feat: add schedule sheet and tag input components

- Implemented ScheduleSheet component to display channel schedules with a timeline view.
- Added DayRow subcomponent for rendering daily schedule slots with color coding.
- Integrated ScheduleSheet into the DashboardPage for viewing schedules of selected channels.
- Created TagInput component for managing tags with add and remove functionality.
- Updated package dependencies to include zod version 4.3.6.

k-tv-frontend/app/(main)/dashboard/page.tsx

@@ -14,6 +14,7 @@ import { ChannelCard } from "./components/channel-card";
 import { CreateChannelDialog } from "./components/create-channel-dialog";
 import { DeleteChannelDialog } from "./components/delete-channel-dialog";
 import { EditChannelSheet } from "./components/edit-channel-sheet";
+import { ScheduleSheet } from "./components/schedule-sheet";
 import type { ChannelResponse, ProgrammingBlock, RecyclePolicy } from "@/lib/types";
 
 export default function DashboardPage() {
@@ -27,6 +28,7 @@ export default function DashboardPage() {
   const [createOpen, setCreateOpen] = useState(false);
   const [editChannel, setEditChannel] = useState<ChannelResponse | null>(null);
   const [deleteTarget, setDeleteTarget] = useState<ChannelResponse | null>(null);
+  const [scheduleChannel, setScheduleChannel] = useState<ChannelResponse | null>(null);
 
   const handleCreate = (data: {
     name: string;
@@ -114,6 +116,7 @@ export default function DashboardPage() {
               onEdit={() => setEditChannel(channel)}
               onDelete={() => setDeleteTarget(channel)}
               onGenerateSchedule={() => generateSchedule.mutate(channel.id)}
+              onViewSchedule={() => setScheduleChannel(channel)}
             />
           ))}
         </div>
@@ -137,6 +140,12 @@ export default function DashboardPage() {
         error={updateChannel.error?.message}
       />
 
+      <ScheduleSheet
+        channel={scheduleChannel}
+        open={!!scheduleChannel}
+        onOpenChange={(open) => { if (!open) setScheduleChannel(null); }}
+      />
+
       {deleteTarget && (
         <DeleteChannelDialog
           channelName={deleteTarget.name}