improved bookmark management

app/lib/features/geckoview/features/bookmarks/domain/entities/bookmark_list_ui_state.dart

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:fast_equatable/fast_equatable.dart';
+import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_sort_type.dart';
+
+part 'bookmark_list_ui_state.g.dart';
+
+@CopyWith()
+class BookmarkListUiState with FastEquatable {
+  final bool selectionMode;
+  final Set<String> selectedGuids;
+  final BookmarkSortType sortType;
+  final bool foldersOnly;
+
+  BookmarkListUiState({
+    this.selectionMode = false,
+    this.selectedGuids = const {},
+    this.sortType = BookmarkSortType.manual,
+    this.foldersOnly = false,
+  });
+
+  @override
+  List<Object?> get hashParameters => [
+    selectionMode,
+    selectedGuids,
+    sortType,
+    foldersOnly,
+  ];
+}

app/lib/features/geckoview/features/bookmarks/domain/entities/bookmark_list_ui_state.g.dart

@@ -0,0 +1,100 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'bookmark_list_ui_state.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$BookmarkListUiStateCWProxy {
+  BookmarkListUiState selectionMode(bool selectionMode);
+
+  BookmarkListUiState selectedGuids(Set<String> selectedGuids);
+
+  BookmarkListUiState sortType(BookmarkSortType sortType);
+
+  BookmarkListUiState foldersOnly(bool foldersOnly);
+
+  /// Creates a new instance with the provided field values.
+  /// Passing `null` to a nullable field nullifies it, while `null` for a non-nullable field is ignored. To update a single field use `BookmarkListUiState(...).copyWith.fieldName(value)`.
+  ///
+  /// Example:
+  /// ```dart
+  /// BookmarkListUiState(...).copyWith(id: 12, name: "My name")
+  /// ```
+  BookmarkListUiState call({
+    bool selectionMode,
+    Set<String> selectedGuids,
+    BookmarkSortType sortType,
+    bool foldersOnly,
+  });
+}
+
+/// Callable proxy for `copyWith` functionality.
+/// Use as `instanceOfBookmarkListUiState.copyWith(...)` or call `instanceOfBookmarkListUiState.copyWith.fieldName(value)` for a single field.
+class _$BookmarkListUiStateCWProxyImpl implements _$BookmarkListUiStateCWProxy {
+  const _$BookmarkListUiStateCWProxyImpl(this._value);
+
+  final BookmarkListUiState _value;
+
+  @override
+  BookmarkListUiState selectionMode(bool selectionMode) =>
+      call(selectionMode: selectionMode);
+
+  @override
+  BookmarkListUiState selectedGuids(Set<String> selectedGuids) =>
+      call(selectedGuids: selectedGuids);
+
+  @override
+  BookmarkListUiState sortType(BookmarkSortType sortType) =>
+      call(sortType: sortType);
+
+  @override
+  BookmarkListUiState foldersOnly(bool foldersOnly) =>
+      call(foldersOnly: foldersOnly);
+
+  @override
+  /// Creates a new instance with the provided field values.
+  /// Passing `null` to a nullable field nullifies it, while `null` for a non-nullable field is ignored. To update a single field use `BookmarkListUiState(...).copyWith.fieldName(value)`.
+  ///
+  /// Example:
+  /// ```dart
+  /// BookmarkListUiState(...).copyWith(id: 12, name: "My name")
+  /// ```
+  BookmarkListUiState call({
+    Object? selectionMode = const $CopyWithPlaceholder(),
+    Object? selectedGuids = const $CopyWithPlaceholder(),
+    Object? sortType = const $CopyWithPlaceholder(),
+    Object? foldersOnly = const $CopyWithPlaceholder(),
+  }) {
+    return BookmarkListUiState(
+      selectionMode:
+          selectionMode == const $CopyWithPlaceholder() || selectionMode == null
+          ? _value.selectionMode
+          // ignore: cast_nullable_to_non_nullable
+          : selectionMode as bool,
+      selectedGuids:
+          selectedGuids == const $CopyWithPlaceholder() || selectedGuids == null
+          ? _value.selectedGuids
+          // ignore: cast_nullable_to_non_nullable
+          : selectedGuids as Set<String>,
+      sortType: sortType == const $CopyWithPlaceholder() || sortType == null
+          ? _value.sortType
+          // ignore: cast_nullable_to_non_nullable
+          : sortType as BookmarkSortType,
+      foldersOnly:
+          foldersOnly == const $CopyWithPlaceholder() || foldersOnly == null
+          ? _value.foldersOnly
+          // ignore: cast_nullable_to_non_nullable
+          : foldersOnly as bool,
+    );
+  }
+}
+
+extension $BookmarkListUiStateCopyWith on BookmarkListUiState {
+  /// Returns a callable class used to build a new instance with modified fields.
+  /// Example: `instanceOfBookmarkListUiState.copyWith(...)` or `instanceOfBookmarkListUiState.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$BookmarkListUiStateCWProxy get copyWith =>
+      _$BookmarkListUiStateCWProxyImpl(this);
+}

app/lib/features/geckoview/features/bookmarks/domain/entities/bookmark_sort_type.dart

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_item.dart';
+
+enum BookmarkSortType {
+  manual('Default'),
+  titleAsc('Title A-Z'),
+  titleDesc('Title Z-A'),
+  urlAsc('URL A-Z'),
+  dateAddedDesc('Newest First');
+
+  final String label;
+
+  const BookmarkSortType(this.label);
+}
+
+int compareBookmarkItems(
+  BookmarkItem a,
+  BookmarkItem b,
+  BookmarkSortType sort,
+) {
+  return switch (sort) {
+    BookmarkSortType.manual => 0,
+    BookmarkSortType.titleAsc => a.title.toLowerCase().compareTo(
+      b.title.toLowerCase(),
+    ),
+    BookmarkSortType.titleDesc => b.title.toLowerCase().compareTo(
+      a.title.toLowerCase(),
+    ),
+    BookmarkSortType.urlAsc => _compareByUrl(a, b),
+    BookmarkSortType.dateAddedDesc => b.dateAdded.compareTo(a.dateAdded),
+  };
+}
+
+int _compareByUrl(BookmarkItem a, BookmarkItem b) {
+  final aUrl = a is BookmarkEntry ? a.url.toString() : a.title.toLowerCase();
+  final bUrl = b is BookmarkEntry ? b.url.toString() : b.title.toLowerCase();
+  return aUrl.compareTo(bUrl);
+}

app/lib/features/geckoview/features/bookmarks/domain/providers/bookmark_list_ui_state.dart

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_list_ui_state.dart';
+import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_sort_type.dart';
+
+part 'bookmark_list_ui_state.g.dart';
+
+@Riverpod()
+class BookmarkListUiStateNotifier extends _$BookmarkListUiStateNotifier {
+  @override
+  BookmarkListUiState build() => BookmarkListUiState();
+
+  void enterSelectionMode({String? initialGuid}) {
+    state = state.copyWith(
+      selectionMode: true,
+      selectedGuids: initialGuid != null ? {initialGuid} : {},
+    );
+  }
+
+  void exitSelectionMode() {
+    state = state.copyWith(selectionMode: false, selectedGuids: {});
+  }
+
+  void toggleSelection(String guid) {
+    final updated = Set<String>.from(state.selectedGuids);
+    if (updated.contains(guid)) {
+      updated.remove(guid);
+    } else {
+      updated.add(guid);
+    }
+    if (updated.isEmpty) {
+      exitSelectionMode();
+    } else {
+      state = state.copyWith(selectedGuids: updated);
+    }
+  }
+
+  void selectAll(Iterable<String> guids) {
+    state = state.copyWith(
+      selectionMode: true,
+      selectedGuids: Set<String>.from(guids),
+    );
+  }
+
+  void clearSelection() {
+    exitSelectionMode();
+  }
+
+  void setSortType(BookmarkSortType sortType) {
+    state = state.copyWith(sortType: sortType);
+  }
+
+  void toggleFoldersOnly() {
+    state = state.copyWith(foldersOnly: !state.foldersOnly);
+  }
+}

app/lib/features/geckoview/features/bookmarks/domain/providers/bookmark_list_ui_state.g.dart

@@ -0,0 +1,65 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'bookmark_list_ui_state.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(BookmarkListUiStateNotifier)
+final bookmarkListUiStateProvider = BookmarkListUiStateNotifierProvider._();
+
+final class BookmarkListUiStateNotifierProvider
+    extends
+        $NotifierProvider<BookmarkListUiStateNotifier, BookmarkListUiState> {
+  BookmarkListUiStateNotifierProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'bookmarkListUiStateProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$bookmarkListUiStateNotifierHash();
+
+  @$internal
+  @override
+  BookmarkListUiStateNotifier create() => BookmarkListUiStateNotifier();
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(BookmarkListUiState value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<BookmarkListUiState>(value),
+    );
+  }
+}
+
+String _$bookmarkListUiStateNotifierHash() =>
+    r'7c764fc2f1deb178063ca95764775ca237471f9f';
+
+abstract class _$BookmarkListUiStateNotifier
+    extends $Notifier<BookmarkListUiState> {
+  BookmarkListUiState build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final ref = this.ref as $Ref<BookmarkListUiState, BookmarkListUiState>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<BookmarkListUiState, BookmarkListUiState>,
+              BookmarkListUiState,
+              Object?,
+              Object?
+            >;
+    element.handleCreate(ref, build);
+  }
+}

app/lib/features/geckoview/features/bookmarks/domain/repositories/bookmarks.dart

@@ -20,6 +20,7 @@
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
 import 'package:nullability/nullability.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/core/logger.dart';
 import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_item.dart';
 import 'package:weblibre/features/geckoview/features/bookmarks/utils/bookmark_html_utils.dart';
 import 'package:weblibre/features/geckoview/features/bookmarks/utils/bookmark_json_utils.dart';
@@ -36,16 +37,18 @@ class BookmarksRepository extends _$BookmarksRepository {
     required String parentGuid,
     required Uri url,
     required String title,
+    int? position,
   }) async {
-    await _service.addItem(parentGuid, url, title, null);
+    await _service.addItem(parentGuid, url, title, position);
     ref.invalidateSelf();
   }
 
   Future<void> addFolder({
     required String parentGuid,
     required String title,
+    int? position,
   }) async {
-    await _service.addFolder(parentGuid, title, null);
+    await _service.addFolder(parentGuid, title, position);
     ref.invalidateSelf();
   }
 
@@ -54,10 +57,16 @@ class BookmarksRepository extends _$BookmarksRepository {
     String? title,
     Uri? url,
     String? parentGuid,
+    int? position,
   }) async {
     await _service.updateNode(
       guid,
-      BookmarkInfo(title: title, url: url?.toString(), parentGuid: parentGuid),
+      BookmarkInfo(
+        title: title,
+        url: url?.toString(),
+        parentGuid: parentGuid,
+        position: position,
+      ),
     );
     ref.invalidateSelf();
   }
@@ -66,10 +75,11 @@ class BookmarksRepository extends _$BookmarksRepository {
     required String guid,
     String? title,
     String? parentGuid,
+    int? position,
   }) async {
     await _service.updateNode(
       guid,
-      BookmarkInfo(title: title, parentGuid: parentGuid),
+      BookmarkInfo(title: title, parentGuid: parentGuid, position: position),
     );
     ref.invalidateSelf();
   }
@@ -79,6 +89,78 @@ class BookmarksRepository extends _$BookmarksRepository {
     ref.invalidateSelf();
   }
 
+  Future<void> moveMany({
+    required Iterable<BookmarkItem> items,
+    required String targetParentGuid,
+  }) async {
+    for (final item in items) {
+      if (bookmarkRootIds.contains(item.guid)) {
+        logger.w('Skipping move of root folder: ${item.guid}');
+        continue;
+      }
+      if (item.parentGuid == targetParentGuid) continue;
+      await _service.updateNode(
+        item.guid,
+        BookmarkInfo(parentGuid: targetParentGuid),
+      );
+    }
+    ref.invalidateSelf();
+  }
+
+  Future<void> deleteMany(Iterable<String> guids) async {
+    for (final guid in guids) {
+      if (bookmarkRootIds.contains(guid)) {
+        logger.w('Skipping delete of root folder: $guid');
+        continue;
+      }
+      await _service.deleteNode(guid);
+    }
+    ref.invalidateSelf();
+  }
+
+  Future<void> flattenFolder({required BookmarkFolder folder}) async {
+    if (folder.parentGuid == null || bookmarkRootIds.contains(folder.guid)) {
+      logger.w('Cannot flatten root or parentless folder: ${folder.guid}');
+      return;
+    }
+    // Fetch the full folder tree from storage to avoid operating on a
+    // filtered subset (e.g. when search is active), which would silently
+    // delete children that were not moved.
+    final fullNode = await _service.getTree(folder.guid);
+    final children = fullNode?.children;
+    if (children != null) {
+      for (final child in children) {
+        await _service.updateNode(
+          child.guid,
+          BookmarkInfo(parentGuid: folder.parentGuid),
+        );
+      }
+    }
+    await _service.deleteNode(folder.guid);
+    ref.invalidateSelf();
+  }
+
+  /// Returns the GUIDs of all descendant folders of [guid] by fetching the
+  /// full subtree from storage. This is safe to call even when the UI tree is
+  /// filtered (e.g. during search), unlike the pure-utility
+  /// [collectDescendantFolderGuids] which only walks the in-memory tree.
+  Future<Set<String>> getDescendantFolderGuids(String guid) async {
+    final node = await _service.getTree(guid, recursive: true);
+    if (node == null) return const {};
+    final result = <String>{};
+    void collect(BookmarkNode n) {
+      for (final child in n.children ?? const <BookmarkNode>[]) {
+        if (child.type == BookmarkNodeType.folder) {
+          result.add(child.guid);
+          collect(child);
+        }
+      }
+    }
+
+    collect(node);
+    return result;
+  }
+
   Future<void> eraseEverything(BookmarkRoot root) async {
     await _service.eraseEverything(root);
     ref.invalidateSelf();

app/lib/features/geckoview/features/bookmarks/domain/repositories/bookmarks.g.dart

@@ -34,7 +34,7 @@ final class BookmarksRepositoryProvider
 }
 
 String _$bookmarksRepositoryHash() =>
-    r'c53414612bf1d1da824e1150ca4eca7bb7c3bec7';
+    r'2169d5b354c4a22192096451c96ab1490cf55ab4';
 
 abstract class _$BookmarksRepository extends $AsyncNotifier<BookmarkItem?> {
   FutureOr<BookmarkItem?> build();

app/lib/features/geckoview/features/bookmarks/domain/utils/bookmark_tree_utils.dart

@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
+import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_item.dart';
+import 'package:weblibre/features/geckoview/features/bookmarks/domain/entities/bookmark_sort_type.dart';
+
+/// Recursively sorts a bookmark tree by the given sort type.
+/// Root-level built-in folders are kept in their canonical order.
+BookmarkItem sortBookmarkTree(
+  BookmarkItem item,
+  BookmarkSortType sortType, {
+  bool isRoot = false,
+}) {
+  if (sortType == BookmarkSortType.manual) return item;
+
+  if (item is BookmarkFolder && item.children != null) {
+    final sortedChildren = item.children!.map((child) {
+      return sortBookmarkTree(child, sortType);
+    }).toList();
+
+    // At root level, keep built-in root folders pinned in original order
+    if (isRoot) {
+      final rootFolders = <BookmarkItem>[];
+      final nonRootItems = <BookmarkItem>[];
+      for (final child in sortedChildren) {
+        if (bookmarkRootIds.contains(child.guid)) {
+          rootFolders.add(child);
+        } else {
+          nonRootItems.add(child);
+        }
+      }
+      nonRootItems.sort((a, b) => compareBookmarkItems(a, b, sortType));
+      return BookmarkFolder(
+        guid: item.guid,
+        parentGuid: item.parentGuid,
+        title: item.title,
+        position: item.position,
+        dateAdded: item.dateAdded,
+        children: [...rootFolders, ...nonRootItems],
+      );
+    }
+
+    sortedChildren.sort((a, b) => compareBookmarkItems(a, b, sortType));
+    return BookmarkFolder(
+      guid: item.guid,
+      parentGuid: item.parentGuid,
+      title: item.title,
+      position: item.position,
+      dateAdded: item.dateAdded,
+      children: sortedChildren,
+    );
+  }
+
+  return item;
+}
+
+/// Collects all descendant folder GUIDs from a folder (not including the folder itself).
+Set<String> collectDescendantFolderGuids(BookmarkFolder folder) {
+  final result = <String>{};
+  if (folder.children != null) {
+    for (final child in folder.children!) {
+      if (child is BookmarkFolder) {
+        result.add(child.guid);
+        result.addAll(collectDescendantFolderGuids(child));
+      }
+    }
+  }
+  return result;
+}
+
+/// Resolves BookmarkItems from a tree by their GUIDs.
+List<BookmarkItem> resolveSelectedItems(BookmarkItem root, Set<String> guids) {
+  final result = <BookmarkItem>[];
+  _collectByGuids(root, guids, result);
+  return result;
+}
+
+void _collectByGuids(
+  BookmarkItem item,
+  Set<String> guids,
+  List<BookmarkItem> result,
+) {
+  if (guids.contains(item.guid)) {
+    result.add(item);
+  }
+  if (item is BookmarkFolder && item.children != null) {
+    for (final child in item.children!) {
+      _collectByGuids(child, guids, result);
+    }
+  }
+}
+
+/// Whether a folder can be flattened (non-root, has a parent, has children).
+bool canFlattenFolder(BookmarkFolder folder) {
+  return folder.parentGuid != null &&
+      !bookmarkRootIds.contains(folder.guid) &&
+      folder.children != null &&
+      folder.children!.isNotEmpty;
+}
+
+/// Normalizes a selection set: removes items that are descendants of selected folders.
+/// This prevents double-applying moves when both a folder and its children are selected.
+Set<String> normalizeSelection(BookmarkItem root, Set<String> selectedGuids) {
+  final items = resolveSelectedItems(root, selectedGuids);
+  final folderGuidsToRemove = <String>{};
+
+  for (final item in items) {
+    if (item is BookmarkFolder) {
+      _collectAllDescendantGuids(item, folderGuidsToRemove);
+    }
+  }
+
+  return selectedGuids.difference(folderGuidsToRemove);
+}
+
+void _collectAllDescendantGuids(BookmarkFolder folder, Set<String> result) {
+  if (folder.children != null) {
+    for (final child in folder.children!) {
+      result.add(child.guid);
+      if (child is BookmarkFolder) {
+        _collectAllDescendantGuids(child, result);
+      }
+    }
+  }
+}

app/lib/features/geckoview/features/bookmarks/presentation/dialogs/select_bookmark_folder_dialog.dart

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
+import 'package:go_router/go_router.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:weblibre/features/geckoview/features/bookmarks/presentation/widgets/folder_tree_picker.dart';
+
+/// Shows a bottom sheet for selecting a bookmark folder destination (for move operations).
+///
+/// Returns the selected folder GUID, or null if cancelled.
+Future<String?> showSelectBookmarkFolderDialog(
+  BuildContext context, {
+  Set<String> excludeFolderGuids = const {},
+  String? initialFolderGuid,
+}) {
+  return showModalBottomSheet<String>(
+    context: context,
+    isScrollControlled: true,
+    builder: (context) => _SelectBookmarkFolderSheet(
+      excludeFolderGuids: excludeFolderGuids,
+      initialFolderGuid: initialFolderGuid,
+    ),
+  );
+}
+
+class _SelectBookmarkFolderSheet extends HookConsumerWidget {
+  final Set<String> excludeFolderGuids;
+  final String? initialFolderGuid;
+
+  const _SelectBookmarkFolderSheet({
+    required this.excludeFolderGuids,
+    this.initialFolderGuid,
+  });
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final selectedGuid = useState(initialFolderGuid ?? BookmarkRoot.mobile.id);
+
+    return SafeArea(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Text(
+              'Move to Folder',
+              style: Theme.of(context).textTheme.titleLarge,
+            ),
+            const SizedBox(height: 16),
+            ConstrainedBox(
+              constraints: BoxConstraints(
+                maxHeight: MediaQuery.of(context).size.height * 0.5,
+              ),
+              child: SingleChildScrollView(
+                child: FolderTreePicker(
+                  selectedFolderGuid: selectedGuid,
+                  excludeFolderGuids: excludeFolderGuids,
+                  entryGuid: BookmarkRoot.root.id,
+                ),
+              ),
+            ),
+            const SizedBox(height: 16),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: [
+                TextButton(
+                  onPressed: () => context.pop(),
+                  child: const Text('Cancel'),
+                ),
+                const SizedBox(width: 8),
+                FilledButton(
+                  onPressed: () => context.pop(selectedGuid.value),
+                  child: const Text('Move'),
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

app/lib/features/geckoview/features/bookmarks/presentation/screens/bookmark_entry_edit.dart

@@ -57,6 +57,8 @@ class BookmarkEntryEditScreen extends HookConsumerWidget {
           BookmarkRoot.mobile.id,
     );
 
+    final addToTop = useState(false);
+
     return Scaffold(
       appBar: AppBar(
         title: (exisitingEntry != null)
@@ -104,6 +106,7 @@ class BookmarkEntryEditScreen extends HookConsumerWidget {
                         parentGuid: parentGuid.value,
                         title: nameTextController.text,
                         url: newUrl,
+                        position: addToTop.value ? 0 : null,
                       );
 
                   if (context.mounted) {
@@ -157,6 +160,15 @@ class BookmarkEntryEditScreen extends HookConsumerWidget {
                   selectedFolderGuid: parentGuid,
                   entryGuid: BookmarkRoot.root.id,
                 ),
+                if (exisitingEntry == null) ...[
+                  const SizedBox(height: 8),
+                  SwitchListTile(
+                    contentPadding: EdgeInsets.zero,
+                    title: const Text('Add to top'),
+                    value: addToTop.value,
+                    onChanged: (value) => addToTop.value = value,
+                  ),
+                ],
                 const SizedBox(height: 16),
                 if (exisitingEntry != null)
                   SizedBox(

app/lib/features/geckoview/features/bookmarks/presentation/screens/bookmark_folder_edit.dart

@@ -47,6 +47,8 @@ class BookmarkFolderEditScreen extends HookConsumerWidget {
       parentGuid ?? folder?.parentGuid ?? BookmarkRoot.mobile.id,
     );
 
+    final addToTop = useState(false);
+
     // Check if this is a bookmark root folder (these cannot be moved)
     final isBookmarkRoot =
         folder != null && bookmarkRootIds.contains(folder!.guid);
@@ -84,6 +86,7 @@ class BookmarkFolderEditScreen extends HookConsumerWidget {
                       .addFolder(
                         parentGuid: currentParentGuid.value,
                         title: nameTextController.text,
+                        position: addToTop.value ? 0 : null,
                       );
 
                   if (context.mounted) {
@@ -114,9 +117,20 @@ class BookmarkFolderEditScreen extends HookConsumerWidget {
               if (!isBookmarkRoot) ...[
                 FolderTreePicker(
                   selectedFolderGuid: currentParentGuid,
-                  excludeFolderGuid: folder?.guid,
+                  excludeFolderGuids: folder != null
+                      ? {folder!.guid}
+                      : const {},
                   entryGuid: BookmarkRoot.root.id,
                 ),
+                if (folder == null) ...[
+                  const SizedBox(height: 8),
+                  SwitchListTile(
+                    contentPadding: EdgeInsets.zero,
+                    title: const Text('Add to top'),
+                    value: addToTop.value,
+                    onChanged: (value) => addToTop.value = value,
+                  ),
+                ],
                 const SizedBox(height: 16),
               ],
               if (folder != null)

app/lib/features/geckoview/features/bookmarks/presentation/widgets/folder_tree_picker.dart

@@ -31,22 +31,22 @@ import 'package:weblibre/presentation/widgets/failure_widget.dart';
 /// A widget that displays a tree view of bookmark folders and allows the user
 /// to select a parent folder.
 ///
-/// When editing a folder, pass [excludeFolderGuid] to prevent selecting the
+/// When editing a folder, pass [excludeFolderGuids] to prevent selecting the
-/// folder itself or its descendants as the parent (which would create a circular reference).
+/// folders or their descendants as the parent (which would create a circular reference).
 class FolderTreePicker extends HookConsumerWidget {
   /// The currently selected folder GUID
   final ValueNotifier<String> selectedFolderGuid;
 
-  /// Optional folder GUID to exclude from the tree (along with its descendants).
+  /// Optional folder GUIDs to exclude from the tree (along with their descendants).
-  /// Used when editing a folder to prevent circular parent relationships.
+  /// Used when editing/moving folders to prevent circular parent relationships.
-  final String? excludeFolderGuid;
+  final Set<String> excludeFolderGuids;
 
   final String entryGuid;
 
   const FolderTreePicker({
     required this.selectedFolderGuid,
     required this.entryGuid,
-    this.excludeFolderGuid,
+    this.excludeFolderGuids = const {},
     super.key,
   });
 
@@ -72,9 +72,9 @@ class FolderTreePicker extends HookConsumerWidget {
 
               if (item.children != null) {
                 for (final child in item.children!) {
-                  // Skip the excluded folder and its descendants
+                  // Skip excluded folders and their descendants
                   if (child is BookmarkFolder &&
-                      child.guid != excludeFolderGuid) {
+                      !excludeFolderGuids.contains(child.guid)) {
                     addChildren(node, child);
                   }
                 }