fix(logging): add debug log for truncated messages

Added a debug-level log statement to capture the final set of messages before returning, which aids in tracing message processing and debugging potential issues in the message truncation logic. This enhances transparency and facilitates easier troubleshooting.

src/gptbot/classes/ai/openai.py

@@ -487,12 +487,16 @@ class OpenAI(BaseAI):
             ),
         }
 
-        return (
+        final_messages = (
             [system_message_dict]
             + [truncated_messages[0]]
             + list(reversed(truncated_messages[1:]))
         )
 
+        self.logger.log(f"Truncated messages: {final_messages}", "debug")
+
+        return final_messages
+
     async def generate_chat_response(
         self,
         messages: List[Dict[str, str]],