temp: disable tools for minimax to debug API issues

src/ai_client.py

@@ -1775,9 +1775,10 @@ def _send_minimax(md_content: str, user_message: str, base_dir: str,
    request_payload["temperature"] = 1.0
    request_payload["max_tokens"] = min(_max_tokens, 8192)
    
-   tools = _get_deepseek_tools()
-   if tools:
-    request_payload["tools"] = tools
+   # tools disabled for now - MiniMax tool format issue
+   # tools = _get_deepseek_tools()
+   # if tools:
+   #  request_payload["tools"] = tools
    
    events.emit("request_start", payload={"provider": "minimax", "model": _model, "round": round_idx, "streaming": stream})