Update app.py

app.py

@@ -20,7 +20,7 @@ class OpenRouterLLM(ChatOpenAI):
     """Custom OpenRouter LLM wrapper for LangGraph"""
     
     def __init__(self, model: str = "deepseek/deepseek-v3.1-terminus", **kwargs):
-        api_key = os.getenv("OPENROUTER_API_KEY") or os.getenv("my_key")
+        api_key = os.getenv("OPENROUTER_API_KEY") or os.getenv("agentkey")
         super().__init__(
             model=model,
             openai_api_key=api_key,