minor frontend changes

backend/app.py

@@ -445,10 +445,12 @@ def get_schedule_week(start: str | None = None) -> dict[str, Any]:
 	week_start_date = datetime.strptime(week_start, "%Y-%m-%d").date()
 	rows = db.get_schedule_week(week_start, DB_PATH)
 	all_rows = db.get_schedule_rows_for_latest_version(DB_PATH)
+	completion_date = max((row.scheduled_date for row in all_rows), default=None)
 	holiday_dates = db.list_holidays(DB_PATH)
 	return {
 		"start_date": week_start,
 		"items": [_serialize_schedule_row(row) for row in rows],
+		"completion_date": completion_date,
 		"windows": _build_schedule_windows(week_start_date, all_rows, holiday_dates),
 	}