implement better-auth auth with postgres and route protection

app/api/me/route.ts

@@ -1,10 +1,17 @@
+import { requireAuthenticatedSession } from '@/lib/server/auth-session';
+
 export async function GET() {
+  const { session, response } = await requireAuthenticatedSession();
+  if (response) {
+    return response;
+  }
+
   return Response.json({
     user: {
-      id: 1,
-      email: 'operator@local.fiscal',
-      name: 'Local Operator',
-      image: null
+      id: session.user.id,
+      email: session.user.email,
+      name: session.user.name,
+      image: session.user.image
     }
   });
 }