init: rough companion app stub

lib/data/repositories/floor_plan_repository.dart

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+import '../../domain/models/floor_plan.dart';
+
+abstract class FloorPlanRepository {
+  Future<FloorPlan?> getFloorPlan();
+  Future<FloorPlan> saveFloorPlan(FloorPlan plan);
+}

lib/data/repositories/onboarding_repository.dart

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+import '../../domain/models/onboarding_status.dart';
+
+abstract class OnboardingRepository {
+  Future<OnboardingStatus> getStatus();
+  /// Creates the first admin user and returns the issued JWT.
+  Future<String> createAdminUser({required String username, required String password});
+}

lib/data/repositories/phoenix_floor_plan_repository.dart

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+import '../../domain/models/floor_plan.dart';
+import '../sources/localiser/floor_client.dart';
+import 'floor_plan_repository.dart';
+
+class PhoenixFloorPlanRepository implements FloorPlanRepository {
+  const PhoenixFloorPlanRepository({required this.client});
+
+  final FloorClient client;
+
+  @override
+  Future<FloorPlan?> getFloorPlan() => throw UnimplementedError();
+
+  @override
+  Future<FloorPlan> saveFloorPlan(FloorPlan plan) => throw UnimplementedError();
+}

lib/data/repositories/phoenix_onboarding_repository.dart

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+import '../../domain/models/onboarding_status.dart';
+import '../sources/localiser/onboarding_client.dart';
+import 'onboarding_repository.dart';
+
+class PhoenixOnboardingRepository implements OnboardingRepository {
+  const PhoenixOnboardingRepository({required this.client});
+
+  final OnboardingClient client;
+
+  @override
+  Future<OnboardingStatus> getStatus() async {
+    final checklist = await client.getChecklist();
+    if (!checklist.hasAdmin) return OnboardingStatus.notStarted;
+    if (!checklist.hasFloors) return OnboardingStatus.awaitingFloorPlan;
+    if (!checklist.hasSensorsPlaced) return OnboardingStatus.awaitingFirstSensor;
+    return OnboardingStatus.complete;
+  }
+
+  @override
+  Future<String> createAdminUser({
+    required String username,
+    required String password,
+  }) async {
+    final response = await client.setup(username, password);
+    return response.token;
+  }
+}

lib/data/repositories/phoenix_sensor_repository.dart

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+import '../../domain/models/sensor.dart';
+import '../../domain/models/position.dart';
+import '../sources/localiser/sensor_client.dart';
+import 'sensor_repository.dart';
+
+class PhoenixSensorRepository implements SensorRepository {
+  const PhoenixSensorRepository({required this.client});
+
+  final SensorClient client;
+
+  @override
+  Future<List<Sensor>> getSensors() => throw UnimplementedError();
+
+  @override
+  Future<Sensor> getSensor(String id) => throw UnimplementedError();
+
+  @override
+  Future<Sensor> createSensor({required String name, required Position position}) =>
+      throw UnimplementedError();
+
+  @override
+  Future<Sensor> updateSensor(String id, {String? name, Position? position}) =>
+      throw UnimplementedError();
+
+  @override
+  Future<void> deleteSensor(String id) => throw UnimplementedError();
+}

lib/data/repositories/phoenix_tag_repository.dart

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+import '../../domain/models/tag.dart';
+import '../../domain/models/particle.dart';
+import '../sources/localiser/tag_client.dart';
+import '../sources/localiser/realtime_data_client.dart';
+import 'tag_repository.dart';
+
+class PhoenixTagRepository implements TagRepository {
+  const PhoenixTagRepository({
+    required this.tagClient,
+    required this.realtime,
+  });
+
+  final TagClient tagClient;
+  final RealtimeDataClient realtime;
+
+  @override
+  Future<List<Tag>> getTags() => throw UnimplementedError();
+
+  @override
+  Future<Tag> getTag(String id) => throw UnimplementedError();
+
+  @override
+  Future<Tag> createTag({required String id, required String name}) =>
+      throw UnimplementedError();
+
+  @override
+  Future<Tag> updateTag(String id, {String? name}) => throw UnimplementedError();
+
+  @override
+  Future<void> deleteTag(String id) => throw UnimplementedError();
+
+  @override
+  Stream<List<TagPosition>> watchPositions() => throw UnimplementedError();
+
+  @override
+  Stream<List<Particle>> watchParticleCloud() => throw UnimplementedError();
+}

lib/data/repositories/sensor_repository.dart

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+import '../../domain/models/sensor.dart';
+import '../../domain/models/position.dart';
+
+abstract class SensorRepository {
+  Future<List<Sensor>> getSensors();
+  Future<Sensor> getSensor(String id);
+  Future<Sensor> createSensor({required String name, required Position position});
+  Future<Sensor> updateSensor(String id, {String? name, Position? position});
+  Future<void> deleteSensor(String id);
+}

lib/data/repositories/tag_repository.dart

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+import '../../domain/models/tag.dart';
+import '../../domain/models/particle.dart';
+
+abstract class TagRepository {
+  Future<List<Tag>> getTags();
+  Future<Tag> getTag(String id);
+  Future<Tag> createTag({required String id, required String name});
+  Future<Tag> updateTag(String id, {String? name});
+  Future<void> deleteTag(String id);
+
+  /// Live stream of all tag positions, pushed by localiserd over Phoenix channel.
+  Stream<List<TagPosition>> watchPositions();
+
+  /// Live stream of particle filter cloud snapshots.
+  Stream<List<Particle>> watchParticleCloud();
+}