feat(ui): Add collapsible sections to chats drawer for better UX

lib/core/persistence/persistence_keys.dart

@@ -30,6 +30,11 @@ final class PreferenceKeys {
   static const String ttsServerVoiceName = 'tts_server_voice_name';
   static const String voiceSilenceDuration = 'voice_silence_duration';
   static const String androidAssistantTrigger = 'android_assistant_trigger';
+
+  // Drawer section collapsed states
+  static const String drawerShowPinned = 'drawer_show_pinned';
+  static const String drawerShowFolders = 'drawer_show_folders';
+  static const String drawerShowRecent = 'drawer_show_recent';
 }
 
 final class LegacyPreferenceKeys {

lib/features/navigation/widgets/chats_drawer.dart

@@ -26,6 +26,12 @@ import '../../../shared/widgets/responsive_drawer_layout.dart';
 import '../../../core/models/model.dart';
 import '../../../core/models/conversation.dart';
 import '../../../core/models/folder.dart';
+import '../../../core/persistence/persistence_keys.dart';
+import '../../../core/persistence/hive_boxes.dart';
+import 'package:hive_ce/hive.dart';
+
+/// Defines the section types that can be collapsed in the chats drawer
+enum _SectionType { pinned, recent }
 
 class ChatsDrawer extends ConsumerStatefulWidget {
   const ChatsDrawer({super.key});
@@ -49,6 +55,12 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
   // UI state providers for sections
   static final _showArchivedProvider =
       NotifierProvider<_ShowArchivedNotifier, bool>(_ShowArchivedNotifier.new);
+  static final _showPinnedProvider =
+      NotifierProvider<_ShowPinnedNotifier, bool>(_ShowPinnedNotifier.new);
+  static final _showFoldersProvider =
+      NotifierProvider<_ShowFoldersNotifier, bool>(_ShowFoldersNotifier.new);
+  static final _showRecentProvider =
+      NotifierProvider<_ShowRecentNotifier, bool>(_ShowRecentNotifier.new);
   static final _expandedFoldersProvider =
       NotifierProvider<_ExpandedFoldersNotifier, Map<String, bool>>(
         _ExpandedFoldersNotifier.new,
@@ -318,6 +330,10 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
 
           final archived = list.where((c) => c.archived == true).toList();
 
+          final showPinned = ref.watch(_showPinnedProvider);
+          final showFolders = ref.watch(_showFoldersProvider);
+          final showRecent = ref.watch(_showRecentProvider);
+
           final slivers = <Widget>[
             if (pinned.isNotEmpty) ...[
               SliverPadding(
@@ -326,11 +342,14 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                   child: _buildSectionHeader(
                     AppLocalizations.of(context)!.pinned,
                     pinned.length,
+                    sectionType: _SectionType.pinned,
                   ),
                 ),
               ),
+              if (showPinned) ...[
                 const SliverToBoxAdapter(child: SizedBox(height: Spacing.xs)),
                 _conversationsSliver(pinned, modelsById: modelsById),
+              ],
               const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
             ],
 
@@ -339,6 +358,7 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
               padding: const EdgeInsets.symmetric(horizontal: Spacing.md),
               sliver: SliverToBoxAdapter(child: _buildFoldersSectionHeader()),
             ),
+            if (showFolders) ...[
               const SliverToBoxAdapter(child: SizedBox(height: Spacing.xs)),
               if (_isDragging && _draggingHasFolder) ...[
                 SliverPadding(
@@ -361,7 +381,8 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
 
                       final out = <Widget>[];
                       for (final folder in folders) {
-                      final existing = grouped[folder.id] ?? const <dynamic>[];
+                        final existing =
+                            grouped[folder.id] ?? const <dynamic>[];
                         final convs = _resolveFolderConversations(
                           folder,
                           existing,
@@ -411,7 +432,9 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                       }
                       return out.isEmpty
                           ? <Widget>[
-                            const SliverToBoxAdapter(child: SizedBox.shrink()),
+                              const SliverToBoxAdapter(
+                                child: SizedBox.shrink(),
+                              ),
                             ]
                           : out;
                     },
@@ -422,6 +445,7 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                       const SliverToBoxAdapter(child: SizedBox.shrink()),
                     ],
                   ),
+            ],
             const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
 
             if (regular.isNotEmpty) ...[
@@ -431,12 +455,15 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                   child: _buildSectionHeader(
                     AppLocalizations.of(context)!.recent,
                     regular.length,
+                    sectionType: _SectionType.recent,
                   ),
                 ),
               ),
+              if (showRecent) ...[
                 const SliverToBoxAdapter(child: SizedBox(height: Spacing.xs)),
                 _conversationsSliver(regular, modelsById: modelsById),
               ],
+            ],
 
             if (archived.isNotEmpty) ...[
               const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
@@ -525,6 +552,10 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
 
         final archived = list.where((c) => c.archived == true).toList();
 
+        final showPinned = ref.watch(_showPinnedProvider);
+        final showFolders = ref.watch(_showFoldersProvider);
+        final showRecent = ref.watch(_showRecentProvider);
+
         final slivers = <Widget>[
           SliverPadding(
             padding: const EdgeInsets.symmetric(horizontal: Spacing.md),
@@ -543,22 +574,33 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                 child: _buildSectionHeader(
                   AppLocalizations.of(context)!.pinned,
                   pinned.length,
+                  sectionType: _SectionType.pinned,
                 ),
               ),
             ),
+          ]);
+          if (showPinned) {
+            slivers.addAll([
               const SliverToBoxAdapter(child: SizedBox(height: Spacing.xs)),
               _conversationsSliver(pinned, modelsById: modelsById),
-            const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
             ]);
           }
+          slivers.add(
+            const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
+          );
+        }
 
-        slivers.addAll([
+        slivers.add(
           SliverPadding(
             padding: const EdgeInsets.symmetric(horizontal: Spacing.md),
             sliver: SliverToBoxAdapter(child: _buildFoldersSectionHeader()),
           ),
+        );
+
+        if (showFolders) {
+          slivers.add(
             const SliverToBoxAdapter(child: SizedBox(height: Spacing.xs)),
-        ]);
+          );
 
           if (_isDragging && _draggingHasFolder) {
             slivers.add(
@@ -639,23 +681,32 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                 ],
               );
           slivers.addAll(folderSlivers);
+        }
+
+        slivers.add(
+          const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
+        );
 
         if (regular.isNotEmpty) {
-          slivers.addAll([
+          slivers.add(
-            const SliverToBoxAdapter(child: SizedBox(height: Spacing.md)),
             SliverPadding(
               padding: const EdgeInsets.symmetric(horizontal: Spacing.md),
               sliver: SliverToBoxAdapter(
                 child: _buildSectionHeader(
                   AppLocalizations.of(context)!.recent,
                   regular.length,
+                  sectionType: _SectionType.recent,
                 ),
               ),
             ),
+          );
+          if (showRecent) {
+            slivers.addAll([
               const SliverToBoxAdapter(child: SizedBox(height: Spacing.xs)),
               _conversationsSliver(regular, modelsById: modelsById),
             ]);
           }
+        }
 
         if (archived.isNotEmpty) {
           slivers.addAll([
@@ -693,10 +744,41 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
     );
   }
 
-  Widget _buildSectionHeader(String title, int count) {
+  Widget _buildSectionHeader(
+    String title,
+    int count, {
+    _SectionType? sectionType,
+  }) {
     final sidebarTheme = context.sidebarTheme;
-    return Row(
+
+    // Get the collapsed state for the section type
+    bool isExpanded = true;
+    VoidCallback? onToggle;
+
+    if (sectionType == _SectionType.pinned) {
+      isExpanded = ref.watch(_showPinnedProvider);
+      onToggle = () => ref.read(_showPinnedProvider.notifier).toggle();
+    } else if (sectionType == _SectionType.recent) {
+      isExpanded = ref.watch(_showRecentProvider);
+      onToggle = () => ref.read(_showRecentProvider.notifier).toggle();
+    }
+
+    final headerContent = Row(
       children: [
+        if (onToggle != null) ...[
+          Icon(
+            isExpanded
+                ? (Platform.isIOS
+                      ? CupertinoIcons.chevron_down
+                      : Icons.expand_more)
+                : (Platform.isIOS
+                      ? CupertinoIcons.chevron_right
+                      : Icons.chevron_right),
+            color: sidebarTheme.foreground.withValues(alpha: 0.6),
+            size: IconSize.sm,
+          ),
+          const SizedBox(width: Spacing.xxs),
+        ],
         Text(
           title,
           style: AppTypography.labelStyle.copyWith(
@@ -726,13 +808,49 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
         ),
       ],
     );
+
+    if (onToggle == null) {
+      return headerContent;
+    }
+
+    return InkWell(
+      onTap: onToggle,
+      borderRadius: BorderRadius.circular(AppBorderRadius.xs),
+      child: Padding(
+        padding: const EdgeInsets.symmetric(vertical: Spacing.xxs),
+        child: headerContent,
+      ),
+    );
   }
 
   /// Header for the Folders section with a create button on the right
   Widget _buildFoldersSectionHeader() {
     final theme = context.conduitTheme;
+    final sidebarTheme = context.sidebarTheme;
+    final isExpanded = ref.watch(_showFoldersProvider);
+
     return Row(
       children: [
+        InkWell(
+          onTap: () => ref.read(_showFoldersProvider.notifier).toggle(),
+          borderRadius: BorderRadius.circular(AppBorderRadius.xs),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(vertical: Spacing.xxs),
+            child: Row(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Icon(
+                  isExpanded
+                      ? (Platform.isIOS
+                            ? CupertinoIcons.chevron_down
+                            : Icons.expand_more)
+                      : (Platform.isIOS
+                            ? CupertinoIcons.chevron_right
+                            : Icons.chevron_right),
+                  color: sidebarTheme.foreground.withValues(alpha: 0.6),
+                  size: IconSize.sm,
+                ),
+                const SizedBox(width: Spacing.xxs),
                 Text(
                   AppLocalizations.of(context)!.folders,
                   style: AppTypography.labelStyle.copyWith(
@@ -740,6 +858,10 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
                     decoration: TextDecoration.none,
                   ),
                 ),
+              ],
+            ),
+          ),
+        ),
         const Spacer(),
         IconButton(
           visualDensity: VisualDensity.compact,
@@ -1580,6 +1702,51 @@ class _ShowArchivedNotifier extends Notifier<bool> {
   void set(bool value) => state = value;
 }
 
+class _ShowPinnedNotifier extends Notifier<bool> {
+  Box<dynamic> get _box => Hive.box<dynamic>(HiveBoxNames.preferences);
+
+  @override
+  bool build() {
+    return _box.get(PreferenceKeys.drawerShowPinned, defaultValue: true)
+        as bool;
+  }
+
+  void toggle() {
+    state = !state;
+    _box.put(PreferenceKeys.drawerShowPinned, state);
+  }
+}
+
+class _ShowFoldersNotifier extends Notifier<bool> {
+  Box<dynamic> get _box => Hive.box<dynamic>(HiveBoxNames.preferences);
+
+  @override
+  bool build() {
+    return _box.get(PreferenceKeys.drawerShowFolders, defaultValue: true)
+        as bool;
+  }
+
+  void toggle() {
+    state = !state;
+    _box.put(PreferenceKeys.drawerShowFolders, state);
+  }
+}
+
+class _ShowRecentNotifier extends Notifier<bool> {
+  Box<dynamic> get _box => Hive.box<dynamic>(HiveBoxNames.preferences);
+
+  @override
+  bool build() {
+    return _box.get(PreferenceKeys.drawerShowRecent, defaultValue: true)
+        as bool;
+  }
+
+  void toggle() {
+    state = !state;
+    _box.put(PreferenceKeys.drawerShowRecent, state);
+  }
+}
+
 class _ExpandedFoldersNotifier extends Notifier<Map<String, bool>> {
   @override
   Map<String, bool> build() => {};

lib/shared/theme/tweakcn_themes.dart

@@ -210,7 +210,7 @@ class TweakcnThemes {
     border: const Color(0xFF282828),
     input: const Color(0xFF343434),
     ring: const Color(0xFF737373),
-    sidebarBackground: const Color(0xFF171717),
+    sidebarBackground: const Color(0xFF0A0A0A),
     sidebarForeground: const Color(0xFFFAFAFA),
     sidebarPrimary: const Color(0xFF1447E6),
     sidebarPrimaryForeground: const Color(0xFFFAFAFA),