Add persisted local state and baseline CRUD flows

test/features/local/local_repository_test.dart

@@ -0,0 +1,73 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:relationship_saver/features/local/local_repository.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+void main() {
+  setUp(() {
+    SharedPreferences.setMockInitialValues(<String, Object>{});
+  });
+
+  test('seeds local data on first load', () async {
+    final ProviderContainer container = ProviderContainer();
+    addTearDown(container.dispose);
+
+    final state = await container.read(localRepositoryProvider.future);
+
+    expect(state.people, isNotEmpty);
+    expect(state.moments, isNotEmpty);
+    expect(state.tasks, isNotEmpty);
+  });
+
+  test('adds and removes person with persistence state update', () async {
+    final ProviderContainer container = ProviderContainer();
+    addTearDown(container.dispose);
+
+    final initial = await container.read(localRepositoryProvider.future);
+    final int initialCount = initial.people.length;
+
+    await container
+        .read(localRepositoryProvider.notifier)
+        .addPerson(
+          name: 'Test Person',
+          relationship: 'Friend',
+          notes: 'test',
+          tags: <String>['alpha'],
+        );
+
+    final afterAdd = await container.read(localRepositoryProvider.future);
+    expect(afterAdd.people.length, initialCount + 1);
+
+    final String insertedId = afterAdd.people.first.id;
+    await container
+        .read(localRepositoryProvider.notifier)
+        .deletePerson(insertedId);
+
+    final afterDelete = await container.read(localRepositoryProvider.future);
+    expect(afterDelete.people.length, initialCount);
+  });
+
+  test('adds and removes capture moments', () async {
+    final ProviderContainer container = ProviderContainer();
+    addTearDown(container.dispose);
+
+    final state = await container.read(localRepositoryProvider.future);
+    final String personId = state.people.first.id;
+    final int beforeCount = state.moments.length;
+
+    await container
+        .read(localRepositoryProvider.notifier)
+        .addMoment(personId: personId, summary: 'This is a new capture moment');
+
+    final withMoment = await container.read(localRepositoryProvider.future);
+    expect(withMoment.moments.length, beforeCount + 1);
+
+    final String momentId = withMoment.moments.first.id;
+    await container
+        .read(localRepositoryProvider.notifier)
+        .deleteMoment(momentId);
+
+    final afterDelete = await container.read(localRepositoryProvider.future);
+    expect(afterDelete.moments.length, beforeCount);
+  });
+}

test/widget_test.dart

@@ -1,8 +1,13 @@
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:relationship_saver/main.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 void main() {
+  setUpAll(() async {
+    SharedPreferences.setMockInitialValues(<String, Object>{});
+  });
+
   testWidgets('renders dashboard flow', (WidgetTester tester) async {
     await tester.pumpWidget(const ProviderScope(child: RelationshipSaverApp()));
     await tester.pumpAndSettle();