feat: кастомные обои чата (SVG-паттерны, темы, глобальный фон, прозрачные панели)

lib/l10n/app_en.arb

@@ -291,6 +291,7 @@
   "appearanceChatChromeColor": "Color",
   "appearanceChatChromeBlur": "Blur",
   "appearanceChatChromeNone": "None",
+  "appearanceChatChromeTransparent": "Clear",
   "appearanceGradientTitle": "Gradient",
   "appearanceGradientSubtitle": "Depth and highlights in Glossy capsules",
   "appearanceAccentColorTitle": "Accent color",

lib/l10n/app_localizations.dart

@@ -1532,6 +1532,12 @@ abstract class AppLocalizations {
   /// **'None'**
   String get appearanceChatChromeNone;
 
+  /// No description provided for @appearanceChatChromeTransparent.
+  ///
+  /// In en, this message translates to:
+  /// **'Clear'**
+  String get appearanceChatChromeTransparent;
+
   /// No description provided for @appearanceGradientTitle.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_en.dart

@@ -762,6 +762,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get appearanceChatChromeNone => 'None';
 
+  @override
+  String get appearanceChatChromeTransparent => 'Clear';
+
   @override
   String get appearanceGradientTitle => 'Gradient';
 

lib/l10n/app_localizations_ru.dart

@@ -765,6 +765,9 @@ class AppLocalizationsRu extends AppLocalizations {
   @override
   String get appearanceChatChromeNone => 'Нет';
 
+  @override
+  String get appearanceChatChromeTransparent => 'Прозр.';
+
   @override
   String get appearanceGradientTitle => 'Градиент';
 

lib/l10n/app_ru.arb

@@ -256,6 +256,7 @@
   "appearanceChatChromeColor": "Цвет",
   "appearanceChatChromeBlur": "Блюр",
   "appearanceChatChromeNone": "Нет",
+  "appearanceChatChromeTransparent": "Прозр.",
   "appearanceGradientTitle": "Градиент",
   "appearanceGradientSubtitle": "Объём и блики в Glossy-капсулах",
   "appearanceAccentColorTitle": "Акцентный цвет",