fix(ui): reuse shared file path picker for script settings (#1496)

ui/flutter/lib/features/settings/presentation/pages/settings_page.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 
-import 'package:file_picker/file_picker.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart' show Divider, Icons, Scrollbar, ScrollbarOrientation;
 import 'package:flutter/widgets.dart';
@@ -1376,12 +1375,7 @@ class _SettingsPageState extends ConsumerState<SettingsPage> {
       title: index == null ? context.l10n.addScript : context.l10n.editScript,
       fieldLabel: context.l10n.scriptPath,
       initialValue: index == null ? '' : paths[index],
-      pickPath: Util.isDesktop()
-          ? () async {
-              final file = await FilePicker.pickFile();
-              return file?.path;
-            }
-          : null,
+      pickFile: true,
     );
     if (value == null || !mounted) return;
     _mutateConfig((config) {

ui/flutter/lib/features/settings/presentation/widgets/settings_list_editor.dart

@@ -122,7 +122,7 @@ Future<String?> showTextSettingDialog(
   required String fieldLabel,
   String initialValue = '',
   bool requireHttpUrl = false,
-  Future<String?> Function()? pickPath,
+  bool pickFile = false,
   Future<void> Function(String value)? onTest,
 }) async {
   final controller = TextEditingController(text: initialValue);
@@ -189,16 +189,12 @@ Future<String?> showTextSettingDialog(
               children: [
                 Text(fieldLabel, style: TextStyle(color: palette.textSecondary, fontSize: 12)),
                 const SizedBox(height: 6),
-                if (pickPath == null)
+                if (!pickFile)
                   AppTextField(controller: controller)
                 else
-                  AppPathPickerField(
+                  AppPathPickerField.file(
                     controller: controller,
                     desktopWidth: AppDesignTokens.settingsFormControlWidth,
-                    onPick: () async {
-                      final path = await pickPath();
-                      if (path != null && path.isNotEmpty) controller.text = path;
-                    },
                   ),
                 if (validationMessage != null || testMessage != null) ...[
                   const SizedBox(height: 8),

ui/flutter/lib/main.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:app_links/app_links.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_foreground_task/flutter_foreground_task.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
@@ -17,6 +18,11 @@ import 'util/util.dart';
 
 Future<void> main(List<String> args) async {
   WidgetsFlutterBinding.ensureInitialized();
+  if (Util.isMacos()) {
+    // Gopeed is not sandboxed. Configure each engine before the main/child
+    // window split so native file and directory dialogs work in both windows.
+    await FilePicker.skipEntitlementsChecks();
+  }
   if (Util.isAndroid()) {
     FlutterForegroundTask.initCommunicationPort();
   }

ui/flutter/lib/shared/widgets/app_path_picker_field.dart

@@ -1,8 +1,10 @@
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart' show Icons;
 import 'package:flutter/widgets.dart';
 import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
 
 import '../../core/utils/breakpoints.dart';
+import '../../util/util.dart';
 import '../services/download_directory_picker.dart';
 import 'app_text_field.dart';
 import 'app_tooltip.dart';
@@ -24,7 +26,28 @@ class AppPathPickerField extends StatefulWidget {
     this.padding,
     this.onChanged,
     this.pickerButtonStyle = AppPathPickerButtonStyle.ghost,
-  }) : platformDownloadDirectory = false,
+  }) : platformFile = false,
+       platformDownloadDirectory = false,
+       onDirectoryPicked = null,
+       allowAndroidEditing = false;
+
+  /// Selects a native desktop file path; Web and mobile accept manual paths only.
+  const AppPathPickerField.file({
+    super.key,
+    required this.controller,
+    this.fieldKey,
+    this.pickerKey,
+    this.hintText,
+    this.desktopWidth,
+    this.filled,
+    this.border,
+    this.borderRadius,
+    this.padding,
+    this.onChanged,
+    this.pickerButtonStyle = AppPathPickerButtonStyle.outline,
+  }) : onPick = null,
+       platformFile = true,
+       platformDownloadDirectory = false,
        onDirectoryPicked = null,
        allowAndroidEditing = false;
 
@@ -44,6 +67,7 @@ class AppPathPickerField extends StatefulWidget {
     this.onChanged,
     this.pickerButtonStyle = AppPathPickerButtonStyle.outline,
   }) : onPick = null,
+       platformFile = false,
        platformDownloadDirectory = true;
 
   final TextEditingController controller;
@@ -58,6 +82,7 @@ class AppPathPickerField extends StatefulWidget {
   final EdgeInsetsGeometry? padding;
   final ValueChanged<String>? onChanged;
   final AppPathPickerButtonStyle pickerButtonStyle;
+  final bool platformFile;
   final bool platformDownloadDirectory;
   final ValueChanged<String>? onDirectoryPicked;
   final bool allowAndroidEditing;
@@ -97,6 +122,16 @@ class _AppPathPickerFieldState extends State<AppPathPickerField> {
     setState(() => _tooltipPath = path);
   }
 
+  Future<void> _pickFile() async {
+    if (!Util.isDesktop()) return;
+    final file = await FilePicker.pickFile();
+    if (!mounted) return;
+    final path = file?.path;
+    if (path == null || path.isEmpty || path == widget.controller.text) return;
+    widget.controller.text = path;
+    widget.onChanged?.call(path);
+  }
+
   Future<void> _pickPlatformDirectory() async {
     final path = await DownloadDirectoryPicker.pick(context, currentPath: widget.controller.text.trim());
     if (!mounted || path == null || path.isEmpty || path == widget.controller.text) return;
@@ -110,6 +145,8 @@ class _AppPathPickerFieldState extends State<AppPathPickerField> {
     final desktop = MediaQuery.sizeOf(context).width >= Breakpoints.mobile;
     final onPick = widget.platformDownloadDirectory
         ? (DownloadDirectoryPicker.canPick ? _pickPlatformDirectory : null)
+        : widget.platformFile
+        ? (Util.isDesktop() ? _pickFile : null)
         : widget.onPick;
     return SizedBox(
       width: desktop ? widget.desktopWidth : double.infinity,

ui/flutter/test/shared/widgets/app_path_picker_field_test.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gopeed/shared/theme/app_component_themes.dart';
+import 'package:gopeed/shared/theme/app_theme.dart';
+import 'package:gopeed/shared/widgets/app_path_picker_field.dart';
+import 'package:gopeed/shared/widgets/app_text_field.dart';
+import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
+
+void main() {
+  testWidgets('file paths remain editable and Web hides native file selection', (tester) async {
+    final controller = TextEditingController(text: '/scripts/old.sh');
+    addTearDown(controller.dispose);
+
+    await tester.pumpWidget(
+      shad.ShadcnApp(
+        theme: AppTheme.light(),
+        materialTheme: AppTheme.materialLight(),
+        home: AppComponentThemes(
+          child: Center(
+            child: AppPathPickerField.file(
+              controller: controller,
+              desktopWidth: 320,
+              pickerKey: const ValueKey('file-picker'),
+            ),
+          ),
+        ),
+      ),
+    );
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const ValueKey('file-picker')), kIsWeb ? findsNothing : findsOneWidget);
+    expect(tester.widget<AppTextField>(find.byType(AppTextField)).readOnly, isFalse);
+    await tester.enterText(find.byType(EditableText), '/scripts/custom.sh');
+    await tester.pump();
+    expect(controller.text, '/scripts/custom.sh');
+    expect(tester.takeException(), isNull);
+  });
+}