feat: Add MET history isolation

test/providers/contacts_provider_profile_scope_test.dart

@@ -0,0 +1,69 @@
+import 'dart:typed_data';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meshcore_sar_app/models/contact.dart';
+import 'package:meshcore_sar_app/providers/contacts_provider.dart';
+import 'package:meshcore_sar_app/services/contact_storage_service.dart';
+import 'package:meshcore_sar_app/services/profiles_feature_service.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  Contact createContact({
+    required Uint8List key,
+    required String name,
+  }) {
+    return Contact(
+      publicKey: key,
+      type: ContactType.chat,
+      flags: 0,
+      outPathLen: 0,
+      outPath: Uint8List(64),
+      advName: name,
+      lastAdvert: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+      advLat: (46.0569 * 1e6).round(),
+      advLon: (14.5058 * 1e6).round(),
+      lastMod: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+    );
+  }
+
+  setUp(() {
+    SharedPreferences.setMockInitialValues({});
+    ProfileStorageScope.setScope(
+      profilesEnabled: true,
+      activeProfileId: 'default',
+    );
+  });
+
+  test('initializeEarly respects the active profile storage namespace', () async {
+    final storage = ContactStorageService();
+    final defaultContact = createContact(
+      key: Uint8List.fromList(List<int>.filled(32, 1)),
+      name: 'Default Contact',
+    );
+    final alphaContact = createContact(
+      key: Uint8List.fromList(List<int>.filled(32, 2)),
+      name: 'Alpha Contact',
+    );
+
+    await storage.saveContacts([defaultContact]);
+    await storage.saveContacts([alphaContact], namespace: 'alpha');
+
+    ProfileStorageScope.setScope(
+      profilesEnabled: true,
+      activeProfileId: 'alpha',
+    );
+
+    final provider = ContactsProvider();
+    await provider.initializeEarly();
+
+    final names = provider.contacts
+        .where((contact) => !contact.isChannel)
+        .map((contact) => contact.advName)
+        .toList();
+
+    expect(names, <String>['Alpha Contact']);
+    expect(provider.storageNamespace, 'alpha');
+  });
+}

test/services/bthome_met_history_test.dart

@@ -0,0 +1,55 @@
+import 'dart:typed_data';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meshcore_sar_app/models/contact.dart';
+import 'package:meshcore_sar_app/services/bthome_met_history.dart';
+
+void main() {
+  test('parses a valid BTHome MET history response', () {
+    final parsed = BTHomeMetHistoryParser.parse('1,0,4,11.2,11.8,12.1,12.3');
+
+    expect(parsed.measurement, BTHomeMetMeasurement.temperature);
+    expect(parsed.page, 0);
+    expect(parsed.values, <double>[11.2, 11.8, 12.1, 12.3]);
+    expect(parsed.latest, 12.3);
+    expect(parsed.minimum, 11.2);
+    expect(parsed.maximum, 12.3);
+  });
+
+  test('rejects malformed BTHome MET history counts', () {
+    expect(
+      () => BTHomeMetHistoryParser.parse('2,0,3,41,42'),
+      throwsA(isA<BTHomeMetHistoryFormatException>()),
+    );
+  });
+
+  test('detects available BTHome MET measurements from telemetry', () {
+    final contact = Contact(
+      publicKey: Uint8List(32),
+      type: ContactType.sensor,
+      flags: 0,
+      outPathLen: 0,
+      outPath: Uint8List(64),
+      advName: 'WX',
+      lastAdvert: 0,
+      advLat: 0,
+      advLon: 0,
+      lastMod: 0,
+      telemetry: ContactTelemetry(
+        temperature: 20.1,
+        humidity: 52,
+        extraSensorData: const {'speed_2': 3.1, 'gust_2': 4.8, 'rain_2': 12.3},
+        timestamp: DateTime(2026, 3, 21, 12),
+      ),
+    );
+
+    expect(bTHomeMetMeasurementsForContact(contact), <BTHomeMetMeasurement>[
+      BTHomeMetMeasurement.temperature,
+      BTHomeMetMeasurement.humidity,
+      BTHomeMetMeasurement.windSpeed,
+      BTHomeMetMeasurement.gust,
+      BTHomeMetMeasurement.rain,
+    ]);
+    expect(supportsBTHomeMetHistory(contact), isTrue);
+  });
+}