refactor(content_management): update imports and localization

- Update imports to use ht_ui_kit package
- Replace context.l10n with AppLocalizationsX(context).l10n for localization
- Remove unused imports related to spacing and pagination constants
- Remove duplicate widgets provided by ht_ui_kit package

Author: fulleni

lib/content_management/view/content_management_page.dart

@@ -7,7 +7,7 @@ import 'package:ht_dashboard/content_management/view/sources_page.dart';
 import 'package:ht_dashboard/content_management/view/topics_page.dart';
 import 'package:ht_dashboard/l10n/l10n.dart';
 import 'package:ht_dashboard/router/routes.dart';
-import 'package:ht_dashboard/shared/constants/app_spacing.dart';
+import 'package:ht_ui_kit/ht_ui_kit.dart';
 
 /// {@template content_management_page}
 /// A page for Content Management with tabbed navigation for sub-sections.
@@ -50,7 +50,7 @@ class _ContentManagementPageState extends State<ContentManagementPage>
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return BlocListener<ContentManagementBloc, ContentManagementState>(
       listener: (context, state) {
         // Optionally handle state changes, e.g., show snackbar for errors

lib/content_management/view/create_headline_page.dart

@@ -4,7 +4,6 @@ import 'package:go_router/go_router.dart';
 import 'package:ht_dashboard/content_management/bloc/content_management_bloc.dart';
 import 'package:ht_dashboard/content_management/bloc/create_headline/create_headline_bloc.dart';
 import 'package:ht_dashboard/l10n/l10n.dart';
-import 'package:ht_dashboard/shared/constants/pagination_constants.dart';
 import 'package:ht_dashboard/shared/shared.dart';
 import 'package:ht_data_repository/ht_data_repository.dart';
 import 'package:ht_shared/ht_shared.dart';
@@ -44,7 +43,7 @@ class _CreateHeadlineViewState extends State<_CreateHeadlineView> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Scaffold(
       appBar: AppBar(
         title: Text(l10n.createHeadline),

lib/content_management/view/create_source_page.dart

@@ -5,7 +5,6 @@ import 'package:ht_dashboard/content_management/bloc/content_management_bloc.dar
 import 'package:ht_dashboard/content_management/bloc/create_source/create_source_bloc.dart';
 import 'package:ht_dashboard/content_management/bloc/edit_source/edit_source_bloc.dart';
 import 'package:ht_dashboard/l10n/l10n.dart';
-import 'package:ht_dashboard/shared/constants/pagination_constants.dart';
 import 'package:ht_dashboard/shared/shared.dart';
 import 'package:ht_data_repository/ht_data_repository.dart';
 import 'package:ht_shared/ht_shared.dart';
@@ -43,7 +42,7 @@ class _CreateSourceViewState extends State<_CreateSourceView> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Scaffold(
       appBar: AppBar(
         title: Text(l10n.createSource),

lib/content_management/view/create_topic_page.dart

@@ -4,7 +4,6 @@ import 'package:go_router/go_router.dart';
 import 'package:ht_dashboard/content_management/bloc/content_management_bloc.dart';
 import 'package:ht_dashboard/content_management/bloc/create_topic/create_topic_bloc.dart';
 import 'package:ht_dashboard/l10n/l10n.dart';
-import 'package:ht_dashboard/shared/constants/pagination_constants.dart';
 import 'package:ht_dashboard/shared/shared.dart';
 import 'package:ht_data_repository/ht_data_repository.dart';
 import 'package:ht_shared/ht_shared.dart';
@@ -41,7 +40,7 @@ class _CreateTopicViewState extends State<_CreateTopicView> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Scaffold(
       appBar: AppBar(
         title: Text(l10n.createTopic),

lib/content_management/view/edit_headline_page.dart

@@ -70,7 +70,7 @@ class _EditHeadlineViewState extends State<_EditHeadlineView> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Scaffold(
       appBar: AppBar(
         title: Text(l10n.editHeadline),

lib/content_management/view/edit_source_page.dart

@@ -68,7 +68,7 @@ class _EditSourceViewState extends State<_EditSourceView> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Scaffold(
       appBar: AppBar(
         title: Text(l10n.editSource),

lib/content_management/view/edit_topic_page.dart

@@ -64,7 +64,7 @@ class _EditTopicViewState extends State<_EditTopicView> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Scaffold(
       appBar: AppBar(
         title: Text(l10n.editTopic),

lib/content_management/view/headlines_page.dart

@@ -6,12 +6,9 @@ import 'package:ht_dashboard/content_management/bloc/content_management_bloc.dar
 import 'package:ht_dashboard/l10n/app_localizations.dart'; // Corrected import
 import 'package:ht_dashboard/l10n/l10n.dart';
 import 'package:ht_dashboard/router/routes.dart';
-import 'package:ht_dashboard/shared/constants/app_spacing.dart';
-import 'package:ht_dashboard/shared/constants/pagination_constants.dart';
 import 'package:ht_dashboard/shared/extensions/content_status_l10n.dart';
-import 'package:ht_dashboard/shared/widgets/failure_state_widget.dart';
-import 'package:ht_dashboard/shared/widgets/loading_state_widget.dart';
 import 'package:ht_shared/ht_shared.dart';
+import 'package:ht_ui_kit/ht_ui_kit.dart';
 import 'package:intl/intl.dart';
 
 /// {@template headlines_page}
@@ -36,7 +33,7 @@ class _HeadlinesPageState extends State<HeadlinesPage> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Padding(
       padding: const EdgeInsets.all(AppSpacing.lg),
       child: BlocBuilder<ContentManagementBloc, ContentManagementState>(

lib/content_management/view/sources_page.dart

@@ -7,12 +7,9 @@ import 'package:ht_dashboard/content_management/bloc/edit_source/edit_source_blo
 import 'package:ht_dashboard/l10n/app_localizations.dart';
 import 'package:ht_dashboard/l10n/l10n.dart';
 import 'package:ht_dashboard/router/routes.dart';
-import 'package:ht_dashboard/shared/constants/app_spacing.dart';
-import 'package:ht_dashboard/shared/constants/pagination_constants.dart';
 import 'package:ht_dashboard/shared/extensions/content_status_l10n.dart';
-import 'package:ht_dashboard/shared/widgets/failure_state_widget.dart';
-import 'package:ht_dashboard/shared/widgets/loading_state_widget.dart';
 import 'package:ht_shared/ht_shared.dart';
+import 'package:ht_ui_kit/ht_ui_kit.dart';
 import 'package:intl/intl.dart';
 
 /// {@template sources_page}
@@ -37,7 +34,7 @@ class _SourcesPageState extends State<SourcesPage> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Padding(
       padding: const EdgeInsets.all(AppSpacing.lg),
       child: BlocBuilder<ContentManagementBloc, ContentManagementState>(

lib/content_management/view/topics_page.dart

@@ -6,9 +6,9 @@ import 'package:ht_dashboard/content_management/bloc/content_management_bloc.dar
 import 'package:ht_dashboard/l10n/app_localizations.dart';
 import 'package:ht_dashboard/l10n/l10n.dart';
 import 'package:ht_dashboard/router/routes.dart';
-import 'package:ht_dashboard/shared/constants/pagination_constants.dart';
 import 'package:ht_dashboard/shared/shared.dart';
 import 'package:ht_shared/ht_shared.dart';
+import 'package:ht_ui_kit/ht_ui_kit.dart';
 import 'package:intl/intl.dart';
 
 /// {@template topics_page}
@@ -33,7 +33,7 @@ class _TopicPageState extends State<TopicPage> {
 
   @override
   Widget build(BuildContext context) {
-    final l10n = context.l10n;
+    final l10n = AppLocalizationsX(context).l10n;
     return Padding(
       padding: const EdgeInsets.all(AppSpacing.lg),
       child: BlocBuilder<ContentManagementBloc, ContentManagementState>(