feat(frontend): ScheduleConfig V2 types, weekday schema, export update

k-tv-frontend/app/(main)/dashboard/components/channel-card.tsx

@@ -71,7 +71,9 @@ export function ChannelCard({
   onMoveDown,
 }: ChannelCardProps) {
   const [confirmOpen, setConfirmOpen] = useState(false);
-  const blockCount = channel.schedule_config.blocks.length;
+  const blockCount = Object.values(channel.schedule_config.day_blocks).reduce(
+    (sum, blocks) => sum + blocks.length, 0
+  );
   const { status, label } = useScheduleStatus(channel.id);
 
   const scheduleColor =