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/lib/data/providers/image_cache_provider.dart

@@ -0,0 +1,8 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../services/image_cache_service.dart';
+
+final imageCacheServiceProvider = Provider<ImageCacheService>((ref) {
+  final service = ImageCacheService();
+  ref.onDispose(() => service.dispose());
+  return service;
+});

lifetimer/lib/data/providers/image_search_provider.dart

@@ -0,0 +1,11 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:http/http.dart' as http;
+import '../../../bootstrap/env.dart';
+import '../services/image_search_service.dart';
+
+final imageSearchServiceProvider = Provider<ImageSearchService>((ref) {
+  return ImageSearchService(
+    accessKey: Env.unsplashAccessKey,
+    client: http.Client(),
+  );
+});

lifetimer/lib/data/providers/pexels_image_search_provider.dart

@@ -0,0 +1,11 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:http/http.dart' as http;
+import '../../../bootstrap/env.dart';
+import '../services/pexels_image_search_service.dart';
+
+final pexelsImageSearchServiceProvider = Provider<PexelsImageSearchService>((ref) {
+  return PexelsImageSearchService(
+    apiKey: Env.pexelsApiKey,
+    client: http.Client(),
+  );
+});