fix: create task panel mobile UI (#1488)

ui/flutter/lib/features/tasks/presentation/widgets/resolve_file_tree.dart

@@ -61,6 +61,8 @@ class _ResolveFileTreeState extends State<ResolveFileTree> {
           child: FileTreeView<int>(
             items: _treeItems,
             keyPrefix: 'resolve-tree',
+            rowHeight: _resolveTreeRowHeight,
+            contentTextStyle: _resolveFileNameStyle,
             headerLeading: ExcludeFocus(
               child: Checkbox(
                 state: allSelected
@@ -336,3 +338,5 @@ extension on _FileTypeFilter {
 const _videoExts = <String>{'mp4', 'mkv', 'avi', 'mov', 'wmv', 'flv', 'webm', 'm4v'};
 const _audioExts = <String>{'mp3', 'flac', 'wav', 'aac', 'm4a', 'ogg', 'ape'};
 const _imageExts = <String>{'jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'svg'};
+const _resolveTreeRowHeight = 36.0;
+const _resolveFileNameStyle = TextStyle(fontSize: 14, height: 1.25);

ui/flutter/lib/features/tasks/presentation/widgets/resolve_task_actions.dart

@@ -0,0 +1,50 @@
+import 'package:shadcn_flutter/shadcn_flutter.dart';
+import 'package:flutter/widgets.dart' as flutter;
+
+import '../../../../l10n/l10n.dart';
+import '../../../../shared/theme/app_design_tokens.dart';
+import '../../../../shared/widgets/app_loading_button.dart';
+
+class ResolveTaskActions extends StatelessWidget {
+  const ResolveTaskActions({super.key, required this.submitting, required this.onCancel, required this.onCreate});
+
+  final bool submitting;
+  final VoidCallback onCancel;
+  final VoidCallback onCreate;
+
+  @override
+  Widget build(BuildContext context) {
+    // Size both actions from the wider translated label, including while the
+    // create button replaces its label with a loader.
+    return IntrinsicWidth(
+      child: flutter.Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          flutter.Expanded(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(minWidth: AppDesignTokens.dialogActionMinWidth),
+              child: SecondaryButton(
+                key: const ValueKey('resolve-cancel-button'),
+                onPressed: submitting ? null : onCancel,
+                child: Text(context.l10n.cancel, maxLines: 1, softWrap: false),
+              ),
+            ),
+          ),
+          const SizedBox(width: AppDesignTokens.space8),
+          flutter.Expanded(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(minWidth: AppDesignTokens.dialogActionMinWidth),
+              child: AppLoadingButton(
+                key: const ValueKey('resolve-create-button'),
+                onPressed: onCreate,
+                loading: submitting,
+                variant: AppLoadingButtonVariant.primary,
+                child: Text(context.l10n.createAction, maxLines: 1, softWrap: false),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}