Phases 2-4: Auth, providers, stream management

src/index.ts

@@ -1,5 +1,6 @@
 import { buildApp } from './app.js';
 import { config } from './config.js';
+import { startTokenRefreshScheduler, stopTokenRefreshScheduler } from './services/token-refresh.service.js';
 
 async function main() {
   const app = await buildApp();
@@ -7,6 +8,19 @@ async function main() {
   try {
     await app.listen({ port: config.port, host: config.host });
     app.log.info(`Server listening on ${config.host}:${config.port}`);
+
+    // Start background token refresh
+    startTokenRefreshScheduler(app.prisma, app.log);
+
+    // Graceful shutdown
+    for (const signal of ['SIGINT', 'SIGTERM'] as const) {
+      process.on(signal, async () => {
+        app.log.info(`Received ${signal}, shutting down...`);
+        stopTokenRefreshScheduler();
+        await app.close();
+        process.exit(0);
+      });
+    }
   } catch (err) {
     app.log.error(err);
     process.exit(1);