Fix: Indentation error in YouTubeService and Add Global Exception Handler

backend/main.py

@@ -58,3 +58,16 @@ else:
 @app.get("/health")
 def health_check():
     return {"status": "ok"}
+
+from fastapi import Request
+from fastapi.responses import JSONResponse
+
+@app.exception_handler(Exception)
+async def global_exception_handler(request: Request, exc: Exception):
+    import traceback
+    error_detail = "".join(traceback.format_exception(None, exc, exc.__traceback__))
+    print(f"Global 500 Error: {error_detail}")
+    return JSONResponse(
+        status_code=500,
+        content={"message": "Internal Server Error", "detail": error_detail}
+    )

backend/services/youtube.py

@@ -243,6 +243,7 @@ class YouTubeService:
             response = {"tracks": tracks}
             self.cache.set(cache_key, response, ttl_seconds=3600)
             return response
+        except Exception as e:
             print(f"Rec Error: {e}")
             return {"tracks": []}