Debug API key access in Modal

modal_proxy.py

@@ -27,9 +27,13 @@ def search_youtube(query: str, limit: int = 5) -> Dict[str, Any]:
         # YouTube Data API v3 search endpoint
         url = "https://www.googleapis.com/youtube/v3/search"
         # Get API key from Modal secret
+        # Modal secrets are available as environment variables with the same name as the secret
         api_key = os.environ.get("YOUTUBE_API_KEY", "")
         if not api_key:
-            return {"success": False, "error": "YouTube API key not found in environment", "tracks": []}
+            # Try alternative names that Modal might use
+            api_key = os.environ.get("youtubeapikey", "")
+        if not api_key:
+            return {"success": False, "error": f"YouTube API key not found. Available env vars: {list(os.environ.keys())}", "tracks": []}
 
         params = {
             'part': 'snippet',