fix: testing with expose header

flask_app.py

@@ -9,7 +9,7 @@ import re
 import pandas as pd
 
 app = Flask(__name__)
-CORS(app, supports_credentials=True, origins="*", allow_headers=["Content-Type", "Authorization", "Access-Control-Allow-Credentials"])
+CORS(app, supports_credentials=True, origins="*", allow_headers=["Content-Type", "Authorization", "Access-Control-Allow-Credentials"], expose_headers=["Set-Cookie"])
 app.config['SESSION_COOKIE_SAMESITE'] = 'None'
 app.config['SESSION_COOKIE_SECURE'] = True
 app.secret_key = os.urandom(24)  # Set a secret key for session encryption