if (error.code === 'ENOENT') {
+            res.status(404).json({ error: 'File or directory not found' });
+        } else if (error.code === 'ENOTEMPTY') {
+            res.status(400).json({ error: 'Directory is not empty' });
+        } else {
+            res.status(500).json({ error: error.message });
+        }
+    }
+});
+
+// POST /api/projects/:projectName/files/upload - Upload files
+// Dynamic import of multer for file uploads
+const uploadFilesHandler = async (req, res) => {
+    // Dynamic import of multer
+    const multer = (await import('multer')).default;
+
+    const uploadMiddleware = multer({
+        storage: multer.diskStorage({
+            destination: (req, file, cb) => {
+                cb(null, os.tmpdir());
+            },
+            filename: (req, file, cb) => {
+                // Use a unique temp name, but preserve original name in file.originalname
+                // Note: file.originalname may contain path separators for folder uploads
+                const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
+                // For temp file, just use a safe unique name without the path
+                cb(null, `upload-${uniqueSuffix}`);
+            }
+        }),
+        limits: {
+            fileSize: 50 * 1024 * 1024, // 50MB limit
+            files: 20 // Max 20 files at once
+        }
+    });
+
+    // Use multer middleware
+    uploadMiddleware.array('files', 20)(req, res, async (err) => {
+        if (err) {
+            console.error('Multer error:', err);
+            if (err.code === 'LIMIT_FILE_SIZE') {
+                return res.status(400).json({ error: 'File too large. Maximum size is 50MB.' });
+            }
+            if (err.code === 'LIMIT_FILE_COUNT') {
+                return res.status(400).json({ error: 'Too many files. Maximum is 20 files.' });
+            }
+            return res.status(500).json({ error: err.message });
+        }
+
+        try {
+            const { projectName } = req.params;
+            const { targetPath, relativePaths } = req.body;
+
+            // Parse relative paths if provided (for folder uploads)
+            let filePaths = [];
+            if (relativePaths) {
+                try {
+                    filePaths = JSON.parse(relativePaths);
+                } catch (e) {
+                    console.log('[DEBUG] Failed to parse relativePaths:', relativePaths);
+                }
+            }
+
+            console.log('[DEBUG] File upload request:', {
+                projectName,
+                targetPath: JSON.stringify(targetPath),
+                targetPathType: typeof targetPath,
+                filesCount: req.files?.length,
+                relativePaths: filePaths
+            });
+
+            if (!req.files || req.files.length === 0) {
+                return res.status(400).json({ error: 'No files provided' });
+            }
+
+            // Get project root
+            const projectRoot = await extractProjectDirectory(projectName).catch(() => null);
+            if (!projectRoot) {
+                return res.status(404).json({ error: 'Project not found' });
+            }
+
+            console.log('[DEBUG] Project root:', projectRoot);
+
+            // Validate and resolve target path
+            // If targetPath is empty or '.', use project root directly
+            const targetDir = targetPath || '';
+            let resolvedTargetDir;
+
+            console.log('[DEBUG] Target dir:', JSON.stringify(targetDir));
+
+            if (!targetDir || targetDir === '.' || targetDir === './') {
+                // Empty path means upload to project root
+                resolvedTargetDir = path.resolve(projectRoot);
+                console.log('[DEBUG] Using project root as target:', resolvedTargetDir);
+            } else {
+                const validation = validatePathInProject(projectRoot, targetDir);
+                if (!validation.valid) {
+                    console.log('[DEBUG] Path validation failed:', validation.error);
+                    return res.status(403).json({ error: validation.error });
+                }
+                resolvedTargetDir = validation.resolved;
+                console.log('[DEBUG] Resolved target dir:', resolvedTargetDir);
+            }
+
+            // Ensure target directory exists
+            try {
+                await fsPromises.access(resolvedTargetDir);
+            } catch {
+                await fsPromises.mkdir(resolvedTargetDir, { recursive: true });
+            }
+
+            // Move uploaded files from temp to target directory
+            const uploadedFiles = [];
+            console.log('[DEBUG] Processing files:', req.files.map(f => ({ originalname: f.originalname, path: f.path })));
+            for (let i = 0; i < req.files.length; i++) {
+                const file = req.files[i];
+                // Use relative path if provided (for folder uploads), otherwise use originalname
+                const fileName = (filePaths && filePaths[i]) ? filePaths[i] : file.originalname;
+                console.log('[DEBUG] Processing file:', fileName, '(originalname:', file.originalname + ')');
+                const destPath = path.join(resolvedTargetDir, fileName);
+
+                // Validate destination path
+                const destValidation = validatePathInProject(projectRoot, destPath);
+                if (!destValidation.valid) {
+                    console.log('[DEBUG] Destination validation failed for:', destPath);
+                    // Clean up temp file
+                    await fsPromises.unlink(file.path).catch(() => {});
+                    continue;
+                }
+
+                // Ensure parent directory exists (for nested files from folder upload)
+                const parentDir = path.dirname(destPath);
+                try {
+                    await fsPromises.access(parentDir);
+                } catch {
+                    await fsPromises.mkdir(parentDir, { recursive: true });
+                }
+
+                // Move file (copy + unlink to handle cross-device scenarios)
+                await fsPromises.copyFile(file.path, destPath);
+                await fsPromises.unlink(file.path);
+
+                uploadedFiles.push({
+                    name: fileName,
+                    path: destPath,
+                    size: file.size,
+                    mimeType: file.mimetype
+                });
+            }
+
+            res.json({
+                success: true,
+                files: uploadedFiles,
+                targetPath: resolvedTargetDir,
+                message: `Uploaded ${uploadedFiles.length} file(s) successfully`
+            });
+        } catch (error) {
+            console.error('Error uploading files:', error);
+            // Clean up any remaining temp files
+            if (req.files) {
+                for (const file of req.files) {
+                    await fsPromises.unlink(file.path).catch(() => {});
+                }
+            }
+            if (error.code === 'EACCES') {
+                res.status(403).json({ error: 'Permission denied' });
+            } else {
+                res.status(500).json({ error: error.message });
+            }
+        }
+    });
+};
+
+router.post('/api/projects/:projectName/files/upload', authenticateToken, uploadFilesHandler);
+
+// Audio transcription endpoint
+router.post('/api/transcribe', authenticateToken, async (req, res) => {
+    try {
+        const multer = (await import('multer')).default;
+        const upload = multer({ storage: multer.memoryStorage() });
+
+        // Handle multipart form data
+        upload.single('audio')(req, res, async (err) => {
+            if (err) {
+                return res.status(400).json({ error: 'Failed to process audio file' });
+            }
+
+            if (!req.file) {
+                return res.status(400).json({ error: 'No audio file provided' });
+            }
+
+            const apiKey = process.env.OPENAI_API_KEY;
+            if (!apiKey) {
+                return res.status(500).json({ error: 'OpenAI API key not configured. Please set OPENAI_API_KEY in server environment.' });
+            }
+
+            try {
+                // Create form data for OpenAI
+                const FormData = (await import('form-data')).default;
+                const formData = new FormData();
+                formData.append('file', req.file.buffer, {
+                    filename: req.file.originalname,
+                    contentType: req.file.mimetype
+                });
+                formData.append('model', 'whisper-1');
+                formData.append('response_format', 'json');
+                formData.append('language', 'en');
+
+                // Make request to OpenAI
+                const response = await fetch('https://api.openai.com/v1/audio/transcriptions', {
+                    method: 'POST',
+                    headers: {
+                        'Authorization': `Bearer ${apiKey}`,
+                        ...formData.getHeaders()
+                    },
+                    body: formData
+                });
+
+                if (!response.ok) {
+                    const errorData = await response.json().catch(() => ({}));
+                    throw new Error(errorData.error?.message || `Whisper API error: ${response.status}`);
+                }
+
+                const data = await response.json();
+                let transcribedText = data.text || '';
+
+                // Check if enhancement mode is enabled
+                const mode = req.body.mode || 'default';
+
+                // If no transcribed text, return empty
+                if (!transcribedText) {
+                    return res.json({ text: '' });
+                }
+
+                // If default mode, return transcribed text without enhancement
+                if (mode === 'default') {
+                    return res.json({ text: transcribedText });
+                }
+
+                // Handle different enhancement modes
+                try {
+                    const OpenAI = (await import('openai')).default;
+                    const openai = new OpenAI({ apiKey });
+
+                    let prompt, systemMessage, temperature = 0.7, maxTokens = 800;
+
+                    switch (mode) {
+                        case 'prompt':
+                            systemMessage = 'You are an expert prompt engineer who creates clear, detailed, and effective prompts.';
+                            prompt = `You are an expert prompt engineer. Transform the following rough instruction into a clear, detailed, and context-aware AI prompt.
+
+Your enhanced prompt should:
+1. Be specific and unambiguous
+2. Include relevant context and constraints
+3. Specify the desired output format
+4. Use clear, actionable language
+5. Include examples where helpful
+6. Consider edge cases and potential ambiguities
+
+Transform this rough instruction into a well-crafted prompt:
+"${transcribedText}"
+
+Enhanced prompt:`;
+                            break;
+
+                        case 'vibe':
+                        case 'instructions':
+                        case 'architect':
+                            systemMessage = 'You are a helpful assistant that formats ideas into clear, actionable instructions for AI agents.';
+                            temperature = 0.5; // Lower temperature for more controlled output
+                            prompt = `Transform the following idea into clear, well-structured instructions that an AI agent can easily understand and execute.
+
+IMPORTANT RULES:
+- Format as clear, step-by-step instructions
+- Add reasonable implementation details based on common patterns
+- Only include details directly related to what was asked
+- Do NOT add features or functionality not mentioned
+- Keep the original intent and scope intact
+- Use clear, actionable language an agent can follow
+
+Transform this idea into agent-friendly instructions:
+"${transcribedText}"
+
+Agent instructions:`;
+                            break;
+
+                        default:
+                            // No enhancement needed
+                            break;
+                    }
+
+                    // Only make GPT call if we have a prompt
+                    if (prompt) {
+                        const completion = await openai.chat.completions.create({
+                            model: 'gpt-4o-mini',
+                            messages: [
+                                { role: 'system', content: systemMessage },
+                                { role: 'user', content: prompt }
+                            ],
+                            temperature: temperature,
+                            max_tokens: maxTokens
+                        });
+
+                        transcribedText = completion.choices[0].message.content || transcribedText;
+                    }
+
+                } catch (gptError) {
+                    console.error('GPT processing error:', gptError);
+                    // Fall back to original transcription if GPT fails
+                }
+
+                res.json({ text: transcribedText });
+
+            } catch (error) {
+                console.error('Transcription error:', error);
+                res.status(500).json({ error: error.message });
+            }
+        });
+    } catch (error) {
+        console.error('Endpoint error:', error);
+        res.status(500).json({ error: 'Internal server error' });
+    }
+});
+
+// Image upload endpoint
+router.post('/api/projects/:projectName/upload-images', authenticateToken, async (req, res) => {
+    try {
+        const multer = (await import('multer')).default;
+        const path = (await import('path')).default;
+        const fs = (await import('fs')).promises;
+        const os = (await import('os')).default;
+
+        // Configure multer for image uploads
+        const storage = multer.diskStorage({
+            destination: async (req, file, cb) => {
+                const uploadDir = path.join(os.tmpdir(), 'claude-ui-uploads', String(req.user.id));
+                await fs.mkdir(uploadDir, { recursive: true });
+                cb(null, uploadDir);
+            },
+            filename: (req, file, cb) => {
+                const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
+                const sanitizedName = file.originalname.replace(/[^a-zA-Z0-9.-]/g, '_');
+                cb(null, uniqueSuffix + '-' + sanitizedName);
+            }
+        });
+
+        const fileFilter = (req, file, cb) => {
+            const allowedMimes = ['image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/svg+xml'];
+            if (allowedMimes.includes(file.mimetype)) {
+                cb(null, true);
+            } else {
+                cb(new Error('Invalid file type. Only JPEG, PNG, GIF, WebP, and SVG are allowed.'));
+            }
+        };
+
+        const upload = multer({
+            storage,
+            fileFilter,
+            limits: {
+                fileSize: 5 * 1024 * 1024, // 5MB
+                files: 5
+            }
+        });
+
+        // Handle multipart form data
+        upload.array('images', 5)(req, res, async (err) => {
+            if (err) {
+                return res.status(400).json({ error: err.message });
+            }
+
+            if (!req.files || req.files.length === 0) {
+                return res.status(400).json({ error: 'No image files provided' });
+            }
+
+            try {
+                // Process uploaded images
+                const processedImages = await Promise.all(
+                    req.files.map(async (file) => {
+                        // Read file and convert to base64
+                        const buffer = await fs.readFile(file.path);
+                        const base64 = buffer.toString('base64');
+                        const mimeType = file.mimetype;
+
+                        // Clean up temp file immediately
+                        await fs.unlink(file.path);
+
+                        return {
+                            name: file.originalname,
+                            data: `data:${mimeType};base64,${base64}`,
+                            size: file.size,
+                            mimeType: mimeType
+                        };
+                    })
+                );
+
+                res.json({ images: processedImages });
+            } catch (error) {
+                console.error('Error processing images:', error);
+                // Clean up any remaining files
+                await Promise.all(req.files.map(f => fs.unlink(f.path).catch(() => { })));
+                res.status(500).json({ error: 'Failed to process images' });
+            }
+        });
+    } catch (error) {
+        console.error('Error in image upload endpoint:', error);
+        res.status(500).json({ error: 'Internal server error' });
+    }
+});
+
+export default router;

server/src/modules/health/health.routes.js

@@ -0,0 +1,21 @@
+import express from 'express';
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+
+const router = express.Router();
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const installMode = fs.existsSync(path.join(__dirname, '../../../../.git')) ? 'git' : 'npm';
+
+// Public health check endpoint (no authentication required)
+router.get('/health', (req, res) => {
+    res.json({
+        status: 'ok',
+        timestamp: new Date().toISOString(),
+        installMode
+    });
+});
+
+export default router;

server/src/modules/projects/projects.inline.routes.js

@@ -0,0 +1,372 @@
+import express from 'express';
+import fs from 'fs';
+import path from 'path';
+import { promises as fsPromises } from 'fs';
+import {
+    getProjects,
+    getSessions,
+    renameProject,
+    deleteSession,
+    deleteProject,
+    addProjectManually,
+    searchConversations
+} from '../../../projects.js';
+import { applyCustomSessionNames, sessionNamesDb } from '../../../database/db.js';
+import { authenticateToken } from '../auth/auth.middleware.js';
+import { WORKSPACES_ROOT, validateWorkspacePath } from './projects.routes.js';
+
+const router = express.Router();
+
+// Broadcast progress to all connected WebSocket clients
+function broadcastProgress(req, progress) {
+    const connectedClients = req.app.locals.connectedClients;
+    if (!connectedClients) return;
+
+    const message = JSON.stringify({
+        type: 'loading_progress',
+        ...progress
+    });
+    connectedClients.forEach(client => {
+        if (client.readyState === 1) {
+            client.send(message);
+        }
+    });
+}
+
+router.get('/api/projects', authenticateToken, async (req, res) => {
+    try {
+        const projects = await getProjects((progress) => broadcastProgress(req, progress));
+        res.json(projects);
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+    }
+});
+
+router.get('/api/projects/:projectName/sessions', authenticateToken, async (req, res) => {
+    try {
+        const { limit = 5, offset = 0 } = req.query;
+        const result = await getSessions(req.params.projectName, parseInt(limit), parseInt(offset));
+        applyCustomSessionNames(result.sessions, 'claude');
+        res.json(result);
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Rename project endpoint
+router.put('/api/projects/:projectName/rename', authenticateToken, async (req, res) => {
+    try {
+        const { displayName } = req.body;
+        await renameProject(req.params.projectName, displayName);
+        res.json({ success: true });
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Delete session endpoint
+router.delete('/api/projects/:projectName/sessions/:sessionId', authenticateToken, async (req, res) => {
+    try {
+        const { projectName, sessionId } = req.params;
+        console.log(`[API] Deleting session: ${sessionId} from project: ${projectName}`);
+        await deleteSession(projectName, sessionId);
+        sessionNamesDb.deleteName(sessionId, 'claude');
+        console.log(`[API] Session ${sessionId} deleted successfully`);
+        res.json({ success: true });
+    } catch (error) {
+        console.error(`[API] Error deleting session ${req.params.sessionId}:`, error);
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Delete project endpoint (force=true to delete with sessions)
+router.delete('/api/projects/:projectName', authenticateToken, async (req, res) => {
+    try {
+        const { projectName } = req.params;
+        const force = req.query.force === 'true';
+        await deleteProject(projectName, force);
+        res.json({ success: true });
+    } catch (error) {
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Create project endpoint
+router.post('/api/projects/create', authenticateToken, async (req, res) => {
+    try {
+        const { path: projectPath } = req.body;
+
+        if (!projectPath || !projectPath.trim()) {
+            return res.status(400).json({ error: 'Project path is required' });
+        }
+
+        const project = await addProjectManually(projectPath.trim());
+        res.json({ success: true, project });
+    } catch (error) {
+        console.error('Error creating project:', error);
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Search conversations content (SSE streaming)
+router.get('/api/search/conversations', authenticateToken, async (req, res) => {
+    const query = typeof req.query.q === 'string' ? req.query.q.trim() : '';
+    const parsedLimit = Number.parseInt(String(req.query.limit), 10);
+    const limit = Number.isNaN(parsedLimit) ? 50 : Math.max(1, Math.min(parsedLimit, 100));
+
+    if (query.length < 2) {
+        return res.status(400).json({ error: 'Query must be at least 2 characters' });
+    }
+
+    res.writeHead(200, {
+        'Content-Type': 'text/event-stream',
+        'Cache-Control': 'no-cache',
+        'Connection': 'keep-alive',
+        'X-Accel-Buffering': 'no',
+    });
+
+    let closed = false;
+    const abortController = new AbortController();
+    req.on('close', () => { closed = true; abortController.abort(); });
+
+    try {
+        await searchConversations(query, limit, ({ projectResult, totalMatches, scannedProjects, totalProjects }) => {
+            if (closed) return;
+            if (projectResult) {
+                res.write(`event: result\ndata: ${JSON.stringify({ projectResult, totalMatches, scannedProjects, totalProjects })}\n\n`);
+            } else {
+                res.write(`event: progress\ndata: ${JSON.stringify({ totalMatches, scannedProjects, totalProjects })}\n\n`);
+            }
+        }, abortController.signal);
+        if (!closed) {
+            res.write(`event: done\ndata: {}\n\n`);
+        }
+    } catch (error) {
+        console.error('Error searching conversations:', error);
+        if (!closed) {
+            res.write(`event: error\ndata: ${JSON.stringify({ error: 'Search failed' })}\n\n`);
+        }
+    } finally {
+        if (!closed) {
+            res.end();
+        }
+    }
+});
+
+const expandWorkspacePath = (inputPath) => {
+    if (!inputPath) return inputPath;
+    if (inputPath === '~') {
+        return WORKSPACES_ROOT;
+    }
+    if (inputPath.startsWith('~/') || inputPath.startsWith('~\\')) {
+        return path.join(WORKSPACES_ROOT, inputPath.slice(2));
+    }
+    return inputPath;
+};
+
+// Browse filesystem endpoint for project suggestions - uses existing getFileTree
+router.get('/api/browse-filesystem', authenticateToken, async (req, res) => {
+    try {
+        const { path: dirPath } = req.query;
+
+        console.log('[API] Browse filesystem request for path:', dirPath);
+        console.log('[API] WORKSPACES_ROOT is:', WORKSPACES_ROOT);
+        // Default to home directory if no path provided
+        const defaultRoot = WORKSPACES_ROOT;
+        let targetPath = dirPath ? expandWorkspacePath(dirPath) : defaultRoot;
+
+        // Resolve and normalize the path
+        targetPath = path.resolve(targetPath);
+
+        // Security check - ensure path is within allowed workspace root
+        const validation = await validateWorkspacePath(targetPath);
+        if (!validation.valid) {
+            return res.status(403).json({ error: validation.error });
+        }
+        const resolvedPath = validation.resolvedPath || targetPath;
+
+        // Security check - ensure path is accessible
+        try {
+            await fs.promises.access(resolvedPath);
+            const stats = await fs.promises.stat(resolvedPath);
+
+            if (!stats.isDirectory()) {
+                return res.status(400).json({ error: 'Path is not a directory' });
+            }
+        } catch (err) {
+            return res.status(404).json({ error: 'Directory not accessible' });
+        }
+
+        // Use existing getFileTree function with shallow depth (only direct children)
+        const fileTree = await getFileTree(resolvedPath, 1, 0, false); // maxDepth=1, showHidden=false
+
+        // Filter only directories and format for suggestions
+        const directories = fileTree
+            .filter(item => item.type === 'directory')
+            .map(item => ({
+                path: item.path,
+                name: item.name,
+                type: 'directory'
+            }))
+            .sort((a, b) => {
+                const aHidden = a.name.startsWith('.');
+                const bHidden = b.name.startsWith('.');
+                if (aHidden && !bHidden) return 1;
+                if (!aHidden && bHidden) return -1;
+                return a.name.localeCompare(b.name);
+            });
+
+        // Add common directories if browsing home directory
+        const suggestions = [];
+        let resolvedWorkspaceRoot = defaultRoot;
+        try {
+            resolvedWorkspaceRoot = await fsPromises.realpath(defaultRoot);
+        } catch (error) {
+            // Use default root as-is if realpath fails
+        }
+        if (resolvedPath === resolvedWorkspaceRoot) {
+            const commonDirs = ['Desktop', 'Documents', 'Projects', 'Development', 'Dev', 'Code', 'workspace'];
+            const existingCommon = directories.filter(dir => commonDirs.includes(dir.name));
+            const otherDirs = directories.filter(dir => !commonDirs.includes(dir.name));
+
+            suggestions.push(...existingCommon, ...otherDirs);
+        } else {
+            suggestions.push(...directories);
+        }
+
+        res.json({
+            path: resolvedPath,
+            suggestions: suggestions
+        });
+
+    } catch (error) {
+        console.error('Error browsing filesystem:', error);
+        res.status(500).json({ error: 'Failed to browse filesystem' });
+    }
+});
+
+router.post('/api/create-folder', authenticateToken, async (req, res) => {
+    try {
+        const { path: folderPath } = req.body;
+        if (!folderPath) {
+            return res.status(400).json({ error: 'Path is required' });
+        }
+        const expandedPath = expandWorkspacePath(folderPath);
+        const resolvedInput = path.resolve(expandedPath);
+        const validation = await validateWorkspacePath(resolvedInput);
+        if (!validation.valid) {
+            return res.status(403).json({ error: validation.error });
+        }
+        const targetPath = validation.resolvedPath || resolvedInput;
+        const parentDir = path.dirname(targetPath);
+        try {
+            await fs.promises.access(parentDir);
+        } catch (err) {
+            return res.status(404).json({ error: 'Parent directory does not exist' });
+        }
+        try {
+            await fs.promises.access(targetPath);
+            return res.status(409).json({ error: 'Folder already exists' });
+        } catch (err) {
+            // Folder doesn't exist, which is what we want
+        }
+        try {
+            await fs.promises.mkdir(targetPath, { recursive: false });
+            res.json({ success: true, path: targetPath });
+        } catch (mkdirError) {
+            if (mkdirError.code === 'EEXIST') {
+                return res.status(409).json({ error: 'Folder already exists' });
+            }
+            throw mkdirError;
+        }
+    } catch (error) {
+        console.error('Error creating folder:', error);
+        res.status(500).json({ error: 'Failed to create folder' });
+    }
+});
+
+// Helper function to convert permissions to rwx format
+function permToRwx(perm) {
+    const r = perm & 4 ? 'r' : '-';
+    const w = perm & 2 ? 'w' : '-';
+    const x = perm & 1 ? 'x' : '-';
+    return r + w + x;
+}
+
+async function getFileTree(dirPath, maxDepth = 3, currentDepth = 0, showHidden = true) {
+    // Using fsPromises from import
+    const items = [];
+
+    try {
+        const entries = await fsPromises.readdir(dirPath, { withFileTypes: true });
+
+        for (const entry of entries) {
+            // Debug: log all entries including hidden files
+
+
+            // Skip heavy build directories and VCS directories
+            if (entry.name === 'node_modules' ||
+                entry.name === 'dist' ||
+                entry.name === 'build' ||
+                entry.name === '.git' ||
+                entry.name === '.svn' ||
+                entry.name === '.hg') continue;
+
+            const itemPath = path.join(dirPath, entry.name);
+            const item = {
+                name: entry.name,
+                path: itemPath,
+                type: entry.isDirectory() ? 'directory' : 'file'
+            };
+
+            // Get file stats for additional metadata
+            try {
+                const stats = await fsPromises.stat(itemPath);
+                item.size = stats.size;
+                item.modified = stats.mtime.toISOString();
+
+                // Convert permissions to rwx format
+                const mode = stats.mode;
+                const ownerPerm = (mode >> 6) & 7;
+                const groupPerm = (mode >> 3) & 7;
+                const otherPerm = mode & 7;
+                item.permissions = ((mode >> 6) & 7).toString() + ((mode >> 3) & 7).toString() + (mode & 7).toString();
+                item.permissionsRwx = permToRwx(ownerPerm) + permToRwx(groupPerm) + permToRwx(otherPerm);
+            } catch (statError) {
+                // If stat fails, provide default values
+                item.size = 0;
+                item.modified = null;
+                item.permissions = '000';
+                item.permissionsRwx = '---------';
+            }
+
+            if (entry.isDirectory() && currentDepth < maxDepth) {
+                // Recursively get subdirectories but limit depth
+                try {
+                    // Check if we can access the directory before trying to read it
+                    await fsPromises.access(item.path, fs.constants.R_OK);
+                    item.children = await getFileTree(item.path, maxDepth, currentDepth + 1, showHidden);
+                } catch (e) {
+                    // Silently skip directories we can't access (permission denied, etc.)
+                    item.children = [];
+                }
+            }
+
+            items.push(item);
+        }
+    } catch (error) {
+        // Only log non-permission errors to avoid spam
+        if (error.code !== 'EACCES' && error.code !== 'EPERM') {
+            console.error('Error reading directory:', error);
+        }
+    }
+
+    return items.sort((a, b) => {
+        if (a.type !== b.type) {
+            return a.type === 'directory' ? -1 : 1;
+        }
+        return a.name.localeCompare(b.name);
+    });
+}
+
+export default router;

server/src/modules/sessions/sessions.inline.routes.js

@@ -0,0 +1,226 @@
+import express from 'express';
+import path from 'path';
+import os from 'os';
+import { promises as fsPromises } from 'fs';
+import { sessionNamesDb } from '../../../database/db.js';
+import { extractProjectDirectory } from '../../../projects.js';
+import { authenticateToken } from '../auth/auth.middleware.js';
+
+const router = express.Router();
+const VALID_PROVIDERS = ['claude', 'codex', 'cursor', 'gemini'];
+
+// Rename session endpoint
+router.put('/api/sessions/:sessionId/rename', authenticateToken, async (req, res) => {
+    try {
+        const { sessionId } = req.params;
+        const safeSessionId = String(sessionId).replace(/[^a-zA-Z0-9._-]/g, '');
+        if (!safeSessionId || safeSessionId !== String(sessionId)) {
+            return res.status(400).json({ error: 'Invalid sessionId' });
+        }
+        const { summary, provider } = req.body;
+        if (!summary || typeof summary !== 'string' || summary.trim() === '') {
+            return res.status(400).json({ error: 'Summary is required' });
+        }
+        if (summary.trim().length > 500) {
+            return res.status(400).json({ error: 'Summary must not exceed 500 characters' });
+        }
+        if (!provider || !VALID_PROVIDERS.includes(provider)) {
+            return res.status(400).json({ error: `Provider must be one of: ${VALID_PROVIDERS.join(', ')}` });
+        }
+        sessionNamesDb.setName(safeSessionId, provider, summary.trim());
+        res.json({ success: true });
+    } catch (error) {
+        console.error(`[API] Error renaming session ${req.params.sessionId}:`, error);
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Get token usage for a specific session
+router.get('/api/projects/:projectName/sessions/:sessionId/token-usage', authenticateToken, async (req, res) => {
+    try {
+        const { projectName, sessionId } = req.params;
+        const { provider = 'claude' } = req.query;
+        const homeDir = os.homedir();
+
+        // Allow only safe characters in sessionId
+        const safeSessionId = String(sessionId).replace(/[^a-zA-Z0-9._-]/g, '');
+        if (!safeSessionId || safeSessionId !== String(sessionId)) {
+            return res.status(400).json({ error: 'Invalid sessionId' });
+        }
+
+        // Handle Cursor sessions - they use SQLite and don't have token usage info
+        if (provider === 'cursor') {
+            return res.json({
+                used: 0,
+                total: 0,
+                breakdown: { input: 0, cacheCreation: 0, cacheRead: 0 },
+                unsupported: true,
+                message: 'Token usage tracking not available for Cursor sessions'
+            });
+        }
+
+        // Handle Gemini sessions - they are raw logs in our current setup
+        if (provider === 'gemini') {
+            return res.json({
+                used: 0,
+                total: 0,
+                breakdown: { input: 0, cacheCreation: 0, cacheRead: 0 },
+                unsupported: true,
+                message: 'Token usage tracking not available for Gemini sessions'
+            });
+        }
+
+        // Handle Codex sessions
+        if (provider === 'codex') {
+            const codexSessionsDir = path.join(homeDir, '.codex', 'sessions');
+
+            // Find the session file by searching for the session ID
+            const findSessionFile = async (dir) => {
+                try {
+                    const entries = await fsPromises.readdir(dir, { withFileTypes: true });
+                    for (const entry of entries) {
+                        const fullPath = path.join(dir, entry.name);
+                        if (entry.isDirectory()) {
+                            const found = await findSessionFile(fullPath);
+                            if (found) return found;
+                        } else if (entry.name.includes(safeSessionId) && entry.name.endsWith('.jsonl')) {
+                            return fullPath;
+                        }
+                    }
+                } catch (error) {
+                    // Skip directories we can't read
+                }
+                return null;
+            };
+
+            const sessionFilePath = await findSessionFile(codexSessionsDir);
+
+            if (!sessionFilePath) {
+                return res.status(404).json({ error: 'Codex session file not found', sessionId: safeSessionId });
+            }
+
+            // Read and parse the Codex JSONL file
+            let fileContent;
+            try {
+                fileContent = await fsPromises.readFile(sessionFilePath, 'utf8');
+            } catch (error) {
+                if (error.code === 'ENOENT') {
+                    return res.status(404).json({ error: 'Session file not found', path: sessionFilePath });
+                }
+                throw error;
+            }
+            const lines = fileContent.trim().split('\n');
+            let totalTokens = 0;
+            let contextWindow = 200000; // Default for Codex/OpenAI
+
+            // Find the latest token_count event with info (scan from end)
+            for (let i = lines.length - 1; i >= 0; i--) {
+                try {
+                    const entry = JSON.parse(lines[i]);
+
+                    // Codex stores token info in event_msg with type: "token_count"
+                    if (entry.type === 'event_msg' && entry.payload?.type === 'token_count' && entry.payload?.info) {
+                        const tokenInfo = entry.payload.info;
+                        if (tokenInfo.total_token_usage) {
+                            totalTokens = tokenInfo.total_token_usage.total_tokens || 0;
+                        }
+                        if (tokenInfo.model_context_window) {
+                            contextWindow = tokenInfo.model_context_window;
+                        }
+                        break; // Stop after finding the latest token count
+                    }
+                } catch (parseError) {
+                    // Skip lines that can't be parsed
+                    continue;
+                }
+            }
+
+            return res.json({
+                used: totalTokens,
+                total: contextWindow
+            });
+        }
+
+        // Handle Claude sessions (default)
+        // Extract actual project path
+        let projectPath;
+        try {
+            projectPath = await extractProjectDirectory(projectName);
+        } catch (error) {
+            console.error('Error extracting project directory:', error);
+            return res.status(500).json({ error: 'Failed to determine project path' });
+        }
+
+        // Construct the JSONL file path
+        // Claude stores session files in ~/.claude/projects/[encoded-project-path]/[session-id].jsonl
+        // The encoding replaces any non-alphanumeric character (except -) with -
+        const encodedPath = projectPath.replace(/[^a-zA-Z0-9-]/g, '-');
+        const projectDir = path.join(homeDir, '.claude', 'projects', encodedPath);
+
+        const jsonlPath = path.join(projectDir, `${safeSessionId}.jsonl`);
+
+        // Constrain to projectDir
+        const rel = path.relative(path.resolve(projectDir), path.resolve(jsonlPath));
+        if (rel.startsWith('..') || path.isAbsolute(rel)) {
+            return res.status(400).json({ error: 'Invalid path' });
+        }
+
+        // Read and parse the JSONL file
+        let fileContent;
+        try {
+            fileContent = await fsPromises.readFile(jsonlPath, 'utf8');
+        } catch (error) {
+            if (error.code === 'ENOENT') {
+                return res.status(404).json({ error: 'Session file not found', path: jsonlPath });
+            }
+            throw error; // Re-throw other errors to be caught by outer try-catch
+        }
+        const lines = fileContent.trim().split('\n');
+
+        const parsedContextWindow = parseInt(process.env.CONTEXT_WINDOW, 10);
+        const contextWindow = Number.isFinite(parsedContextWindow) ? parsedContextWindow : 160000;
+        let inputTokens = 0;
+        let cacheCreationTokens = 0;
+        let cacheReadTokens = 0;
+
+        // Find the latest assistant message with usage data (scan from end)
+        for (let i = lines.length - 1; i >= 0; i--) {
+            try {
+                const entry = JSON.parse(lines[i]);
+
+                // Only count assistant messages which have usage data
+                if (entry.type === 'assistant' && entry.message?.usage) {
+                    const usage = entry.message.usage;
+
+                    // Use token counts from latest assistant message only
+                    inputTokens = usage.input_tokens || 0;
+                    cacheCreationTokens = usage.cache_creation_input_tokens || 0;
+                    cacheReadTokens = usage.cache_read_input_tokens || 0;
+
+                    break; // Stop after finding the latest assistant message
+                }
+            } catch (parseError) {
+                // Skip lines that can't be parsed
+                continue;
+            }
+        }
+
+        // Calculate total context usage (excluding output_tokens, as per ccusage)
+        const totalUsed = inputTokens + cacheCreationTokens + cacheReadTokens;
+
+        res.json({
+            used: totalUsed,
+            total: contextWindow,
+            breakdown: {
+                input: inputTokens,
+                cacheCreation: cacheCreationTokens,
+                cacheRead: cacheReadTokens
+            }
+        });
+    } catch (error) {
+        console.error('Error reading session token usage:', error);
+        res.status(500).json({ error: 'Failed to read session token usage' });
+    }
+});
+
+export default router;

server/src/modules/system/system.routes.js

@@ -0,0 +1,82 @@
+import express from 'express';
+import os from 'os';
+import path from 'path';
+import fs from 'fs';
+import { spawn } from 'child_process';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+import { authenticateToken } from '../auth/auth.middleware.js';
+
+const router = express.Router();
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const installMode = fs.existsSync(path.join(__dirname, '../../../../.git')) ? 'git' : 'npm';
+
+// System update endpoint
+router.post('/api/system/update', authenticateToken, async (req, res) => {
+    try {
+        // Get the project root directory (parent of server directory)
+        const projectRoot = path.join(__dirname, '../../../../');
+
+        console.log('Starting system update from directory:', projectRoot);
+
+        // Run the update command based on install mode
+        const updateCommand = installMode === 'git'
+            ? 'git checkout main && git pull && npm install'
+            : 'npm install -g @siteboon/claude-code-ui@latest';
+
+        const child = spawn('sh', ['-c', updateCommand], {
+            cwd: installMode === 'git' ? projectRoot : os.homedir(),
+            env: process.env
+        });
+
+        let output = '';
+        let errorOutput = '';
+
+        child.stdout.on('data', (data) => {
+            const text = data.toString();
+            output += text;
+            console.log('Update output:', text);
+        });
+
+        child.stderr.on('data', (data) => {
+            const text = data.toString();
+            errorOutput += text;
+            console.error('Update error:', text);
+        });
+
+        child.on('close', (code) => {
+            if (code === 0) {
+                res.json({
+                    success: true,
+                    output: output || 'Update completed successfully',
+                    message: 'Update completed. Please restart the server to apply changes.'
+                });
+            } else {
+                res.status(500).json({
+                    success: false,
+                    error: 'Update command failed',
+                    output: output,
+                    errorOutput: errorOutput
+                });
+            }
+        });
+
+        child.on('error', (error) => {
+            console.error('Update process error:', error);
+            res.status(500).json({
+                success: false,
+                error: error.message
+            });
+        });
+
+    } catch (error) {
+        console.error('System update error:', error);
+        res.status(500).json({
+            success: false,
+            error: error.message
+        });
+    }
+});
+
+export default router;

server/src/runner.ts

@@ -40,6 +40,8 @@ async function importRoute(relativePath: string): Promise<any> {
 }
 
 const [
+    healthRoutes,
+    systemRoutes,
     gitRoutes,
     mcpRoutes,
     cursorRoutes,
@@ -58,7 +60,12 @@ const [
     geminiRoutes,
     pluginsRoutes,
     messagesRoutes,
+    projectsInlineRoutes,
+    filesRoutes,
+    sessionsInlineRoutes,
 ] = await Promise.all([
+    importRoute('./modules/health/health.routes.js'),
+    importRoute('./modules/system/system.routes.js'),
     importRoute('./modules/git/git.routes.js'),
     importRoute('./modules/mcp/mcp.routes.js'),
     importRoute('./modules/cursor/cursor.routes.js'),
@@ -77,6 +84,9 @@ const [
     importRoute('./modules/gemini/gemini.routes.js'),
     importRoute('./modules/plugins/plugins.routes.js'),
     importRoute('./modules/messages/messages.routes.js'),
+    importRoute('./modules/projects/projects.inline.routes.js'),
+    importRoute('./modules/files/files.routes.js'),
+    importRoute('./modules/sessions/sessions.inline.routes.js'),
 ]);
 
 // ---------- MIDDLEWARES ----------------
@@ -106,6 +116,9 @@ app.use((req, res, next) => {
 });
 
 
+// Public health check endpoint (no authentication required)
+app.use(healthRoutes);
+
 // Optional API key validation (if configured)
 app.use('/api', validateApiKey);
 
@@ -163,6 +176,12 @@ app.use('/api/sessions', authenticateToken, messagesRoutes);
 // Agent API Routes (uses API key authentication)
 app.use('/api/agent', agentRoutes);
 
+// System and inline routes migrated from legacy index.js
+app.use(systemRoutes);
+app.use(projectsInlineRoutes);
+app.use(filesRoutes);
+app.use(sessionsInlineRoutes);
+
 // This matches files found in the root public folder (like api-docs.html when we run `/api-docs.html`).
 // If the file is found, it's automatically sent. If it is not, it passes it to the next route checker.
 // This will run in production as well as development URLs.