Merge latest PR #1510 into 2.0.0-beta.2

# Conflicts:
#	ui/flutter/lib/features/extensions/presentation/pages/extensions_page.dart
#	ui/flutter/test/widget_test.dart

ui/flutter/lib/features/extensions/presentation/pages/extensions_page.dart

@@ -26,6 +26,7 @@ import '../../application/pending_extension_install.dart';
 import '../widgets/extension_detail_view.dart';
 import '../widgets/extension_icon.dart';
 import '../widgets/extension_setting_field.dart';
+import '../widgets/extension_update_dialog.dart';
 
 const _extensionCardMinWidth = 296.0;
 const _extensionGridSpacing = 10.0;
@@ -211,7 +212,9 @@ class _ExtensionsPageState extends ConsumerState<ExtensionsPage> {
   }
 
   void _openInstallPopover(BuildContext anchorContext) {
-    ref.read(extensionsControllerProvider.notifier).tryOpenDevMode();
+    if (AppWindowChrome.isDesktopWindow) {
+      ref.read(extensionsControllerProvider.notifier).tryOpenDevMode();
+    }
     _installDevMode = false;
     _showInstallPopover(anchorContext);
   }
@@ -225,6 +228,9 @@ class _ExtensionsPageState extends ConsumerState<ExtensionsPage> {
       offset: const Offset(0, 8),
       modal: false,
       consumeOutsideTaps: false,
+      // Flutter's native selection toolbar uses the EditableText tap group.
+      // Pasting from it must not dismiss the form and restore search focus.
+      regionGroupId: EditableText,
       builder: (context) => _InstallPopover(
         key: _installPopoverKey,
         controller: _installController,
@@ -667,7 +673,6 @@ class _Toolbar extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final palette = AppPalette.of(context);
-    final manualInstallBusy = state.busyExtensionIds.contains(ExtensionsController.manualInstallBusyKey);
     final search = AppTextField(
       key: const ValueKey('extension-search-input'),
       controller: searchController,
@@ -709,12 +714,11 @@ class _Toolbar extends StatelessWidget {
           onPressed: onDevelopExtension,
         ),
         const SizedBox(width: 8),
-        if (state.devMode) ...[
+        if (AppWindowChrome.isDesktopWindow && state.devMode) ...[
           _OutlineToolbarIconButton(
             key: const ValueKey('load-local-extension-button'),
             tooltip: context.l10n.extensionLoadLocal,
             icon: Icons.folder_open_outlined,
-            loading: manualInstallBusy,
             onPressed: onInstallFolder,
           ),
           const SizedBox(width: 8),
@@ -725,7 +729,6 @@ class _Toolbar extends StatelessWidget {
             key: const ValueKey('install-extension-button'),
             tooltip: context.l10n.extensionInstallFromUrl,
             icon: Icons.add_link,
-            loading: manualInstallBusy,
             onPressed: () => onOpenInstall(buttonContext),
           ),
         ),
@@ -801,18 +804,11 @@ class _FilterBar extends StatelessWidget {
 }
 
 class _OutlineToolbarIconButton extends StatelessWidget {
-  const _OutlineToolbarIconButton({
-    super.key,
-    required this.tooltip,
-    required this.icon,
-    required this.onPressed,
-    this.loading = false,
-  });
+  const _OutlineToolbarIconButton({super.key, required this.tooltip, required this.icon, required this.onPressed});
 
   final String tooltip;
   final IconData icon;
   final VoidCallback? onPressed;
-  final bool loading;
 
   @override
   Widget build(BuildContext context) {
@@ -820,13 +816,7 @@ class _OutlineToolbarIconButton extends StatelessWidget {
       message: tooltip,
       child: SizedBox.square(
         dimension: 32,
-        child: shad.IconButton.outline(
-          size: shad.ButtonSize.xSmall,
-          onPressed: loading ? null : onPressed,
-          icon: loading
-              ? const SizedBox.square(dimension: 13, child: shad.CircularProgressIndicator())
-              : Icon(icon, size: 17),
-        ),
+        child: shad.IconButton.outline(size: shad.ButtonSize.xSmall, onPressed: onPressed, icon: Icon(icon, size: 17)),
       ),
     );
   }
@@ -1073,11 +1063,8 @@ class _ExtensionCard extends ConsumerWidget {
                   if (canUpdate && installed != null)
                     shad.GhostButton(
                       density: shad.ButtonDensity.icon,
-                      onPressed: busy
-                          ? null
-                          : () => onAction(
-                              () => ref.read(extensionsControllerProvider.notifier).upgradeExtension(installed),
-                            ),
+                      key: ValueKey('update-extension-${installed.identity}'),
+                      onPressed: busy ? null : () => showExtensionUpdateDialog(context, installed),
                       child: const Icon(Icons.refresh),
                     ),
                   if (installed == null && item.store != null)

ui/flutter/lib/features/extensions/presentation/widgets/extension_detail_view.dart

@@ -20,6 +20,7 @@ import '../../../../shared/widgets/detail/app_detail_surface.dart';
 import '../../../../util/util.dart';
 import '../../application/extensions_controller.dart';
 import 'extension_icon.dart';
+import 'extension_update_dialog.dart';
 
 class ExtensionDetailDrawer extends StatelessWidget {
   const ExtensionDetailDrawer({super.key, required this.item, required this.onClose});
@@ -132,14 +133,10 @@ class ExtensionDetailView extends ConsumerWidget {
             if (installed != null && canUpdate)
               AppLoadingButton(
                 key: const ValueKey('extension-details-update'),
-                loading: busy,
+                loading: false,
                 variant: AppLoadingButtonVariant.primary,
                 icon: const Icon(Icons.refresh, size: 16),
-                onPressed: () => _runAction(
-                  context,
-                  () => ref.read(extensionsControllerProvider.notifier).upgradeExtension(installed),
-                  successMessage: context.l10n.extensionUpdateSuccess,
-                ),
+                onPressed: busy ? null : () => showExtensionUpdateDialog(context, installed),
                 child: Text(context.l10n.newVersionUpdate),
               ),
             if (installed != null && !canUpdate)

ui/flutter/lib/features/extensions/presentation/widgets/extension_update_dialog.dart

@@ -0,0 +1,90 @@
+import 'package:shadcn_flutter/shadcn_flutter.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../../../api/model/extension.dart' as api;
+import '../../../../l10n/l10n.dart';
+import '../../../../shared/widgets/app_loading_button.dart';
+import '../../../../shared/widgets/app_toast.dart';
+import '../../application/extensions_controller.dart';
+
+Future<void> showExtensionUpdateDialog(BuildContext context, api.Extension extension) async {
+  final overlay = const DialogOverlayHandler().show<bool>(
+    context: context,
+    alignment: Alignment.center,
+    barrierDismissable: false,
+    builder: (_) => _ExtensionUpdateDialog(extension: extension),
+  );
+  final updated = await overlay.future;
+  if (updated == true && context.mounted) {
+    showAppToast(context, context.l10n.extensionUpdateSuccess);
+  }
+}
+
+class _ExtensionUpdateDialog extends ConsumerStatefulWidget {
+  const _ExtensionUpdateDialog({required this.extension});
+
+  final api.Extension extension;
+
+  @override
+  ConsumerState<_ExtensionUpdateDialog> createState() => _ExtensionUpdateDialogState();
+}
+
+class _ExtensionUpdateDialogState extends ConsumerState<_ExtensionUpdateDialog> {
+  bool _updating = false;
+  bool _failed = false;
+
+  Future<void> _update() async {
+    if (_updating) return;
+    setState(() {
+      _updating = true;
+      _failed = false;
+    });
+    try {
+      await ref.read(extensionsControllerProvider.notifier).upgradeExtension(widget.extension);
+    } catch (_) {
+      if (!mounted) return;
+      setState(() {
+        _updating = false;
+        _failed = true;
+      });
+      return;
+    }
+    if (mounted) await closeOverlay(context, true);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return PopScope(
+      canPop: !_updating,
+      child: AlertDialog(
+        key: const ValueKey('extension-update-dialog'),
+        title: Text(context.l10n.extensionCanUpdate),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(context.l10n.extensionUpdateConfirm(widget.extension.title)),
+            if (_failed) ...[
+              const SizedBox(height: 12),
+              Text(context.l10n.updateFailed, key: const ValueKey('extension-update-error')),
+            ],
+          ],
+        ),
+        actions: [
+          SecondaryButton(
+            key: const ValueKey('cancel-update-extension-button'),
+            onPressed: _updating ? null : () => closeOverlay(context, false),
+            child: Text(context.l10n.cancel),
+          ),
+          AppLoadingButton(
+            key: const ValueKey('confirm-update-extension-button'),
+            variant: AppLoadingButtonVariant.primary,
+            loading: _updating,
+            onPressed: _update,
+            child: Text(context.l10n.newVersionUpdate),
+          ),
+        ],
+      ),
+    );
+  }
+}

ui/flutter/lib/features/tasks/domain/task_record.dart

@@ -133,7 +133,7 @@ class TaskRecord {
       status: status,
       downloaded: _formatBytes(downloadedBytes),
       total: totalBytes > 0 ? _formatBytes(totalBytes) : null,
-      speed: task.progress.speed > 0 ? TransferRateFormatter.format(task.progress.speed).text : null,
+      speed: totalBytes > 0 || task.progress.speed > 0 ? TransferRateFormatter.format(task.progress.speed).text : null,
       uploadSpeed: task.uploading ? TransferRateFormatter.format(task.progress.uploadSpeed).text : null,
       remainingSeconds: _remainingSeconds(task, totalBytes, downloadedBytes),
       downloadDuration: task.progress.used > 0 ? Duration(microseconds: (task.progress.used + 999) ~/ 1000) : null,

ui/flutter/lib/features/tasks/presentation/pages/create_task_window_page.dart

@@ -37,6 +37,7 @@ import '../../../../shared/widgets/app_toast.dart';
 import '../../../../l10n/l10n.dart';
 import '../../../../util/util.dart';
 import '../../application/pending_create_task.dart';
+import '../../application/task_list_navigation.dart';
 import '../widgets/history_search_field.dart';
 import '../widgets/create_task_action_buttons.dart';
 import '../widgets/resolve_file_tree.dart';
@@ -736,6 +737,8 @@ class _CreateTaskWindowPageState extends ConsumerState<CreateTaskWindowPage> {
       } catch (error) {
         debugPrint('Unable to select downloading tasks: $error');
       }
+    } else {
+      ref.read(taskListNavigationProvider.notifier).showDownloading();
     }
     await _closeWindow();
   }

ui/flutter/lib/features/tasks/presentation/widgets/task_card/task_card_desktop.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart' show Colors, Icons;
 import 'package:flutter/widgets.dart';
 import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
 
+import '../../../../../core/window/app_window_chrome.dart';
 import '../../../../../shared/theme/app_design_tokens.dart';
 import '../../../../../shared/theme/app_palette.dart';
 import '../../../domain/task_record.dart';
@@ -237,7 +238,10 @@ class _ProgressContent extends StatelessWidget {
       TaskStatus.downloading => [(Icons.pause, onPause), (Icons.close, onDelete)],
       TaskStatus.paused => [(Icons.play_arrow, onResume), (Icons.close, onDelete)],
       TaskStatus.failed => [(Icons.refresh, onResume), (Icons.delete_outline, onDelete)],
-      TaskStatus.completed => [(Icons.folder_open_outlined, null), (Icons.delete_outline, onDelete)],
+      TaskStatus.completed => [
+        if (AppWindowChrome.isDesktopWindow) (Icons.folder_open_outlined, null),
+        (Icons.delete_outline, onDelete),
+      ],
     };
 
     return actions
@@ -306,7 +310,10 @@ class _CompletedContent extends StatelessWidget {
       TaskStatus.downloading => [(Icons.pause, null), (Icons.close, onDelete)],
       TaskStatus.paused => [(Icons.play_arrow, null), (Icons.close, onDelete)],
       TaskStatus.failed => [(Icons.refresh, null), (Icons.delete_outline, onDelete)],
-      TaskStatus.completed => [(Icons.folder_open_outlined, onReveal), (Icons.delete_outline, onDelete)],
+      TaskStatus.completed => [
+        if (AppWindowChrome.isDesktopWindow) (Icons.folder_open_outlined, onReveal),
+        (Icons.delete_outline, onDelete),
+      ],
     };
 
     return actions

ui/flutter/lib/features/tasks/presentation/widgets/task_card/task_card_mobile.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart' show Colors, Icons;
 import 'package:flutter/widgets.dart';
 import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
 
+import '../../../../../core/window/app_window_chrome.dart';
 import '../../../../../shared/theme/app_design_tokens.dart';
 import '../../../../../shared/theme/app_palette.dart';
 import '../../../domain/task_record.dart';
@@ -171,7 +172,10 @@ class _TaskCardMobileState extends State<TaskCardMobile> {
       TaskStatus.downloading => [(Icons.pause, widget.onPause), (Icons.close, widget.onDelete)],
       TaskStatus.paused => [(Icons.play_arrow, widget.onResume), (Icons.close, widget.onDelete)],
       TaskStatus.failed => [(Icons.refresh, widget.onResume), (Icons.delete_outline, widget.onDelete)],
-      TaskStatus.completed => [(Icons.folder_open_outlined, widget.onReveal), (Icons.delete_outline, widget.onDelete)],
+      TaskStatus.completed => [
+        if (AppWindowChrome.isDesktopWindow) (Icons.folder_open_outlined, widget.onReveal),
+        (Icons.delete_outline, widget.onDelete),
+      ],
     };
 
     return actions

ui/flutter/lib/features/tasks/presentation/widgets/task_card/task_card_parts.dart

@@ -106,7 +106,7 @@ class TaskCardFooter extends StatelessWidget {
             ),
           ),
           const SizedBox(width: 12),
-          if (task.speed != null && !isError) ...[
+          if (task.speed != null) ...[
             _TaskTransferSpeed(icon: Icons.south, value: task.speed!, color: metaColor),
             const SizedBox(width: 8),
             TickDivider(color: palette.progressTrack),