feat: implement sensor calibration flow

lib/features/sensors/sensor_detail_sheet.dart

@@ -4,6 +4,7 @@ import 'package:go_router/go_router.dart';
 
 import '../../domain/models/sensor.dart';
 import '../../providers.dart';
+import 'calibration_sheet.dart';
 
 void showSensorDetailSheet(BuildContext context, int sensorId) {
   showModalBottomSheet<void>(
@@ -125,6 +126,10 @@ class _SensorDetailSheetState extends ConsumerState<SensorDetailSheet> {
           }),
           onSaveName: () => _saveName(sensor),
           onPlace: () => _placeOnFloorPlan(context, sensor),
+          onCalibrate: () {
+            Navigator.of(context, rootNavigator: true).pop();
+            showCalibrationSheet(context, sensor.id, sensor.sensorId);
+          },
           onDelete: () => _delete(context, sensor),
         );
       },
@@ -142,6 +147,7 @@ class _SheetBody extends StatelessWidget {
     required this.onEditToggle,
     required this.onSaveName,
     required this.onPlace,
+    required this.onCalibrate,
     required this.onDelete,
   });
 
@@ -153,6 +159,7 @@ class _SheetBody extends StatelessWidget {
   final VoidCallback onEditToggle;
   final VoidCallback onSaveName;
   final VoidCallback onPlace;
+  final VoidCallback onCalibrate;
   final VoidCallback onDelete;
 
   @override
@@ -226,6 +233,12 @@ class _SheetBody extends StatelessWidget {
               onPressed: onPlace,
             ),
             const SizedBox(height: 12),
+            OutlinedButton.icon(
+              icon: const Icon(Icons.radar),
+              label: const Text('Calibrate'),
+              onPressed: onCalibrate,
+            ),
+            const SizedBox(height: 8),
             OutlinedButton.icon(
               icon: const Icon(Icons.bluetooth),
               label: const Text('Reprovision'),