Fix CORS and linting in app.ts for stable deploy

src/server/app.ts

@@ -58,7 +58,7 @@ app.use(cors({
         }
     },
     methods: ['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS'],
-    allowedHeaders: ['Content-Type', 'Authorization', 'x-organization-id']
+    allowedHeaders: ['Content-Type', 'Authorization', 'x-organization-id', 'x-organization-name']
 }));
 
 app.use(express.json({ limit: '5mb' }));
@@ -111,7 +111,7 @@ app.use((req, res, next) => {
 });
 
 // Error handler
-app.use((err: any, req: express.Request, res: express.Response, next: express.NextFunction) => {
+app.use((err: Error, req: express.Request, res: express.Response, _next: express.NextFunction) => {
     console.error('Express Error:', err);
     if (err.message === 'Not allowed by CORS') {
         return res.status(403).json({ error: 'CORS error' });