Overflight improvements

backend/app/api/endpoints/overflights.py

@@ -127,7 +127,7 @@ async def update_overflight_status(
         db, 
         overflight_id=overflight_id, 
         status=status_update.status,
-        timestamp=status_update.timestamp if hasattr(status_update, 'timestamp') else None,
+        timestamp=status_update.qsy_dt,
         user=current_user.username,
         user_ip=client_ip
     )

backend/app/schemas/overflight.py

@@ -93,6 +93,7 @@ class OverflightUpdate(BaseModel):
 
 class OverflightStatusUpdate(BaseModel):
     status: OverflightStatus
+    qsy_dt: Optional[datetime] = None
 
 
 class Overflight(OverflightBase):