feat(ai-scribe): Fix the English locale file `(intl_en.arb)` is missing all three AI Scribe keys

feat(ai-scribe): Fix async function declared without proper return type annotation.

feat(ai-scribe): Fix Async operations not properly awaited.

feat(ai-scribe): Fix inconsistent capitalization between button labels.

feat(ai-scribe): Fix GenerateAITextFailure check will never match.

feat(ai-scribe): Fix consider validating text input for predefined actions.

feat(ai-scribe): Using a subshell for directory isolation.

feat(ai-scribe): Fix verify the mock usage or document intent.

feat(ai-scribe): Using a more conventional import for Offset.

feat(ai-scribe): Adding error handling for consistency

feat(ai-scribe): Remove `fromJson` and `toJson` of AIResponse

feat(ai-scribe): Using constants for role values.

feat(ai-scribe): Using a more specific import.

feat(ai-scribe): Using Timer for cleaner lifecycle management

feat(ai-scribe): Adding error handling to fromMap() for consistency.

feat(ai-scribe): Disposing the ValueNotifier

feat(ai-scribe): Redundant null check after assignment

feat(ai-scribe): Fix calling `registerSelectionChangeListener` multiple times may be inefficient.

feat(ai-scribe): Safer type handling for JavaScript callback args

feat(ai-scribe): Fix async callbacks not awaited in switch statement.

feat(ai-scribe): Fix binding lifecycle mismatch for GetAIScribeConfigInteractor

feat(ai-scribe): Fix ai prompts

feat(ai-scribe): Fix unawaited async call to `_setupSelectionListener`

feat(ai-scribe): Fix switch cases use top-origin coordinates while `PositionedDirectional(bottom:)`` expects bottom-origin coordinates.

feat(ai-scribe): Adding error handling for selection listener setup.

lib/features/composer/presentation/extensions/ai_scribe/handle_ai_scribe_in_composer_extension.dart

@@ -35,7 +35,7 @@ extension HandleAiScribeInComposerExtension on ComposerController {
     }
   }
 
-  void insertTextInEditor(String text) async {
+  Future<void> insertTextInEditor(String text) async {
     try {
       final htmlContent = StringConvert.convertTextContentToHtmlContent(text);
 
@@ -87,18 +87,17 @@ extension HandleAiScribeInComposerExtension on ComposerController {
   // Ensure we only insert at cursor position by collapsing selection before inserting
   Future<void> onInsertTextCallback(String text) async {
     await collapseSelection();
-
-    insertTextInEditor(text);
+    await insertTextInEditor(text);
   }
 
   // If there is a selection, it will replace the selection, else it will replace everything
-  void onReplaceTextCallback(String text) {
+  Future<void> onReplaceTextCallback(String text) async {
     final selection = editorTextSelection.value?.selectedText;
     if (selection == null || selection.isEmpty) {
       clearTextInEditor();
     }
 
-    insertTextInEditor(text);
+    await insertTextInEditor(text);
   }
 
   Future<void> openAIAssistantModal(Offset? position, Size? size) async {
@@ -116,16 +115,16 @@ extension HandleAiScribeInComposerExtension on ComposerController {
     );
   }
 
-  void handleAiScribeSuggestionAction(
+  Future<void> handleAiScribeSuggestionAction(
     AiScribeSuggestionActions action,
     String suggestionText,
-  ) {
+  ) async {
     switch (action) {
       case AiScribeSuggestionActions.replace:
-        onReplaceTextCallback(suggestionText);
+        await onReplaceTextCallback(suggestionText);
         break;
       case AiScribeSuggestionActions.insert:
-        onInsertTextCallback(suggestionText);
+        await onInsertTextCallback(suggestionText);
         break;
     }
   }

lib/features/composer/presentation/mixin/text_selection_mixin.dart

@@ -58,12 +58,21 @@ class TextSelectionCoordinates {
   });
 
   factory TextSelectionCoordinates.fromMap(Map<dynamic, dynamic> data) {
-    return TextSelectionCoordinates(
-      x: (data['x'] as num?)?.toDouble() ?? 0.0,
-      y: (data['y'] as num?)?.toDouble() ?? 0.0,
-      width: (data['width'] as num?)?.toDouble() ?? 0.0,
-      height: (data['height'] as num?)?.toDouble() ?? 0.0,
-    );
+    try {
+      return TextSelectionCoordinates(
+        x: (data['x'] as num?)?.toDouble() ?? 0.0,
+        y: (data['y'] as num?)?.toDouble() ?? 0.0,
+        width: (data['width'] as num?)?.toDouble() ?? 0.0,
+        height: (data['height'] as num?)?.toDouble() ?? 0.0,
+      );
+    } catch (e) {
+      return const TextSelectionCoordinates(
+        x: 0.0,
+        y: 0.0,
+        width: 0.0,
+        height: 0.0,
+      );
+    }
   }
 
   Offset get position => Offset(x, y);

lib/features/composer/presentation/widgets/mobile/mobile_editor_widget.dart

@@ -1,5 +1,6 @@
 
 import 'package:core/presentation/constants/constants_ui.dart';
+import 'package:core/utils/app_logger.dart';
 import 'package:core/utils/html/html_template.dart';
 import 'package:core/utils/platform_info.dart';
 import 'package:core/utils/html/html_utils.dart';
@@ -36,7 +37,6 @@ class MobileEditorWidget extends StatefulWidget {
 
 class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMixin {
 
-  HtmlEditorApi? _editorApi;
   late String _createdViewId;
 
   @override
@@ -48,9 +48,8 @@ class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMix
   @override
   void Function(TextSelectionData?)? get onSelectionChanged => widget.onTextSelectionChanged;
 
-  void _setupSelectionListener() async {
-    final webViewController = _editorApi?.webViewController;
-    if (webViewController == null) return;
+  Future<void> _setupSelectionListener(HtmlEditorApi editorApi) async {
+    final webViewController = editorApi.webViewController;
 
     final registerSelectionChange =
         HtmlUtils.registerSelectionChangeListener(_createdViewId);
@@ -61,8 +60,10 @@ class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMix
         if (!mounted) return;
 
         if (args.isNotEmpty) {
-          final data = args[0] as Map<dynamic, dynamic>;
-          handleSelectionChange(data);
+          final rawData = args[0];
+          if (rawData is Map<dynamic, dynamic>) {
+            handleSelectionChange(rawData);
+          }
         }
       },
     );
@@ -72,10 +73,13 @@ class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMix
     );
   }
 
-  @override
-  void dispose() {
-    _editorApi = null;
-    super.dispose();
+  Future<void> _onWebViewCreated(HtmlEditorApi editorApi) async {
+    widget.onCreatedEditorAction.call(context, editorApi, widget.content);
+    try {
+      await _setupSelectionListener(editorApi);
+    } catch (e) {
+      logError('Error onWebViewCreated: $e');
+    }
   }
 
   @override
@@ -90,11 +94,7 @@ class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMix
         direction: widget.direction,
         useDefaultFontStyle: true,
       ),
-      onCreated: (editorApi) {
-        _editorApi = editorApi;
-        widget.onCreatedEditorAction.call(context, editorApi, widget.content);
-        _setupSelectionListener();
-      },
+      onCreated: _onWebViewCreated,
       onCompleted: widget.onLoadCompletedEditorAction,
       onContentHeightChanged: PlatformInfo.isIOS ? widget.onEditorContentHeightChanged : null,
     );

lib/features/composer/presentation/widgets/web/web_editor_widget.dart

@@ -92,6 +92,7 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
   bool _signatureTooltipReady = false;
 
   late String _createdViewId;
+  late WebScript _selectionChangeScript;
 
   @override
   void Function(TextSelectionData?)? get onSelectionChanged => widget.onTextSelectionChanged;
@@ -103,7 +104,11 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
     _editorController = widget.editorController;
 
     final registerSelectionChange =
-    HtmlUtils.registerSelectionChangeListener(_createdViewId);
+      HtmlUtils.registerSelectionChangeListener(_createdViewId);
+    _selectionChangeScript = WebScript(
+      name: registerSelectionChange.name,
+      script: registerSelectionChange.script,
+    );
 
     _editorListener = (event) {
       try {
@@ -112,7 +117,7 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
 
           if (data['name'] == HtmlUtils.registerDropListener.name) {
             _editorController.evaluateJavascriptWeb(HtmlUtils.removeLineHeight1px.name);
-          } else if (data['name'] == registerSelectionChange.name
+          } else if (data['name'] == _selectionChangeScript.name
               && data['viewId'] == _createdViewId) {
             handleSelectionChange(data);
           }
@@ -123,9 +128,8 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
         );
       }
     };
-    if (_editorListener != null) {
-      window.addEventListener("message", _editorListener!);
-    }
+
+    window.addEventListener("message", _editorListener!);
   }
 
   @override
@@ -189,8 +193,8 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
             script: HtmlUtils.unregisterDropListener.script,
           ),
           WebScript(
-            name: HtmlUtils.registerSelectionChangeListener(_createdViewId).name,
-            script: HtmlUtils.registerSelectionChangeListener(_createdViewId).script,
+            name: _selectionChangeScript.name,
+            script: _selectionChangeScript.script,
           ),
           WebScript(
             name: HtmlUtils.collapseSelectionToEnd.name,

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -309,7 +309,7 @@ class MailboxDashBoardController extends ReloadableController
   final isPopupMenuOpened = RxBool(false);
   final octetsQuota = Rxn<Quota>();
   final isTextFormattingMenuOpened = RxBool(false);
-  final cachedAIScribeConfig = Rx<AIScribeConfig>(AIScribeConfig.initial());
+  final cachedAIScribeConfig = AIScribeConfig.initial().obs;
 
   Map<Role, MailboxId> mapDefaultMailboxIdByRole = {};
   Map<MailboxId, PresentationMailbox> mapMailboxById = {};

lib/features/manage_account/presentation/preferences/bindings/preferences_interactors_bindings.dart

@@ -6,7 +6,6 @@ import 'package:tmail_ui_user/features/manage_account/data/local/language_cache_
 import 'package:tmail_ui_user/features/manage_account/data/local/preferences_setting_manager.dart';
 import 'package:tmail_ui_user/features/manage_account/data/repository/manage_account_repository_impl.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/repository/manage_account_repository.dart';
-import 'package:tmail_ui_user/features/manage_account/domain/usecases/get_ai_scribe_config_interactor.dart';
 import 'package:tmail_ui_user/features/manage_account/domain/usecases/save_language_interactor.dart';
 import 'package:tmail_ui_user/features/server_settings/data/datasource/server_settings_data_source.dart';
 import 'package:tmail_ui_user/features/server_settings/data/datasource_impl/remote_server_settings_data_source_impl.dart';
@@ -102,6 +101,5 @@ class PreferencesInteractorsBindings extends InteractorsBindings {
     Get.delete<ManageAccountRepositoryImpl>(tag: composerId);
     Get.delete<ManageAccountRepository>(tag: composerId);
     Get.delete<SaveLanguageInteractor>(tag: composerId);
-    Get.delete<GetAIScribeConfigInteractor>(tag: composerId);
   }
 }

lib/l10n/intl_en.arb

@@ -3274,5 +3274,23 @@
     "type": "text",
     "placeholders_order": [],
     "placeholders": {}
+  },
+  "aiScribe": "AI Scribe",
+  "@aiScribe": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
+  },
+  "aiScribeSettingExplanation": "Use AI to help write and improve your emails",
+  "@aiScribeSettingExplanation": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
+  },
+  "aiScribeToggleDescription": "Enable AI Scribe",
+  "@aiScribeToggleDescription": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
   }
 }