feat(location): add manual frequency option and optimize position loading

modules/legacy/modules/location/lib/src/features/location/presentation/providers/location_controller.dart

@@ -25,15 +25,22 @@ class LocationController extends _$LocationController {
     final device = ref.watch(selectedDeviceProvider).value;
     if (device == null) return const LocationState();
 
-    final results = await Future.wait([
-      repo.getGeofences(deviceId: device.id),
-      repo.getFrequentPlaces(deviceId: device.id),
-    ]);
+    await Future<void>.delayed(const Duration(milliseconds: 300));
+    if (!ref.mounted) return const LocationState();
 
-    return LocationState(
-      geofences: results[0] as List<GeofenceEntity>,
-      frequentPlaces: results[1] as List<FrequentPlaceEntity>,
-    );
+    try {
+      final results = await Future.wait([
+        repo.getGeofences(deviceId: device.id),
+        repo.getFrequentPlaces(deviceId: device.id),
+      ]);
+
+      return LocationState(
+        geofences: results[0] as List<GeofenceEntity>,
+        frequentPlaces: results[1] as List<FrequentPlaceEntity>,
+      );
+    } catch (_) {
+      return const LocationState();
+    }
   }
 
   Future<bool> createGeofence({

modules/legacy/modules/location/lib/src/features/location/presentation/widgets/location_map.dart

@@ -645,7 +645,7 @@ class _LocationMapState extends ConsumerState<LocationMap>
                 currentFrequency:
                     ref.watch(selectedDeviceProvider).value?.settings.frequency ?? 60,
                 options: widget.selectedDevice!.capabilities!.location!.options
-                    .where((o) => o > 0)
+                    .where((o) => o > 0 || o == -1)
                     .toList(),
                 onChanged: _updateFrequency,
               ),

modules/legacy/modules/location/lib/src/features/location/presentation/widgets/map_controls/map_actions_panel.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:location/src/features/location/presentation/providers/location_map_controller.dart';
+import 'package:sf_localizations/sf_localizations.dart';
 import 'package:utils/utils.dart';
 import 'map_action_button.dart';
 
@@ -136,8 +137,9 @@ class FrequencySelector extends ConsumerWidget {
                   vm.collapseFrequency();
                 },
                 child: Container(
-                  width: 40,
+                  constraints: const BoxConstraints(minWidth: 40),
                   height: 32,
+                  padding: const EdgeInsets.symmetric(horizontal: 6),
                   margin: const EdgeInsets.symmetric(vertical: 2),
                   decoration: BoxDecoration(
                     color: selected
@@ -147,9 +149,11 @@ class FrequencySelector extends ConsumerWidget {
                   ),
                   child: Center(
                     child: Text(
-                      formatSecondsCompact(opt),
+                      opt == -1
+                          ? context.translate(I18n.locationFrequencyManual)
+                          : formatSecondsCompact(opt),
                       style: TextStyle(
-                        fontSize: 12,
+                        fontSize: opt == -1 ? 10 : 12,
                         fontWeight: FontWeight.w600,
                         color: selected
                             ? Theme.of(context).colorScheme.surface

modules/legacy/packages/legacy_device_state/lib/src/legacy_device_remote_datasource_impl.dart

@@ -14,6 +14,7 @@ class LegacyDeviceRemoteDatasourceImpl implements LegacyDeviceRemoteDatasource {
     try {
       final response = await _repository.get<Map<String, dynamic>>(
         '/devices/identificator/$deviceId/positions',
+        queryParameters: <String, dynamic>{'pageSize': 5},
       );
 
       final data = response.data;

modules/legacy/packages/legacy_device_state/lib/src/legacy_device_view_model.dart

@@ -21,7 +21,7 @@ class LegacyDeviceViewModel extends AsyncNotifier<LegacyDeviceViewState> {
     final devices = await ref.watch(legacyDevicesProvider.future);
     if (devices.isEmpty) return const LegacyDeviceViewState();
 
-    final selected = await ref.watch(selectedDeviceProvider.future);
+    final selected = await ref.read(selectedDeviceProvider.future);
 
     final (latestPositions, hadError) = await _fetchPositions(devices);
     final selectedPosition = selected != null

packages/utils/lib/src/duration_format.dart

@@ -1,4 +1,5 @@
 String formatSecondsCompact(int seconds) {
+  if (seconds < 0) return '';
   if (seconds >= 3600) return '${seconds ~/ 3600}h';
   if (seconds >= 60) return '${seconds ~/ 60}m';
   return '${seconds}s';