Update text generation model to nvidia/gpt-oss-120b-Eagle3 in load_model function

main.py

@@ -17,7 +17,7 @@ class Prompt(BaseModel):
 async def load_model():
     global generator
     try:
-        generator = pipeline("text-generation", model="mistralai/Mistral-7B-Instruct-v0.2", use_auth_token=True)
+        generator = pipeline("text-generation", model="nvidia/gpt-oss-120b-Eagle3", use_auth_token=True)
     except Exception:
         # fallback to public model
         generator = pipeline("text-generation", model="distilgpt2")