wooo another commit

main.py

@@ -39,7 +39,7 @@ import requests
 import uuid
 from dotenv import load_dotenv
 from datetime import datetime
-
+from fastapi.middleware.cors import CORSMiddleware
 load_dotenv()
 
 try:
@@ -148,6 +148,11 @@ def run_query(message: str, intent: str, session_id: str) -> str:
 app = FastAPI(title="Sebayhi", description="Arabic Grammar Education Tutor")
 app.mount("/static", StaticFiles(directory="static"), name="static")
 
+app.add_middleware(
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"]
+)
 # fastapi middleware here --> cookies / session generation logic
 @app.middleware("http")
 async def user_session_management(request: Request, call_next):
@@ -158,7 +163,7 @@ async def user_session_management(request: Request, call_next):
 
     # this if statement is not running OR session_id is never saved and found on mongodb
     if session_id:
-        retrieved_session = collection.find_one({"session_id": session_id})
+        retrieved_session = collection.find_one({"_id": session_id})
         print("FOUND SESSION:", session is not None)
         if retrieved_session:
             collection.update_one(
@@ -209,8 +214,8 @@ class ChatRequest(BaseModel):
 # ── Routes ────────────────────────────────────────────────────────────────────
 
 @app.get("/")
-async def serve_ui(request: Request):
-    session = request.state.session
+async def serve_ui():
+    
     return FileResponse("static/index.html")