fix: default port fallback to 3000

server.mjs

@@ -10,7 +10,7 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 const app = express();
-const PORT = process.env.PORT || 849;
+const PORT = process.env.PORT || 3000;
 const DATA_DIR = process.env.DATA_DIR || path.join(__dirname, 'data');
 const TEMP_DIR = path.join(DATA_DIR, 'temp');
 const UPLOADS_DIR = path.join(DATA_DIR, 'uploads');