feat: add sensor move mode to floor plan

lib/features/sensors/sensor_detail_screen.dart

@@ -59,10 +59,7 @@ class _Body extends ConsumerWidget {
           OutlinedButton.icon(
             icon: const Icon(Icons.map_outlined),
             label: const Text('Locate on floor plan'),
-            onPressed: () {
-              ref.read(selectedSensorIdProvider.notifier).state = sensorId;
-              context.go('/floorplan');
-            },
+            onPressed: () => context.go('/floorplan'),
           ),
           const SizedBox(height: 12),
           OutlinedButton.icon(

lib/features/sensors/sensor_detail_sheet.dart

@@ -20,7 +20,8 @@ class SensorDetailSheet extends ConsumerStatefulWidget {
   final int sensorId;
 
   @override
-  ConsumerState<SensorDetailSheet> createState() => _SensorDetailSheetState();
+  ConsumerState<SensorDetailSheet> createState() =>
+      _SensorDetailSheetState();
 }
 
 class _SensorDetailSheetState extends ConsumerState<SensorDetailSheet> {
@@ -196,7 +197,7 @@ class _SheetBody extends StatelessWidget {
             ),
             const SizedBox(height: 24),
             FilledButton.icon(
-              icon: const Icon(Icons.map_outlined),
+              icon: Icon(Icons.my_location),
               label: Text(sensor.isPlaced
                   ? 'Reposition on floor plan'
                   : 'Place on floor plan'),

lib/features/sensors/sensor_list_screen.dart

@@ -12,28 +12,11 @@ class SensorListScreen extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final sensors = ref.watch(sensorsProvider);
-    final selectedId = ref.watch(selectedSensorIdProvider);
 
     return Scaffold(
       appBar: AppBar(title: const Text('Sensors')),
       body: Column(
         children: [
-          if (selectedId != null)
-            MaterialBanner(
-              content: Text('Sensor $selectedId selected on floor plan'),
-              actions: [
-                TextButton(
-                  onPressed: () =>
-                      ref.read(selectedSensorIdProvider.notifier).state = null,
-                  child: const Text('Dismiss'),
-                ),
-                TextButton(
-                  onPressed: () =>
-                      showSensorDetailSheet(context, int.parse(selectedId)),
-                  child: const Text('Open'),
-                ),
-              ],
-            ),
           Expanded(
             child: sensors.when(
               loading: () =>
@@ -54,8 +37,6 @@ class SensorListScreen extends ConsumerWidget {
                           label: 'Unplaced', count: unplaced.length),
                       ...unplaced.map((s) => _SensorTile(
                             sensor: s,
-                            isSelected:
-                                selectedId == s.id.toString(),
                           )),
                     ],
                     if (placed.isNotEmpty) ...[
@@ -63,8 +44,6 @@ class SensorListScreen extends ConsumerWidget {
                           label: 'Placed', count: placed.length),
                       ...placed.map((s) => _SensorTile(
                             sensor: s,
-                            isSelected:
-                                selectedId == s.id.toString(),
                           )),
                     ],
                   ],
@@ -108,7 +87,7 @@ class _SectionHeader extends StatelessWidget {
 }
 
 class _SensorTile extends StatelessWidget {
-  const _SensorTile({required this.sensor, required this.isSelected});
+  const _SensorTile({required this.sensor, this.isSelected = false});
 
   final Sensor sensor;
   final bool isSelected;