feat(codex): add credits balance to quota query

- Parse Codex usage credits balance and unlimited status
- Display credits in quota cards and auth file panels
- Add i18n labels and related tests

src/components/AuthFileQuotaPanel.tsx

@@ -24,10 +24,14 @@ export function AuthFileQuotaPanel({ quota, file, disabled, onRefresh, onReset,
   const fileDisabled = readBoolean(file, 'disabled');
   const showReset = Boolean(onReset && (quota.resetCredits ?? 0) > 0);
   const resetCreditsLabel = quota.resetCredits !== undefined ? t('authFiles.quota.resets', { count: quota.resetCredits }) : '';
+  const accountCreditsLabel = quota.creditsUnlimited
+    ? t('quota.creditUnlimited')
+    : quota.creditBalance !== undefined ? quota.creditBalance : '';
   const denseMetadata = dense ? [
     quota.resetCreditsApplicable !== undefined ? t('quota.resetApplicable', { count: quota.resetCreditsApplicable }) : '',
     quota.subscriptionActiveUntil ? t('quota.subscriptionExpiry', { time: formatQuotaTimestamp(quota.subscriptionActiveUntil, locale) }) : '',
     quota.resetCreditsEarliestExpiry ? t('authFiles.quota.expiry', { time: formatQuotaTimestamp(quota.resetCreditsEarliestExpiry, locale) }) : '',
+    accountCreditsLabel ? t('quota.creditBalance') + ': ' + accountCreditsLabel : '',
   ].filter(Boolean).join(' · ') : '';
   const renderRow = (row: QuotaState['rows'][number], index: number) => {
     const percent = row.remainingPercent !== null && Number.isFinite(row.remainingPercent) ? Math.max(0, Math.min(100, row.remainingPercent)) : null;
@@ -51,9 +55,9 @@ export function AuthFileQuotaPanel({ quota, file, disabled, onRefresh, onReset,
       {!compactLayout || showReset || (dense && resetCreditsLabel) ? <div className="credential-quota-heading">
         {!compactLayout ? <strong>{t('authFiles.settings.quotaRemaining')}</strong> : null}
         {!compactLayout && quota.plan ? <span className="credential-quota-plan">{quota.plan}</span> : null}
+        {dense && resetCreditsLabel ? <small className="credential-quota-reset-credits">{resetCreditsLabel}</small> : null}
         {showReset ? <button type="button" className="secondary-button compact-button credential-quota-reset" onClick={onReset} disabled={disabled || !canResetCodexQuota(file, quota)}
-          title={dense ? [t('quota.reset'), resetCreditsLabel, denseMetadata].filter(Boolean).join(' · ') : t('quota.reset')}>{dense ? resetCreditsLabel : t('quota.reset')}</button> : null}
-        {dense && !showReset && resetCreditsLabel ? <small className="credential-quota-reset-credits">{resetCreditsLabel}</small> : null}
+          title={t('quota.reset')}>{t('quota.reset')}</button> : null}
         {!compactLayout ? <button type="button" className="credential-quota-refresh" disabled={disabled || loading} onClick={onRefresh}
           title={disabled ? t('quota.fileDisabled') : t('authFiles.quota.refresh')}>
           {loading ? <LoaderCircle size={13} className="spin" /> : <RefreshCw size={13} />}
@@ -78,6 +82,7 @@ export function AuthFileQuotaPanel({ quota, file, disabled, onRefresh, onReset,
           {!dense && quota.resetCredits !== undefined ? <small>{resetCreditsLabel}</small> : null}
           {quota.resetCreditsApplicable !== undefined ? <small>{t('quota.resetApplicable', { count: quota.resetCreditsApplicable })}</small> : null}
           {quota.subscriptionActiveUntil ? <small>{t('quota.subscriptionExpiry', { time: formatQuotaTimestamp(quota.subscriptionActiveUntil, locale) })}</small> : null}
+          {accountCreditsLabel ? <small>{t('quota.creditBalance')}: {accountCreditsLabel}</small> : null}
           {quota.resetCreditsEarliestExpiry ? <small>{t('authFiles.quota.expiry', { time: formatQuotaTimestamp(quota.resetCreditsEarliestExpiry, locale) })}</small> : null}
         </div> : null}
         <MessageNotice message={quota.resetCreditsError ? name + ': ' + t('quota.resetCreditsWarning', { error: quota.resetCreditsError }) : null} />

src/i18n/ja.ts

@@ -472,6 +472,8 @@ export const jaOverrides = {
   'quota.fetch': 'クォータを取得',
   'quota.querying': '照会中',
   'quota.resetCredits': '手動リセット回数',
+  'quota.creditBalance': 'クレジット残高',
+  'quota.creditUnlimited': '無制限',
   'quota.earliestExpiry': '最も早い有効期限',
   'quota.remaining': '残り {percent}%',
   'quota.resetPassed': 'リセット時刻到達。更新して確認してください',

src/i18n/locales/en.ts

@@ -459,6 +459,8 @@ export const en: Record<MessageKey, string> = {
   'quota.fetch': 'Fetch Quota',
   'quota.querying': 'Querying',
   'quota.resetCredits': 'Manual resets',
+  'quota.creditBalance': 'Credit balance',
+  'quota.creditUnlimited': 'Unlimited',
   'quota.earliestExpiry': 'Earliest expiry',
   'quota.remaining': '{percent}% remaining',
   'quota.resetPassed': 'Reset time reached; refresh to verify',

src/i18n/locales/zh-CN.ts

@@ -458,6 +458,8 @@ export const zhCN = {
   'quota.fetch': '获取额度',
   'quota.querying': '查询中',
   'quota.resetCredits': '主动重置次数',
+  'quota.creditBalance': 'Credit 余额',
+  'quota.creditUnlimited': '无限额',
   'quota.earliestExpiry': '最早过期',
   'quota.remaining': '剩余 {percent}%',
   'quota.resetPassed': '重置时间已到，请刷新确认',

src/pages/QuotaPage.tsx

@@ -208,6 +208,7 @@ export function QuotaCard({ file, quota, onRefresh, onReset }: { file: AuthFile;
         <div className="quota-card-error"><AlertCircle size={18} />{t('authFiles.quota.failed')}</div>
       </> : null}
       {quota.status === 'success' && provider === 'codex' ? <div className="quota-reset-credit-summary">
+        {(quota.creditsUnlimited || quota.creditBalance !== undefined) ? <span>{t('quota.creditBalance')} <strong>{quota.creditsUnlimited ? t('quota.creditUnlimited') : quota.creditBalance}</strong></span> : null}
         <span>{t('quota.resetCredits')} <strong>{quota.resetCredits ?? '—'}</strong></span>
         {quota.resetCreditsApplicable !== undefined ? <span>{t('quota.resetApplicable', { count: quota.resetCreditsApplicable })}</span> : null}
         <span>{t('quota.earliestExpiry')} <strong>{formatQuotaTimestamp(quota.resetCreditsEarliestExpiry, locale)}</strong></span>

src/services/quotaService.ts

@@ -32,6 +32,8 @@ export type QuotaState = {
   rows: QuotaRow[];
   error?: string;
   plan?: string;
+  creditBalance?: string;
+  creditsUnlimited?: boolean;
   resetCredits?: number;
   resetCreditsApplicable?: number;
   resetCreditsError?: string;
@@ -304,6 +306,24 @@ export const codexResetCreditsFor = (payload: unknown): number | undefined => {
   return count === null ? undefined : Math.max(0, Math.floor(count));
 };
 
+/** Read the account-level credits returned by the Codex usage endpoint. */
+export const codexAccountCreditsFor = (
+  payload: unknown,
+): { balance?: string; unlimited: boolean } => {
+  const value = parseBody(payload);
+  if (!isRecord(value) || !isRecord(value.credits)) return { unlimited: false };
+  const rawBalance = value.credits.balance;
+  const balance = typeof rawBalance === 'number'
+    ? String(rawBalance)
+    : typeof rawBalance === 'string' && rawBalance.trim() !== ''
+      ? rawBalance.trim()
+      : undefined;
+  return {
+    ...(balance && /^\d+(?:\.\d+)?$/.test(balance) && Number.isFinite(Number(balance)) ? { balance } : {}),
+    unlimited: value.credits.unlimited === true,
+  };
+};
+
 export const codexResetCreditDetailsFor = (
   payload: unknown,
   nowMs = Date.now(),
@@ -884,11 +904,14 @@ async function loadQuotaSnapshot(file: AuthFile): Promise<QuotaState> {
     const usageCreditDetails = provider === 'codex' && isRecord(payload)
       ? codexResetCreditDetailsFor(payload.rate_limit_reset_credits ?? payload.rateLimitResetCredits)
       : {};
+    const accountCredits = provider === 'codex' ? codexAccountCreditsFor(payload) : { unlimited: false };
     return {
       status: 'success',
       rows,
       plan: (provider === 'devin' ? readDevinQuota(payload).plan : detectedPlan)
         ?? (readString(isRecord(payload) ? payload : {}, 'plan_type', 'planType') || codexMetadata?.plan),
+      creditBalance: accountCredits.balance,
+      creditsUnlimited: accountCredits.unlimited,
       subscriptionActiveUntil: provider === 'devin'
         ? readDevinQuota(payload).subscriptionActiveUntil : codexMetadata?.subscriptionActiveUntil,
       resetCreditsError,

tests/quotaRequests.test.ts

@@ -5,6 +5,7 @@ import { consumeCodexResetCredit, loadQuota } from '../src/services/quotaService
 const success = (body: unknown) => ({ status_code: 200, body });
 const codexUsage = {
   rate_limit: { primary_window: { used_percent: 25, limit_window_seconds: 18000 } },
+  credits: { balance: 12.5, unlimited: false },
   rate_limit_reset_credits: { available_count: 2, applicable_available_count: 0 },
 };
 const codexFile = { name: 'codex-test.json', provider: 'codex', auth_index: 1 };
@@ -39,7 +40,7 @@ describe('quota API compatibility', () => {
       ...codexFile,
       metadata: { id_token: { chatgpt_account_id: 'account-test', plan_type: 'pro', chatgpt_subscription_active_until: '2030-01-01T00:00:00Z' } },
     });
-    expect(result).toMatchObject({ status: 'success', plan: 'pro', resetCredits: 2, resetCreditsApplicable: 0, resetCreditsError: 'credits forbidden' });
+    expect(result).toMatchObject({ status: 'success', plan: 'pro', creditBalance: '12.5', creditsUnlimited: false, resetCredits: 2, resetCreditsApplicable: 0, resetCreditsError: 'credits forbidden' });
     expect(result.subscriptionActiveUntil).toBe('2030-01-01T00:00:00Z');
     expect(calls).toHaveLength(2);
     for (const call of calls) {

tests/quotaService.test.ts

@@ -1,10 +1,25 @@
 import { describe, expect, it } from 'bun:test';
 import {
+  codexAccountCreditsFor,
   codexResetCreditDetailsFor,
   codexResetCreditsFor,
   quotaRowsFor,
 } from '../src/services/quotaService';
 
+describe('Codex account credits', () => {
+  it('reads a numeric balance and unlimited flag from usage payloads', () => {
+    expect(codexAccountCreditsFor({ credits: { balance: 12.5, unlimited: false } }))
+      .toEqual({ balance: '12.5', unlimited: false });
+    expect(codexAccountCreditsFor({ credits: { unlimited: true } }))
+      .toEqual({ unlimited: true });
+  });
+
+  it('ignores malformed balances', () => {
+    expect(codexAccountCreditsFor({ credits: { balance: 'N/A', unlimited: false } }))
+      .toEqual({ unlimited: false });
+  });
+});
+
 describe('quotaRowsFor', () => {
   it('把 Codex 的已用百分比转换为剩余额度', () => {
     const rows = quotaRowsFor('codex', {