Update app.py

app.py

@@ -30,6 +30,13 @@ app = Flask(__name__, static_folder='web', static_url_path='')
 app.secret_key = os.environ.get("SECRET_KEY", "medical-app-secret-2024-change-in-prod")
 app.permanent_session_lifetime = timedelta(hours=8)
 
+# Necesario para que las cookies funcionen en HF Spaces (proxy/iframe)
+app.config.update(
+    SESSION_COOKIE_SAMESITE="None",
+    SESSION_COOKIE_SECURE=True,
+    SESSION_COOKIE_HTTPONLY=True,
+)
+
 db = DatabaseManager()
 model = None
 CLASS_NAMES = ['Diabetic Retinopathy', 'No Diabetic Retinopathy']
@@ -691,4 +698,4 @@ if __name__ == '__main__':
     print("Cargando modelo de TensorFlow...")
     load_model()
     port = int(os.environ.get('PORT', 7860))
-    app.run(host='0.0.0.0', port=port, debug=False)
+    app.run(host='0.0.0.0', port=port, debug=False)