feat: Refactor code structure and optimize performance across multiple modules

mobile-apps/staff-app/lib/features/profile/faq/data/faq_api_provider.dart

@@ -0,0 +1,19 @@
+import 'package:injectable/injectable.dart';
+import 'package:krow/features/profile/faq/data/models/faq_entry_model.dart';
+
+@injectable
+class FaqApiProvider {
+  static const List<FaqEntryModel> localFaqData = [
+    FaqEntryModel(
+      question: 'How do I create a profile?',
+      answer: 'To create a profile, download the app, sign up with your email '
+          'or phone number, and fill in your basic details, including your '
+          'skills and experience.',
+    ),
+  ];
+
+  Future<List<FaqEntryModel>> fetchFaqData() async {
+    //TODO: Add additional FAQs either received from the backend or as static local data.
+    return localFaqData;
+  }
+}

mobile-apps/staff-app/lib/features/profile/faq/data/faq_repository_impl.dart

@@ -0,0 +1,24 @@
+import 'package:injectable/injectable.dart';
+import 'package:krow/features/profile/faq/data/faq_api_provider.dart';
+import 'package:krow/features/profile/faq/data/models/faq_entry_model.dart';
+import 'package:krow/features/profile/faq/domain/entities/faq_entry.dart';
+import 'package:krow/features/profile/faq/domain/faq_repository.dart';
+
+@Injectable(as: FaqRepository)
+class FaqRepositoryImpl implements FaqRepository {
+  FaqRepositoryImpl({required FaqApiProvider provider}) : _provider = provider;
+
+  final FaqApiProvider _provider;
+
+  FaqEntry _modelConverter(FaqEntryModel data) {
+    return FaqEntry(question: data.question, answer: data.answer);
+  }
+
+  @override
+  Future<List<FaqEntry>> getFaqData() async {
+    return [
+      for (final entry in await _provider.fetchFaqData())
+        _modelConverter(entry),
+    ];
+  }
+}

mobile-apps/staff-app/lib/features/profile/faq/data/models/faq_entry_model.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/foundation.dart';
+
+@immutable
+class FaqEntryModel {
+  const FaqEntryModel({required this.question, required this.answer});
+
+  factory FaqEntryModel.fromJson(Map<String, dynamic> json) {
+    //TODO: Add from JSON conversion once the backend is ready.
+    throw UnimplementedError('Implement from JSON conversion');
+  }
+
+  final String question;
+  final String answer;
+}