fix(config): update MiniMax model identifier to MiniMax-M2.5-highspeed

agent/api/api.py

@@ -10,5 +10,5 @@ def get_llm():
     global _llm
     if _llm is None:
         # _llm = ChatGoogleGenerativeAI(model="gemini-3-flash-preview")
-        _llm = MiniMaxChat(model="m2.5-highspeed")
+        _llm = MiniMaxChat(model="MiniMax-M2.5-highspeed")
     return _llm