Update app.py

app.py

@@ -2,7 +2,7 @@ from fastapi import FastAPI, Request, HTTPException
 from fastapi.responses import JSONResponse
 from pydantic import BaseModel, constr
 from memory import add_to_memory, get_memory, get_summary
-from ctransformers import AutoModelForCausalLM
+from src.utils.shared import llm_model
 from src.core.cognitive_engine import CognitiveEngine
 from src.agents.planner import plan_task
 from src.agents.executor import execute_step