Add debug logging for API key initialization in ClaudeProvider and GeminiProvider

chat/providers/claude_provider.py

@@ -20,6 +20,10 @@ class ClaudeProvider(AIProvider):
         self.api_key = os.getenv("ANTHROPIC_API_KEY", "")
         self.api_available = bool(self.api_key and not self.api_key.startswith("your_"))
 
+        # Debug logging
+        key_status = "not set" if not self.api_key else f"set ({len(self.api_key)} chars)"
+        logger.info(f"ClaudeProvider init: ANTHROPIC_API_KEY {key_status}")
+
         if self.api_available:
             try:
                 self.client = Anthropic(api_key=self.api_key)

chat/providers/gemini_provider.py

@@ -24,6 +24,10 @@ class GeminiProvider(AIProvider):
         self.model = None
         self._initialized = False
 
+        # Debug logging
+        key_status = "not set" if not self.api_key else f"set ({len(self.api_key)} chars)"
+        logger.info(f"GeminiProvider init: GOOGLE_API_KEY {key_status}")
+
         if not self.api_available:
             logger.warning("GeminiProvider: GOOGLE_API_KEY not configured")
         else:

requirements.txt

@@ -1,5 +1,5 @@
 # Core Framework
-gradio>=5.9.0
+gradio==5.12.0
 fastmcp>=0.3.0
 
 # AI/ML