Improve API key debugging in Modal proxy

modal_proxy.py

@@ -27,13 +27,19 @@ 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
+        # In Modal, secrets are injected as environment variables
+        # The secret name "youtubeapikey" should make the key available as YOUTUBE_API_KEY
         api_key = os.environ.get("YOUTUBE_API_KEY", "")
         if not api_key:
-            # Try alternative names that Modal might use
-            api_key = os.environ.get("youtubeapikey", "")
+            # If not found, try the secret name directly
+            secret_data = os.environ.get("youtubeapikey", "")
+            if secret_data:
+                api_key = secret_data
+
         if not api_key:
-            return {"success": False, "error": f"YouTube API key not found. Available env vars: {list(os.environ.keys())}", "tracks": []}
+            # Debug: show what environment variables are available
+            available_vars = [k for k in os.environ.keys() if 'key' in k.lower() or 'api' in k.lower()]
+            return {"success": False, "error": f"YouTube API key not found. Check Modal secret 'youtubeapikey' has YOUTUBE_API_KEY variable. Available key vars: {available_vars}", "tracks": []}
 
         params = {
             'part': 'snippet',