feat: added French support

src/components/piano-roll/PianoKeys.test.tsx

@@ -4,6 +4,7 @@ import { act, fireEvent, render, screen } from '@testing-library/react';
 import PianoKeys from './PianoKeys';
 import { createMockMidiNote, createMockMidiRegion, createMockMidiTrack } from '../../test/utils/mock-data';
 import { I18nContext } from '../../i18n/I18nProvider';
+import type { ResolvedLocaleCode } from '../../i18n/types';
 import { translate } from '../../i18n/translate';
 
 type TestLiveNoteActivityListener = (...args: [{ pitch: number; isNoteOn: boolean }]) => void;
@@ -52,7 +53,7 @@ vi.mock('../../core/midi-input/KGMidiInput', () => ({
 
 function renderWithLocale(
   ui: React.ReactElement,
-  resolvedLocale: 'en_us' | 'zh_cn' = 'en_us',
+  resolvedLocale: ResolvedLocaleCode = 'en_us',
 ) {
   return render(
     <I18nContext.Provider

src/components/piano-roll/PianoRollAutomationLane.test.tsx

@@ -4,6 +4,7 @@ import { fireEvent, render, screen, waitFor } from '@testing-library/react';
 import { KGPianoRollState, PIANO_ROLL_NO_SNAP } from '../../core/state/KGPianoRollState';
 import { createMockMidiControllerEvent, createMockMidiPitchBend, createMockMidiRegion, createMockMidiTrack } from '../../test/utils/mock-data';
 import { I18nContext } from '../../i18n/I18nProvider';
+import type { ResolvedLocaleCode } from '../../i18n/types';
 import { translate } from '../../i18n/translate';
 
 const coreMock = {
@@ -47,7 +48,7 @@ import PianoRollAutomationLane from './PianoRollAutomationLane';
 import { getControllerNumberForAutomationType } from './pianoRollAutomation';
 
 describe('PianoRollAutomationLane', () => {
-  const renderWithLocale = (ui: React.ReactElement, locale: 'en_us' | 'zh_cn' = 'en_us') => render(
+  const renderWithLocale = (ui: React.ReactElement, locale: ResolvedLocaleCode = 'en_us') => render(
     <I18nContext.Provider
       value={{
         languageSetting: locale,

src/components/piano-roll/PianoRollToolbar.test.tsx

@@ -3,6 +3,7 @@ import { describe, expect, it, vi } from 'vitest';
 import { fireEvent, render, screen } from '@testing-library/react';
 import PianoRollToolbar from './PianoRollToolbar';
 import { I18nContext } from '../../i18n/I18nProvider';
+import type { ResolvedLocaleCode } from '../../i18n/types';
 import { translate } from '../../i18n/translate';
 
 vi.mock('../common', () => ({
@@ -42,7 +43,7 @@ vi.mock('../../core/KGCore', () => ({
 }));
 
 describe('PianoRollToolbar', () => {
-  const renderWithLocale = (ui: React.ReactElement, locale: 'en_us' | 'zh_cn' = 'en_us') => render(
+  const renderWithLocale = (ui: React.ReactElement, locale: ResolvedLocaleCode = 'en_us') => render(
     <I18nContext.Provider
       value={{
         languageSetting: locale,