feat: Complete Phase 1 - Full Flutter app implementation with comprehensive features

Version: 1.1.0

Major changes:
- Implemented complete Flutter app structure with all core features
- Added comprehensive UI screens for auth, countdown, goals, profile, settings, and social features
- Integrated Supabase backend with authentication and data repositories
- Added offline support with Hive caching and local storage
- Implemented comprehensive routing with go_router
- Added location services with Google Maps integration
- Implemented notifications and home widget support
- Added voice recording capabilities and AI chat features
- Created comprehensive test suite and documentation
- Added Android and iOS platform configurations
- Implemented achievements system and social features
- Added calendar integration and bucket list functionality

This represents a complete Phase 1 milestone with 3,775 additions across 31 files.

lifetimer/test/helpers/test_helpers.dart

@@ -0,0 +1,89 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+/// Helper to create a ProviderScope with mocked providers for testing
+ProviderScope createTestProviderScope({
+  required Widget child,
+  List<Override> overrides = const [],
+}) {
+  return ProviderScope(
+    overrides: overrides,
+    child: MaterialApp(
+      home: child,
+    ),
+  );
+}
+
+/// Helper to pump and settle a widget with ProviderScope
+Future<void> pumpTestWidget(
+  WidgetTester tester,
+  Widget child, {
+  List<Override> overrides = const [],
+}) async {
+  await tester.pumpWidget(
+    createTestProviderScope(
+      child: child,
+      overrides: overrides,
+    ),
+  );
+  await tester.pumpAndSettle();
+}
+
+/// Helper to find a widget by type and key
+Finder findWidgetByKey<T extends Widget>(Key key) {
+  return find.byWidgetPredicate((widget) =>
+      widget is T && widget.key == key);
+}
+
+/// Helper to verify a widget exists and has specific text
+void expectWidgetWithText<T extends Widget>(String text) {
+  expect(find.text(text), findsOneWidget);
+}
+
+/// Helper to verify a widget doesn't exist
+void expectNoWidgetWithText<T extends Widget>(String text) {
+  expect(find.text(text), findsNothing);
+}
+
+/// Helper to tap a widget with specific text
+Future<void> tapWidgetWithText(WidgetTester tester, String text) async {
+  await tester.tap(find.text(text));
+  await tester.pumpAndSettle();
+}
+
+/// Helper to tap a widget by type
+Future<void> tapWidgetByType<T extends Widget>(WidgetTester tester) async {
+  await tester.tap(find.byType(T));
+  await tester.pumpAndSettle();
+}
+
+/// Helper to enter text in a text field
+Future<void> enterTextInField(
+  WidgetTester tester,
+  Finder finder,
+  String text,
+) async {
+  await tester.enterText(finder, text);
+  await tester.pumpAndSettle();
+}
+
+/// Helper to scroll until a widget is found
+Future<void> scrollUntilVisible(
+  WidgetTester tester,
+  Finder finder, {
+  Finder? scrollable,
+}) async {
+  final scrollableFinder = scrollable ?? find.byType(Scrollable);
+  await tester.scrollUntilVisible(
+    finder,
+    500.0,
+    scrollable: scrollableFinder,
+  );
+  await tester.pumpAndSettle();
+}
+
+/// Helper to wait for a specific duration
+Future<void> waitFor(Duration duration) async {
+  await Future.delayed(duration);
+}