Update app.py

app.py

@@ -94,11 +94,12 @@ app = FastAPI(title="TrueWrite Scan (Python Backend)")
 
 app.add_middleware(
     CORSMiddleware,
-    allow_origin_regex=r"https://true-write-scan.vercel.app", 
+    allow_origin_regex=r"https://true-write-scan.*\.vercel\.app",
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],
 )
+)
 
 # ------------------ MODELS ------------------
 class SignupRequest(BaseModel):