feat(i18n): update latency and TTFT labels in Japanese and Chinese translations

src/i18n/ja.ts

@@ -179,7 +179,8 @@ export const jaOverrides = {
   'usage.column.model': 'モデル',
   'usage.column.source': 'ソース',
   'usage.column.result': '結果',
-  'usage.column.latency': 'レイテンシ',
+  'usage.column.latency': '合計所要時間',
+  'usage.column.ttft': '初回トークン遅延',
   'usage.column.input': '入力',
   'usage.column.output': '出力',
   'usage.column.reasoning': '推論',

src/i18n/resources.ts

@@ -182,7 +182,8 @@ export const zhCN = {
   'usage.column.model': '模型',
   'usage.column.source': '来源',
   'usage.column.result': '结果',
-  'usage.column.latency': '延迟',
+  'usage.column.latency': '总耗时',
+  'usage.column.ttft': '首字延迟',
   'usage.column.input': '输入',
   'usage.column.output': '输出',
   'usage.column.reasoning': '思考',
@@ -1025,7 +1026,8 @@ export const en: Record<MessageKey, string> = {
   'usage.column.model': 'Model',
   'usage.column.source': 'Source',
   'usage.column.result': 'Result',
-  'usage.column.latency': 'Latency',
+  'usage.column.latency': 'Total Duration',
+  'usage.column.ttft': 'First Token Latency',
   'usage.column.input': 'Input',
   'usage.column.output': 'Output',
   'usage.column.reasoning': 'Reasoning',

src/pages/UsageRecordsPage.tsx

@@ -464,7 +464,7 @@ function CategoryPanel({ title, items, compactLabels = false }: { title: string;
 
 function EventsView({ events, onPage }: { events: UsageEventPage; onPage: (page: number) => void }) {
   const { t } = useI18n();
-  return <section className="panel usage-events-panel"><div className="usage-events-summary"><span>{t('usage.events.total', { count: compactNumber(events.total) })}</span><span>{t('usage.events.page', { page: events.page, total: events.totalPages })}</span></div>{events.items.length ? <div className="usage-table-wrap"><table className="usage-events-table"><thead><tr><th>{t('usage.column.time')}</th><th>{t('usage.column.model')}</th><th>Provider</th><th>{t('usage.column.source')}</th><th>API Key</th><th>{t('usage.column.input')}</th><th>{t('usage.column.output')}</th><th>{t('usage.column.reasoning')}</th><th>{t('usage.column.cache')}</th><th>{t('usage.column.total')}</th><th>{t('usage.column.result')}</th><th>{t('usage.column.latency')}</th><th>TTFT</th></tr></thead><tbody>{events.items.map((record) => <tr key={record.id}><td>{formatTime(record.timestamp)}</td><td className="usage-stacked-cell"><strong title={record.alias || record.model}>{record.alias || record.model}</strong>{record.alias || record.reasoning_effort ? <small title={record.model}>{record.alias ? record.model : ''}{record.alias && record.reasoning_effort ? ' · ' : ''}{record.reasoning_effort}</small> : null}</td><td title={record.provider}>{record.provider || '—'}</td><td title={record.source_display || undefined}>{record.source_display || '—'}</td><td className="usage-stacked-cell"><strong title={record.api_key_remark}>{record.api_key_remark || t('usage.key.noRemark')}</strong><small>{record.api_key_display || '—'}</small></td><td>{compactNumber(record.tokens.input_tokens)}</td><td>{compactNumber(record.tokens.output_tokens)}</td><td>{compactNumber(record.tokens.reasoning_tokens)}</td><td>{compactNumber(record.tokens.cache_read_tokens)}</td><td><strong>{compactNumber(record.tokens.total_tokens)}</strong></td><td><span className={`usage-result ${record.failed ? 'failed' : 'success'}`}>{record.failed ? t('usage.result.failed') : t('usage.result.success')}</span></td><td>{record.latency_ms} ms</td><td>{record.ttft_ms == null ? '—' : `${record.ttft_ms} ms`}</td></tr>)}</tbody></table></div> : <UsageEmpty />}<div className="usage-pagination"><button type="button" className="secondary-button" disabled={events.page <= 1} onClick={() => onPage(events.page - 1)}>{t('usage.previous')}</button><button type="button" className="secondary-button" disabled={events.page >= events.totalPages} onClick={() => onPage(events.page + 1)}>{t('usage.next')}</button></div></section>;
+  return <section className="panel usage-events-panel"><div className="usage-events-summary"><span>{t('usage.events.total', { count: compactNumber(events.total) })}</span><span>{t('usage.events.page', { page: events.page, total: events.totalPages })}</span></div>{events.items.length ? <div className="usage-table-wrap"><table className="usage-events-table"><thead><tr><th>{t('usage.column.time')}</th><th>{t('usage.column.model')}</th><th>Provider</th><th>{t('usage.column.source')}</th><th>API Key</th><th>{t('usage.column.input')}</th><th>{t('usage.column.output')}</th><th>{t('usage.column.reasoning')}</th><th>{t('usage.column.cache')}</th><th>{t('usage.column.total')}</th><th>{t('usage.column.result')}</th><th>{t('usage.column.latency')}</th><th>{t('usage.column.ttft')}</th></tr></thead><tbody>{events.items.map((record) => <tr key={record.id}><td>{formatTime(record.timestamp)}</td><td className="usage-stacked-cell"><strong title={record.alias || record.model}>{record.alias || record.model}</strong>{record.alias || record.reasoning_effort ? <small title={record.model}>{record.alias ? record.model : ''}{record.alias && record.reasoning_effort ? ' · ' : ''}{record.reasoning_effort}</small> : null}</td><td title={record.provider}>{record.provider || '—'}</td><td title={record.source_display || undefined}>{record.source_display || '—'}</td><td className="usage-stacked-cell"><strong title={record.api_key_remark}>{record.api_key_remark || t('usage.key.noRemark')}</strong><small>{record.api_key_display || '—'}</small></td><td>{compactNumber(record.tokens.input_tokens)}</td><td>{compactNumber(record.tokens.output_tokens)}</td><td>{compactNumber(record.tokens.reasoning_tokens)}</td><td>{compactNumber(record.tokens.cache_read_tokens)}</td><td><strong>{compactNumber(record.tokens.total_tokens)}</strong></td><td><span className={`usage-result ${record.failed ? 'failed' : 'success'}`}>{record.failed ? t('usage.result.failed') : t('usage.result.success')}</span></td><td>{record.latency_ms} ms</td><td>{record.ttft_ms == null ? '—' : `${record.ttft_ms} ms`}</td></tr>)}</tbody></table></div> : <UsageEmpty />}<div className="usage-pagination"><button type="button" className="secondary-button" disabled={events.page <= 1} onClick={() => onPage(events.page - 1)}>{t('usage.previous')}</button><button type="button" className="secondary-button" disabled={events.page >= events.totalPages} onClick={() => onPage(events.page + 1)}>{t('usage.next')}</button></div></section>;
 }
 
 type PriceDraft = {