Update app.py

app.py

@@ -12,7 +12,7 @@ HF_TOKEN = os.environ.get("HF_TOKEN")                 # HuggingFace token
 DEV_PASS = os.environ.get("DEV_PASS")                 # Developer password
 SYSTEM_TAIL = os.environ.get("SYSTEM_TAIL", "")       # Externalized system prompt tail
 
-HF_MODEL = "HydroFlyer53/SusAI"
+HF_MODEL = "openai/gpt-oss-20b"
 MAX_TOKENS = 512
 TEMPERATURE = 0.7
 TOP_P = 0.95