fix: added missing i18n labels

src/components/track/TrackInfoItem.test.tsx

@@ -1,8 +1,10 @@
 import React from 'react';
 import { describe, it, expect, vi, beforeEach } from 'vitest';
-import { render } from '@testing-library/react';
+import { fireEvent, render, screen } from '@testing-library/react';
 import TrackInfoItem from './TrackInfoItem';
 import { KGAudioTrack } from '../../core/track/KGAudioTrack';
+import { showConfirm } from '../../util/dialogUtil';
+import { translate } from '../../i18n/translate';
 
 const storeState = {
   selectedTrackId: null as string | null,
@@ -24,8 +26,31 @@ vi.mock('../../stores/projectStore', () => ({
   ),
 }));
 
+vi.mock('../../i18n/useI18n', async () => {
+  const { translate } = await import('../../i18n/translate');
+  return {
+    useI18n: () => ({
+      t: (key: string, params?: Record<string, string | number>) => translate(key, params, 'zh_cn'),
+    }),
+  };
+});
+
 vi.mock('../common/KGDropdown', () => ({
-  default: () => null,
+  default: ({ options, isOpen, onChange }: { options: Array<string | { label: string; value: string }>; isOpen?: boolean; onChange: (value: string) => void }) => (
+    isOpen ? (
+      <div>
+        {options.map((option) => {
+          const value = typeof option === 'string' ? option : option.value;
+          const label = typeof option === 'string' ? option : option.label;
+          return (
+            <button key={value} type="button" onClick={() => onChange(value)}>
+              {label}
+            </button>
+          );
+        })}
+      </div>
+    ) : null
+  ),
 }));
 
 vi.mock('../common/FileImportModal', () => ({
@@ -49,6 +74,7 @@ describe('TrackInfoItem audio import', () => {
     storeState.toggleInstrumentSelectionForTrack.mockReset();
     storeState.importAudioToTrack.mockReset();
     storeState.setTrackAutomationView.mockReset();
+    vi.mocked(showConfirm).mockReset();
   });
 
   it('advertises m4a support in the track audio import modal', () => {
@@ -72,4 +98,33 @@ describe('TrackInfoItem audio import', () => {
 
     expect(fileImportModalProps?.acceptedTypes).toEqual(['.wav', '.mp3', '.ogg', '.flac', '.aac', '.m4a']);
   });
+
+  it('uses the localized delete-track confirmation message', () => {
+    const audioTrack = new KGAudioTrack('钢琴', 1);
+    audioTrack.setTrackIndex(0);
+    storeState.tracks = [audioTrack];
+
+    vi.mocked(showConfirm).mockResolvedValue(false);
+
+    render(
+      <TrackInfoItem
+        track={audioTrack}
+        index={0}
+        isDragging={false}
+        isDragOver={false}
+        onTrackNameEdit={vi.fn()}
+        onDragStart={vi.fn()}
+        onDragOver={vi.fn()}
+        onDrop={vi.fn()}
+        onDragEnd={vi.fn()}
+      />
+    );
+
+    fireEvent.click(screen.getByRole('button', { name: '更多操作' }));
+    fireEvent.click(screen.getByRole('button', { name: '删除轨道' }));
+
+    expect(showConfirm).toHaveBeenCalledWith(
+      translate('track.controls.settings.deleteTrackConfirm', { name: '钢琴' }, 'zh_cn')
+    );
+  });
 });