Fix client path resolution for Docker

Dockerfile

@@ -24,6 +24,7 @@ USER node
 
 # Hugging Face Spaces uses port 7860, Render/Railway use PORT env
 ENV PORT=7860
+ENV NODE_ENV=production
 EXPOSE 7860
 
 # Start server (path changed due to rootDir: "..")

server/src/index.ts

@@ -15,7 +15,10 @@ const app = express();
 app.use(cors());
 
 // Serve static files from client build in production
-const clientPath = path.join(__dirname, '../../client/dist');
+// Use process.cwd() for Docker (cwd is /app), fallback to relative path for local dev
+const clientPath = process.env.NODE_ENV === 'production' 
+  ? path.join(process.cwd(), 'client/dist')
+  : path.join(__dirname, '../../client/dist');
 app.use(express.static(clientPath));
 
 const httpServer = createServer(app);