Add debug logging for Supabase environment variables

CHANGELOG.md

@@ -49,6 +49,11 @@
   - Added comprehensive logging (success, error, quota exceeded)
   - Added token aggregation from all sub-agents
 
+### Fixed
+- **Supabase Client Debug Logging**
+  - Added debug output to show SUPABASE_URL and SUPABASE_KEY values during initialization
+  - Helps troubleshoot environment variable loading issues on HF Spaces
+
 - **GenerationAgent (agents/generation_agent.py)**
   - Added token usage extraction from OpenAI response
   - Returns usage info in response dict

utils/supabase_client.py

@@ -25,6 +25,10 @@ class SupabaseClient:
         self.supabase_url = supabase_url or os.getenv('SUPABASE_URL')
         self.supabase_key = supabase_key or os.getenv('SUPABASE_KEY')
 
+        # Debug logging
+        print(f"SupabaseClient: SUPABASE_URL from env: {self.supabase_url[:50] if self.supabase_url else 'None'}")
+        print(f"SupabaseClient: SUPABASE_KEY from env: {'[SET]' if self.supabase_key else 'None'}")
+
         if not self.supabase_url or not self.supabase_key:
             print("WARNING: Supabase credentials not configured. Logging will be disabled.")
             self.client = None