Update app.py

app.py

@@ -5,11 +5,14 @@ import requests
 
 # Default model used internally; the client only sends plain text
 DEFAULT_MODEL = "kwaipilot/kat-coder-pro:free"
+api_key = os.getenv("OPENROUTER_API_KEY")
 
 app = FastAPI()
 
 @app.get("/")
 def health():
+    if not api_key:
+        return {"status": "no key"}
     return {"status": "ok"}
 
 @app.post("/chat")
@@ -26,7 +29,6 @@ async def chat(request: Request):
     if not text:
         raise HTTPException(status_code=400, detail="Send plain text body or JSON {'text': '...'}")
 
-    api_key = os.getenv("OPENROUTER_API_KEY")
     if not api_key:
         raise HTTPException(status_code=500, detail="OPENROUTER_API_KEY not set")