feat: display room name in tag list, detail sheet

lib/features/tags/tag_detail_sheet.dart

@@ -75,6 +75,7 @@ class _TagDetailSheetState extends ConsumerState<TagDetailSheet> {
     final tagAsync = ref.watch(tagProvider(widget.tagId));
     final occupancy = ref.watch(roomOccupancyProvider);
     final trackedTag = ref.watch(trackedTagProvider);
+    final roomsAsync = ref.watch(roomsProvider);
 
     return tagAsync.when(
       loading: () => const SizedBox(
@@ -120,7 +121,10 @@ class _TagDetailSheetState extends ConsumerState<TagDetailSheet> {
                 Row(
                   children: [
                     Icon(
-                      tag.currentRoomId != null
+                      tag.lastSeen?.isAfter(
+                                DateTime.now().subtract(.new(minutes: 3)),
+                              ) ??
+                              false
                           ? Icons.label
                           : Icons.label_outline,
                     ),
@@ -159,7 +163,13 @@ class _TagDetailSheetState extends ConsumerState<TagDetailSheet> {
                 _InfoRow(
                   label: 'Current room',
                   value: currentRoomId != null
-                      ? 'Room $currentRoomId'
+                      ? (roomsAsync.whenOrNull(
+                              data: (data) => data
+                                  .where((r) => r.id == currentRoomId)
+                                  .firstOrNull
+                                  ?.name,
+                            ) ??
+                            'Not detected')
                       : 'Not detected',
                 ),
                 if (tag.lastSeen != null)

lib/features/tags/tag_list_screen.dart

@@ -13,6 +13,7 @@ class TagListScreen extends ConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     final tags = ref.watch(tagsProvider);
     final occupancy = ref.watch(roomOccupancyProvider);
+    final roomsAsync = ref.watch(roomsProvider);
 
     // Invert occupancy map: tagId -> roomId
     final tagRoomMap = <String, int>{};
@@ -52,10 +53,17 @@ class TagListScreen extends ConsumerWidget {
             child: ListView(
               physics: const AlwaysScrollableScrollPhysics(),
               children: list
-                  .map((t) => _TagTile(
-                        tag: t,
-                        roomId: tagRoomMap[t.tagId],
-                      ))
+                  .map(
+                    (t) => _TagTile(
+                      tag: t,
+                      roomName: roomsAsync.whenOrNull(
+                        data: (data) => data
+                            .where((r) => r.id == tagRoomMap[t.tagId])
+                            .firstOrNull
+                            ?.name,
+                      ),
+                    ),
+                  )
                   .toList(),
             ),
           );
@@ -70,20 +78,20 @@ class TagListScreen extends ConsumerWidget {
 }
 
 class _TagTile extends StatelessWidget {
-  const _TagTile({required this.tag, required this.roomId});
+  const _TagTile({required this.tag, required this.roomName});
 
   final Tag tag;
-  final int? roomId;
+  final String? roomName;
 
   @override
   Widget build(BuildContext context) {
-    final isDetected = roomId != null;
+    final isDetected = roomName != null;
     return ListTile(
       leading: Icon(isDetected ? Icons.label : Icons.label_outline),
       title: Text(tag.name),
-      subtitle: Text(isDetected ? 'Room $roomId' : 'Not detected'),
+      subtitle: Text(isDetected ? roomName! : 'Not detected'),
       trailing: const Icon(Icons.chevron_right),
       onTap: () => showTagDetailSheet(context, tag.id),
     );
   }
-}
+}