fix: Force dynamic rendering and improve error handling

- Add 'force-dynamic' to app/page.tsx to ensure daily puzzle is generated on every request
- Improve error message in Game component when no puzzle is available
- Add logging to getDailyPuzzle for debugging

app/page.tsx

@@ -1,5 +1,7 @@
 import Game from '@/components/Game';
 
+export const dynamic = 'force-dynamic';
+
 import { PrismaClient } from '@prisma/client';
 
 // PrismaClient is attached to the `global` object in development to prevent