fix: resolve IDE errors and missing middleware in API index

apps/api/src/index.ts

@@ -14,7 +14,18 @@ import { analyticsRoutes } from './routes/analytics';
 import { internalRoutes } from './routes/internal';
 import { authRoutes } from './routes/auth';
 import { setupRateLimit } from './middleware/rate-limit';
-import { startCleanupCron } from './scripts/cleanup-temp-files';
+import { cleanupFiles as startCleanupCron } from './services/cleanup';
+
+declare module 'fastify' {
+    interface FastifyRequest {
+        jwtVerify(): Promise<void>;
+        user: {
+            id: string;
+            organizationId: string;
+            role: string;
+        };
+    }
+}
 
 const server: FastifyInstance = fastify({
     logger: true,
@@ -107,7 +118,7 @@ server.get('/health', async (_req, reply) => {
     try {
         await prisma.$queryRaw`SELECT 1`;
         return { status: 'ok', database: 'connected' };
-    } catch (err) {
+    } catch (err: any) {
         reply.status(500).send({ status: 'error', database: 'disconnected' });
     }
 });
@@ -124,7 +135,7 @@ const start = async () => {
         logger.info(`🚀 Server listening on http://0.0.0.0:${port}`);
 
         // Background tasks
-        await setupRateLimit().catch(err => logger.error('[STARTUP] Rate limit error:', err));
+        await setupRateLimit(server).catch(err => logger.error('[STARTUP] Rate limit error:', err));
         startCleanupCron();
         
     } catch (err: any) {

apps/api/src/middleware/rate-limit.ts

@@ -0,0 +1,22 @@
+import { FastifyInstance } from 'fastify';
+import rateLimit from '@fastify/rate-limit';
+import { logger } from '../logger';
+
+export async function setupRateLimit(server: FastifyInstance) {
+    try {
+        await server.register(rateLimit, {
+            max: 100,
+            timeWindow: '1 minute',
+            errorResponseBuilder: (request, context) => {
+                return {
+                    statusCode: 429,
+                    error: 'Too Many Requests',
+                    message: `Rate limit exceeded. Try again in ${context.after}`
+                };
+            }
+        });
+        logger.info('[RATE-LIMIT] Configured successfully.');
+    } catch (err) {
+        logger.error('[RATE-LIMIT] Initialization failed:', err);
+    }
+}