fix(i18n): 统一使用 useLazyTranslation 避免翻译 key 闪烁

pages/Timestamp/LiveClock.tsx

@@ -5,7 +5,7 @@ import CopyButton from '@/components/CopyButton';
 import { useSnackbar } from '@/components/GlobalSnackbar';
 import type { UnitType } from '@/config/pageTheme';
 import { timestampPageStyles } from '@/config/pageTheme';
-import { useTranslation } from 'react-i18next';
+import { useLazyTranslation } from '@/utils/useLazyTranslation';
 
 interface LiveClockProps {
   unit: UnitType;
@@ -14,7 +14,7 @@ interface LiveClockProps {
 
 const LiveClock = React.memo(({ unit, onUseNow }: LiveClockProps) => {
   const [now, setNow] = useState(() => Date.now());
-  const { t } = useTranslation(['timestamp']);
+  const { t } = useLazyTranslation('timestamp');
   const { showMessage } = useSnackbar();
   const onUseNowRef = useRef(onUseNow);
 

pages/Timestamp/ResultView.tsx

@@ -4,7 +4,7 @@ import dayjs from '@/utils/dayjs';
 import CopyButton from '@/components/CopyButton';
 import type { UnitType } from '@/config/pageTheme';
 import { DATE_FORMAT, timestampPageStyles } from '@/config/pageTheme';
-import { useTranslation } from 'react-i18next';
+import { useLazyTranslation } from '@/utils/useLazyTranslation';
 
 interface ResultViewProps {
   result: string;
@@ -17,7 +17,7 @@ interface ResultViewProps {
 
 const ResultView = React.memo(
   ({ result, mode, unit, zone, showEmptyPlaceholder = false }: ResultViewProps) => {
-    const { t } = useTranslation(['timestamp']);
+    const { t } = useLazyTranslation('timestamp');
 
     const extraInfo = useMemo(() => {
       if (!result) return null;

pages/Timestamp/useTimestampConverter.ts

@@ -2,7 +2,7 @@ import { useCallback, useState } from 'react';
 import dayjs from '@/utils/dayjs';
 import type { UnitType, ZoneType } from '@/config/pageTheme';
 import { DATE_FORMAT } from '@/config/pageTheme';
-import { useTranslation } from 'react-i18next';
+import { useLazyTranslation } from '@/utils/useLazyTranslation';
 import { useContextMenuData } from '@/utils/useContextMenuData';
 
 export interface UseTimestampConverterReturn {
@@ -34,7 +34,7 @@ function isTimestampLike(input: string): boolean {
 }
 
 export function useTimestampConverter(): UseTimestampConverterReturn {
-  const { t } = useTranslation(['timestamp']);
+  const { t } = useLazyTranslation('timestamp');
   const [mode, setMode] = useState<'ts2dt' | 'dt2ts'>('ts2dt');
   const [tsInput, setTsInput] = useState(() => String(Date.now()));
   const [dtInput, setDtInput] = useState(() => dayjs().format(DATE_FORMAT));