chore: prepare yanting monorepo handoff

report-notebooklm-api/app/cache.py

@@ -0,0 +1,15 @@
+from redis.asyncio import Redis
+
+from app.config import get_settings
+
+
+settings = get_settings()
+
+
+def prefixed_key(key: str) -> str:
+    return f"{settings.redis_key_prefix}{key}"
+
+
+def get_redis() -> Redis:
+    return Redis.from_url(settings.redis_url, decode_responses=True)
+