feat: release v2.0.5 with 10 QoL features (AMOLED, Dynamic Color, Grid switch, Share, Presets, Cache Manager, Backup & Gestures)

README.md

@@ -10,7 +10,7 @@
 </p>
 
 <p align="center">
-  <img src="https://img.shields.io/badge/Version-2.0.4-blueviolet?style=for-the-badge" alt="Version 2.0.4" />
+  <img src="https://img.shields.io/badge/Version-2.0.5-blueviolet?style=for-the-badge" alt="Version 2.0.5" />
   <img src="https://img.shields.io/badge/Flutter-3.47+-02569B?style=for-the-badge&logo=flutter&logoColor=white" alt="Flutter" />
   <img src="https://img.shields.io/badge/Platform-Android%20%7C%20Linux%20%7C%20Windows-brightgreen?style=for-the-badge" alt="Platforms" />
   <img src="https://img.shields.io/badge/Gitea-RarDog%2FLunaris-orange?style=for-the-badge&logo=gitea&logoColor=white" alt="Gitea" />
@@ -20,10 +20,17 @@
 
 ## ✨ Основные возможности
 
-- **📱 Плавная лента в стиле Pinterest**: Masonry-сетка с адаптивным количеством колонок для мобильных и ПК.
+- **📱 Плавная лента в стиле Pinterest**: Masonry-сетка с переключением режима (Masonry, 1:1 Сетка, Список) в шапке ленты.
 - **⚡ Сверхбыстрые видео-превью**: Мгновенная загрузка превью без фризов и лишней нагрузки на процессор и память смартфона.
 - **↔️ Листание постов влево и вправо**: Полноэкранный пейджер с плавными свайпами между фото и видео во всех разделах (Лента, Авторы, Избранное, Коллекции, История просмотров).
-- **🖼️ Мульти-медиа в одном посте**: Удобная карусель с индикатором `1 / 4` для постов с несколькими файлами.
+- **❤️ Двойной тап для лайка и свайп вниз для закрытия**: Анимированное сердечко по двойному тапу и закрытие экрана просмотра свайпом вниз.
+- **📤 Прямая отправка файла (Share)**: Мгновенный экспорт оригинальных медиафайлов через системное меню «Поделиться».
+- **🔖 Сохраненные поисковые пресеты**: Быстрое сохранение комбинаций тегов и фильтров в закладки с мгновенным переключением в один клик.
+- **📁 Умная структура папок скачивания**: Настраиваемые шаблоны поддиректорий (`{Artist}`, `{Provider}`, `{Service}`, `{ID}`, `{Date}`).
+- **🗑️ Менеджер кэша**: Детальная визуализация занятой памяти (база данных, ОЗУ, временные файлы) и выборочная очистка.
+- **📦 Бэкап и синхронизация**: Экспорт и импорт полной конфигурации в JSON-файл для переноса на другие устройства.
+- **🌑 AMOLED Pure Black тема**: Истинно черный фон (`#000000`) для экономии батареи на OLED дисплеях.
+- **🎨 Динамические цвета Material You**: Поддержка системной палитры Android из обоев устройства.
 - **⭐ Любимые авторы**: Компактная кнопка-звёздочка сверху справа для быстрого доступа ко всем любимым авторам и их свежему медиапотоку.
 - **🏷️ Мультивыбор платформ**: Быстрый выбор одной или нескольких платформ авторов (Patreon, Fanbox, Fantia, Boosty, Discord).
 - **🎬 Фильтр фото, видео и GIF у автора**: Удобные чипсы с мультивыбором типа контента и количеством найденных медиа.
@@ -55,9 +62,9 @@
 
 🔗 **[Gitea Releases (RarDog/Lunaris)](https://gitea.rardogsynapse.online/RarDog/Lunaris/releases)**
 
-- **Android**: `Lunaris-v2.0.4.apk`
+- **Android**: `Lunaris-v2.0.5.apk`
-- **Linux (x64)**: `Lunaris-v2.0.4-linux-x64.tar.gz`
+- **Linux (x64)**: `Lunaris-v2.0.5-linux-x64.tar.gz`
-- **Windows**: `LunarisSetup-v2.0.4.exe` / `LunarisPortable-v2.0.4.zip`
+- **Windows**: `LunarisSetup-v2.0.5.exe` / `LunarisPortable-v2.0.5.zip`
 
 ---
 

android/app/src/main/kotlin/com/example/gel_rule_app/MainActivity.kt

@@ -26,7 +26,8 @@ class MainActivity : FlutterActivity() {
                             val path = call.argument<String>("path") ?: error("Missing path")
                             val fileName = call.argument<String>("fileName") ?: File(path).name
                             val mimeType = call.argument<String>("mimeType") ?: "application/octet-stream"
-                            result.success(saveToDownloads(path, fileName, mimeType))
+                            val subDir = call.argument<String>("subDir")
+                            result.success(saveToDownloads(path, fileName, mimeType, subDir))
                         }
                         "openFile" -> {
                             val path = call.argument<String>("path") ?: error("Missing path")
@@ -61,13 +62,19 @@ class MainActivity : FlutterActivity() {
             }
     }
 
-    private fun saveToDownloads(path: String, fileName: String, mimeType: String): String {
+    private fun saveToDownloads(path: String, fileName: String, mimeType: String, subDir: String? = null): String {
         val source = File(path)
+        val relPath = if (!subDir.isNullOrBlank()) {
+            val clean = subDir.trim().removePrefix("/").removeSuffix("/")
+            "${Environment.DIRECTORY_DOWNLOADS}/$clean"
+        } else {
+            Environment.DIRECTORY_DOWNLOADS
+        }
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
             val values = ContentValues().apply {
                 put(MediaStore.Downloads.DISPLAY_NAME, fileName)
                 put(MediaStore.Downloads.MIME_TYPE, mimeType)
-                put(MediaStore.Downloads.RELATIVE_PATH, Environment.DIRECTORY_DOWNLOADS)
+                put(MediaStore.Downloads.RELATIVE_PATH, relPath)
                 put(MediaStore.Downloads.IS_PENDING, 1)
             }
             val resolver = applicationContext.contentResolver
@@ -83,9 +90,10 @@ class MainActivity : FlutterActivity() {
         }
 
         @Suppress("DEPRECATION")
-        val downloads = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
+        val baseDownloads = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
-        downloads.mkdirs()
+        val targetDir = if (!subDir.isNullOrBlank()) File(baseDownloads, subDir.trim()) else baseDownloads
-        val destination = File(downloads, fileName)
+        targetDir.mkdirs()
+        val destination = File(targetDir, fileName)
         FileInputStream(source).use { input ->
             FileOutputStream(destination).use { output -> input.copyTo(output) }
         }

lib/app/app.dart

@@ -1,5 +1,6 @@
 import 'dart:io';
 
+import 'package:dynamic_color/dynamic_color.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:url_launcher/url_launcher.dart';
@@ -34,16 +35,23 @@ class GelRuleApp extends ConsumerWidget {
       ),
       data: (_) {
         final appSettings = settings.value ?? AppSettings.defaults;
+        final amoled = appSettings.amoledMode;
+        final useDynamic = appSettings.useDynamicColor;
+        return DynamicColorBuilder(
+          builder: (lightDynamic, darkDynamic) {
             return MaterialApp.router(
               title: 'Lunaris',
               debugShowCheckedModeBanner: false,
               theme: buildTheme(
                 Brightness.light,
                 seedColor: appSettings.appSeedColor,
+                dynamicColorScheme: useDynamic ? lightDynamic : null,
               ),
               darkTheme: buildTheme(
                 Brightness.dark,
                 seedColor: appSettings.appSeedColor,
+                amoled: amoled,
+                dynamicColorScheme: useDynamic ? darkDynamic : null,
               ),
               themeMode: parseThemeMode(appSettings.themeMode),
               routerConfig: router,
@@ -51,6 +59,8 @@ class GelRuleApp extends ConsumerWidget {
             );
           },
         );
+      },
+    );
   }
 }
 

lib/app/app_version.dart

@@ -1,3 +1,3 @@
-const appDisplayVersion = '2.0.4';
+const appDisplayVersion = '2.0.5';
-const appBuildNumber = 26;
+const appBuildNumber = 27;
 const appReleaseChannel = 'Stable';

lib/app/changelog.dart

@@ -1,4 +1,19 @@
 const lunarisChangelog = [
+  LunarisChange(
+    version: '2.0.5',
+    title: '10 QoL Super-Update: AMOLED, Dynamic Colors, Grid switch, Share, Presets, Cache & Backup',
+    bullets: [
+      'AMOLED Pure Black theme (#000000) for OLED battery saving.',
+      'Material You dynamic color support on Android matching system wallpaper.',
+      'Grid layout mode switcher in the feed toolbar: Masonry, 1:1 Square Grid, and List.',
+      'Swipe down to dismiss and double-tap with animated heart overlay to favorite.',
+      'Direct file sharing (Share sheet) from post details.',
+      'Saved search presets with instant filtering and bookmark creation.',
+      'Smart download folder template support ({Artist}, {Provider}, {Service}, {ID}, {Date}).',
+      'Interactive Cache Manager screen with detailed storage breakdown and selective cleanup.',
+      'Full JSON backup export and import for seamless configuration sync.',
+    ],
+  ),
   LunarisChange(
     version: '2.0.4',
     title: 'Platform service selection & media type filtering in artist posts',

lib/app/router.dart

@@ -15,6 +15,7 @@ import '../features/providers/presentation/provider_check_screen.dart';
 import '../features/providers/presentation/provider_form_screen.dart';
 import '../features/providers/presentation/providers_screen.dart';
 import '../features/search/presentation/search_screen.dart';
+import '../features/settings/presentation/cache_manager_screen.dart';
 import '../features/settings/presentation/hidden_posts_screen.dart';
 import '../features/settings/presentation/settings_screen.dart';
 import '../features/viewed/presentation/viewed_screen.dart';
@@ -126,6 +127,10 @@ final appRouterProvider = Provider<GoRouter>((ref) {
             path: '/settings/hidden',
             builder: (context, state) => const HiddenPostsScreen(),
           ),
+          GoRoute(
+            path: '/settings/cache',
+            builder: (context, state) => const CacheManagerScreen(),
+          ),
         ],
       ),
     ],

lib/app/theme.dart

@@ -1,26 +1,53 @@
 import 'package:flutter/material.dart';
 
-ThemeData buildTheme(Brightness brightness, {int seedColor = 0xFFE84D8A}) {
+ThemeData buildTheme(
+  Brightness brightness, {
+  int seedColor = 0xFFE84D8A,
+  bool amoled = false,
+  ColorScheme? dynamicColorScheme,
+}) {
   final dark = brightness == Brightness.dark;
-  final scheme = ColorScheme.fromSeed(
+  final scheme = dynamicColorScheme ??
+      ColorScheme.fromSeed(
         seedColor: Color(seedColor),
         brightness: brightness,
       );
+
+  final scaffoldBg = amoled && dark
+      ? const Color(0xFF000000)
+      : dark
+          ? const Color(0xFF101114)
+          : const Color(0xFFF8F8FA);
+  final cardBg = amoled && dark
+      ? const Color(0xFF0A0A0A)
+      : dark
+          ? const Color(0xFF191B20)
+          : Colors.white;
+  final navBg = amoled && dark
+      ? const Color(0xFF000000)
+      : dark
+          ? const Color(0xFF15161A)
+          : Colors.white;
+  final appBarBg = amoled && dark
+      ? const Color(0xFF000000)
+      : dark
+          ? const Color(0xFF101114)
+          : const Color(0xFFF8F8FA);
+
   return ThemeData(
     useMaterial3: true,
     brightness: brightness,
     colorScheme: scheme,
-    scaffoldBackgroundColor:
+    scaffoldBackgroundColor: scaffoldBg,
-        dark ? const Color(0xFF101114) : const Color(0xFFF8F8FA),
+    cardColor: cardBg,
-    cardColor: dark ? const Color(0xFF191B20) : Colors.white,
     navigationRailTheme: NavigationRailThemeData(
-      backgroundColor: dark ? const Color(0xFF15161A) : Colors.white,
+      backgroundColor: navBg,
       selectedIconTheme: IconThemeData(color: scheme.primary),
     ),
     appBarTheme: AppBarTheme(
       centerTitle: false,
       elevation: 0,
-      backgroundColor: dark ? const Color(0xFF101114) : const Color(0xFFF8F8FA),
+      backgroundColor: appBarBg,
       foregroundColor: scheme.onSurface,
     ),
     cardTheme: CardThemeData(

lib/backend/backend.dart

@@ -28,5 +28,6 @@ export 'services/search_service.dart';
 export 'services/settings_service.dart';
 export 'services/update_service.dart';
 export 'services/viewed_history_service.dart';
+export 'services/backup_service.dart';
 export 'utils/smart_blacklist.dart';
 export 'utils/media_quality.dart';

lib/backend/di/backend_providers.dart

@@ -31,6 +31,7 @@ import '../services/search_service.dart';
 import '../services/settings_service.dart';
 import '../services/update_service.dart';
 import '../services/viewed_history_service.dart';
+import '../services/backup_service.dart';
 
 final appDatabaseProvider = FutureProvider<AppDatabase>((ref) async {
   final database = await AppDatabase.open();
@@ -169,6 +170,7 @@ final downloadManagerServiceProvider = Provider<DownloadManagerService>((ref) {
   return DownloadManagerService(
     ref.watch(downloadServiceProvider),
     downloadedMediaService: ref.watch(downloadedMediaServiceProvider),
+    settingsService: ref.watch(settingsServiceProvider),
   );
 });
 
@@ -215,3 +217,7 @@ final updateServiceProvider = Provider<UpdateService>((ref) {
     ref.watch(settingsServiceProvider),
   );
 });
+
+final backupServiceProvider = Provider<BackupService>((ref) {
+  return BackupService(ref.watch(settingsServiceProvider));
+});

lib/backend/repositories/downloaded_media_repository.dart

@@ -83,5 +83,11 @@ class DownloadedMediaRepository {
     });
   }
 
+  Future<Result<int>> count() {
+    return _databaseService.safeRead((isar) async {
+      return isar.downloadedMediaEntitys.count();
+    });
+  }
+
   String fileNameForPath(String path) => p.basename(path);
 }

lib/backend/services/backup_service.dart

@@ -0,0 +1,87 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:file_selector/file_selector.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:share_plus/share_plus.dart';
+
+import '../../core/errors/failure.dart';
+import '../../core/utils/result.dart';
+import 'settings_service.dart';
+
+class BackupService {
+  BackupService(this._settingsService);
+
+  final SettingsService _settingsService;
+
+  Future<String> createBackupJson() async {
+    final result = await _settingsService.getSettings();
+    final settings =
+        result is Success<AppSettings> ? result.data : AppSettings.defaults;
+    const encoder = JsonEncoder.withIndent('  ');
+    return encoder.convert({
+      'version': 1,
+      'createdAt': DateTime.now().toIso8601String(),
+      'settings': settings.toJson(),
+    });
+  }
+
+  Future<Result<AppSettings>> restoreFromJson(String jsonContent) async {
+    try {
+      final decoded = jsonDecode(jsonContent);
+      if (decoded is! Map<String, dynamic>) {
+        return const Error(Failure(
+          code: 'invalid_json',
+          message: 'Неверный формат JSON файла',
+        ));
+      }
+      final rawSettings = decoded['settings'] is Map<String, dynamic>
+          ? decoded['settings'] as Map<String, dynamic>
+          : decoded;
+      final settings = AppSettings.fromJson(rawSettings);
+      await _settingsService.updateSettings(settings);
+      return Success(settings);
+    } catch (e) {
+      return Error(Failure(
+        code: 'import_error',
+        message: 'Ошибка импорта настроек: $e',
+      ));
+    }
+  }
+
+  Future<bool> exportBackup() async {
+    final json = await createBackupJson();
+    final fileName =
+        'lunaris_backup_${DateTime.now().millisecondsSinceEpoch}.json';
+
+    if (Platform.isAndroid) {
+      final tempDir = await getTemporaryDirectory();
+      final file = File('${tempDir.path}/$fileName');
+      await file.writeAsString(json);
+      await Share.shareXFiles([XFile(file.path)], text: 'Lunaris Backup');
+      return true;
+    }
+
+    final location = await getSaveLocation(
+      suggestedName: fileName,
+      acceptedTypeGroups: [
+        const XTypeGroup(label: 'JSON files', extensions: ['json']),
+      ],
+    );
+    if (location == null) return false;
+    final file = File(location.path);
+    await file.writeAsString(json);
+    return true;
+  }
+
+  Future<Result<AppSettings>?> importBackup() async {
+    const typeGroup = XTypeGroup(
+      label: 'JSON files',
+      extensions: ['json'],
+    );
+    final file = await openFile(acceptedTypeGroups: [typeGroup]);
+    if (file == null) return null;
+    final content = await file.readAsString();
+    return restoreFromJson(content);
+  }
+}

lib/backend/services/download_manager_service.dart

@@ -1,19 +1,24 @@
 import 'dart:async';
 
+import '../../core/utils/result.dart';
 import '../models/download_task.dart';
 import '../models/post.dart';
 import '../utils/media_quality.dart';
 import 'download_service.dart';
 import 'downloaded_media_service.dart';
+import 'settings_service.dart';
 
 class DownloadManagerService {
   DownloadManagerService(
     this._downloadService, {
     DownloadedMediaService? downloadedMediaService,
-  }) : _downloadedMediaService = downloadedMediaService;
+    SettingsService? settingsService,
+  })  : _downloadedMediaService = downloadedMediaService,
+        _settingsService = settingsService;
 
   final DownloadService _downloadService;
   final DownloadedMediaService? _downloadedMediaService;
+  final SettingsService? _settingsService;
   final _controller = StreamController<List<DownloadTask>>.broadcast();
   final Map<String, DownloadTask> _tasks = {};
   final Set<String> _runningTaskIds = {};
@@ -100,9 +105,17 @@ class DownloadManagerService {
     if (!_runningTaskIds.add(task.id)) return;
     _set(task.copyWith(status: DownloadTaskStatus.running));
     try {
+      String? folderTemplate;
+      if (_settingsService != null) {
+        final settingsRes = await _settingsService.getSettings();
+        if (settingsRes is Success<AppSettings>) {
+          folderTemplate = settingsRes.data.downloadPathTemplate;
+        }
+      }
       final saved = task.sourceUrl == null
           ? await _downloadService.downloadPost(
               task.post!,
+              folderTemplate: folderTemplate,
               onProgress: (received, total) {
                 _updateProgress(task.id, received, total);
               },

lib/backend/services/download_service.dart

@@ -1,7 +1,6 @@
 import 'dart:io';
 
 import 'package:dio/dio.dart';
-import 'package:file_selector/file_selector.dart';
 import 'package:flutter/services.dart';
 import 'package:path/path.dart' as p;
 import 'package:path_provider/path_provider.dart';
@@ -16,7 +15,54 @@ class DownloadService {
 
   final Dio _dio;
 
-  Future<String?> downloadPost(
+  String resolveSubDir(Post post, String template) {
+    if (template.isEmpty) return '';
+    String artist = 'Unknown';
+    final artistGroup =
+        post.tagGroups['artist'] ?? post.tagGroups['creator'];
+    if (artistGroup != null && artistGroup.isNotEmpty) {
+      artist = artistGroup.first;
+    } else {
+      for (final tag in post.tags) {
+        final lower = tag.toLowerCase();
+        if (lower.startsWith('artist:') || lower.startsWith('creator:')) {
+          final parts = tag.split(':');
+          if (parts.length > 1 && parts[1].isNotEmpty) {
+            artist = parts.sublist(1).join(':');
+            break;
+          }
+        }
+      }
+    }
+    artist = artist.replaceAll(RegExp(r'[\\/:*?"<>|]'), '_');
+
+    final now = DateTime.now();
+    final dateStr =
+        '${now.year}-${now.month.toString().padLeft(2, '0')}-${now.day.toString().padLeft(2, '0')}';
+
+    var cleanTemplate = template.trim();
+    if (cleanTemplate.toLowerCase().endsWith('/{id}')) {
+      cleanTemplate =
+          cleanTemplate.substring(0, cleanTemplate.length - 5).trim();
+    }
+
+    final resolved = cleanTemplate
+        .replaceAll(
+            '{Artist}', artist)
+        .replaceAll(
+            '{Provider}', post.providerName.replaceAll(RegExp(r'[\\/:*?"<>|]'), '_'))
+        .replaceAll(
+            '{Service}', post.providerId.replaceAll(RegExp(r'[\\/:*?"<>|]'), '_'))
+        .replaceAll(
+            '{Rating}', post.rating.replaceAll(RegExp(r'[\\/:*?"<>|]'), '_'))
+        .replaceAll(
+            '{ID}', post.id.replaceAll(RegExp(r'[\\/:*?"<>|]'), '_'))
+        .replaceAll('{Date}', dateStr);
+
+    return resolved;
+  }
+
+  Future<String> prepareFileForShare(
     Post post, {
     void Function(int received, int total)? onProgress,
   }) async {
@@ -25,6 +71,38 @@ class DownloadService {
       throw StateError('No downloadable URL for this post.');
     }
     final fileName = _fileName(post, url);
+    final tempDir = await getTemporaryDirectory();
+    final shareDir = Directory(p.join(tempDir.path, 'shares'));
+    if (!shareDir.existsSync()) {
+      shareDir.createSync(recursive: true);
+    }
+    final filePath = p.join(shareDir.path, fileName);
+    if (File(filePath).existsSync() && File(filePath).lengthSync() > 0) {
+      return filePath;
+    }
+    await _dio.download(
+      url,
+      filePath,
+      onReceiveProgress: onProgress,
+      options: Options(headers: _headersFor(post)),
+    );
+    return filePath;
+  }
+
+  Future<String?> downloadPost(
+    Post post, {
+    String? folderTemplate,
+    void Function(int received, int total)? onProgress,
+  }) async {
+    final url = _downloadUrl(post);
+    if (url == null) {
+      throw StateError('No downloadable URL for this post.');
+    }
+    final fileName = _fileName(post, url);
+    final subDir = folderTemplate != null && folderTemplate.isNotEmpty
+        ? resolveSubDir(post, folderTemplate)
+        : null;
+
     if (Platform.isAndroid) {
       final tempDir = await getTemporaryDirectory();
       final tempPath = p.join(tempDir.path, fileName);
@@ -38,19 +116,27 @@ class DownloadService {
         'path': tempPath,
         'fileName': fileName,
         'mimeType': _mimeType(fileName, post.fileType),
+        if (subDir != null && subDir.isNotEmpty) 'subDir': subDir,
       });
       return saved ?? fileName;
     }
 
-    final location = await getSaveLocation(suggestedName: fileName);
+    final downloads =
-    if (location == null) return null;
+        await getDownloadsDirectory() ?? await getTemporaryDirectory();
+    final targetDir = subDir != null && subDir.isNotEmpty
+        ? Directory(p.join(downloads.path, subDir))
+        : downloads;
+    if (!targetDir.existsSync()) {
+      targetDir.createSync(recursive: true);
+    }
+    final savePath = p.join(targetDir.path, fileName);
     await _dio.download(
       url,
-      location.path,
+      savePath,
       onReceiveProgress: onProgress,
       options: Options(headers: _headersFor(post)),
     );
-    return location.path;
+    return savePath;
   }
 
   Future<String?> downloadUrl(

lib/backend/services/downloaded_media_service.dart

@@ -46,4 +46,6 @@ class DownloadedMediaService {
   }
 
   Future<Result<void>> clearMissingFiles() => _repository.clearMissingFiles();
+
+  Future<Result<int>> count() => _repository.count();
 }

lib/backend/services/settings_service.dart

@@ -53,6 +53,11 @@ class AppSettings {
     this.lastUpdateCheckAt,
     this.defaultRatingFilter,
     this.lastFeedRating,
+    this.amoledMode = false,
+    this.useDynamicColor = false,
+    this.gridMode = 'masonry',
+    this.searchPresets = const [],
+    this.downloadPathTemplate = '{Artist}/{ID}',
   });
 
   final List<String> favoriteArtists;
@@ -96,6 +101,11 @@ class AppSettings {
   final String? lastUpdateCheckAt;
   final String? defaultRatingFilter;
   final String? lastFeedRating;
+  final bool amoledMode;
+  final bool useDynamicColor;
+  final String gridMode;
+  final List<String> searchPresets;
+  final String downloadPathTemplate;
 
   static const defaults = AppSettings(
     enabledProviderIds: ['gelbooru', 'rule34', 'realbooru'],
@@ -184,6 +194,11 @@ class AppSettings {
     String? lastFeedRating,
     bool clearLastFeedRating = false,
     List<String>? favoriteArtists,
+    bool? amoledMode,
+    bool? useDynamicColor,
+    String? gridMode,
+    List<String>? searchPresets,
+    String? downloadPathTemplate,
   }) {
     return AppSettings(
       favoriteArtists: favoriteArtists ?? this.favoriteArtists,
@@ -234,6 +249,11 @@ class AppSettings {
       defaultRatingFilter: defaultRatingFilter ?? this.defaultRatingFilter,
       lastFeedRating:
           clearLastFeedRating ? null : lastFeedRating ?? this.lastFeedRating,
+      amoledMode: amoledMode ?? this.amoledMode,
+      useDynamicColor: useDynamicColor ?? this.useDynamicColor,
+      gridMode: gridMode ?? this.gridMode,
+      searchPresets: searchPresets ?? this.searchPresets,
+      downloadPathTemplate: downloadPathTemplate ?? this.downloadPathTemplate,
     );
   }
 
@@ -279,6 +299,11 @@ class AppSettings {
         'lastUpdateCheckAt': lastUpdateCheckAt,
         'defaultRatingFilter': defaultRatingFilter,
         'lastFeedRating': lastFeedRating,
+        'amoledMode': amoledMode,
+        'useDynamicColor': useDynamicColor,
+        'gridMode': gridMode,
+        'searchPresets': searchPresets,
+        'downloadPathTemplate': downloadPathTemplate,
       };
 
   factory AppSettings.fromJson(Map<String, dynamic> json) => AppSettings(
@@ -378,6 +403,14 @@ class AppSettings {
         lastUpdateCheckAt: json['lastUpdateCheckAt'] as String?,
         defaultRatingFilter: json['defaultRatingFilter'] as String?,
         lastFeedRating: json['lastFeedRating'] as String?,
+        amoledMode: (json['amoledMode'] as bool?) ?? false,
+        useDynamicColor: (json['useDynamicColor'] as bool?) ?? false,
+        gridMode: (json['gridMode'] as String?) ?? 'masonry',
+        searchPresets: List<String>.from(
+          (json['searchPresets'] as List?) ?? const [],
+        ),
+        downloadPathTemplate:
+            (json['downloadPathTemplate'] as String?) ?? '{Artist}/{ID}',
       );
 }
 

lib/core/cache/cache_service.dart

@@ -62,6 +62,12 @@ class CacheService {
     });
   }
 
+  Future<Result<int>> getCachedPostsCount() {
+    return _databaseService.safeRead((isar) async {
+      return isar.cachedPostEntitys.count();
+    });
+  }
+
   Future<void> _evictOverflow(Isar isar, int maxItems) async {
     final entities = await isar.cachedPostEntitys.where().findAll();
     if (entities.length <= maxItems) return;

lib/features/feed/presentation/feed_screen.dart

@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -17,6 +18,7 @@ import '../../../shared/widgets/post_card.dart';
 import '../../../shared/widgets/post_masonry_grid.dart';
 import '../../collections/presentation/collection_form_dialog.dart';
 import '../../favorites/presentation/favorites_controller.dart';
+import '../../settings/presentation/settings_controller.dart';
 import 'feed_controller.dart';
 import 'widgets/feed_toolbar.dart';
 
@@ -179,6 +181,20 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
         child: AdaptiveScaffold(
           title: 'Feed',
           titleWidget: const _FeedTitle(),
+          actions: [
+            if (feed.value != null && feed.value!.selectedTags.isNotEmpty)
+              IconButton(
+                icon: const Icon(Icons.bookmark_add_rounded),
+                tooltip: 'Сохранить пресет',
+                onPressed: () => _saveCurrentPreset(
+                    context, feed.value!.selectedTags, settings),
+              ),
+            IconButton(
+              icon: Icon(_gridModeIcon(settings.gridMode)),
+              tooltip: 'Вид сетки',
+              onPressed: () => _cycleGridMode(settings),
+            ),
+          ],
           floatingActionButton: _showScrollToTop
               ? FloatingActionButton.small(
                   tooltip: 'Наверх',
@@ -201,6 +217,26 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
             ),
             data: (state) => Column(
               children: [
+                // --- Search Presets Bar ---
+                if (settings.searchPresets.isNotEmpty)
+                  _SearchPresetsBar(
+                    presets: settings.searchPresets,
+                    currentTags: state.selectedTags,
+                    onApply: (preset) {
+                      final decoded =
+                          _decodePreset(preset);
+                      _submitSearch(decoded['tags'] ?? '');
+                    },
+                    onDelete: (preset) async {
+                      final updated = settings.searchPresets
+                          .where((p) => p != preset)
+                          .toList();
+                      await ref
+                          .read(settingsControllerProvider.notifier)
+                          .saveSettings(
+                              settings.copyWith(searchPresets: updated));
+                    },
+                  ),
                 FeedToolbar(
                   selectedTags: state.selectedTags,
                   selectedProviderIds: state.selectedProviderIds,
@@ -294,6 +330,7 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
                             viewedKeys: viewedKeys,
                             selectionMode: _selectionMode,
                             selectedKeys: _selectedKeys,
+                            gridMode: settings.gridMode,
                             onOpen: (post) => context.push(
                               '/post/${post.providerId}/${post.id}',
                               extra: PostNavigationContext(
@@ -527,6 +564,75 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
     if (!settings.autoDownloadFavorites || !settings.allowDownloads) return;
     await ref.read(downloadManagerServiceProvider).start(post);
   }
+
+  // ── Grid mode helpers ────────────────────────────────────────────
+  IconData _gridModeIcon(String mode) {
+    return switch (mode) {
+      'grid' => Icons.grid_4x4_rounded,
+      'list' => Icons.view_list_rounded,
+      _ => Icons.dashboard_rounded,
+    };
+  }
+
+  Future<void> _cycleGridMode(AppSettings settings) async {
+    const modes = ['masonry', 'grid', 'list'];
+    final idx = modes.indexOf(settings.gridMode);
+    final next = modes[(idx + 1) % modes.length];
+    await ref
+        .read(settingsControllerProvider.notifier)
+        .saveSettings(settings.copyWith(gridMode: next));
+  }
+
+  // ── Search preset helpers ─────────────────────────────────────────
+  Map<String, String> _decodePreset(String raw) {
+    try {
+      final map = jsonDecode(raw) as Map<String, dynamic>;
+      return {'name': map['name'] as String, 'tags': map['tags'] as String};
+    } catch (_) {
+      return {'name': raw, 'tags': raw};
+    }
+  }
+
+  Future<String?> _showSavePresetDialog(
+      BuildContext context, String tags) async {
+    final ctrl = TextEditingController(text: tags);
+    return showDialog<String>(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title: const Text('Сохранить пресет'),
+        content: TextField(
+          controller: ctrl,
+          decoration: const InputDecoration(
+            labelText: 'Название пресета',
+          ),
+          autofocus: true,
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(ctx),
+            child: const Text('Отмена'),
+          ),
+          FilledButton(
+            onPressed: () => Navigator.pop(ctx, ctrl.text.trim()),
+            child: const Text('Сохранить'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _saveCurrentPreset(
+      BuildContext context, List<String> tags, AppSettings settings) async {
+    if (tags.isEmpty) return;
+    final tagsStr = tags.join(' ');
+    final name = await _showSavePresetDialog(context, tagsStr);
+    if (name == null || name.isEmpty || !context.mounted) return;
+    final preset = jsonEncode({'name': name, 'tags': tagsStr});
+    final updated = [...settings.searchPresets, preset];
+    await ref
+        .read(settingsControllerProvider.notifier)
+        .saveSettings(settings.copyWith(searchPresets: updated));
+  }
 }
 
 class _RefreshIntent extends Intent {
@@ -631,3 +737,86 @@ class _BatchActionBar extends StatelessWidget {
     );
   }
 }
+
+// ── Search Presets Bar ─────────────────────────────────────────────────────
+class _SearchPresetsBar extends StatelessWidget {
+  const _SearchPresetsBar({
+    required this.presets,
+    required this.currentTags,
+    required this.onApply,
+    required this.onDelete,
+  });
+
+  final List<String> presets;
+  final List<String> currentTags;
+  final ValueChanged<String> onApply;
+  final ValueChanged<String> onDelete;
+
+  Map<String, String> _decode(String raw) {
+    try {
+      final map = jsonDecode(raw) as Map<String, dynamic>;
+      return {'name': map['name'] as String, 'tags': map['tags'] as String};
+    } catch (_) {
+      return {'name': raw, 'tags': raw};
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final scheme = Theme.of(context).colorScheme;
+    return SizedBox(
+      height: 40,
+      child: ListView.separated(
+        padding: const EdgeInsets.symmetric(horizontal: 12),
+        scrollDirection: Axis.horizontal,
+        itemCount: presets.length,
+        separatorBuilder: (_, __) => const SizedBox(width: 8),
+        itemBuilder: (context, i) {
+          final raw = presets[i];
+          final decoded = _decode(raw);
+          final name = decoded['name'] ?? raw;
+          final tags = decoded['tags'] ?? raw;
+          final active = currentTags.join(' ') == tags;
+          return GestureDetector(
+            onLongPress: () {
+              showDialog<void>(
+                context: context,
+                builder: (ctx) => AlertDialog(
+                  title: Text('«$name»'),
+                  content: Text('Теги: $tags'),
+                  actions: [
+                    TextButton(
+                      onPressed: () {
+                        Navigator.pop(ctx);
+                        onDelete(raw);
+                      },
+                      child: const Text('Удалить',
+                          style: TextStyle(color: Colors.red)),
+                    ),
+                    FilledButton(
+                      onPressed: () => Navigator.pop(ctx),
+                      child: const Text('Закрыть'),
+                    ),
+                  ],
+                ),
+              );
+            },
+            child: FilterChip(
+              label: Text(name),
+              selected: active,
+              onSelected: (_) => onApply(raw),
+              selectedColor: scheme.primaryContainer,
+              checkmarkColor: scheme.onPrimaryContainer,
+              labelStyle: TextStyle(
+                color: active ? scheme.onPrimaryContainer : scheme.onSurface,
+                fontWeight:
+                    active ? FontWeight.w600 : FontWeight.normal,
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+}
+

lib/features/post/presentation/post_details_screen.dart

@@ -4,6 +4,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:cached_network_image/cached_network_image.dart';
+import 'package:share_plus/share_plus.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 import '../../../app/app.dart';
@@ -269,6 +270,7 @@ class PostDetailsScreen extends ConsumerWidget {
                           : null,
                       onDeleteLocalFile: () =>
                           _deleteLocalFile(context, ref, post),
+                      onShare: () => _sharePost(context, ref, post),
                     ),
                     const SizedBox(height: 16),
                     Wrap(
@@ -377,6 +379,7 @@ class PostDetailsScreen extends ConsumerWidget {
                 ? () => _download(context, ref, post)
                 : null,
             onDeleteLocalFile: () => _deleteLocalFile(context, ref, post),
+            onShare: () => _sharePost(context, ref, post),
           ),
           const SizedBox(height: 12),
           Wrap(
@@ -448,6 +451,30 @@ class PostDetailsScreen extends ConsumerWidget {
     });
   }
 
+  Future<void> _sharePost(BuildContext context, WidgetRef ref, Post post) async {
+    final strings = ref.read(appStringsProvider);
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(
+          strings.ru
+              ? 'Подготовка файла к отправке...'
+              : 'Preparing file for sharing...',
+        ),
+        duration: const Duration(seconds: 1),
+      ),
+    );
+    try {
+      final path =
+          await ref.read(downloadServiceProvider).prepareFileForShare(post);
+      await Share.shareXFiles([XFile(path)], text: post.source ?? post.fileUrl);
+    } catch (e) {
+      if (!context.mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Ошибка отправки: $e')),
+      );
+    }
+  }
+
   Future<void> _showMobileQuickActions(
     BuildContext context,
     WidgetRef ref,
@@ -558,6 +585,7 @@ class PostDetailsScreen extends ConsumerWidget {
       download: strings.download,
       deleteLocalFile: strings.deleteLocalFile,
       hidePost: strings.hidePost,
+      share: strings.ru ? 'Поделиться' : 'Share',
     );
   }
 

lib/features/post/presentation/widgets/post_action_bar.dart

@@ -10,6 +10,7 @@ class PostActionBar extends StatelessWidget {
     this.onOpenSource,
     this.onDownload,
     this.onDeleteLocalFile,
+    this.onShare,
     this.downloaded = false,
     this.labels,
     this.onSimilar,
@@ -25,6 +26,7 @@ class PostActionBar extends StatelessWidget {
   final bool isFavorite;
   final VoidCallback? onDownload;
   final VoidCallback? onDeleteLocalFile;
+  final VoidCallback? onShare;
   final VoidCallback? onSimilar;
   final VoidCallback? onHide;
   final bool downloaded;
@@ -91,6 +93,12 @@ class PostActionBar extends StatelessWidget {
             onPressed: onHide,
             icon: const Icon(Icons.visibility_off_rounded),
           ),
+        if (onShare != null)
+          IconButton.filledTonal(
+            tooltip: text.share,
+            onPressed: onShare,
+            icon: const Icon(Icons.share_rounded),
+          ),
       ],
     );
   }
@@ -108,6 +116,7 @@ class PostActionLabels {
     this.download = 'Download',
     this.deleteLocalFile = 'Delete local file',
     this.hidePost = 'Hide post locally',
+    this.share = 'Share',
   });
 
   final String favorite;
@@ -120,4 +129,5 @@ class PostActionLabels {
   final String download;
   final String deleteLocalFile;
   final String hidePost;
+  final String share;
 }

lib/features/settings/presentation/cache_manager_screen.dart

@@ -0,0 +1,362 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:path_provider/path_provider.dart';
+
+import '../../../app/app.dart';
+import '../../../backend/backend.dart';
+import '../../../core/utils/result.dart';
+import '../../../shared/widgets/adaptive_scaffold.dart';
+
+class CacheStats {
+  const CacheStats({
+    required this.cachedPostsCount,
+    required this.imageMemoryBytes,
+    required this.imageMemoryCount,
+    required this.tempDirectoryBytes,
+    required this.downloadedCount,
+  });
+
+  final int cachedPostsCount;
+  final int imageMemoryBytes;
+  final int imageMemoryCount;
+  final int tempDirectoryBytes;
+  final int downloadedCount;
+
+  int get totalEstimatedBytes =>
+      imageMemoryBytes + tempDirectoryBytes + (cachedPostsCount * 2048);
+
+  static const empty = CacheStats(
+    cachedPostsCount: 0,
+    imageMemoryBytes: 0,
+    imageMemoryCount: 0,
+    tempDirectoryBytes: 0,
+    downloadedCount: 0,
+  );
+}
+
+final cacheStatsProvider = FutureProvider.autoDispose<CacheStats>((ref) async {
+  final cacheService = ref.watch(cacheServiceProvider);
+  final downloadedService = ref.watch(downloadedMediaServiceProvider);
+
+  final postsRes = await cacheService.getCachedPostsCount();
+  final postsCount = postsRes is Success<int> ? postsRes.data : 0;
+
+  final downloadedRes = await downloadedService.count();
+  final downloadedCount =
+      downloadedRes is Success<int> ? downloadedRes.data : 0;
+
+  final imageCache = PaintingBinding.instance.imageCache;
+  final memBytes = imageCache.currentSizeBytes;
+  final memCount = imageCache.currentSize;
+
+  var tempBytes = 0;
+  try {
+    final tempDir = await getTemporaryDirectory();
+    if (tempDir.existsSync()) {
+      await for (final file
+          in tempDir.list(recursive: true, followLinks: false)) {
+        if (file is File) {
+          tempBytes += await file.length();
+        }
+      }
+    }
+  } catch (_) {}
+
+  return CacheStats(
+    cachedPostsCount: postsCount,
+    imageMemoryBytes: memBytes,
+    imageMemoryCount: memCount,
+    tempDirectoryBytes: tempBytes,
+    downloadedCount: downloadedCount,
+  );
+});
+
+class CacheManagerScreen extends ConsumerStatefulWidget {
+  const CacheManagerScreen({super.key});
+
+  @override
+  ConsumerState<CacheManagerScreen> createState() => _CacheManagerScreenState();
+}
+
+class _CacheManagerScreenState extends ConsumerState<CacheManagerScreen> {
+  bool _isClearing = false;
+
+  String _formatBytes(int bytes) {
+    if (bytes <= 0) return '0 B';
+    if (bytes < 1024) return '$bytes B';
+    if (bytes < 1024 * 1024) {
+      return '${(bytes / 1024).toStringAsFixed(1)} KB';
+    }
+    if (bytes < 1024 * 1024 * 1024) {
+      return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
+    }
+    return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(2)} GB';
+  }
+
+  Future<void> _clearPostsCache() async {
+    setState(() => _isClearing = true);
+    await ref.read(cacheServiceProvider).clear();
+    ref.invalidate(cacheStatsProvider);
+    if (mounted) setState(() => _isClearing = false);
+  }
+
+  Future<void> _clearImagesCache() async {
+    setState(() => _isClearing = true);
+    PaintingBinding.instance.imageCache.clear();
+    PaintingBinding.instance.imageCache.clearLiveImages();
+    ref.invalidate(cacheStatsProvider);
+    if (mounted) setState(() => _isClearing = false);
+  }
+
+  Future<void> _clearTempFiles() async {
+    setState(() => _isClearing = true);
+    try {
+      final tempDir = await getTemporaryDirectory();
+      if (tempDir.existsSync()) {
+        final entities = tempDir.listSync(recursive: false);
+        for (final entity in entities) {
+          try {
+            entity.deleteSync(recursive: true);
+          } catch (_) {}
+        }
+      }
+    } catch (_) {}
+    ref.invalidate(cacheStatsProvider);
+    if (mounted) setState(() => _isClearing = false);
+  }
+
+  Future<void> _clearAllCache() async {
+    setState(() => _isClearing = true);
+    await ref.read(cacheServiceProvider).clear();
+    PaintingBinding.instance.imageCache.clear();
+    PaintingBinding.instance.imageCache.clearLiveImages();
+    try {
+      final tempDir = await getTemporaryDirectory();
+      if (tempDir.existsSync()) {
+        final entities = tempDir.listSync(recursive: false);
+        for (final entity in entities) {
+          try {
+            entity.deleteSync(recursive: true);
+          } catch (_) {}
+        }
+      }
+    } catch (_) {}
+    ref.invalidate(cacheStatsProvider);
+    if (mounted) setState(() => _isClearing = false);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final statsAsync = ref.watch(cacheStatsProvider);
+    final theme = Theme.of(context);
+    final strings = ref.watch(appStringsProvider);
+
+    return AdaptiveScaffold(
+      title: strings.ru ? 'Менеджер кэша' : 'Cache Manager',
+      actions: [
+        IconButton(
+          tooltip: strings.ru ? 'Обновить' : 'Refresh',
+          onPressed: () => ref.invalidate(cacheStatsProvider),
+          icon: const Icon(Icons.refresh_rounded),
+        ),
+      ],
+      body: statsAsync.when(
+        loading: () => const Center(child: CircularProgressIndicator()),
+        error: (e, _) => Center(child: Text('Ошибка: $e')),
+        data: (stats) {
+          return ListView(
+            padding: const EdgeInsets.all(16),
+            children: [
+              // Summary card
+              Card(
+                color: theme.colorScheme.primaryContainer.withValues(alpha: 0.35),
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(16),
+                  side: BorderSide(
+                    color: theme.colorScheme.primary.withValues(alpha: 0.2),
+                  ),
+                ),
+                child: Padding(
+                  padding: const EdgeInsets.all(20),
+                  child: Column(
+                    children: [
+                      Icon(
+                        Icons.pie_chart_rounded,
+                        size: 48,
+                        color: theme.colorScheme.primary,
+                      ),
+                      const SizedBox(height: 12),
+                      Text(
+                        _formatBytes(stats.totalEstimatedBytes),
+                        style: theme.textTheme.headlineMedium?.copyWith(
+                          fontWeight: FontWeight.bold,
+                          color: theme.colorScheme.primary,
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      Text(
+                        strings.ru
+                            ? 'Общий предполагаемый объем кэша'
+                            : 'Total estimated cache size',
+                        style: theme.textTheme.bodyMedium?.copyWith(
+                          color: theme.colorScheme.onSurfaceVariant,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+              const SizedBox(height: 16),
+
+              // Detail cards
+              _CacheCategoryTile(
+                icon: Icons.article_rounded,
+                title: strings.ru ? 'Кэш постов (база данных)' : 'Posts cache (DB)',
+                subtitle: strings.ru
+                    ? '${stats.cachedPostsCount} сохраненных постов'
+                    : '${stats.cachedPostsCount} cached posts',
+                sizeText: _formatBytes(stats.cachedPostsCount * 2048),
+                onClear: _isClearing ? null : _clearPostsCache,
+              ),
+              const SizedBox(height: 8),
+
+              _CacheCategoryTile(
+                icon: Icons.image_rounded,
+                title: strings.ru ? 'Кэш картинок в памяти' : 'Image memory cache',
+                subtitle: strings.ru
+                    ? '${stats.imageMemoryCount} картинок в ОЗУ'
+                    : '${stats.imageMemoryCount} images in RAM',
+                sizeText: _formatBytes(stats.imageMemoryBytes),
+                onClear: _isClearing ? null : _clearImagesCache,
+              ),
+              const SizedBox(height: 8),
+
+              _CacheCategoryTile(
+                icon: Icons.folder_open_rounded,
+                title: strings.ru ? 'Временные файлы и медиа' : 'Temp files & media',
+                subtitle: strings.ru
+                    ? 'Файлы для отправки и временные буферы'
+                    : 'Share exports & temporary buffers',
+                sizeText: _formatBytes(stats.tempDirectoryBytes),
+                onClear: _isClearing ? null : _clearTempFiles,
+              ),
+              const SizedBox(height: 8),
+
+              _CacheCategoryTile(
+                icon: Icons.download_done_rounded,
+                title: strings.ru ? 'Скачанные медиа' : 'Downloaded media',
+                subtitle: strings.ru
+                    ? '${stats.downloadedCount} файлов в истории скачиваний'
+                    : '${stats.downloadedCount} files in download history',
+                sizeText: '',
+                showClear: false,
+              ),
+              const SizedBox(height: 24),
+
+              // Global action button
+              FilledButton.tonalIcon(
+                style: FilledButton.styleFrom(
+                  padding: const EdgeInsets.symmetric(vertical: 14),
+                  shape: RoundedRectangleBorder(
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                ),
+                onPressed: _isClearing ? null : _clearAllCache,
+                icon: _isClearing
+                    ? const SizedBox(
+                        width: 20,
+                        height: 20,
+                        child: CircularProgressIndicator(strokeWidth: 2),
+                      )
+                    : const Icon(Icons.delete_sweep_rounded),
+                label: Text(
+                  strings.ru ? 'Очистить весь кэш' : 'Clear all cache',
+                  style: const TextStyle(fontWeight: FontWeight.w600),
+                ),
+              ),
+            ],
+          );
+        },
+      ),
+    );
+  }
+}
+
+class _CacheCategoryTile extends StatelessWidget {
+  const _CacheCategoryTile({
+    required this.icon,
+    required this.title,
+    required this.subtitle,
+    required this.sizeText,
+    this.onClear,
+    this.showClear = true,
+  });
+
+  final IconData icon;
+  final String title;
+  final String subtitle;
+  final String sizeText;
+  final VoidCallback? onClear;
+  final bool showClear;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    return Card(
+      elevation: 0,
+      color: theme.colorScheme.surfaceContainerHighest.withValues(alpha: 0.5),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+        child: Row(
+          children: [
+            CircleAvatar(
+              backgroundColor: theme.colorScheme.primaryContainer,
+              foregroundColor: theme.colorScheme.onPrimaryContainer,
+              child: Icon(icon, size: 22),
+            ),
+            const SizedBox(width: 14),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    title,
+                    style: theme.textTheme.titleSmall?.copyWith(
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                  const SizedBox(height: 2),
+                  Text(
+                    subtitle,
+                    style: theme.textTheme.bodySmall?.copyWith(
+                      color: theme.colorScheme.onSurfaceVariant,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+            if (sizeText.isNotEmpty) ...[
+              Text(
+                sizeText,
+                style: theme.textTheme.labelLarge?.copyWith(
+                  fontWeight: FontWeight.bold,
+                  color: theme.colorScheme.primary,
+                ),
+              ),
+              const SizedBox(width: 8),
+            ],
+            if (showClear && onClear != null)
+              IconButton(
+                tooltip: 'Очистить',
+                onPressed: onClear,
+                icon: const Icon(Icons.delete_outline_rounded, size: 20),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/features/settings/presentation/settings_screen.dart

@@ -6,6 +6,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:url_launcher/url_launcher.dart';
 
+import '../../../app/app.dart';
 import '../../../app/app_version.dart';
 import '../../../app/changelog.dart';
 import '../../../app/app_strings.dart';
@@ -112,6 +113,99 @@ class _SettingsContent extends ConsumerWidget {
                 settings.copyWith(autoDownloadFavorites: value),
               ),
             ),
+            if (settings.allowDownloads) ...[
+              const SizedBox(height: 8),
+              DropdownButtonFormField<String>(
+                initialValue: const [
+                  '{Artist}/{ID}',
+                  '{Artist}',
+                  '{Provider}/{Artist}',
+                  '{Service}/{ID}',
+                  '{Date}/{Artist}',
+                ].contains(settings.downloadPathTemplate)
+                    ? settings.downloadPathTemplate
+                    : 'custom',
+                decoration: InputDecoration(
+                  labelText: settings.languageCode == 'ru'
+                      ? 'Структура папок скачивания'
+                      : 'Download folder structure',
+                  helperText: '{Artist}, {Provider}, {Service}, {ID}, {Date}',
+                ),
+                items: [
+                  const DropdownMenuItem(
+                    value: '{Artist}/{ID}',
+                    child: Text('{Artist}/{ID}'),
+                  ),
+                  const DropdownMenuItem(
+                    value: '{Artist}',
+                    child: Text('{Artist}'),
+                  ),
+                  const DropdownMenuItem(
+                    value: '{Provider}/{Artist}',
+                    child: Text('{Provider}/{Artist}'),
+                  ),
+                  const DropdownMenuItem(
+                    value: '{Service}/{ID}',
+                    child: Text('{Service}/{ID}'),
+                  ),
+                  const DropdownMenuItem(
+                    value: '{Date}/{Artist}',
+                    child: Text('{Date}/{Artist}'),
+                  ),
+                  if (![
+                    '{Artist}/{ID}',
+                    '{Artist}',
+                    '{Provider}/{Artist}',
+                    '{Service}/{ID}',
+                    '{Date}/{Artist}',
+                  ].contains(settings.downloadPathTemplate))
+                    DropdownMenuItem(
+                      value: settings.downloadPathTemplate,
+                      child: Text(settings.downloadPathTemplate),
+                    ),
+                  const DropdownMenuItem(
+                    value: 'custom',
+                    child: Text('Пользовательский шаблон...'),
+                  ),
+                ],
+                onChanged: (value) async {
+                  if (value == 'custom') {
+                    final ctrl = TextEditingController(
+                        text: settings.downloadPathTemplate);
+                    final custom = await showDialog<String>(
+                      context: context,
+                      builder: (ctx) => AlertDialog(
+                        title: const Text('Шаблон пути скачивания'),
+                        content: TextField(
+                          controller: ctrl,
+                          decoration: const InputDecoration(
+                            labelText: 'Шаблон',
+                            helperText:
+                                'Доступно: {Artist}, {Provider}, {Service}, {ID}, {Date}',
+                          ),
+                        ),
+                        actions: [
+                          TextButton(
+                              onPressed: () => Navigator.pop(ctx),
+                              child: const Text('Отмена')),
+                          FilledButton(
+                              onPressed: () =>
+                                  Navigator.pop(ctx, ctrl.text.trim()),
+                              child: const Text('Сохранить')),
+                        ],
+                      ),
+                    );
+                    if (custom != null && custom.isNotEmpty) {
+                      _update(ref,
+                          settings.copyWith(downloadPathTemplate: custom));
+                    }
+                  } else if (value != null) {
+                    _update(ref,
+                        settings.copyWith(downloadPathTemplate: value));
+                  }
+                },
+              ),
+            ],
           ],
         ),
         _SettingsSection(
@@ -130,6 +224,33 @@ class _SettingsContent extends ConsumerWidget {
                 settings.copyWith(languageCode: value ?? 'ru'),
               ),
             ),
+            SwitchListTile(
+              value: settings.amoledMode,
+              title: Text(settings.languageCode == 'ru'
+                  ? 'AMOLED Pure Black тема'
+                  : 'AMOLED Pure Black theme'),
+              subtitle: Text(settings.languageCode == 'ru'
+                  ? 'Абсолютно черный фон (#000000) для OLED дисплеев.'
+                  : 'Pitch-black background (#000000) for OLED displays.'),
+              onChanged: (value) => _update(
+                ref,
+                settings.copyWith(amoledMode: value),
+              ),
+            ),
+            if (isAndroid)
+              SwitchListTile(
+                value: settings.useDynamicColor,
+                title: Text(settings.languageCode == 'ru'
+                    ? 'Динамические цвета Material You'
+                    : 'Material You Dynamic Colors'),
+                subtitle: Text(settings.languageCode == 'ru'
+                    ? 'Палитра интерфейса подстраивается под обои системы.'
+                    : 'Palette adapts to device wallpaper colors.'),
+                onChanged: (value) => _update(
+                  ref,
+                  settings.copyWith(useDynamicColor: value),
+                ),
+              ),
             const SizedBox(height: 12),
             _ColorSwatches(
               selected: settings.appSeedColor,
@@ -280,6 +401,13 @@ class _SettingsContent extends ConsumerWidget {
                   icon: const Icon(Icons.cleaning_services_rounded),
                   label: Text(strings.clearCache),
                 ),
+                FilledButton.tonalIcon(
+                  onPressed: () => context.go('/settings/cache'),
+                  icon: const Icon(Icons.pie_chart_rounded),
+                  label: Text(settings.languageCode == 'ru'
+                      ? 'Менеджер кэша'
+                      : 'Cache Manager'),
+                ),
                 FilledButton.tonalIcon(
                   onPressed: () => ref
                       .read(settingsControllerProvider.notifier)
@@ -369,6 +497,20 @@ class _SettingsContent extends ConsumerWidget {
                   icon: const Icon(Icons.download_for_offline_rounded),
                   label: Text(strings.importJson),
                 ),
+                FilledButton.tonalIcon(
+                  onPressed: () => _exportBackupFile(context, ref),
+                  icon: const Icon(Icons.file_upload_rounded),
+                  label: Text(settings.languageCode == 'ru'
+                      ? 'Экспорт бэкапа'
+                      : 'Export backup'),
+                ),
+                FilledButton.tonalIcon(
+                  onPressed: () => _importBackupFile(context, ref),
+                  icon: const Icon(Icons.file_download_rounded),
+                  label: Text(settings.languageCode == 'ru'
+                      ? 'Импорт бэкапа'
+                      : 'Import backup'),
+                ),
               ],
             ),
             const SizedBox(height: 8),
@@ -413,6 +555,33 @@ class _SettingsContent extends ConsumerWidget {
     );
   }
 
+  Future<void> _exportBackupFile(BuildContext context, WidgetRef ref) async {
+    final success = await ref.read(backupServiceProvider).exportBackup();
+    if (!context.mounted) return;
+    if (success) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Бэкап сохранен / отправлен')),
+      );
+    }
+  }
+
+  Future<void> _importBackupFile(BuildContext context, WidgetRef ref) async {
+    final result = await ref.read(backupServiceProvider).importBackup();
+    if (!context.mounted) return;
+    if (result == null) return;
+    if (result is Success<AppSettings>) {
+      ref.invalidate(appSettingsProvider);
+      ref.invalidate(settingsControllerProvider);
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Настройки успешно импортированы!')),
+      );
+    } else if (result is Error<AppSettings>) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Ошибка импорта: ${result.failure.message}')),
+      );
+    }
+  }
+
   Future<void> _importDialog(BuildContext context, WidgetRef ref) async {
     final controller = TextEditingController();
     await showDialog<void>(

lib/shared/widgets/post_card.dart

@@ -54,26 +54,63 @@ class PostCard extends ConsumerStatefulWidget {
   ConsumerState<PostCard> createState() => _PostCardState();
 }
 
-class _PostCardState extends ConsumerState<PostCard> {
+class _PostCardState extends ConsumerState<PostCard>
+    with SingleTickerProviderStateMixin {
   static final Map<String, Post> _resolvedRealbooruPosts = {};
 
   bool _hovered = false;
   Post? _resolvedPost;
+  bool _showHeart = false;
+  late final AnimationController _heartController;
+  late final Animation<double> _heartScale;
+  late final Animation<double> _heartOpacity;
 
   @override
   void initState() {
     super.initState();
     _resolvedPost = _resolvedRealbooruPosts[widget.post.cacheKey];
     _maybeResolveRealbooruPost();
+    _heartController = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 600),
+    );
+    _heartScale = TweenSequence<double>([
+      TweenSequenceItem(
+          tween: Tween(begin: 0.4, end: 1.3)
+              .chain(CurveTween(curve: Curves.easeOut)),
+          weight: 40),
+      TweenSequenceItem(
+          tween: Tween(begin: 1.3, end: 1.0)
+              .chain(CurveTween(curve: Curves.easeIn)),
+          weight: 30),
+      TweenSequenceItem(
+          tween: Tween(begin: 1.0, end: 1.0), weight: 30),
+    ]).animate(_heartController);
+    _heartOpacity = TweenSequence<double>([
+      TweenSequenceItem(tween: ConstantTween(1.0), weight: 60),
+      TweenSequenceItem(
+          tween: Tween(begin: 1.0, end: 0.0)
+              .chain(CurveTween(curve: Curves.easeIn)),
+          weight: 40),
+    ]).animate(_heartController);
+    _heartController.addStatusListener((status) {
+      if (status == AnimationStatus.completed && mounted) {
+        setState(() => _showHeart = false);
+        _heartController.reset();
+      }
+    });
   }
 
   @override
-  void didUpdateWidget(covariant PostCard oldWidget) {
+  void dispose() {
-    super.didUpdateWidget(oldWidget);
+    _heartController.dispose();
-    if (oldWidget.post.cacheKey != widget.post.cacheKey) {
+    super.dispose();
-      _resolvedPost = _resolvedRealbooruPosts[widget.post.cacheKey];
-      _maybeResolveRealbooruPost();
   }
+
+  void _triggerDoubleTapFavorite() {
+    widget.onFavorite();
+    setState(() => _showHeart = true);
+    _heartController.forward();
   }
 
   @override
@@ -97,6 +134,7 @@ class _PostCardState extends ConsumerState<PostCard> {
           }
           widget.onOpen();
         },
+        onDoubleTap: _triggerDoubleTapFavorite,
         onLongPress: () {
           if (widget.selectionMode && widget.onToggleSelected != null) {
             widget.onToggleSelected!();
@@ -247,6 +285,32 @@ class _PostCardState extends ConsumerState<PostCard> {
                     onPressed: widget.onFavorite,
                   ),
                 ),
+              // Double-tap heart animation overlay
+              if (_showHeart)
+                Positioned.fill(
+                  child: Center(
+                    child: AnimatedBuilder(
+                      animation: _heartController,
+                      builder: (context, _) => Opacity(
+                        opacity: _heartOpacity.value,
+                        child: Transform.scale(
+                          scale: _heartScale.value,
+                          child: const Icon(
+                            Icons.favorite_rounded,
+                            color: Colors.white,
+                            size: 72,
+                            shadows: [
+                              Shadow(
+                                color: Colors.black54,
+                                blurRadius: 12,
+                              ),
+                            ],
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                ),
               Positioned.fill(
                 child: IgnorePointer(
                   ignoring: !_hovered || mobile,

lib/shared/widgets/post_masonry_grid.dart

@@ -27,6 +27,7 @@ class PostMasonryGrid extends StatelessWidget {
     this.downloadedKeys = const {},
     this.loading = false,
     this.controller,
+    this.gridMode = 'masonry',
     super.key,
   });
 
@@ -49,20 +50,15 @@ class PostMasonryGrid extends StatelessWidget {
   final Set<String> downloadedKeys;
   final bool loading;
   final ScrollController? controller;
+  final String gridMode;
 
   @override
   Widget build(BuildContext context) {
     final mobile = Responsive.isMobile(context);
-    return MasonryGridView.count(
+    final pad = EdgeInsets.all(mobile ? 8 : 16);
-      controller: controller,
+    final spacing = mobile ? 8.0 : 12.0;
-      padding: EdgeInsets.all(mobile ? 8 : 16),
+
-      crossAxisCount: columns,
+    Widget buildCard(Post post) {
-      mainAxisSpacing: mobile ? 8 : 12,
-      crossAxisSpacing: mobile ? 8 : 12,
-      itemCount: posts.length + (loading ? columns : 0),
-      itemBuilder: (context, index) {
-        if (index >= posts.length) return const LoadingSkeleton();
-        final post = posts[index];
       return PostCard(
         post: post,
         blurExplicit: blurExplicit && !nsfwEnabled,
@@ -82,6 +78,61 @@ class PostMasonryGrid extends StatelessWidget {
         onAddToCollection:
             onAddToCollection == null ? null : () => onAddToCollection!(post),
       );
+    }
+
+    if (gridMode == 'grid') {
+      // Uniform square grid
+      return GridView.builder(
+        controller: controller,
+        padding: pad,
+        gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
+          crossAxisCount: columns,
+          mainAxisSpacing: spacing,
+          crossAxisSpacing: spacing,
+          childAspectRatio: 1.0,
+        ),
+        itemCount: posts.length + (loading ? columns : 0),
+        itemBuilder: (context, index) {
+          if (index >= posts.length) return const LoadingSkeleton();
+          return ClipRRect(
+            borderRadius: BorderRadius.circular(8),
+            child: SizedBox.expand(
+              child: FittedBox(
+                fit: BoxFit.cover,
+                clipBehavior: Clip.hardEdge,
+                child: buildCard(posts[index]),
+              ),
+            ),
+          );
+        },
+      );
+    }
+
+    if (gridMode == 'list') {
+      // Vertical list with larger cards
+      return ListView.separated(
+        controller: controller,
+        padding: pad,
+        separatorBuilder: (_, __) => SizedBox(height: spacing),
+        itemCount: posts.length + (loading ? 3 : 0),
+        itemBuilder: (context, index) {
+          if (index >= posts.length) return const LoadingSkeleton();
+          return buildCard(posts[index]);
+        },
+      );
+    }
+
+    // Default: masonry
+    return MasonryGridView.count(
+      controller: controller,
+      padding: pad,
+      crossAxisCount: columns,
+      mainAxisSpacing: spacing,
+      crossAxisSpacing: spacing,
+      itemCount: posts.length + (loading ? columns : 0),
+      itemBuilder: (context, index) {
+        if (index >= posts.length) return const LoadingSkeleton();
+        return buildCard(posts[index]);
       },
     );
   }

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,7 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <dynamic_color/dynamic_color_plugin.h>
 #include <file_selector_linux/file_selector_plugin.h>
 #include <isar_flutter_libs/isar_flutter_libs_plugin.h>
 #include <media_kit_libs_linux/media_kit_libs_linux_plugin.h>
@@ -14,6 +15,9 @@
 #include <volume_controller/volume_controller_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) dynamic_color_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "DynamicColorPlugin");
+  dynamic_color_plugin_register_with_registrar(dynamic_color_registrar);
   g_autoptr(FlPluginRegistrar) file_selector_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FileSelectorPlugin");
   file_selector_plugin_register_with_registrar(file_selector_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  dynamic_color
   file_selector_linux
   isar_flutter_libs
   media_kit_libs_linux

pubspec.lock

@@ -273,6 +273,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  dynamic_color:
+    dependency: "direct main"
+    description:
+      name: dynamic_color
+      sha256: "4aeb76de323e8eb660bab5557d826ad7ebbf1434a598f0c6aa8a11a9696a6757"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.0"
   fake_async:
     dependency: transitive
     description:
@@ -289,14 +297,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
-  ffi_leak_tracker:
-    dependency: transitive
-    description:
-      name: ffi_leak_tracker
-      sha256: "4093d4ef9ca06ffe2786e73bfb25e22aa92112b9bb4ec941f11e3e6b61489a97"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.1.2"
   file:
     dependency: transitive
     description:
@@ -739,18 +739,18 @@ packages:
     dependency: transitive
     description:
       name: package_info_plus
-      sha256: "4bf625947f6c7713ee242296a682e23e44823c09cf9d79e4f1238923c92db852"
+      sha256: "468c26b4254ab01979fa5e4a98cb343ea3631b9acee6f21028997419a80e1a20"
       url: "https://pub.dev"
     source: hosted
-    version: "10.1.0"
+    version: "9.0.1"
   package_info_plus_platform_interface:
     dependency: transitive
     description:
       name: package_info_plus_platform_interface
-      sha256: db762cb2f4f25ee60fb6359773861b0f199e00b90d237bd85a76a1e806b46ef4
+      sha256: "202a487f08836a592a6bd4f901ac69b3a8f146af552bbd14407b6b41e1c3f086"
       url: "https://pub.dev"
     source: hosted
-    version: "4.1.0"
+    version: "3.2.1"
   path:
     dependency: "direct main"
     description:
@@ -911,6 +911,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  share_plus:
+    dependency: "direct main"
+    description:
+      name: share_plus
+      sha256: fce43200aa03ea87b91ce4c3ac79f0cecd52e2a7a56c7a4185023c271fbfa6da
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.1.4"
+  share_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: share_plus_platform_interface
+      sha256: cc012a23fc2d479854e6c80150696c4a5f5bb62cb89af4de1c505cf78d0a5d0b
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.2"
   shelf:
     dependency: transitive
     description:
@@ -1208,10 +1224,10 @@ packages:
     dependency: transitive
     description:
       name: wakelock_plus
-      sha256: "824c5bba0f800e86d32e57d3d1843c531f090005cc89d9a837933e6601093d53"
+      sha256: ddf3db70eaa10c37558ff817519b85d527dbd21034fd5d8e1c2e85f31588f1c1
       url: "https://pub.dev"
     source: hosted
-    version: "1.6.1"
+    version: "1.5.2"
   wakelock_plus_platform_interface:
     dependency: transitive
     description:
@@ -1256,10 +1272,10 @@ packages:
     dependency: transitive
     description:
       name: win32
-      sha256: ba6f4bba816c8d7e3c1580e170f3786d216951cc6b94babc3b814c08d2cb2738
+      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
       url: "https://pub.dev"
     source: hosted
-    version: "6.3.0"
+    version: "5.15.0"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,7 +1,7 @@
 name: gel_rule_app
 description: Local backend/core layer for a Flutter booru browser app.
 publish_to: "none"
-version: 2.0.4+26
+version: 2.0.5+27
 
 environment:
   sdk: ">=3.3.0 <4.0.0"
@@ -31,6 +31,8 @@ dependencies:
   file_selector: ^1.0.3
   path: ^1.9.0
   media_kit_libs_android_video: ^1.3.8
+  share_plus: ^10.0.0
+  dynamic_color: ^1.7.0
 
 dev_dependencies:
   flutter_test:

test/backend/qol_features_test.dart

@@ -0,0 +1,138 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gel_rule_app/backend/models/post.dart';
+import 'package:gel_rule_app/backend/services/backup_service.dart';
+import 'package:gel_rule_app/backend/services/download_service.dart';
+import 'package:gel_rule_app/backend/services/settings_service.dart';
+import 'package:gel_rule_app/core/utils/result.dart';
+
+void main() {
+  group('QoL Features Unit Tests', () {
+    test('AppSettings JSON roundtrip retains new QoL fields', () {
+      const initial = AppSettings(
+        enabledProviderIds: ['gelbooru'],
+        nsfwEnabled: true,
+        cacheTtlHours: 12,
+        cacheMaxItems: 500,
+        providerPriority: {'gelbooru': 0},
+        themeMode: 'dark',
+        languageCode: 'ru',
+        appSeedColor: 0xFF112233,
+        hiddenTabs: [],
+        allowExperimentalUpdates: false,
+        desktopColumns: 4,
+        mobileColumns: 2,
+        blurExplicitContent: false,
+        allowDownloads: true,
+        autoDownloadFavorites: true,
+        selectedFeedProviderIds: [],
+        showPostBadges: true,
+        defaultTopPeriodFilter: 'none',
+        blacklistedTags: [],
+        whitelistedTags: [],
+        smartBlacklistRules: [],
+        hideViewedPosts: false,
+        mediaQualityMode: 'auto',
+        motionRefreshMode: 'auto',
+        autoBatterySaver60Hz: false,
+        videoPlayerMuted: true,
+        videoPlayerHalfVolume: false,
+        videoPlayerLoop: false,
+        videoPlayerCover: false,
+        videoPlaybackPositions: {},
+        hiddenPostKeys: [],
+        diagnosticLogLines: [],
+        lastFeedTags: [],
+        lastFeedProviderIds: [],
+        lastFeedTopPeriod: 'none',
+        lastFeedScrollOffset: 0,
+        amoledMode: true,
+        useDynamicColor: true,
+        gridMode: 'grid',
+        searchPresets: ['{"name":"Favs","tags":"cat"}'],
+        downloadPathTemplate: '{Provider}/{Artist}',
+      );
+
+      final json = initial.toJson();
+      final restored = AppSettings.fromJson(json);
+
+      expect(restored.amoledMode, isTrue);
+      expect(restored.useDynamicColor, isTrue);
+      expect(restored.gridMode, equals('grid'));
+      expect(restored.searchPresets, equals(['{"name":"Favs","tags":"cat"}']));
+      expect(restored.downloadPathTemplate, equals('{Provider}/{Artist}'));
+    });
+
+    test('DownloadService resolveSubDir replaces template variables correctly', () {
+      final downloadService = DownloadService();
+      final post = Post(
+        id: '12345',
+        providerId: 'pawchive',
+        providerName: 'Pawchive',
+        previewUrl: 'https://example.com/prev.jpg',
+        sampleUrl: 'https://example.com/sample.jpg',
+        fileUrl: 'https://example.com/file.jpg',
+        tags: ['artist:CoolArtist', 'cat', 'safe'],
+        rating: 'safe',
+        width: 800,
+        height: 600,
+        createdAt: DateTime.now(),
+        fileType: 'jpg',
+        score: 42,
+        tagGroups: {
+          'artist': ['CoolArtist'],
+        },
+      );
+
+      final resolved = downloadService.resolveSubDir(post, '{Provider}/{Artist}');
+      expect(resolved, equals('Pawchive/CoolArtist'));
+
+      final singleDir = downloadService.resolveSubDir(post, '{Artist}');
+      expect(singleDir, equals('CoolArtist'));
+
+      final withId = downloadService.resolveSubDir(post, '{Artist}/{ID}');
+      expect(withId, equals('CoolArtist'));
+    });
+
+    test('BackupService exports and restores settings accurately', () async {
+      final fakeSettings = _FakeSettingsService();
+      final backupService = BackupService(fakeSettings);
+
+      fakeSettings.current = AppSettings.defaults.copyWith(
+        amoledMode: true,
+        useDynamicColor: true,
+        gridMode: 'list',
+        downloadPathTemplate: '{Provider}/{ID}',
+      );
+
+      final exportedJson = await backupService.createBackupJson();
+      expect(exportedJson, contains('version'));
+      expect(exportedJson, contains('settings'));
+
+      // Change settings to something else
+      fakeSettings.current = AppSettings.defaults.copyWith(
+        amoledMode: false,
+        gridMode: 'masonry',
+      );
+
+      // Restore from backup
+      final restoreResult = await backupService.restoreFromJson(exportedJson);
+      expect(restoreResult.isSuccess, isTrue);
+      expect(fakeSettings.current.amoledMode, isTrue);
+      expect(fakeSettings.current.gridMode, equals('list'));
+      expect(fakeSettings.current.downloadPathTemplate, equals('{Provider}/{ID}'));
+    });
+  });
+}
+
+class _FakeSettingsService extends Fake implements SettingsService {
+  AppSettings current = AppSettings.defaults;
+
+  @override
+  Future<Result<AppSettings>> getSettings() async => Success(current);
+
+  @override
+  Future<Result<void>> updateSettings(AppSettings settings) async {
+    current = settings;
+    return const Success(null);
+  }
+}

windows/flutter/generated_plugin_registrant.cc

@@ -7,16 +7,20 @@
 #include "generated_plugin_registrant.h"
 
 #include <connectivity_plus/connectivity_plus_windows_plugin.h>
+#include <dynamic_color/dynamic_color_plugin_c_api.h>
 #include <file_selector_windows/file_selector_windows.h>
 #include <isar_flutter_libs/isar_flutter_libs_plugin.h>
 #include <media_kit_libs_windows_video/media_kit_libs_windows_video_plugin_c_api.h>
 #include <media_kit_video/media_kit_video_plugin_c_api.h>
+#include <share_plus/share_plus_windows_plugin_c_api.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 #include <volume_controller/volume_controller_plugin_c_api.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   ConnectivityPlusWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("ConnectivityPlusWindowsPlugin"));
+  DynamicColorPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("DynamicColorPluginCApi"));
   FileSelectorWindowsRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FileSelectorWindows"));
   IsarFlutterLibsPluginRegisterWithRegistrar(
@@ -25,6 +29,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("MediaKitLibsWindowsVideoPluginCApi"));
   MediaKitVideoPluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("MediaKitVideoPluginCApi"));
+  SharePlusWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("SharePlusWindowsPluginCApi"));
   UrlLauncherWindowsRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("UrlLauncherWindows"));
   VolumeControllerPluginCApiRegisterWithRegistrar(

windows/flutter/generated_plugins.cmake

@@ -4,10 +4,12 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   connectivity_plus
+  dynamic_color
   file_selector_windows
   isar_flutter_libs
   media_kit_libs_windows_video
   media_kit_video
+  share_plus
   url_launcher_windows
   volume_controller
 )