Update app.py

app.py

@@ -120,6 +120,30 @@ user_state = {}
 conversation_context = {}
 proactive_timer = {}
 
+from datetime import datetime, timedelta
+
+SESSION_TIMEOUT = timedelta(minutes=5)
+
+class ConversationState:
+    def __init__(self):
+        self.flow = None
+        self.step = 0
+        self.data = {}
+        self.last_active = datetime.utcnow()
+
+    def update_last_active(self):
+        self.last_active = datetime.utcnow()
+
+    def is_expired(self):
+        return datetime.utcnow() - self.last_active > SESSION_TIMEOUT
+
+    def reset(self):
+        self.flow = None
+        self.step = 0
+        self.data = {}
+        self.last_active = datetime.utcnow()
+
+
 # --- Updated Menu for Creole Kings ---
 menu_items = [
     {"name": "Jambalaya", "description": "A classic Creole dish with rice, chicken, sausage, and shrimp", "price": 15, "nutrition": "Approximately 500 kcal"},