Update app.py

app.py

@@ -68,6 +68,10 @@ def build_prompt(user_text: str) -> str:
     return f"<|system|>\n{SYSTEM_PROMPT}\n<|user|>\n{user_text}\n<|assistant|>\n"
 
 # ---------- API endpoint ----------
+@app.get("/")
+def root():
+    return {"status": "ok"}
+    
 @app.post("/generate")
 def generate(req: PromptRequest):
     llm_instance = get_llm()  # lazy load