fix guest rsvp additional guests

backend/app/api/routes/events/guests.py

@@ -87,7 +87,7 @@ def process_guest_rsvp(
 
         # Update guest status to match RSVP
         guest_status = map_rsvp_status_to_guest_status(rsvp_data.status)
-        guest = guest_crud.update_status(db, guest_id=guest_id, status=guest_status)
+        guest = guest_crud.update_status(db, guest_id=guest_id, status=guest_status, number_of_guests=rsvp_data.number_of_guests or 0)
 
         # Both operations succeeded, commit the transaction
         db.commit()

backend/app/crud/guest.py

@@ -31,10 +31,11 @@ class CRUDGuest(CRUDBase[Guest, GuestCreate, GuestUpdate]):
     def get_by_invitation_code(self, db: Session, invitation_code: str) -> Optional[Guest]:
         return db.query(Guest).filter(Guest.invitation_code == invitation_code).first()
 
-    def update_status(self, db: Session, guest_id: uuid.UUID, status: GuestStatus):
+    def update_status(self, db: Session, guest_id: uuid.UUID, status: GuestStatus, number_of_guests: int = 0):
         guest = self.get(db, guest_id)
         if guest:
             guest.status = status
+            guest.actual_additional_guests = number_of_guests
             guest.response_date = datetime.now(timezone.utc)
             db.commit()
             db.refresh(guest)