diff --git a/src/features/quota/hooks/useQuotaActions.ts b/src/features/quota/hooks/useQuotaActions.ts
index 7be118c3..3a63319d 100644
--- a/src/features/quota/hooks/useQuotaActions.ts
+++ b/src/features/quota/hooks/useQuotaActions.ts
@@ -14,6 +14,7 @@ import {
 import type { AuthFileItem } from '@/types';
 import { getStatusFromError } from '@/utils/quota';
 import { getQuotaCacheKey } from '@/utils/quota/identity';
+import { enrichQuotaInBackground } from '../quotaEnrichment';
 import { getQuotaMap, getQuotaSetter, type QuotaAdapter, type QuotaCardState } from '../providers';
 
 const getQuotaState = (adapter: QuotaAdapter, file: AuthFileItem): QuotaCardState | undefined =>
@@ -42,10 +43,12 @@ export function useQuotaActions(disableControls: boolean) {
       try {
         const data = await adapter.fetchQuota(file, t);
         commitIfQuotaCacheCurrent(cacheGeneration, () => {
+          const successState = adapter.buildSuccessState(data);
           setQuota((prev) => ({
             ...prev,
-            [cacheKey]: adapter.buildSuccessState(data),
+            [cacheKey]: successState,
           }));
+          void enrichQuotaInBackground(adapter, file, data, successState, t);
           showNotification(t('auth_files.quota_refresh_success', { name: file.name }), 'success');
         });
       } catch (err: unknown) {
diff --git a/src/features/quota/hooks/useQuotaBatchLoader.ts b/src/features/quota/hooks/useQuotaBatchLoader.ts
index 2efd2268..f9538b16 100644
--- a/src/features/quota/hooks/useQuotaBatchLoader.ts
+++ b/src/features/quota/hooks/useQuotaBatchLoader.ts
@@ -14,7 +14,8 @@ import { captureQuotaCacheGeneration, commitIfQuotaCacheCurrent } from '@/stores
 import { getStatusFromError } from '@/utils/quota';
 import { getQuotaCacheKey } from '@/utils/quota/identity';
 import type { QuotaFileEntry } from '../logic';
-import { QUOTA_ADAPTERS, getQuotaSetter } from '../providers';
+import { QUOTA_ADAPTERS, getQuotaSetter, type QuotaCardState } from '../providers';
+import { enrichQuotaInBackground } from '../quotaEnrichment';
 import type { QuotaProviderType } from '../providers/types';
 
 interface BatchFetchResult {
@@ -85,6 +86,7 @@ export function useQuotaBatchLoader() {
 
             if (requestId !== requestIdRef.current) return;
 
+            const committedStates = new Map<string, QuotaCardState>();
             setQuota((prev) => {
               const nextState = { ...prev };
               results.forEach((result) => {
@@ -98,12 +100,19 @@ export function useQuotaBatchLoader() {
                             result.error || t('common.unknown_error'),
                             result.errorStatus
                           );
+                    committedStates.set(result.cacheKey, nextState[result.cacheKey]);
                   },
                   result.name
                 );
               });
               return nextState;
             });
+            results.forEach((result, index) => {
+              const state = committedStates.get(result.cacheKey);
+              if (result.status === 'success' && state) {
+                void enrichQuotaInBackground(adapter, entries[index].file, result.data, state, t);
+              }
+            });
           })
         );
       } finally {
diff --git a/src/features/quota/providers/index.ts b/src/features/quota/providers/index.ts
index 796915a7..f8121210 100644
--- a/src/features/quota/providers/index.ts
+++ b/src/features/quota/providers/index.ts
@@ -38,6 +38,7 @@ export interface QuotaAdapter {
   i18nPrefix: string;
   filterFn: (file: AuthFileItem) => boolean;
   fetchQuota: (file: AuthFileItem, t: TFunction) => Promise<unknown>;
+  enrichQuota?: (file: AuthFileItem, data: unknown, t: TFunction) => Promise<unknown>;
   resetQuota?: (file: AuthFileItem, t: TFunction) => Promise<unknown>;
   canResetQuota?: (quota: QuotaCardState) => boolean;
   storeSelector: (state: QuotaStore) => Record<string, QuotaCardState>;
diff --git a/src/features/quota/providers/types.ts b/src/features/quota/providers/types.ts
index 5f9eb36b..6962137a 100644
--- a/src/features/quota/providers/types.ts
+++ b/src/features/quota/providers/types.ts
@@ -46,6 +46,8 @@ export interface QuotaProviderData<TState, TData> {
   i18nPrefix: string;
   filterFn: (file: AuthFileItem) => boolean;
   fetchQuota: (file: AuthFileItem, t: TFunction) => Promise<TData>;
+  /** Optional details loaded only after the primary quota has been committed. */
+  enrichQuota?: (file: AuthFileItem, data: TData, t: TFunction) => Promise<TData>;
   resetQuota?: (file: AuthFileItem, t: TFunction) => Promise<TData>;
   canResetQuota?: (quota: TState) => boolean;
   storeSelector: (state: QuotaStore) => Record<string, TState>;
diff --git a/src/features/quota/providers/xai/XaiQuotaBody.tsx b/src/features/quota/providers/xai/XaiQuotaBody.tsx
index 4f5c98f0..20bc3096 100644
--- a/src/features/quota/providers/xai/XaiQuotaBody.tsx
+++ b/src/features/quota/providers/xai/XaiQuotaBody.tsx
@@ -51,6 +51,15 @@ const formatXaiPercent = (value: number | null): string => {
 const XAI_SUPERGROK_LIMIT_CENTS = 15_000;
 const XAI_SUPERGROK_HEAVY_LIMIT_CENTS = 150_000;
 
+const planValueClass = (
+  tier: XaiBillingSummary['planTier'],
+  classes: QuotaBodyProps<XaiQuotaState>['classes']
+) => {
+  if (tier === 'elite') return classes.elitePlanValue;
+  if (tier === 'premium') return classes.premiumPlanValue;
+  return classes.codexPlanValue;
+};
+
 const resolveXaiPlan = (
   monthlyLimitCents: number | null
 ): { labelKey: string; premium: boolean } | null => {
@@ -85,7 +94,15 @@ export function XaiQuotaBody({ quota, classes }: QuotaBodyProps<XaiQuotaState>)
       <>
         <div className={classes.codexPlan}>
           <span className={classes.codexPlanLabel}>{t('xai_quota.plan_label')}</span>
-          <span className={classes.premiumPlanValue}>{t('xai_quota.plan_paid')}</span>
+          <span
+            className={
+              billing.planLabel
+                ? planValueClass(billing.planTier, classes)
+                : classes.premiumPlanValue
+            }
+          >
+            {billing.planLabel ?? t('xai_quota.plan_paid')}
+          </span>
         </div>
         <div className={classes.quotaMessage}>{t('xai_quota.paid_health')}</div>
       </>
@@ -138,13 +155,45 @@ export function XaiQuotaBody({ quota, classes }: QuotaBodyProps<XaiQuotaState>)
       Boolean(billing.billingPeriodEnd)) &&
     !(hasWeeklyData && billing.monthlyLimitCents === 0 && billing.usedCents === 0);
 
+  const subscriptionLabel = billing.planLabel ?? (plan ? t(`xai_quota.${plan.labelKey}`) : null);
+  const subscriptionClass = billing.planLabel
+    ? planValueClass(billing.planTier, classes)
+    : plan?.premium
+      ? classes.premiumPlanValue
+      : classes.codexPlanValue;
+  const headerReset = buildResetDisplay(
+    null,
+    hasWeeklyData ? billing.resetAtMs : parseIsoToMs(billing.billingPeriodEnd),
+    now,
+    locale
+  );
+
   return (
     <>
-      {plan && (
+      {(subscriptionLabel || headerReset) && (
         <div className={classes.codexPlan}>
-          <span className={classes.codexPlanLabel}>{t('xai_quota.plan_label')}</span>
-          <span className={plan.premium ? classes.premiumPlanValue : classes.codexPlanValue}>
-            {t(`xai_quota.${plan.labelKey}`)}
+          {subscriptionLabel && (
+            <span className={classes.codexPlanItem}>
+              <span className={classes.codexPlanLabel}>{t('xai_quota.plan_label')}</span>
+              <span className={subscriptionClass}>{subscriptionLabel}</span>
+            </span>
+          )}
+          {headerReset && (
+            <span className={classes.codexPlanItem}>
+              <span className={classes.codexPlanLabel}>{t('xai_quota.resets_label')}</span>
+              <span className={classes.codexPlanValue}>{headerReset.absolute}</span>
+              {headerReset.relative && (
+                <span className={classes.quotaResetRelative}>{headerReset.relative}</span>
+              )}
+            </span>
+          )}
+        </div>
+      )}
+      {typeof billing.prepaidBalanceCents === 'number' && billing.prepaidBalanceCents > 0 && (
+        <div className={classes.codexPlan}>
+          <span className={classes.codexPlanLabel}>{t('xai_quota.prepaid')}</span>
+          <span className={classes.quotaAmount}>
+            {formatUsdFromCents(billing.prepaidBalanceCents)}
           </span>
         </div>
       )}
diff --git a/src/features/quota/providers/xai/data.ts b/src/features/quota/providers/xai/data.ts
index aff5a472..23513bdd 100644
--- a/src/features/quota/providers/xai/data.ts
+++ b/src/features/quota/providers/xai/data.ts
@@ -12,6 +12,8 @@ import {
   XAI_API_REQUEST_HEADERS,
   XAI_BILLING_MONTHLY_URL,
   XAI_BILLING_WEEKLY_URL,
+  XAI_SETTINGS_URL,
+  XAI_USER_URL,
   XAI_PAID_HEALTH_MODEL,
   XAI_REQUEST_HEADERS,
   normalizeStringValue,
@@ -19,6 +21,7 @@ import {
   buildXaiBillingSummary,
   buildXaiPaidHealthSummary,
   mergeXaiBillingSummaries,
+  resolveXaiSubscriptionPlan,
   createStatusError,
   isDisabledAuthFile,
   isPaidXaiAuthFile,
@@ -28,6 +31,7 @@ import { normalizeAuthIndex } from '@/utils/authIndex';
 import type { QuotaProviderData } from '../types';
 
 const XAI_PAID_HEALTH_REQUEST_TIMEOUT_MS = 15000;
+const XAI_SUBSCRIPTION_REQUEST_TIMEOUT_MS = 8000;
 
 const toXaiRecord = (value: unknown): Record<string, unknown> | null => {
   return value && typeof value === 'object' && !Array.isArray(value)
@@ -145,6 +149,58 @@ const requestXaiPaidHealth = async (authIndex: string): Promise<XaiBillingSummar
   return buildXaiPaidHealthSummary(profile);
 };
 
+const readJsonRecord = (result: { statusCode: number; body?: unknown; bodyText?: string }) => {
+  if (result.statusCode < 200 || result.statusCode >= 300) return null;
+  const body = result.body ?? result.bodyText;
+  if (typeof body === 'string') {
+    try {
+      const parsed = JSON.parse(body) as unknown;
+      return toXaiRecord(parsed);
+    } catch {
+      return null;
+    }
+  }
+  return toXaiRecord(body);
+};
+
+const readPlanField = (record: Record<string, unknown> | null, keys: string[]) => {
+  if (!record) return null;
+  for (const key of keys) {
+    const value = normalizeStringValue(record[key]);
+    if (value) return value;
+  }
+  return null;
+};
+
+const requestXaiSubscription = async (authIndex: string) => {
+  const header = { ...XAI_REQUEST_HEADERS };
+  const [userResult, settingsResult] = await Promise.allSettled([
+    apiCallApi.request(
+      { authIndex, method: 'GET', url: XAI_USER_URL, header },
+      { timeout: XAI_SUBSCRIPTION_REQUEST_TIMEOUT_MS }
+    ),
+    apiCallApi.request(
+      { authIndex, method: 'GET', url: XAI_SETTINGS_URL, header },
+      { timeout: XAI_SUBSCRIPTION_REQUEST_TIMEOUT_MS }
+    ),
+  ]);
+  const user = userResult.status === 'fulfilled' ? readJsonRecord(userResult.value) : null;
+  const settings =
+    settingsResult.status === 'fulfilled' ? readJsonRecord(settingsResult.value) : null;
+  return resolveXaiSubscriptionPlan(
+    readPlanField(user, ['subscriptionTier', 'subscription_tier']),
+    readPlanField(settings, ['subscription_tier_display', 'subscriptionTierDisplay'])
+  );
+};
+
+const withSubscriptionPlan = (
+  summary: XaiBillingSummary,
+  plan: { label: string; tier: 'elite' | 'premium' | 'standard' } | null
+): XaiBillingSummary => {
+  if (!plan) return summary;
+  return { ...summary, planLabel: plan.label, planTier: plan.tier };
+};
+
 const fetchXaiQuota = async (file: AuthFileItem, t: TFunction): Promise<XaiBillingSummary> => {
   const rawAuthIndex = file['auth_index'] ?? file.authIndex;
   const authIndex = normalizeAuthIndex(rawAuthIndex);
@@ -184,6 +240,11 @@ export const XAI_CONFIG: QuotaProviderData<XaiQuotaState, XaiBillingSummary> = {
   i18nPrefix: 'xai_quota',
   filterFn: (file) => isXaiFile(file) && !isDisabledAuthFile(file),
   fetchQuota: fetchXaiQuota,
+  enrichQuota: async (file, summary) => {
+    const authIndex = normalizeAuthIndex(file['auth_index'] ?? file.authIndex);
+    if (!authIndex) return summary;
+    return withSubscriptionPlan(summary, await requestXaiSubscription(authIndex));
+  },
   storeSelector: (state) => state.xaiQuota,
   storeSetter: 'setXaiQuota',
   buildLoadingState: () => ({ status: 'loading', billing: null }),
diff --git a/src/features/quota/quotaEnrichment.ts b/src/features/quota/quotaEnrichment.ts
new file mode 100644
index 00000000..79d9a6b6
--- /dev/null
+++ b/src/features/quota/quotaEnrichment.ts
@@ -0,0 +1,38 @@
+import type { TFunction } from 'i18next';
+import type { AuthFileItem } from '@/types';
+import {
+  captureQuotaCacheGeneration,
+  commitIfQuotaCacheCurrent,
+  useQuotaStore,
+} from '@/stores/useQuotaStore';
+import { getQuotaCacheKey } from '@/utils/quota/identity';
+import type { QuotaAdapter, QuotaCardState, QuotaMapUpdater } from './providers';
+
+/** Optional metadata must neither delay quota rendering nor replace a newer result. */
+export async function enrichQuotaInBackground(
+  adapter: QuotaAdapter,
+  file: AuthFileItem,
+  data: unknown,
+  expectedState: QuotaCardState,
+  t: TFunction
+): Promise<void> {
+  if (!adapter.enrichQuota) return;
+  const cacheKey = getQuotaCacheKey(file);
+  const currentState = () => adapter.storeSelector(useQuotaStore.getState())[cacheKey];
+  if (currentState() !== expectedState) return;
+  const generation = captureQuotaCacheGeneration(file.name);
+
+  try {
+    const enriched = await adapter.enrichQuota(file, data, t);
+    if (enriched === data) return;
+    commitIfQuotaCacheCurrent(generation, () => {
+      const setQuota = useQuotaStore.getState()[adapter.storeSetter] as QuotaMapUpdater;
+      setQuota((prev) => {
+        if (prev[cacheKey] !== expectedState) return prev;
+        return { ...prev, [cacheKey]: adapter.buildSuccessState(enriched) };
+      });
+    });
+  } catch {
+    // Keep the successful quota and its original plan fallback on optional failures.
+  }
+}
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 7e4b13dc..e0514ba6 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -624,6 +624,8 @@
     "reset_at": "Resets {{time}}",
     "product_usage": "{{product}} usage",
     "plan_label": "Plan",
+    "resets_label": "Resets",
+    "prepaid": "Prepaid",
     "plan_supergrok": "SuperGrok",
     "plan_supergrok_heavy": "SuperGrok Heavy",
     "plan_paid": "Paid",
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index cd634d0a..21b82868 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -627,6 +627,8 @@
     "reset_at": "Сброс {{time}}",
     "product_usage": "Использование {{product}}",
     "plan_label": "План",
+    "resets_label": "Сброс",
+    "prepaid": "Предоплата",
     "plan_supergrok": "SuperGrok",
     "plan_supergrok_heavy": "SuperGrok Heavy",
     "plan_paid": "Платный",
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index 72e7cfcb..163efa93 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -622,6 +622,8 @@
     "reset_at": "重置 {{time}}",
     "product_usage": "{{product}} 使用",
     "plan_label": "套餐",
+    "resets_label": "重置",
+    "prepaid": "预付",
     "plan_supergrok": "SuperGrok",
     "plan_supergrok_heavy": "SuperGrok Heavy",
     "plan_paid": "付费",
diff --git a/src/i18n/locales/zh-TW.json b/src/i18n/locales/zh-TW.json
index 8e748a5e..e3fb75fd 100644
--- a/src/i18n/locales/zh-TW.json
+++ b/src/i18n/locales/zh-TW.json
@@ -622,6 +622,8 @@
     "reset_at": "重置 {{time}}",
     "product_usage": "{{product}} 使用",
     "plan_label": "方案",
+    "resets_label": "重置",
+    "prepaid": "預付",
     "plan_supergrok": "SuperGrok",
     "plan_supergrok_heavy": "SuperGrok Heavy",
     "plan_paid": "付費",
diff --git a/src/types/quota.ts b/src/types/quota.ts
index 2f9fd031..4d0a2dc6 100644
--- a/src/types/quota.ts
+++ b/src/types/quota.ts
@@ -405,6 +405,8 @@ export interface XaiBillingConfig {
   on_demand_cap?: XaiBillingCent | number | string | null;
   onDemandUsed?: XaiBillingCent | number | string | null;
   on_demand_used?: XaiBillingCent | number | string | null;
+  prepaidBalance?: XaiBillingCent | number | string | null;
+  prepaid_balance?: XaiBillingCent | number | string | null;
   billingPeriodStart?: string;
   billing_period_start?: string;
   billingPeriodEnd?: string;
@@ -440,6 +442,10 @@ export interface XaiBillingSummary {
   onDemandCapCents: number | null;
   onDemandUsedCents: number | null;
   onDemandUsedPercent: number | null;
+  prepaidBalanceCents?: number | null;
+  /** Display name from Grok settings, for example "SuperGrok Heavy". */
+  planLabel?: string;
+  planTier?: 'elite' | 'premium' | 'standard';
   billingPeriodStart?: string;
   billingPeriodEnd?: string;
   usedPercent: number | null;
diff --git a/src/utils/quota/builders.ts b/src/utils/quota/builders.ts
index 901b1b91..ff9de0f8 100644
--- a/src/utils/quota/builders.ts
+++ b/src/utils/quota/builders.ts
@@ -426,6 +426,7 @@ const emptyXaiBillingSummary = (): XaiBillingSummary => ({
   onDemandCapCents: null,
   onDemandUsedCents: null,
   onDemandUsedPercent: null,
+  prepaidBalanceCents: null,
   usedPercent: null,
 });
 
@@ -450,6 +451,22 @@ function xaiPeriodInstants(
   return { resetAtMs, periodHours };
 }
 
+export function resolveXaiSubscriptionPlan(
+  tier: string | null | undefined,
+  display: string | null | undefined
+): { label: string; tier: 'elite' | 'premium' | 'standard' } | null {
+  const label = normalizeStringValue(display) ?? normalizeStringValue(tier);
+  if (!label) return null;
+  const key = `${display ?? ''} ${tier ?? ''}`.toLowerCase().replace(/[^a-z0-9]+/g, '');
+  const planTier =
+    key.includes('heavy')
+      ? 'elite'
+      : key.includes('supergrok') || key.includes('premium')
+        ? 'premium'
+        : 'standard';
+  return { label, tier: planTier };
+}
+
 export function buildXaiBillingSummary(
   config: XaiBillingConfig | null | undefined
 ): XaiBillingSummary | null {
@@ -496,6 +513,9 @@ export function buildXaiBillingSummary(
       ? Math.max(0, usedCents - monthlyLimitCents)
       : null;
   const onDemandUsedCents = explicitOnDemandUsedCents ?? derivedOnDemandUsedCents;
+  const prepaidBalanceCents = normalizeXaiCentValue(
+    config.prepaidBalance ?? config.prepaid_balance
+  );
   const usedPercent =
     monthlyLimitCents !== null && monthlyLimitCents > 0 && includedUsedCents !== null
       ? (includedUsedCents / monthlyLimitCents) * 100
@@ -529,6 +549,7 @@ export function buildXaiBillingSummary(
   summary.onDemandCapCents = onDemandCapCents;
   summary.onDemandUsedCents = onDemandUsedCents;
   summary.onDemandUsedPercent = onDemandUsedPercent;
+  summary.prepaidBalanceCents = prepaidBalanceCents;
   summary.billingPeriodStart = hasMonthlyData ? billingPeriodStart : undefined;
   summary.billingPeriodEnd = hasMonthlyData ? billingPeriodEnd : undefined;
   summary.usedPercent = usedPercent;
@@ -578,6 +599,9 @@ export function mergeXaiBillingSummaries(
     onDemandCapCents: primary.onDemandCapCents ?? fallback.onDemandCapCents,
     onDemandUsedCents: primary.onDemandUsedCents ?? fallback.onDemandUsedCents,
     onDemandUsedPercent: primary.onDemandUsedPercent ?? fallback.onDemandUsedPercent,
+    prepaidBalanceCents: primary.prepaidBalanceCents ?? fallback.prepaidBalanceCents,
+    planLabel: primary.planLabel ?? fallback.planLabel,
+    planTier: primary.planTier ?? fallback.planTier,
     billingPeriodStart: primary.billingPeriodStart ?? fallback.billingPeriodStart,
     billingPeriodEnd: primary.billingPeriodEnd ?? fallback.billingPeriodEnd,
     usedPercent: primary.usedPercent ?? fallback.usedPercent,
diff --git a/src/utils/quota/constants.ts b/src/utils/quota/constants.ts
index f0d2f61d..84af3878 100644
--- a/src/utils/quota/constants.ts
+++ b/src/utils/quota/constants.ts
@@ -154,6 +154,8 @@ export const KIMI_REQUEST_HEADERS = {
 // xAI/Grok API configuration
 export const XAI_BILLING_WEEKLY_URL = 'https://cli-chat-proxy.grok.com/v1/billing?format=credits';
 export const XAI_BILLING_MONTHLY_URL = 'https://cli-chat-proxy.grok.com/v1/billing';
+export const XAI_USER_URL = 'https://cli-chat-proxy.grok.com/v1/user?include=subscription';
+export const XAI_SETTINGS_URL = 'https://cli-chat-proxy.grok.com/v1/settings';
 export const XAI_API_ME_URL = 'https://api.x.ai/v1/me';
 export const XAI_API_CHAT_URL = 'https://api.x.ai/v1/chat/completions';
 export const XAI_PAID_HEALTH_MODEL = 'grok-4.5';
diff --git a/tests/xaiPaidQuotaFallback.test.ts b/tests/xaiPaidQuotaFallback.test.ts
index 8bf6d8c8..b26449cf 100644
--- a/tests/xaiPaidQuotaFallback.test.ts
+++ b/tests/xaiPaidQuotaFallback.test.ts
@@ -78,7 +78,8 @@ describe('xAI paid OAuth quota fallback', () => {
     );
 
     expect(requests.map((request) => request.url)).toEqual([XAI_API_ME_URL, XAI_API_CHAT_URL]);
-    expect(JSON.parse(requests[1]?.data ?? '{}')).toMatchObject({
+    const chatRequest = requests.find((request) => request.url === XAI_API_CHAT_URL);
+    expect(JSON.parse(chatRequest?.data ?? '{}')).toMatchObject({
       model: 'grok-4.5',
       max_tokens: 1,
       stream: false,
diff --git a/tests/xaiQuotaEnrichment.test.ts b/tests/xaiQuotaEnrichment.test.ts
new file mode 100644
index 00000000..fc238159
--- /dev/null
+++ b/tests/xaiQuotaEnrichment.test.ts
@@ -0,0 +1,124 @@
+import { afterEach, expect, test } from 'bun:test';
+import i18n from '@/i18n';
+import type { AuthFileItem } from '@/types';
+import { apiCallApi, type ApiCallResult } from '@/services/api';
+import { useQuotaStore } from '@/stores/useQuotaStore';
+import { XAI_CONFIG } from '@/features/quota/providers/xai/data';
+import type { QuotaAdapter } from '@/features/quota/providers';
+import { enrichQuotaInBackground } from '@/features/quota/quotaEnrichment';
+import { getQuotaCacheKey } from '@/utils/quota/identity';
+import { XAI_USER_URL, XAI_SETTINGS_URL, buildXaiBillingSummary } from '@/utils/quota';
+
+const originalRequest = apiCallApi.request;
+const file: AuthFileItem = { name: 'fixture.json', type: 'xai', auth_index: 'fixture' };
+const key = getQuotaCacheKey(file);
+const adapter = XAI_CONFIG as unknown as QuotaAdapter;
+const result = (body: unknown, statusCode = 200): ApiCallResult => ({
+  statusCode,
+  body,
+  bodyText: JSON.stringify(body),
+  header: {},
+});
+const billing = () =>
+  buildXaiBillingSummary({ monthlyLimit: { val: 15000 }, used: { val: 1500 } })!;
+const current = () => useQuotaStore.getState().xaiQuota[key];
+const deferred = () => {
+  let resolve!: (value: ApiCallResult) => void;
+  const promise = new Promise<ApiCallResult>((done) => {
+    resolve = done;
+  });
+  return { promise, resolve };
+};
+const beginEnrichment = () => {
+  const data = billing();
+  const state = XAI_CONFIG.buildSuccessState(data);
+  useQuotaStore.getState().setXaiQuota({ [key]: state });
+  const pending = enrichQuotaInBackground(adapter, file, data, state, i18n.t);
+  return { data, state, pending };
+};
+
+afterEach(() => {
+  apiCallApi.request = originalRequest;
+  useQuotaStore.getState().clearQuotaCache();
+});
+
+test('commits quota before requesting optional plan and updates it later', async () => {
+  const gate = deferred();
+  const urls: string[] = [];
+  apiCallApi.request = async (request, config) => {
+    urls.push(request.url);
+    if (request.url === XAI_USER_URL || request.url === XAI_SETTINGS_URL) {
+      expect(current()?.status).toBe('success');
+      expect(config?.timeout).toBe(8000);
+      return gate.promise;
+    }
+    return result({ config: { monthlyLimit: { val: 15000 }, used: { val: 1500 } } });
+  };
+  const data = await XAI_CONFIG.fetchQuota(file, i18n.t);
+  expect(urls).toHaveLength(2);
+  expect(urls).not.toContain(XAI_USER_URL);
+  const state = XAI_CONFIG.buildSuccessState(data);
+  useQuotaStore.getState().setXaiQuota({ [key]: state });
+  const pending = enrichQuotaInBackground(adapter, file, data, state, i18n.t);
+  expect(current()).toBe(state);
+  expect(current().billing?.planLabel).toBeUndefined();
+  gate.resolve(result({ subscription_tier_display: 'SuperGrok Heavy' }));
+  await pending;
+  expect(current().billing).toMatchObject({
+    ...data,
+    planLabel: 'SuperGrok Heavy',
+    planTier: 'elite',
+  });
+});
+
+for (const failure of ['network', 'http', 'malformed'] as const) {
+  test(`optional ${failure} failure preserves the exact original quota and fallback`, async () => {
+    apiCallApi.request = async () => {
+      if (failure === 'network') throw new Error('unavailable');
+      return failure === 'http' ? result({}, 503) : result('not-json');
+    };
+    const { state, pending } = beginEnrichment();
+    await pending;
+    expect(current()).toBe(state);
+  });
+}
+
+test('uses user tier when settings fails', async () => {
+  apiCallApi.request = async ({ url }) => {
+    if (url === XAI_SETTINGS_URL) throw new Error('unavailable');
+    return result({ subscriptionTier: 'SuperGrok' });
+  };
+  const { pending } = beginEnrichment();
+  await pending;
+  expect(current().billing).toMatchObject({ planLabel: 'SuperGrok', planTier: 'premium' });
+});
+
+for (const change of ['session', 'file', 'new-result', 'refresh'] as const) {
+  test(`late subscription cannot overwrite ${change}`, async () => {
+    const gate = deferred();
+    apiCallApi.request = async () => gate.promise;
+    const { pending } = beginEnrichment();
+    if (change === 'session') useQuotaStore.getState().clearQuotaCache();
+    if (change === 'file') useQuotaStore.getState().clearQuotaCache([file.name]);
+    if (change === 'new-result') {
+      useQuotaStore.getState().setXaiQuota({ [key]: XAI_CONFIG.buildSuccessState(billing()) });
+    }
+    if (change === 'refresh') {
+      useQuotaStore.getState().setXaiQuota({ [key]: XAI_CONFIG.buildLoadingState() });
+    }
+    const expected = current();
+    gate.resolve(result({ subscription_tier_display: 'SuperGrok Heavy' }));
+    await pending;
+    expect(current()).toBe(expected);
+  });
+}
+
+test('unrelated file invalidation does not discard a valid subscription', async () => {
+  const gate = deferred();
+  apiCallApi.request = async () => gate.promise;
+  const { pending } = beginEnrichment();
+  useQuotaStore.getState().clearQuotaCache(['other.json']);
+  gate.resolve(result({ subscription_tier_display: 'SuperGrok Heavy' }));
+  await pending;
+  expect(current().billing?.planLabel).toBe('SuperGrok Heavy');
+});
diff --git a/tests/xaiQuotaUnavailable.test.ts b/tests/xaiQuotaUnavailable.test.ts
index 1af3181f..35ef711c 100644
--- a/tests/xaiQuotaUnavailable.test.ts
+++ b/tests/xaiQuotaUnavailable.test.ts
@@ -15,8 +15,10 @@ import { XaiQuotaBody } from '@/features/quota/providers/xai/XaiQuotaBody';
 import { QUOTA_CLASS_KEYS, bindQuotaClasses } from '@/features/quota/types';
 import {
   buildXaiBillingSummary,
+  formatInstantShort,
   formatQuotaResetTime,
   mergeXaiBillingSummaries,
+  resolveXaiSubscriptionPlan,
 } from '@/utils/quota';
 import type { XaiBillingConfig, XaiQuotaState } from '@/types';
 
@@ -67,6 +69,26 @@ beforeAll(async () => {
   await i18n.changeLanguage('en');
 });
 
+describe('resolveXaiSubscriptionPlan', () => {
+  test('uses the settings display name and treats Heavy as the elite badge', () => {
+    expect(resolveXaiSubscriptionPlan('SuperGrokPro', 'SuperGrok Heavy')).toEqual({
+      label: 'SuperGrok Heavy',
+      tier: 'elite',
+    });
+  });
+
+  test('treats X Premium+ as the premium badge', () => {
+    expect(resolveXaiSubscriptionPlan('XPremiumPlus', 'X Premium+')).toEqual({
+      label: 'X Premium+',
+      tier: 'premium',
+    });
+  });
+
+  test('returns null when neither call produced a name', () => {
+    expect(resolveXaiSubscriptionPlan(null, '  ')).toBeNull();
+  });
+});
+
 describe('XaiQuotaBody unavailable weekly usage', () => {
   test('reports unavailable instead of a fabricated zero when usagePercent is missing', () => {
     const quota = quotaFor(weeklyConfig(), monthlyConfig());
@@ -151,6 +173,50 @@ describe('XaiQuotaBody unavailable weekly usage', () => {
     expect(markup).toContain('Monthly credits');
   });
 
+  test('shows the Grok subscription name and the weekly reset beside it', () => {
+    const quota = quotaFor(
+      weeklyConfig({
+        creditUsagePercent: 94,
+        prepaidBalance: { val: 250 },
+        productUsage: [
+          { product: 'GrokBuild', usagePercent: 93 },
+          { product: 'GrokChat', usagePercent: 1 },
+        ],
+      }),
+      monthlyConfig({ used: { val: 4 } })
+    );
+    if (!quota.billing) throw new Error('missing billing');
+    quota.billing.planLabel = 'SuperGrok Heavy';
+    quota.billing.planTier = 'elite';
+
+    const markup = render(quota);
+
+    expect(markup).toContain('elitePlanValue');
+    expect(markup).toContain('SuperGrok Heavy');
+    expect(markup).toContain('Resets');
+    expect(markup).toContain(formatInstantShort(Date.parse(WEEKLY_PERIOD_END)));
+    expect(markup).toContain('GrokChat usage');
+    expect(markup).toContain('Prepaid');
+    expect(markup).toContain('$2.50');
+    expect(markup).toContain('$0.00 / $0.00');
+  });
+
+  test('keeps monthly amount, percentage, and meter in the remaining direction', () => {
+    const markup = render(
+      quotaFor(
+        null,
+        monthlyConfig({
+          monthlyLimit: { val: 15000 },
+          used: { val: 1500 },
+        })
+      )
+    );
+    expect(markup).toContain('>90%<');
+    expect(markup).toContain('$135.00 / $150.00');
+    expect(markup).not.toContain('$15.00 / $150.00');
+    expect(markup).toContain('width:90%');
+  });
+
   test('keeps the monthly-only zero row when no weekly data exists', () => {
     const markup = render(quotaFor(null, monthlyConfig()));