feat(config): add antigravity credits visual toggle

fix(usage): match non-standard source ids
Include normalizeUsageSourceId(apiKey) in candidate ids so provider stats can match usage rows when source is classified as text (issue #198).
2026-06-16 21:03:58 +08:00 · 2026-04-12 00:41:53 +08:00 · 2026-04-11 23:35:47 +08:00 · 2026-04-11 16:47:34 +08:00 · 2026-04-11 13:34:15 +08:00 · 2026-04-11 13:20:44 +08:00
20 changed files with 957 additions and 242 deletions
@@ -936,6 +936,15 @@ export function VisualConfigEditor({
                disabled={disabled}
                onChange={(quotaSwitchPreviewModel) => onChange({ quotaSwitchPreviewModel })}
              />
+              <ToggleRow
+                title={t('config_management.visual.sections.quota.antigravity_credits')}
+                description={t(
+                  'config_management.visual.sections.quota.antigravity_credits_desc'
+                )}
+                checked={values.quotaAntigravityCredits}
+                disabled={disabled}
+                onChange={(quotaAntigravityCredits) => onChange({ quotaAntigravityCredits })}
+              />
            </SectionGrid>
          </ConfigSection>

@@ -733,6 +733,7 @@ const renderAntigravityItems = (
 };

 const PREMIUM_GEMINI_CLI_TIER_IDS = new Set(['g1-ultra-tier']);
+const PREMIUM_CODEX_PLAN_TYPES = new Set(['pro', 'prolite', 'pro-lite', 'pro_lite']);

 const renderCodexItems = (
  quota: CodexQuotaState,
@@ -748,6 +749,9 @@ const renderCodexItems = (
    const normalized = normalizePlanType(pt);
    if (!normalized) return null;
    if (normalized === 'pro') return t('codex_quota.plan_pro');
+    if (PREMIUM_CODEX_PLAN_TYPES.has(normalized) && normalized !== 'pro') {
+      return t('codex_quota.plan_prolite');
+    }
    if (normalized === 'plus') return t('codex_quota.plan_plus');
    if (normalized === 'team') return t('codex_quota.plan_team');
    if (normalized === 'free') return t('codex_quota.plan_free');
@@ -755,7 +759,7 @@ const renderCodexItems = (
  };

  const planLabel = getPlanLabel(planType);
-  const isPremiumPlan = normalizePlanType(planType) === 'pro';
+  const isPremiumPlan = PREMIUM_CODEX_PLAN_TYPES.has(normalizePlanType(planType) ?? '');
  const nodes: ReactNode[] = [];

  if (planLabel) {
@@ -1,17 +1,16 @@
 import { useState, useMemo } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Card } from '@/components/ui/Card';
-import { formatCompactNumber, formatUsd } from '@/utils/usage';
+import {
+  LATENCY_SOURCE_FIELD,
+  formatCompactNumber,
+  formatDurationMs,
+  formatUsd,
+  type ModelStatsSummary,
+} from '@/utils/usage';
 import styles from '@/pages/UsagePage.module.scss';

-export interface ModelStat {
-  model: string;
-  requests: number;
-  successCount: number;
-  failureCount: number;
-  tokens: number;
-  cost: number;
-}
+export type ModelStat = ModelStatsSummary;

 export interface ModelStatsCardProps {
  modelStats: ModelStat[];
@@ -19,7 +18,14 @@ export interface ModelStatsCardProps {
  hasPrices: boolean;
 }

-type SortKey = 'model' | 'requests' | 'tokens' | 'cost' | 'successRate';
+type SortKey =
+  | 'model'
+  | 'requests'
+  | 'tokens'
+  | 'cost'
+  | 'successRate'
+  | 'averageLatencyMs'
+  | 'totalLatencyMs';
 type SortDir = 'asc' | 'desc';

 interface ModelStatWithRate extends ModelStat {
@@ -30,6 +36,10 @@ export function ModelStatsCard({ modelStats, loading, hasPrices }: ModelStatsCar
  const { t } = useTranslation();
  const [sortKey, setSortKey] = useState<SortKey>('requests');
  const [sortDir, setSortDir] = useState<SortDir>('desc');
+  const latencyHint = t('usage_stats.latency_unit_hint', {
+    field: LATENCY_SOURCE_FIELD,
+    unit: t('usage_stats.duration_unit_ms'),
+  });

  const handleSort = (key: SortKey) => {
    if (sortKey === key) {
@@ -48,109 +58,159 @@ export function ModelStatsCard({ modelStats, loading, hasPrices }: ModelStatsCar
    const dir = sortDir === 'asc' ? 1 : -1;
    list.sort((a, b) => {
      if (sortKey === 'model') return dir * a.model.localeCompare(b.model);
-      return dir * ((a[sortKey] as number) - (b[sortKey] as number));
+      const left = a[sortKey];
+      const right = b[sortKey];
+      const leftValid = typeof left === 'number' && Number.isFinite(left);
+      const rightValid = typeof right === 'number' && Number.isFinite(right);
+
+      if (!leftValid && !rightValid) return 0;
+      if (!leftValid) return 1;
+      if (!rightValid) return -1;
+      return dir * (left - right);
    });
    return list;
  }, [modelStats, sortKey, sortDir]);

-  const arrow = (key: SortKey) =>
-    sortKey === key ? (sortDir === 'asc' ? ' ▲' : ' ▼') : '';
+  const arrow = (key: SortKey) => (sortKey === key ? (sortDir === 'asc' ? ' ▲' : ' ▼') : '');
  const ariaSort = (key: SortKey): 'none' | 'ascending' | 'descending' =>
    sortKey === key ? (sortDir === 'asc' ? 'ascending' : 'descending') : 'none';
+  const hasLatencyData = sorted.some((stat) => stat.latencySampleCount > 0);

  return (
    <Card title={t('usage_stats.models')} className={styles.detailsFixedCard}>
      {loading ? (
        <div className={styles.hint}>{t('common.loading')}</div>
      ) : sorted.length > 0 ? (
-        <div className={styles.detailsScroll}>
-          <div className={styles.tableWrapper}>
-            <table className={styles.table}>
-              <thead>
-                <tr>
-                  <th className={styles.sortableHeader} aria-sort={ariaSort('model')}>
-                    <button
-                      type="button"
-                      className={styles.sortHeaderButton}
-                      onClick={() => handleSort('model')}
-                    >
-                      {t('usage_stats.model_name')}{arrow('model')}
-                    </button>
-                  </th>
-                  <th className={styles.sortableHeader} aria-sort={ariaSort('requests')}>
-                    <button
-                      type="button"
-                      className={styles.sortHeaderButton}
-                      onClick={() => handleSort('requests')}
-                    >
-                      {t('usage_stats.requests_count')}{arrow('requests')}
-                    </button>
-                  </th>
-                  <th className={styles.sortableHeader} aria-sort={ariaSort('tokens')}>
-                    <button
-                      type="button"
-                      className={styles.sortHeaderButton}
-                      onClick={() => handleSort('tokens')}
-                    >
-                      {t('usage_stats.tokens_count')}{arrow('tokens')}
-                    </button>
-                  </th>
-                  <th className={styles.sortableHeader} aria-sort={ariaSort('successRate')}>
-                    <button
-                      type="button"
-                      className={styles.sortHeaderButton}
-                      onClick={() => handleSort('successRate')}
-                    >
-                      {t('usage_stats.success_rate')}{arrow('successRate')}
-                    </button>
-                  </th>
-                  {hasPrices && (
-                    <th className={styles.sortableHeader} aria-sort={ariaSort('cost')}>
+        <>
+          {hasLatencyData && <div className={styles.detailsNote}>{latencyHint}</div>}
+          <div className={styles.detailsScroll}>
+            <div className={styles.tableWrapper}>
+              <table className={styles.table}>
+                <thead>
+                  <tr>
+                    <th className={styles.sortableHeader} aria-sort={ariaSort('model')}>
                      <button
                        type="button"
                        className={styles.sortHeaderButton}
-                        onClick={() => handleSort('cost')}
+                        onClick={() => handleSort('model')}
                      >
-                        {t('usage_stats.total_cost')}{arrow('cost')}
+                        {t('usage_stats.model_name')}
+                        {arrow('model')}
                      </button>
                    </th>
-                  )}
-                </tr>
-              </thead>
-              <tbody>
-                {sorted.map((stat) => (
-                  <tr key={stat.model}>
-                    <td className={styles.modelCell}>{stat.model}</td>
-                    <td>
-                      <span className={styles.requestCountCell}>
-                        <span>{stat.requests.toLocaleString()}</span>
-                        <span className={styles.requestBreakdown}>
-                          (<span className={styles.statSuccess}>{stat.successCount.toLocaleString()}</span>{' '}
-                          <span className={styles.statFailure}>{stat.failureCount.toLocaleString()}</span>)
-                        </span>
-                      </span>
-                    </td>
-                    <td>{formatCompactNumber(stat.tokens)}</td>
-                    <td>
-                      <span
-                        className={
-                          stat.successRate >= 95
-                            ? styles.statSuccess
-                            : stat.successRate >= 80
-                              ? styles.statNeutral
-                              : styles.statFailure
-                        }
+                    <th className={styles.sortableHeader} aria-sort={ariaSort('requests')}>
+                      <button
+                        type="button"
+                        className={styles.sortHeaderButton}
+                        onClick={() => handleSort('requests')}
                      >
-                        {stat.successRate.toFixed(1)}%
-                      </span>
-                    </td>
-                    {hasPrices && <td>{stat.cost > 0 ? formatUsd(stat.cost) : '--'}</td>}
+                        {t('usage_stats.requests_count')}
+                        {arrow('requests')}
+                      </button>
+                    </th>
+                    <th className={styles.sortableHeader} aria-sort={ariaSort('tokens')}>
+                      <button
+                        type="button"
+                        className={styles.sortHeaderButton}
+                        onClick={() => handleSort('tokens')}
+                      >
+                        {t('usage_stats.tokens_count')}
+                        {arrow('tokens')}
+                      </button>
+                    </th>
+                    <th className={styles.sortableHeader} aria-sort={ariaSort('averageLatencyMs')}>
+                      <button
+                        type="button"
+                        className={styles.sortHeaderButton}
+                        onClick={() => handleSort('averageLatencyMs')}
+                        title={latencyHint}
+                      >
+                        {t('usage_stats.avg_time')}
+                        {arrow('averageLatencyMs')}
+                      </button>
+                    </th>
+                    <th className={styles.sortableHeader} aria-sort={ariaSort('totalLatencyMs')}>
+                      <button
+                        type="button"
+                        className={styles.sortHeaderButton}
+                        onClick={() => handleSort('totalLatencyMs')}
+                        title={latencyHint}
+                      >
+                        {t('usage_stats.total_time')}
+                        {arrow('totalLatencyMs')}
+                      </button>
+                    </th>
+                    <th className={styles.sortableHeader} aria-sort={ariaSort('successRate')}>
+                      <button
+                        type="button"
+                        className={styles.sortHeaderButton}
+                        onClick={() => handleSort('successRate')}
+                      >
+                        {t('usage_stats.success_rate')}
+                        {arrow('successRate')}
+                      </button>
+                    </th>
+                    {hasPrices && (
+                      <th className={styles.sortableHeader} aria-sort={ariaSort('cost')}>
+                        <button
+                          type="button"
+                          className={styles.sortHeaderButton}
+                          onClick={() => handleSort('cost')}
+                        >
+                          {t('usage_stats.total_cost')}
+                          {arrow('cost')}
+                        </button>
+                      </th>
+                    )}
                  </tr>
-                ))}
-              </tbody>
-            </table>
+                </thead>
+                <tbody>
+                  {sorted.map((stat) => (
+                    <tr key={stat.model}>
+                      <td className={styles.modelCell}>{stat.model}</td>
+                      <td>
+                        <span className={styles.requestCountCell}>
+                          <span>{stat.requests.toLocaleString()}</span>
+                          <span className={styles.requestBreakdown}>
+                            (
+                            <span className={styles.statSuccess}>
+                              {stat.successCount.toLocaleString()}
+                            </span>{' '}
+                            <span className={styles.statFailure}>
+                              {stat.failureCount.toLocaleString()}
+                            </span>
+                            )
+                          </span>
+                        </span>
+                      </td>
+                      <td>{formatCompactNumber(stat.tokens)}</td>
+                      <td className={styles.durationCell}>
+                        {formatDurationMs(stat.averageLatencyMs)}
+                      </td>
+                      <td className={styles.durationCell}>
+                        {formatDurationMs(stat.totalLatencyMs)}
+                      </td>
+                      <td>
+                        <span
+                          className={
+                            stat.successRate >= 95
+                              ? styles.statSuccess
+                              : stat.successRate >= 80
+                                ? styles.statNeutral
+                                : styles.statFailure
+                          }
+                        >
+                          {stat.successRate.toFixed(1)}%
+                        </span>
+                      </td>
+                      {hasPrices && <td>{stat.cost > 0 ? formatUsd(stat.cost) : '--'}</td>}
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
+            </div>
          </div>
-        </div>
+        </>
      ) : (
        <div className={styles.hint}>{t('usage_stats.no_data')}</div>
      )}
@@ -11,8 +11,11 @@ import type { CredentialInfo } from '@/types/sourceInfo';
 import { buildSourceInfoMap, resolveSourceDisplay } from '@/utils/sourceResolver';
 import {
  collectUsageDetails,
+  extractLatencyMs,
  extractTotalTokens,
-  normalizeAuthIndex
+  formatDurationMs,
+  LATENCY_SOURCE_FIELD,
+  normalizeAuthIndex,
 } from '@/utils/usage';
 import { downloadBlob } from '@/utils/download';
 import styles from '@/pages/UsagePage.module.scss';
@@ -31,6 +34,7 @@ type RequestEventRow = {
  sourceType: string;
  authIndex: string;
  failed: boolean;
+  latencyMs: number | null;
  inputTokens: number;
  outputTokens: number;
  reasoningTokens: number;
@@ -68,9 +72,13 @@ export function RequestEventsDetailsCard({
  claudeConfigs,
  codexConfigs,
  vertexConfigs,
-  openaiProviders
+  openaiProviders,
 }: RequestEventsDetailsCardProps) {
  const { t, i18n } = useTranslation();
+  const latencyHint = t('usage_stats.latency_unit_hint', {
+    field: LATENCY_SOURCE_FIELD,
+    unit: t('usage_stats.duration_unit_ms'),
+  });

  const [modelFilter, setModelFilter] = useState(ALL_FILTER);
  const [sourceFilter, setSourceFilter] = useState(ALL_FILTER);
@@ -91,7 +99,7 @@ export function RequestEventsDetailsCard({
          if (!key) return;
          map.set(key, {
            name: file.name || key,
-            type: (file.type || file.provider || '').toString()
+            type: (file.type || file.provider || '').toString(),
          });
        });
        setAuthFileMap(map);
@@ -131,7 +139,12 @@ export function RequestEventsDetailsCard({
          authIndexRaw === null || authIndexRaw === undefined || authIndexRaw === ''
            ? '-'
            : String(authIndexRaw);
-        const sourceInfo = resolveSourceDisplay(sourceRaw, authIndexRaw, sourceInfoMap, authFileMap);
+        const sourceInfo = resolveSourceDisplay(
+          sourceRaw,
+          authIndexRaw,
+          sourceInfoMap,
+          authFileMap
+        );
        const source = sourceInfo.displayName;
        const sourceType = sourceInfo.type;
        const model = String(detail.__modelName ?? '').trim() || '-';
@@ -146,6 +159,7 @@ export function RequestEventsDetailsCard({
          toNumber(detail.tokens?.total_tokens),
          extractTotalTokens(detail)
        );
+        const latencyMs = extractLatencyMs(detail);

        return {
          id: `${timestamp}-${model}-${sourceRaw || source}-${authIndex}-${index}`,
@@ -158,23 +172,26 @@ export function RequestEventsDetailsCard({
          sourceType,
          authIndex,
          failed: detail.failed === true,
+          latencyMs,
          inputTokens,
          outputTokens,
          reasoningTokens,
          cachedTokens,
-          totalTokens
+          totalTokens,
        };
      })
      .sort((a, b) => b.timestampMs - a.timestampMs);
  }, [authFileMap, i18n.language, sourceInfoMap, usage]);

+  const hasLatencyData = useMemo(() => rows.some((row) => row.latencyMs !== null), [rows]);
+
  const modelOptions = useMemo(
    () => [
      { value: ALL_FILTER, label: t('usage_stats.filter_all') },
      ...Array.from(new Set(rows.map((row) => row.model))).map((model) => ({
        value: model,
-        label: model
-      }))
+        label: model,
+      })),
    ],
    [rows, t]
  );
@@ -184,8 +201,8 @@ export function RequestEventsDetailsCard({
      { value: ALL_FILTER, label: t('usage_stats.filter_all') },
      ...Array.from(new Set(rows.map((row) => row.source))).map((source) => ({
        value: source,
-        label: source
-      }))
+        label: source,
+      })),
    ],
    [rows, t]
  );
@@ -195,8 +212,8 @@ export function RequestEventsDetailsCard({
      { value: ALL_FILTER, label: t('usage_stats.filter_all') },
      ...Array.from(new Set(rows.map((row) => row.authIndex))).map((authIndex) => ({
        value: authIndex,
-        label: authIndex
-      }))
+        label: authIndex,
+      })),
    ],
    [rows, t]
  );
@@ -223,8 +240,10 @@ export function RequestEventsDetailsCard({
  const filteredRows = useMemo(
    () =>
      rows.filter((row) => {
-        const modelMatched = effectiveModelFilter === ALL_FILTER || row.model === effectiveModelFilter;
-        const sourceMatched = effectiveSourceFilter === ALL_FILTER || row.source === effectiveSourceFilter;
+        const modelMatched =
+          effectiveModelFilter === ALL_FILTER || row.model === effectiveModelFilter;
+        const sourceMatched =
+          effectiveSourceFilter === ALL_FILTER || row.source === effectiveSourceFilter;
        const authIndexMatched =
          effectiveAuthIndexFilter === ALL_FILTER || row.authIndex === effectiveAuthIndexFilter;
        return modelMatched && sourceMatched && authIndexMatched;
@@ -232,10 +251,7 @@ export function RequestEventsDetailsCard({
    [effectiveAuthIndexFilter, effectiveModelFilter, effectiveSourceFilter, rows]
  );

-  const renderedRows = useMemo(
-    () => filteredRows.slice(0, MAX_RENDERED_EVENTS),
-    [filteredRows]
-  );
+  const renderedRows = useMemo(() => filteredRows.slice(0, MAX_RENDERED_EVENTS), [filteredRows]);

  const hasActiveFilters =
    effectiveModelFilter !== ALL_FILTER ||
@@ -258,11 +274,12 @@ export function RequestEventsDetailsCard({
      'source_raw',
      'auth_index',
      'result',
+      ...(hasLatencyData ? ['latency_ms'] : []),
      'input_tokens',
      'output_tokens',
      'reasoning_tokens',
      'cached_tokens',
-      'total_tokens'
+      'total_tokens',
    ];

    const csvRows = filteredRows.map((row) =>
@@ -273,11 +290,12 @@ export function RequestEventsDetailsCard({
        row.sourceRaw,
        row.authIndex,
        row.failed ? 'failed' : 'success',
+        ...(hasLatencyData ? [row.latencyMs ?? ''] : []),
        row.inputTokens,
        row.outputTokens,
        row.reasoningTokens,
        row.cachedTokens,
-        row.totalTokens
+        row.totalTokens,
      ]
        .map((value) => encodeCsv(value))
        .join(',')
@@ -287,7 +305,7 @@ export function RequestEventsDetailsCard({
    const fileTime = new Date().toISOString().replace(/[:.]/g, '-');
    downloadBlob({
      filename: `usage-events-${fileTime}.csv`,
-      blob: new Blob([content], { type: 'text/csv;charset=utf-8' })
+      blob: new Blob([content], { type: 'text/csv;charset=utf-8' }),
    });
  };

@@ -301,20 +319,21 @@ export function RequestEventsDetailsCard({
      source_raw: row.sourceRaw,
      auth_index: row.authIndex,
      failed: row.failed,
+      ...(hasLatencyData && row.latencyMs !== null ? { latency_ms: row.latencyMs } : {}),
      tokens: {
        input_tokens: row.inputTokens,
        output_tokens: row.outputTokens,
        reasoning_tokens: row.reasoningTokens,
        cached_tokens: row.cachedTokens,
-        total_tokens: row.totalTokens
-      }
+        total_tokens: row.totalTokens,
+      },
    }));

    const content = JSON.stringify(payload, null, 2);
    const fileTime = new Date().toISOString().replace(/[:.]/g, '-');
    downloadBlob({
      filename: `usage-events-${fileTime}.json`,
-      blob: new Blob([content], { type: 'application/json;charset=utf-8' })
+      blob: new Blob([content], { type: 'application/json;charset=utf-8' }),
    });
  };

@@ -408,11 +427,12 @@ export function RequestEventsDetailsCard({
        <>
          <div className={styles.requestEventsMeta}>
            <span>{t('usage_stats.request_events_count', { count: filteredRows.length })}</span>
+            {hasLatencyData && <span className={styles.requestEventsLimitHint}>{latencyHint}</span>}
            {filteredRows.length > MAX_RENDERED_EVENTS && (
              <span className={styles.requestEventsLimitHint}>
                {t('usage_stats.request_events_limit_hint', {
                  shown: MAX_RENDERED_EVENTS,
-                  total: filteredRows.length
+                  total: filteredRows.length,
                })}
              </span>
            )}
@@ -427,6 +447,7 @@ export function RequestEventsDetailsCard({
                  <th>{t('usage_stats.request_events_source')}</th>
                  <th>{t('usage_stats.request_events_auth_index')}</th>
                  <th>{t('usage_stats.request_events_result')}</th>
+                  {hasLatencyData && <th title={latencyHint}>{t('usage_stats.time')}</th>}
                  <th>{t('usage_stats.input_tokens')}</th>
                  <th>{t('usage_stats.output_tokens')}</th>
                  <th>{t('usage_stats.reasoning_tokens')}</th>
@@ -452,11 +473,18 @@ export function RequestEventsDetailsCard({
                    </td>
                    <td>
                      <span
-                        className={row.failed ? styles.requestEventsResultFailed : styles.requestEventsResultSuccess}
+                        className={
+                          row.failed
+                            ? styles.requestEventsResultFailed
+                            : styles.requestEventsResultSuccess
+                        }
                      >
                        {row.failed ? t('stats.failure') : t('stats.success')}
                      </span>
                    </td>
+                    {hasLatencyData && (
+                      <td className={styles.durationCell}>{formatDurationMs(row.latencyMs)}</td>
+                    )}
                    <td>{row.inputTokens.toLocaleString()}</td>
                    <td>{row.outputTokens.toLocaleString()}</td>
                    <td>{row.reasoningTokens.toLocaleString()}</td>
@@ -1,15 +1,24 @@
 import { useMemo, type CSSProperties, type ReactNode } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Line } from 'react-chartjs-2';
-import { IconDiamond, IconDollarSign, IconSatellite, IconTimer, IconTrendingUp } from '@/components/ui/icons';
 import {
+  IconDiamond,
+  IconDollarSign,
+  IconSatellite,
+  IconTimer,
+  IconTrendingUp,
+} from '@/components/ui/icons';
+import {
+  LATENCY_SOURCE_FIELD,
+  calculateLatencyStatsFromDetails,
+  calculateCost,
  formatCompactNumber,
+  formatDurationMs,
  formatPerMinuteValue,
  formatUsd,
-  calculateCost,
  collectUsageDetails,
  extractTotalTokens,
-  type ModelPrice
+  type ModelPrice,
 } from '@/utils/usage';
 import { sparklineOptions } from '@/utils/usage/chartConfig';
 import type { UsagePayload } from './hooks/useUsageData';
@@ -44,20 +53,31 @@ export interface StatCardsProps {

 export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: StatCardsProps) {
  const { t } = useTranslation();
+  const latencyHint = t('usage_stats.latency_unit_hint', {
+    field: LATENCY_SOURCE_FIELD,
+    unit: t('usage_stats.duration_unit_ms'),
+  });

  const hasPrices = Object.keys(modelPrices).length > 0;

-  const { tokenBreakdown, rateStats, totalCost } = useMemo(() => {
+  const { tokenBreakdown, rateStats, totalCost, latencyStats } = useMemo(() => {
    const empty = {
      tokenBreakdown: { cachedTokens: 0, reasoningTokens: 0 },
      rateStats: { rpm: 0, tpm: 0, windowMinutes: 30, requestCount: 0, tokenCount: 0 },
-      totalCost: 0
+      totalCost: 0,
+      latencyStats: {
+        averageMs: null as number | null,
+        totalMs: null as number | null,
+        sampleCount: 0,
+      },
    };

    if (!usage) return empty;
    const details = collectUsageDetails(usage);
    if (!details.length) return empty;

+    const latencyStats = calculateLatencyStatsFromDetails(details);
+
    let cachedTokens = 0;
    let reasoningTokens = 0;
    let totalCost = 0;
@@ -80,7 +100,12 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
      }

      const timestamp = detail.__timestampMs ?? 0;
-      if (hasValidNow && Number.isFinite(timestamp) && timestamp >= windowStart && timestamp <= now) {
+      if (
+        hasValidNow &&
+        Number.isFinite(timestamp) &&
+        timestamp >= windowStart &&
+        timestamp <= now
+      ) {
        requestCount += 1;
        tokenCount += extractTotalTokens(detail);
      }
@@ -98,9 +123,10 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
        tpm: tokenCount / denominator,
        windowMinutes,
        requestCount,
-        tokenCount
+        tokenCount,
      },
-      totalCost
+      totalCost,
+      latencyStats,
    };
  }, [hasPrices, modelPrices, nowMs, usage]);

@@ -123,9 +149,15 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
            <span className={styles.statMetaDot} style={{ backgroundColor: '#c65746' }} />
            {t('usage_stats.failed_requests')}: {loading ? '-' : (usage?.failure_count ?? 0)}
          </span>
+          {latencyStats.sampleCount > 0 && (
+            <span className={styles.statMetaItem} title={latencyHint}>
+              {t('usage_stats.avg_time')}:{' '}
+              {loading ? '-' : formatDurationMs(latencyStats.averageMs)}
+            </span>
+          )}
        </>
      ),
-      trend: sparklines.requests
+      trend: sparklines.requests,
    },
    {
      key: 'tokens',
@@ -138,14 +170,16 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
      meta: (
        <>
          <span className={styles.statMetaItem}>
-            {t('usage_stats.cached_tokens')}: {loading ? '-' : formatCompactNumber(tokenBreakdown.cachedTokens)}
+            {t('usage_stats.cached_tokens')}:{' '}
+            {loading ? '-' : formatCompactNumber(tokenBreakdown.cachedTokens)}
          </span>
          <span className={styles.statMetaItem}>
-            {t('usage_stats.reasoning_tokens')}: {loading ? '-' : formatCompactNumber(tokenBreakdown.reasoningTokens)}
+            {t('usage_stats.reasoning_tokens')}:{' '}
+            {loading ? '-' : formatCompactNumber(tokenBreakdown.reasoningTokens)}
          </span>
        </>
      ),
-      trend: sparklines.tokens
+      trend: sparklines.tokens,
    },
    {
      key: 'rpm',
@@ -157,10 +191,11 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
      value: loading ? '-' : formatPerMinuteValue(rateStats.rpm),
      meta: (
        <span className={styles.statMetaItem}>
-          {t('usage_stats.total_requests')}: {loading ? '-' : rateStats.requestCount.toLocaleString()}
+          {t('usage_stats.total_requests')}:{' '}
+          {loading ? '-' : rateStats.requestCount.toLocaleString()}
        </span>
      ),
-      trend: sparklines.rpm
+      trend: sparklines.rpm,
    },
    {
      key: 'tpm',
@@ -172,10 +207,11 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
      value: loading ? '-' : formatPerMinuteValue(rateStats.tpm),
      meta: (
        <span className={styles.statMetaItem}>
-          {t('usage_stats.total_tokens')}: {loading ? '-' : formatCompactNumber(rateStats.tokenCount)}
+          {t('usage_stats.total_tokens')}:{' '}
+          {loading ? '-' : formatCompactNumber(rateStats.tokenCount)}
        </span>
      ),
-      trend: sparklines.tpm
+      trend: sparklines.tpm,
    },
    {
      key: 'cost',
@@ -188,7 +224,8 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
      meta: (
        <>
          <span className={styles.statMetaItem}>
-            {t('usage_stats.total_tokens')}: {loading ? '-' : formatCompactNumber(usage?.total_tokens ?? 0)}
+            {t('usage_stats.total_tokens')}:{' '}
+            {loading ? '-' : formatCompactNumber(usage?.total_tokens ?? 0)}
          </span>
          {!hasPrices && (
            <span className={`${styles.statMetaItem} ${styles.statSubtle}`}>
@@ -197,8 +234,8 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
          )}
        </>
      ),
-      trend: hasPrices ? sparklines.cost : null
-    }
+      trend: hasPrices ? sparklines.cost : null,
+    },
  ];

  return (
@@ -211,7 +248,7 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
            {
              '--accent': card.accent,
              '--accent-soft': card.accentSoft,
-              '--accent-border': card.accentBorder
+              '--accent-border': card.accentBorder,
            } as CSSProperties
          }
        >
@@ -225,7 +262,11 @@ export function StatCards({ usage, loading, modelPrices, nowMs, sparklines }: St
          {card.meta && <div className={styles.statMetaRow}>{card.meta}</div>}
          <div className={styles.statTrend}>
            {card.trend ? (
-              <Line className={styles.sparkline} data={card.trend.data} options={sparklineOptions} />
+              <Line
+                className={styles.sparkline}
+                data={card.trend.data}
+                options={sparklineOptions}
+              />
            ) : (
              <div className={styles.statTrendPlaceholder}></div>
            )}
@@ -65,7 +65,13 @@ export function AuthFilesPrefixProxyEditorModal(props: AuthFilesPrefixProxyEdito
          <Button
            onClick={onSave}
            loading={editor?.saving === true}
-            disabled={disableControls || editor?.saving === true || !dirty || !editor?.json}
+            disabled={
+              disableControls ||
+              editor?.saving === true ||
+              !dirty ||
+              !editor?.json ||
+              Boolean(editor?.headersTouched && editor.headersError)
+            }
          >
            {t('common.save')}
          </Button>
@@ -138,6 +144,20 @@ export function AuthFilesPrefixProxyEditorModal(props: AuthFilesPrefixProxyEdito
                  />
                  <div className="hint">{t('auth_files.excluded_models_hint')}</div>
                </div>
+                <div className="form-group">
+                  <label>{t('auth_files.headers_label')}</label>
+                  <textarea
+                    className={`input ${editor.headersError ? styles.prefixProxyTextareaInvalid : ''}`}
+                    value={editor.headersText}
+                    placeholder={t('auth_files.headers_placeholder')}
+                    rows={4}
+                    aria-invalid={Boolean(editor.headersError)}
+                    disabled={disableControls || editor.saving || !editor.json}
+                    onChange={(e) => onChange('headersText', e.target.value)}
+                  />
+                  {editor.headersError && <div className="error-box">{editor.headersError}</div>}
+                  <div className="hint">{t('auth_files.headers_hint')}</div>
+                </div>
                <Input
                  label={t('auth_files.disable_cooling_label')}
                  value={editor.disableCooling}
@@ -14,6 +14,12 @@ import {
  readCodexAuthFileWebsockets,
 } from '@/features/authFiles/constants';

+type AuthFileHeaders = Record<string, string>;
+type AuthFileHeadersErrorKey =
+  | 'auth_files.headers_invalid_json'
+  | 'auth_files.headers_invalid_object'
+  | 'auth_files.headers_invalid_value';
+
 export type PrefixProxyEditorField =
  | 'prefix'
  | 'proxyUrl'
@@ -21,7 +27,8 @@ export type PrefixProxyEditorField =
  | 'excludedModelsText'
  | 'disableCooling'
  | 'websockets'
-  | 'note';
+  | 'note'
+  | 'headersText';

 export type PrefixProxyEditorFieldValue = string | boolean;

@@ -43,6 +50,9 @@ export type PrefixProxyEditorState = {
  websockets: boolean;
  note: string;
  noteTouched: boolean;
+  headersText: string;
+  headersTouched: boolean;
+  headersError: string | null;
 };

 export type UseAuthFilesPrefixProxyEditorOptions = {
@@ -64,7 +74,45 @@ export type UseAuthFilesPrefixProxyEditorResult = {
  handlePrefixProxySave: () => Promise<void>;
 };

-const buildPrefixProxyUpdatedText = (editor: PrefixProxyEditorState | null): string => {
+const isRecordObject = (value: unknown): value is Record<string, unknown> =>
+  Boolean(value) && typeof value === 'object' && !Array.isArray(value);
+
+const validateHeadersValue = (value: unknown): AuthFileHeadersErrorKey | null => {
+  if (!isRecordObject(value)) {
+    return 'auth_files.headers_invalid_object';
+  }
+  return Object.values(value).every((item) => typeof item === 'string')
+    ? null
+    : 'auth_files.headers_invalid_value';
+};
+
+const parseHeadersText = (
+  text: string
+): { value: AuthFileHeaders | null; errorKey: AuthFileHeadersErrorKey | null } => {
+  const trimmed = text.trim();
+  if (!trimmed) {
+    return { value: null, errorKey: null };
+  }
+
+  let parsed: unknown;
+  try {
+    parsed = JSON.parse(text) as unknown;
+  } catch {
+    return { value: null, errorKey: 'auth_files.headers_invalid_json' };
+  }
+
+  const errorKey = validateHeadersValue(parsed);
+  if (errorKey) {
+    return { value: null, errorKey };
+  }
+
+  return { value: parsed as AuthFileHeaders, errorKey: null };
+};
+
+const buildPrefixProxyUpdatedText = (
+  editor: PrefixProxyEditorState | null,
+  resolveHeadersError: (key: AuthFileHeadersErrorKey) => string
+): string => {
  if (!editor?.json) return editor?.rawText ?? '';
  const next: Record<string, unknown> = { ...editor.json };
  if ('prefix' in next || editor.prefix.trim()) {
@@ -104,6 +152,18 @@ const buildPrefixProxyUpdatedText = (editor: PrefixProxyEditorState | null): str
    }
  }

+  if (editor.headersTouched) {
+    const { value: parsedHeaders, errorKey } = parseHeadersText(editor.headersText);
+    if (errorKey) {
+      throw new Error(resolveHeadersError(errorKey));
+    }
+    if (parsedHeaders) {
+      next.headers = parsedHeaders;
+    } else {
+      delete next.headers;
+    }
+  }
+
  return JSON.stringify(
    editor.isCodexFile ? applyCodexAuthFileWebsockets(next, editor.websockets) : next
  );
@@ -118,11 +178,18 @@ export function useAuthFilesPrefixProxyEditor(

  const [prefixProxyEditor, setPrefixProxyEditor] = useState<PrefixProxyEditorState | null>(null);

-  const prefixProxyUpdatedText = buildPrefixProxyUpdatedText(prefixProxyEditor);
+  const hasBlockingValidationError = Boolean(
+    prefixProxyEditor?.headersTouched && prefixProxyEditor.headersError
+  );
+  const prefixProxyUpdatedText =
+    prefixProxyEditor?.json && !hasBlockingValidationError
+      ? buildPrefixProxyUpdatedText(prefixProxyEditor, (key) => t(key))
+      : '';
+
  const prefixProxyDirty =
    Boolean(prefixProxyEditor?.json) &&
    Boolean(prefixProxyEditor?.originalText) &&
-    prefixProxyUpdatedText !== prefixProxyEditor?.originalText;
+    (prefixProxyUpdatedText === '' || prefixProxyUpdatedText !== prefixProxyEditor?.originalText);

  const closePrefixProxyEditor = () => {
    setPrefixProxyEditor(null);
@@ -162,6 +229,9 @@ export function useAuthFilesPrefixProxyEditor(
      websockets: false,
      note: '',
      noteTouched: false,
+      headersText: '',
+      headersTouched: false,
+      headersError: null,
    });

    try {
@@ -213,6 +283,14 @@ export function useAuthFilesPrefixProxyEditor(
      const disableCoolingValue = parseDisableCoolingValue(json.disable_cooling);
      const websocketsValue = readCodexAuthFileWebsockets(json);
      const note = typeof json.note === 'string' ? json.note : '';
+      const headers = json.headers;
+      let headersText = '';
+      let headersError: string | null = null;
+      if (headers !== undefined) {
+        headersText = JSON.stringify(headers, null, 2);
+        const { errorKey } = parseHeadersText(headersText);
+        headersError = errorKey ? t(errorKey) : null;
+      }

      setPrefixProxyEditor((prev) => {
        if (!prev || prev.fileName !== name) return prev;
@@ -231,6 +309,9 @@ export function useAuthFilesPrefixProxyEditor(
          websockets: websocketsValue,
          note,
          noteTouched: false,
+          headersText,
+          headersTouched: false,
+          headersError,
          error: null,
        };
      });
@@ -256,6 +337,16 @@ export function useAuthFilesPrefixProxyEditor(
      if (field === 'excludedModelsText') return { ...prev, excludedModelsText: String(value) };
      if (field === 'disableCooling') return { ...prev, disableCooling: String(value) };
      if (field === 'note') return { ...prev, note: String(value), noteTouched: true };
+      if (field === 'headersText') {
+        const headersText = String(value);
+        const { errorKey } = parseHeadersText(headersText);
+        return {
+          ...prev,
+          headersText,
+          headersTouched: true,
+          headersError: errorKey ? t(errorKey) : null,
+        };
+      }
      return { ...prev, websockets: Boolean(value) };
    });
  };
@@ -265,7 +356,15 @@ export function useAuthFilesPrefixProxyEditor(
    if (!prefixProxyDirty) return;

    const name = prefixProxyEditor.fileName;
-    const payload = prefixProxyUpdatedText;
+    let payload = '';
+    try {
+      payload = buildPrefixProxyUpdatedText(prefixProxyEditor, (key) => t(key));
+    } catch (err: unknown) {
+      const errorMessage = err instanceof Error ? err.message : 'Invalid format';
+      showNotification(errorMessage, 'error');
+      return;
+    }
+
    const fileSize = new Blob([payload]).size;
    if (fileSize > MAX_AUTH_FILE_SIZE) {
      showNotification(
@@ -647,6 +647,12 @@ function getNextDirtyFields(
      nextValues.quotaSwitchPreviewModel === baselineValues.quotaSwitchPreviewModel
    );
  }
+  if (Object.prototype.hasOwnProperty.call(patch, 'quotaAntigravityCredits')) {
+    updateDirty(
+      'quotaAntigravityCredits',
+      nextValues.quotaAntigravityCredits === baselineValues.quotaAntigravityCredits
+    );
+  }
  if (Object.prototype.hasOwnProperty.call(patch, 'routingStrategy')) {
    updateDirty('routingStrategy', nextValues.routingStrategy === baselineValues.routingStrategy);
  }
@@ -827,6 +833,7 @@ export function useVisualConfig() {

        quotaSwitchProject: Boolean(quotaExceeded?.['switch-project'] ?? true),
        quotaSwitchPreviewModel: Boolean(quotaExceeded?.['switch-preview-model'] ?? true),
+        quotaAntigravityCredits: Boolean(quotaExceeded?.['antigravity-credits'] ?? true),

        routingStrategy: routing?.strategy === 'fill-first' ? 'fill-first' : 'round-robin',

@@ -929,11 +936,16 @@ export function useVisualConfig() {
        if (
          docHas(doc, ['quota-exceeded']) ||
          !values.quotaSwitchProject ||
-          !values.quotaSwitchPreviewModel
+          !values.quotaSwitchPreviewModel ||
+          !values.quotaAntigravityCredits
        ) {
          ensureMapInDoc(doc, ['quota-exceeded']);
          doc.setIn(['quota-exceeded', 'switch-project'], values.quotaSwitchProject);
          doc.setIn(['quota-exceeded', 'switch-preview-model'], values.quotaSwitchPreviewModel);
+          doc.setIn(
+            ['quota-exceeded', 'antigravity-credits'],
+            values.quotaAntigravityCredits
+          );
          deleteIfMapEmpty(doc, ['quota-exceeded']);
        }

@@ -597,6 +597,12 @@
    "note_placeholder": "Enter a note, e.g.: John's account",
    "note_hint": "Optional. Used to describe the purpose or owner of this credential; leave empty to omit.",
    "note_display": "Note",
+    "headers_label": "Custom Headers (headers)",
+    "headers_placeholder": "{\n  \"Header-Name\": \"value\"\n}",
+    "headers_hint": "Enter custom HTTP headers as a JSON object, e.g., {\"X-My-Header\": \"value\"}",
+    "headers_invalid_json": "Custom headers must be valid JSON.",
+    "headers_invalid_object": "Custom headers must be a JSON object.",
+    "headers_invalid_value": "Each custom header value must be a string.",
    "prefix_proxy_invalid_json": "This auth file is not a JSON object, so fields cannot be edited.",
    "prefix_proxy_saved_success": "Updated auth file \"{{name}}\" successfully",
    "quota_refresh_success": "Quota refreshed for \"{{name}}\"",
@@ -664,7 +670,8 @@
    "plan_plus": "Plus",
    "plan_team": "Team",
    "plan_free": "Free",
-    "plan_pro": "Pro"
+    "plan_pro": "Pro 20x",
+    "plan_prolite": "Pro 5x"
  },
  "gemini_cli_quota": {
    "title": "Gemini CLI Quota",
@@ -1023,6 +1030,15 @@
    "request_events_source": "Source",
    "request_events_auth_index": "Auth Index",
    "request_events_result": "Result",
+    "time": "Latency",
+    "avg_time": "Avg Latency",
+    "total_time": "Total Latency",
+    "latency_unit_hint": "Durations use backend field {{field}} and are interpreted as {{unit}} before formatting.",
+    "duration_unit_d": "d",
+    "duration_unit_h": "h",
+    "duration_unit_m": "m",
+    "duration_unit_s": "s",
+    "duration_unit_ms": "ms",
    "request_events_empty_title": "No request events",
    "request_events_empty_desc": "No request details are available for the selected time range.",
    "request_events_no_result_title": "No matching events",
@@ -1254,7 +1270,9 @@
          "switch_project": "Switch Project",
          "switch_project_desc": "Automatically switch to another project when quota is exceeded",
          "switch_preview_model": "Switch to Preview Model",
-          "switch_preview_model_desc": "Switch to preview model version when quota is exceeded"
+          "switch_preview_model_desc": "Switch to preview model version when quota is exceeded",
+          "antigravity_credits": "Antigravity Credits Retry",
+          "antigravity_credits_desc": "Retry once with enabledCreditTypes=[\"GOOGLE_ONE_AI\"] when Antigravity returns quota_exhausted 429"
        },
        "streaming": {
          "title": "Streaming Configuration",
@@ -667,7 +667,8 @@
    "plan_plus": "Plus",
    "plan_team": "Team",
    "plan_free": "Free",
-    "plan_pro": "Pro"
+    "plan_pro": "Pro 20x",
+    "plan_prolite": "Pro 5x"
  },
  "gemini_cli_quota": {
    "title": "Квота Gemini CLI",
@@ -1026,6 +1027,15 @@
    "request_events_source": "Источник",
    "request_events_auth_index": "Auth Index",
    "request_events_result": "Результат",
+    "time": "Задержка",
+    "avg_time": "Средняя задержка",
+    "total_time": "Суммарная задержка",
+    "latency_unit_hint": "Длительность берётся из поля бэкенда {{field}} и интерпретируется как {{unit}} перед форматированием.",
+    "duration_unit_d": "д",
+    "duration_unit_h": "ч",
+    "duration_unit_m": "мин",
+    "duration_unit_s": "с",
+    "duration_unit_ms": "мс",
    "request_events_empty_title": "События запросов отсутствуют",
    "request_events_empty_desc": "Нет деталей запросов для выбранного диапазона времени.",
    "request_events_no_result_title": "Совпадений не найдено",
@@ -1259,7 +1269,9 @@
          "switch_project": "Переключить проект",
          "switch_project_desc": "Автоматически переходить на другой проект при превышении квоты",
          "switch_preview_model": "Переключить на preview-модель",
-          "switch_preview_model_desc": "Переключаться на preview-версию модели при превышении квоты"
+          "switch_preview_model_desc": "Переключаться на preview-версию модели при превышении квоты",
+          "antigravity_credits": "Повтор Antigravity Credits",
+          "antigravity_credits_desc": "При ответе Antigravity quota_exhausted 429 повторять запрос один раз с enabledCreditTypes=[\"GOOGLE_ONE_AI\"]"
        },
        "streaming": {
          "title": "Настройки стриминга",
@@ -597,6 +597,12 @@
    "note_placeholder": "输入备注信息，例如：张三的账号",
    "note_hint": "可选，用于标记凭证用途或归属；留空则不写入。",
    "note_display": "备注",
+    "headers_label": "自定义请求头（headers）",
+    "headers_placeholder": "{\n  \"Header-Name\": \"value\"\n}",
+    "headers_hint": "以 JSON 对象格式输入自定义 HTTP 请求头，例如：{\"X-My-Header\": \"value\"}",
+    "headers_invalid_json": "自定义请求头必须是有效的 JSON。",
+    "headers_invalid_object": "自定义请求头必须是 JSON 对象。",
+    "headers_invalid_value": "每个自定义请求头的值都必须是字符串。",
    "prefix_proxy_invalid_json": "该认证文件不是 JSON 对象，无法编辑字段。",
    "prefix_proxy_saved_success": "已更新认证文件 \"{{name}}\"",
    "quota_refresh_success": "已刷新 \"{{name}}\" 的额度",
@@ -664,7 +670,8 @@
    "plan_plus": "Plus",
    "plan_team": "Team",
    "plan_free": "Free",
-    "plan_pro": "Pro"
+    "plan_pro": "Pro 20x",
+    "plan_prolite": "Pro 5x"
  },
  "gemini_cli_quota": {
    "title": "Gemini CLI 额度",
@@ -1023,6 +1030,15 @@
    "request_events_source": "来源",
    "request_events_auth_index": "认证索引",
    "request_events_result": "结果",
+    "time": "延迟",
+    "avg_time": "平均延迟",
+    "total_time": "总延迟",
+    "latency_unit_hint": "耗时取自后端字段 {{field}}，按 {{unit}} 解释后再格式化显示。",
+    "duration_unit_d": "天",
+    "duration_unit_h": "时",
+    "duration_unit_m": "分",
+    "duration_unit_s": "秒",
+    "duration_unit_ms": "毫秒",
    "request_events_empty_title": "暂无请求事件",
    "request_events_empty_desc": "当前时间范围内暂无可用的请求明细数据。",
    "request_events_no_result_title": "没有匹配结果",
@@ -1254,7 +1270,9 @@
          "switch_project": "切换项目",
          "switch_project_desc": "配额耗尽时自动切换到其他项目",
          "switch_preview_model": "切换预览模型",
-          "switch_preview_model_desc": "配额耗尽时切换到预览版本模型"
+          "switch_preview_model_desc": "配额耗尽时切换到预览版本模型",
+          "antigravity_credits": "Antigravity Credits 重试",
+          "antigravity_credits_desc": "Antigravity 返回 quota_exhausted 429 时，使用 enabledCreditTypes=[\"GOOGLE_ONE_AI\"] 重试一次"
        },
        "streaming": {
          "title": "流式传输配置",
@@ -164,7 +164,7 @@ export function AiProvidersPage() {
      confirmText: t('common.confirm'),
      onConfirm: async () => {
        try {
-          await providersApi.deleteGeminiKey(entry.apiKey);
+          await providersApi.deleteGeminiKey(entry.apiKey, entry.baseUrl);
          const next = geminiKeys.filter((_, idx) => idx !== index);
          setGeminiKeys(next);
          updateConfigValue('gemini-api-key', next);
@@ -297,14 +297,14 @@ export function AiProvidersPage() {
      onConfirm: async () => {
        try {
          if (type === 'codex') {
-            await providersApi.deleteCodexConfig(entry.apiKey);
+            await providersApi.deleteCodexConfig(entry.apiKey, entry.baseUrl);
            const next = codexConfigs.filter((_, idx) => idx !== index);
            setCodexConfigs(next);
            updateConfigValue('codex-api-key', next);
            clearCache('codex-api-key');
            showNotification(t('notification.codex_config_deleted'), 'success');
          } else {
-            await providersApi.deleteClaudeConfig(entry.apiKey);
+            await providersApi.deleteClaudeConfig(entry.apiKey, entry.baseUrl);
            const next = claudeConfigs.filter((_, idx) => idx !== index);
            setClaudeConfigs(next);
            updateConfigValue('claude-api-key', next);
@@ -329,7 +329,7 @@ export function AiProvidersPage() {
      confirmText: t('common.confirm'),
      onConfirm: async () => {
        try {
-          await providersApi.deleteVertexConfig(entry.apiKey);
+          await providersApi.deleteVertexConfig(entry.apiKey, entry.baseUrl);
          const next = vertexConfigs.filter((_, idx) => idx !== index);
          setVertexConfigs(next);
          updateConfigValue('vertex-api-key', next);
@@ -1384,6 +1384,11 @@
  }
 }

+.prefixProxyTextareaInvalid {
+  border-color: var(--danger-color);
+  box-shadow: 0 0 0 3px rgba($error-color, 0.12);
+}
+
 .cardActions {
  display: flex;
  align-items: center;
@@ -128,8 +128,7 @@
  padding: 18px;
  background:
    radial-gradient(120% 140% at 12% 0%, var(--accent-soft) 0%, rgba(0, 0, 0, 0) 62%),
-    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0)),
-    var(--bg-primary);
+    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0)), var(--bg-primary);
  border-radius: $radius-lg;
  border: 1px solid var(--border-color);
  display: flex;
@@ -137,7 +136,10 @@
  gap: 10px;
  min-height: 176px;
  box-shadow: var(--shadow-lg);
-  transition: transform $transition-fast, box-shadow $transition-fast, border-color $transition-fast;
+  transition:
+    transform $transition-fast,
+    box-shadow $transition-fast,
+    border-color $transition-fast;
  overflow: hidden;

  &::before {
@@ -350,7 +352,10 @@
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
-  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
+  transition:
+    background-color 0.15s ease,
+    border-color 0.15s ease,
+    color 0.15s ease;

  &:hover {
    background: var(--bg-tertiary);
@@ -505,6 +510,12 @@
  overscroll-behavior: contain;
 }

+.detailsNote {
+  padding: 0 4px 10px;
+  font-size: 12px;
+  color: var(--text-secondary);
+}
+
 // Table (80%比例)
 .tableWrapper {
  overflow-x: auto;
@@ -515,7 +526,8 @@
  border-collapse: collapse;
  font-size: 12px;

-  th, td {
+  th,
+  td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
@@ -596,6 +608,11 @@
  white-space: nowrap;
 }

+.durationCell {
+  font-variant-numeric: tabular-nums;
+  white-space: nowrap;
+}
+
 // Pricing Section (80%比例)
 .pricingSection {
  display: flex;
@@ -1095,7 +1112,9 @@
  width: 100%;
  height: 100%;
  border-radius: 2px;
-  transition: transform 0.15s ease, opacity 0.15s ease;
+  transition:
+    transform 0.15s ease,
+    opacity 0.15s ease;

  .healthBlockWrapper:hover &,
  .healthBlockWrapper.healthBlockActive & {
@@ -28,6 +28,13 @@ const extractArrayPayload = (data: unknown, key: string): unknown[] => {
  return Array.isArray(candidate) ? candidate : [];
 };

+const buildProviderDeleteQuery = (apiKey: string, baseUrl?: string) => {
+  const params = new URLSearchParams();
+  params.set('api-key', apiKey.trim());
+  params.set('base-url', (baseUrl ?? '').trim());
+  return `?${params.toString()}`;
+};
+
 const serializeModelAliases = (models?: ModelAlias[]) =>
  Array.isArray(models)
    ? models
@@ -160,8 +167,8 @@ export const providersApi = {
  updateGeminiKey: (index: number, value: GeminiKeyConfig) =>
    apiClient.patch('/gemini-api-key', { index, value: serializeGeminiKey(value) }),

-  deleteGeminiKey: (apiKey: string) =>
-    apiClient.delete(`/gemini-api-key?api-key=${encodeURIComponent(apiKey)}`),
+  deleteGeminiKey: (apiKey: string, baseUrl?: string) =>
+    apiClient.delete(`/gemini-api-key${buildProviderDeleteQuery(apiKey, baseUrl)}`),

  async getCodexConfigs(): Promise<ProviderKeyConfig[]> {
    const data = await apiClient.get('/codex-api-key');
@@ -175,8 +182,8 @@ export const providersApi = {
  updateCodexConfig: (index: number, value: ProviderKeyConfig) =>
    apiClient.patch('/codex-api-key', { index, value: serializeProviderKey(value) }),

-  deleteCodexConfig: (apiKey: string) =>
-    apiClient.delete(`/codex-api-key?api-key=${encodeURIComponent(apiKey)}`),
+  deleteCodexConfig: (apiKey: string, baseUrl?: string) =>
+    apiClient.delete(`/codex-api-key${buildProviderDeleteQuery(apiKey, baseUrl)}`),

  async getClaudeConfigs(): Promise<ProviderKeyConfig[]> {
    const data = await apiClient.get('/claude-api-key');
@@ -190,8 +197,8 @@ export const providersApi = {
  updateClaudeConfig: (index: number, value: ProviderKeyConfig) =>
    apiClient.patch('/claude-api-key', { index, value: serializeProviderKey(value) }),

-  deleteClaudeConfig: (apiKey: string) =>
-    apiClient.delete(`/claude-api-key?api-key=${encodeURIComponent(apiKey)}`),
+  deleteClaudeConfig: (apiKey: string, baseUrl?: string) =>
+    apiClient.delete(`/claude-api-key${buildProviderDeleteQuery(apiKey, baseUrl)}`),

  async getVertexConfigs(): Promise<ProviderKeyConfig[]> {
    const data = await apiClient.get('/vertex-api-key');
@@ -205,8 +212,8 @@ export const providersApi = {
  updateVertexConfig: (index: number, value: ProviderKeyConfig) =>
    apiClient.patch('/vertex-api-key', { index, value: serializeVertexKey(value) }),

-  deleteVertexConfig: (apiKey: string) =>
-    apiClient.delete(`/vertex-api-key?api-key=${encodeURIComponent(apiKey)}`),
+  deleteVertexConfig: (apiKey: string, baseUrl?: string) =>
+    apiClient.delete(`/vertex-api-key${buildProviderDeleteQuery(apiKey, baseUrl)}`),

  async getOpenAIProviders(): Promise<OpenAIProviderConfig[]> {
    const data = await apiClient.get('/openai-compatibility');
@@ -366,7 +366,12 @@ export const normalizeConfigResponse = (raw: unknown): Config => {
  if (isRecord(quota)) {
    config.quotaExceeded = {
      switchProject: normalizeBoolean(quota['switch-project'] ?? quota.switchProject),
-      switchPreviewModel: normalizeBoolean(quota['switch-preview-model'] ?? quota.switchPreviewModel)
+      switchPreviewModel: normalizeBoolean(
+        quota['switch-preview-model'] ?? quota.switchPreviewModel
+      ),
+      antigravityCredits: normalizeBoolean(
+        quota['antigravity-credits'] ?? quota.antigravityCredits
+      )
    };
  }

@@ -9,6 +9,7 @@ import type { AmpcodeConfig } from './ampcode';
 export interface QuotaExceededConfig {
  switchProject?: boolean;
  switchPreviewModel?: boolean;
+  antigravityCredits?: boolean;
 }

 export interface Config {
@@ -75,6 +75,7 @@ export type VisualConfigValues = {
  maxRetryInterval: string;
  quotaSwitchProject: boolean;
  quotaSwitchPreviewModel: boolean;
+  quotaAntigravityCredits: boolean;
  routingStrategy: 'round-robin' | 'fill-first';
  wsAuth: boolean;
  payloadDefaultRules: PayloadRule[];
@@ -114,6 +115,7 @@ export const DEFAULT_VISUAL_VALUES: VisualConfigValues = {
  maxRetryInterval: '',
  quotaSwitchProject: true,
  quotaSwitchPreviewModel: true,
+  quotaAntigravityCredits: true,
  routingStrategy: 'round-robin',
  wsAuth: false,
  payloadDefaultRules: [],
@@ -4,8 +4,25 @@
 */

 import type { ScriptableContext } from 'chart.js';
+import type { LatencyAccumulator, LatencyStats } from './usage/latency';
+import {
+  addLatencySample,
+  calculateLatencyStatsFromDetails,
+  createLatencyAccumulator,
+  extractLatencyMs,
+  finalizeLatencyStats,
+} from './usage/latency';
 import { maskApiKey } from './format';

+export type { DurationFormatOptions, LatencyStats } from './usage/latency';
+export {
+  LATENCY_SOURCE_FIELD,
+  LATENCY_SOURCE_UNIT,
+  calculateLatencyStatsFromDetails,
+  extractLatencyMs,
+  formatDurationMs,
+} from './usage/latency';
+
 export interface KeyStatBucket {
  success: number;
  failure: number;
@@ -39,6 +56,7 @@ export interface UsageDetail {
  timestamp: string;
  source: string;
  auth_index: number;
+  latency_ms?: number;
  tokens: {
    input_tokens: number;
    output_tokens: number;
@@ -66,7 +84,22 @@ export interface ApiStats {
  failureCount: number;
  totalTokens: number;
  totalCost: number;
-  models: Record<string, { requests: number; successCount: number; failureCount: number; tokens: number }>;
+  models: Record<
+    string,
+    { requests: number; successCount: number; failureCount: number; tokens: number }
+  >;
+}
+
+export interface ModelStatsSummary {
+  model: string;
+  requests: number;
+  successCount: number;
+  failureCount: number;
+  tokens: number;
+  cost: number;
+  averageLatencyMs: number | null;
+  totalLatencyMs: number | null;
+  latencySampleCount: number;
 }

 export type UsageTimeRange = '7h' | '24h' | '7d' | 'all';
@@ -77,7 +110,7 @@ const USAGE_ENDPOINT_METHOD_REGEX = /^(GET|POST|PUT|PATCH|DELETE|OPTIONS|HEAD)\s
 const USAGE_TIME_RANGE_MS: Record<Exclude<UsageTimeRange, 'all'>, number> = {
  '7h': 7 * 60 * 60 * 1000,
  '24h': 24 * 60 * 60 * 1000,
-  '7d': 7 * 24 * 60 * 60 * 1000
+  '7d': 7 * 24 * 60 * 60 * 1000,
 };

 const isRecord = (value: unknown): value is Record<string, unknown> =>
@@ -100,17 +133,21 @@ const createUsageSummary = (): UsageSummary => ({
  totalRequests: 0,
  successCount: 0,
  failureCount: 0,
-  totalTokens: 0
+  totalTokens: 0,
 });

 const toUsageSummaryFields = (summary: UsageSummary) => ({
  total_requests: summary.totalRequests,
  success_count: summary.successCount,
  failure_count: summary.failureCount,
-  total_tokens: summary.totalTokens
+  total_tokens: summary.totalTokens,
 });

-export function filterUsageByTimeRange<T>(usageData: T, range: UsageTimeRange, nowMs: number = Date.now()): T {
+export function filterUsageByTimeRange<T>(
+  usageData: T,
+  range: UsageTimeRange,
+  nowMs: number = Date.now()
+): T {
  if (range === 'all') {
    return usageData;
  }
@@ -180,7 +217,7 @@ export function filterUsageByTimeRange<T>(usageData: T, range: UsageTimeRange, n
      filteredModels[modelName] = {
        ...modelEntry,
        ...toUsageSummaryFields(modelSummary),
-        details: filteredDetails
+        details: filteredDetails,
      };
      hasModelData = true;

@@ -197,7 +234,7 @@ export function filterUsageByTimeRange<T>(usageData: T, range: UsageTimeRange, n
    filteredApis[apiName] = {
      ...apiEntry,
      ...toUsageSummaryFields(apiSummary),
-      models: filteredModels
+      models: filteredModels,
    };

    totalSummary.totalRequests += apiSummary.totalRequests;
@@ -209,7 +246,7 @@ export function filterUsageByTimeRange<T>(usageData: T, range: UsageTimeRange, n
  return {
    ...usageRecord,
    ...toUsageSummaryFields(totalSummary),
-    apis: filteredApis
+    apis: filteredApis,
  } as T;
 }

@@ -309,7 +346,8 @@ export function normalizeUsageSourceId(
  value: unknown,
  masker: (val: string) => string = maskApiKey
 ): string {
-  const raw = typeof value === 'string' ? value : value === null || value === undefined ? '' : String(value);
+  const raw =
+    typeof value === 'string' ? value : value === null || value === undefined ? '' : String(value);
  const trimmed = raw.trim();
  if (!trimmed) return '';

@@ -325,7 +363,10 @@ export function normalizeUsageSourceId(
  return `${USAGE_SOURCE_PREFIX_TEXT}${trimmed}`;
 }

-export function buildCandidateUsageSourceIds(input: { apiKey?: string; prefix?: string }): string[] {
+export function buildCandidateUsageSourceIds(input: {
+  apiKey?: string;
+  prefix?: string;
+}): string[] {
  const result: string[] = [];

  const prefix = input.prefix?.trim();
@@ -335,6 +376,10 @@ export function buildCandidateUsageSourceIds(input: { apiKey?: string; prefix?:

  const apiKey = input.apiKey?.trim();
  if (apiKey) {
+    // Include the normalised form first so that "non-standard" keys (e.g. short tokens,
+    // keys containing '/' etc.) that are classified as text by normalizeUsageSourceId()
+    // can still match usage details.
+    result.push(normalizeUsageSourceId(apiKey));
    result.push(`${USAGE_SOURCE_PREFIX_KEY}${fnv1a64Hex(apiKey)}`);
    result.push(`${USAGE_SOURCE_PREFIX_MASKED}${maskApiKey(apiKey)}`);
  }
@@ -345,7 +390,10 @@ export function buildCandidateUsageSourceIds(input: { apiKey?: string; prefix?:
 /**
 * 对使用数据中的敏感字段进行遮罩
 */
-export function maskUsageSensitiveValue(value: unknown, masker: (val: string) => string = maskApiKey): string {
+export function maskUsageSensitiveValue(
+  value: unknown,
+  masker: (val: string) => string = maskApiKey
+): string {
  if (value === null || value === undefined) {
    return '';
  }
@@ -357,12 +405,20 @@ export function maskUsageSensitiveValue(value: unknown, masker: (val: string) =>
  let masked = raw;

  const queryRegex = /([?&])(api[-_]?key|key|token|access_token|authorization)=([^&#\s]+)/gi;
-  masked = masked.replace(queryRegex, (_full, prefix, keyName, valuePart) => `${prefix}${keyName}=${masker(valuePart)}`);
+  masked = masked.replace(
+    queryRegex,
+    (_full, prefix, keyName, valuePart) => `${prefix}${keyName}=${masker(valuePart)}`
+  );

-  const headerRegex = /(api[-_]?key|key|token|access[-_]?token|authorization)\s*([:=])\s*([A-Za-z0-9._-]+)/gi;
-  masked = masked.replace(headerRegex, (_full, keyName, separator, valuePart) => `${keyName}${separator}${masker(valuePart)}`);
+  const headerRegex =
+    /(api[-_]?key|key|token|access[-_]?token|authorization)\s*([:=])\s*([A-Za-z0-9._-]+)/gi;
+  masked = masked.replace(
+    headerRegex,
+    (_full, keyName, separator, valuePart) => `${keyName}${separator}${masker(valuePart)}`
+  );

-  const keyLikeRegex = /(sk-[A-Za-z0-9]{6,}|AI[a-zA-Z0-9_-]{6,}|AIza[0-9A-Za-z-_]{8,}|hf_[A-Za-z0-9]{6,}|pk_[A-Za-z0-9]{6,}|rk_[A-Za-z0-9]{6,})/g;
+  const keyLikeRegex =
+    /(sk-[A-Za-z0-9]{6,}|AI[a-zA-Z0-9_-]{6,}|AIza[0-9A-Za-z-_]{8,}|hf_[A-Za-z0-9]{6,}|pk_[A-Za-z0-9]{6,}|rk_[A-Za-z0-9]{6,})/g;
  masked = masked.replace(keyLikeRegex, (match) => masker(match));

  if (masked === raw) {
@@ -436,7 +492,7 @@ export function formatUsd(value: number): string {
  const fixed = num.toFixed(2);
  const parts = Number(fixed).toLocaleString(undefined, {
    minimumFractionDigits: 2,
-    maximumFractionDigits: 2
+    maximumFractionDigits: 2,
  });
  return `$${parts}`;
 }
@@ -491,10 +547,12 @@ export function collectUsageDetails(usageData: unknown): UsageDetail[] {
        const timestamp = detailRaw.timestamp;
        const timestampMs = Date.parse(timestamp);
        const tokensRaw = isRecord(detailRaw.tokens) ? detailRaw.tokens : {};
+        const latencyMs = extractLatencyMs(detailRaw);
        details.push({
          timestamp,
          source: normalizeSource(detailRaw.source),
          auth_index: detailRaw.auth_index as unknown as number,
+          latency_ms: latencyMs ?? undefined,
          tokens: tokensRaw as unknown as UsageDetail['tokens'],
          failed: detailRaw.failed === true,
          __modelName: modelName,
@@ -562,10 +620,12 @@ export function collectUsageDetailsWithEndpoint(usageData: unknown): UsageDetail
        const timestamp = detailRaw.timestamp;
        const timestampMs = Date.parse(timestamp);
        const tokensRaw = isRecord(detailRaw.tokens) ? detailRaw.tokens : {};
+        const latencyMs = extractLatencyMs(detailRaw);
        details.push({
          timestamp,
          source: normalizeSource(detailRaw.source),
          auth_index: detailRaw.auth_index as unknown as number,
+          latency_ms: latencyMs ?? undefined,
          tokens: tokensRaw as unknown as UsageDetail['tokens'],
          failed: detailRaw.failed === true,
          __modelName: modelName,
@@ -605,6 +665,13 @@ export function extractTotalTokens(detail: unknown): number {
  return inputTokens + outputTokens + reasoningTokens + cachedTokens;
 }

+/**
+ * 计算耗时统计
+ */
+export function calculateLatencyStats(usageData: unknown): LatencyStats {
+  return calculateLatencyStatsFromDetails(collectUsageDetails(usageData));
+}
+
 /**
 * 计算 token 分类统计
 */
@@ -652,7 +719,9 @@ export function calculateRecentPerMinuteRates(

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp < windowStart || timestamp > now) {
      return;
    }
@@ -666,7 +735,7 @@ export function calculateRecentPerMinuteRates(
    tpm: tokenCount / denominator,
    windowMinutes: effectiveWindow,
    requestCount,
-    tokenCount
+    tokenCount,
  };
 }

@@ -694,7 +763,10 @@ export function getModelNamesFromUsage(usageData: unknown): string[] {
 /**
 * 计算成本数据
 */
-export function calculateCost(detail: UsageDetail, modelPrices: Record<string, ModelPrice>): number {
+export function calculateCost(
+  detail: UsageDetail,
+  modelPrices: Record<string, ModelPrice>
+): number {
  const modelName = detail.__modelName || '';
  const price = modelPrices[modelName];
  if (!price) {
@@ -707,7 +779,9 @@ export function calculateCost(detail: UsageDetail, modelPrices: Record<string, M
  const rawCachedTokensAlternate = Number(tokens.cache_tokens);

  const inputTokens = Number.isFinite(rawInputTokens) ? Math.max(rawInputTokens, 0) : 0;
-  const completionTokens = Number.isFinite(rawCompletionTokens) ? Math.max(rawCompletionTokens, 0) : 0;
+  const completionTokens = Number.isFinite(rawCompletionTokens)
+    ? Math.max(rawCompletionTokens, 0)
+    : 0;
  const cachedTokens = Math.max(
    Number.isFinite(rawCachedTokensPrimary) ? Math.max(rawCachedTokensPrimary, 0) : 0,
    Number.isFinite(rawCachedTokensAlternate) ? Math.max(rawCachedTokensAlternate, 0) : 0
@@ -716,7 +790,8 @@ export function calculateCost(detail: UsageDetail, modelPrices: Record<string, M

  const promptCost = (promptTokens / TOKENS_PER_PRICE_UNIT) * (Number(price.prompt) || 0);
  const cachedCost = (cachedTokens / TOKENS_PER_PRICE_UNIT) * (Number(price.cache) || 0);
-  const completionCost = (completionTokens / TOKENS_PER_PRICE_UNIT) * (Number(price.completion) || 0);
+  const completionCost =
+    (completionTokens / TOKENS_PER_PRICE_UNIT) * (Number(price.completion) || 0);
  const total = promptCost + cachedCost + completionCost;
  return Number.isFinite(total) && total > 0 ? total : 0;
 }
@@ -724,7 +799,10 @@ export function calculateCost(detail: UsageDetail, modelPrices: Record<string, M
 /**
 * 计算总成本
 */
-export function calculateTotalCost(usageData: unknown, modelPrices: Record<string, ModelPrice>): number {
+export function calculateTotalCost(
+  usageData: unknown,
+  modelPrices: Record<string, ModelPrice>
+): number {
  const details = collectUsageDetails(usageData);
  if (!details.length || !Object.keys(modelPrices).length) {
    return 0;
@@ -756,7 +834,11 @@ export function loadModelPrices(): Record<string, ModelPrice> {
      const completionRaw = Number(priceRecord?.completion);
      const cacheRaw = Number(priceRecord?.cache);

-      if (!Number.isFinite(promptRaw) && !Number.isFinite(completionRaw) && !Number.isFinite(cacheRaw)) {
+      if (
+        !Number.isFinite(promptRaw) &&
+        !Number.isFinite(completionRaw) &&
+        !Number.isFinite(cacheRaw)
+      ) {
        return;
      }

@@ -772,7 +854,7 @@ export function loadModelPrices(): Record<string, ModelPrice> {
      normalized[model] = {
        prompt,
        completion,
-        cache
+        cache,
      };
    });
    return normalized;
@@ -798,14 +880,20 @@ export function saveModelPrices(prices: Record<string, ModelPrice>): void {
 /**
 * 获取 API 统计数据
 */
-export function getApiStats(usageData: unknown, modelPrices: Record<string, ModelPrice>): ApiStats[] {
+export function getApiStats(
+  usageData: unknown,
+  modelPrices: Record<string, ModelPrice>
+): ApiStats[] {
  const apis = getApisRecord(usageData);
  if (!apis) return [];
  const result: ApiStats[] = [];

  Object.entries(apis).forEach(([endpoint, apiData]) => {
    if (!isRecord(apiData)) return;
-    const models: Record<string, { requests: number; successCount: number; failureCount: number; tokens: number }> = {};
+    const models: Record<
+      string,
+      { requests: number; successCount: number; failureCount: number; tokens: number }
+    > = {};
    let derivedSuccessCount = 0;
    let derivedFailureCount = 0;
    let totalCost = 0;
@@ -849,7 +937,7 @@ export function getApiStats(usageData: unknown, modelPrices: Record<string, Mode
        requests: Number(modelData.total_requests) || 0,
        successCount,
        failureCount,
-        tokens: Number(modelData.total_tokens) || 0
+        tokens: Number(modelData.total_tokens) || 0,
      };
      derivedSuccessCount += successCount;
      derivedFailureCount += failureCount;
@@ -858,10 +946,10 @@ export function getApiStats(usageData: unknown, modelPrices: Record<string, Mode
    const hasApiExplicitCounts =
      typeof apiData.success_count === 'number' || typeof apiData.failure_count === 'number';
    const successCount = hasApiExplicitCounts
-      ? (Number(apiData.success_count) || 0)
+      ? Number(apiData.success_count) || 0
      : derivedSuccessCount;
    const failureCount = hasApiExplicitCounts
-      ? (Number(apiData.failure_count) || 0)
+      ? Number(apiData.failure_count) || 0
      : derivedFailureCount;

    result.push({
@@ -871,7 +959,7 @@ export function getApiStats(usageData: unknown, modelPrices: Record<string, Mode
      failureCount,
      totalTokens: Number(apiData.total_tokens) || 0,
      totalCost,
-      models
+      models,
    });
  });

@@ -881,18 +969,24 @@ export function getApiStats(usageData: unknown, modelPrices: Record<string, Mode
 /**
 * 获取模型统计数据
 */
-export function getModelStats(usageData: unknown, modelPrices: Record<string, ModelPrice>): Array<{
-  model: string;
-  requests: number;
-  successCount: number;
-  failureCount: number;
-  tokens: number;
-  cost: number;
-}> {
+export function getModelStats(
+  usageData: unknown,
+  modelPrices: Record<string, ModelPrice>
+): ModelStatsSummary[] {
  const apis = getApisRecord(usageData);
  if (!apis) return [];

-  const modelMap = new Map<string, { requests: number; successCount: number; failureCount: number; tokens: number; cost: number }>();
+  const modelMap = new Map<
+    string,
+    {
+      requests: number;
+      successCount: number;
+      failureCount: number;
+      tokens: number;
+      cost: number;
+      latency: LatencyAccumulator;
+    }
+  >();

  Object.values(apis).forEach((apiData) => {
    if (!isRecord(apiData)) return;
@@ -902,7 +996,14 @@ export function getModelStats(usageData: unknown, modelPrices: Record<string, Mo

    Object.entries(models).forEach(([modelName, modelData]) => {
      if (!isRecord(modelData)) return;
-      const existing = modelMap.get(modelName) || { requests: 0, successCount: 0, failureCount: 0, tokens: 0, cost: 0 };
+      const existing = modelMap.get(modelName) || {
+        requests: 0,
+        successCount: 0,
+        failureCount: 0,
+        tokens: 0,
+        cost: 0,
+        latency: createLatencyAccumulator(),
+      };
      existing.requests += Number(modelData.total_requests) || 0;
      existing.tokens += Number(modelData.total_tokens) || 0;

@@ -917,9 +1018,10 @@ export function getModelStats(usageData: unknown, modelPrices: Record<string, Mo
        existing.failureCount += Number(modelData.failure_count) || 0;
      }

-      if (details.length > 0 && (!hasExplicitCounts || price)) {
+      if (details.length > 0) {
        details.forEach((detail) => {
          const detailRecord = isRecord(detail) ? detail : null;
+          const latencyMs = extractLatencyMs(detailRecord);
          if (!hasExplicitCounts) {
            if (detailRecord?.failed === true) {
              existing.failureCount += 1;
@@ -928,6 +1030,8 @@ export function getModelStats(usageData: unknown, modelPrices: Record<string, Mo
            }
          }

+          addLatencySample(existing.latency, latencyMs);
+
          if (price && detailRecord) {
            existing.cost += calculateCost(
              { ...(detailRecord as unknown as UsageDetail), __modelName: modelName },
@@ -941,7 +1045,20 @@ export function getModelStats(usageData: unknown, modelPrices: Record<string, Mo
  });

  return Array.from(modelMap.entries())
-    .map(([model, stats]) => ({ model, ...stats }))
+    .map(([model, stats]) => {
+      const latencyStats = finalizeLatencyStats(stats.latency);
+      return {
+        model,
+        requests: stats.requests,
+        successCount: stats.successCount,
+        failureCount: stats.failureCount,
+        tokens: stats.tokens,
+        cost: stats.cost,
+        averageLatencyMs: latencyStats.averageMs,
+        totalLatencyMs: latencyStats.totalMs,
+        latencySampleCount: latencyStats.sampleCount,
+      };
+    })
    .sort((a, b) => b.requests - a.requests);
 }

@@ -1012,7 +1129,9 @@ export function buildHourlySeriesByModel(

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp <= 0) {
      return;
    }
@@ -1069,7 +1188,9 @@ export function buildDailySeriesByModel(

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp <= 0) {
      return;
    }
@@ -1092,7 +1213,7 @@ export function buildDailySeriesByModel(
  const labels = Array.from(labelsSet).sort();
  const dataByModel = new Map<string, number[]>();
  valuesByModel.forEach((dayMap, modelName) => {
-    const series = labels.map(label => dayMap.get(label) || 0);
+    const series = labels.map((label) => dayMap.get(label) || 0);
    dataByModel.set(modelName, series);
  });

@@ -1103,7 +1224,10 @@ export interface ChartDataset {
  label: string;
  data: number[];
  borderColor: string;
-  backgroundColor: string | CanvasGradient | ((context: ScriptableContext<'line'>) => string | CanvasGradient);
+  backgroundColor:
+    | string
+    | CanvasGradient
+    | ((context: ScriptableContext<'line'>) => string | CanvasGradient);
  pointBackgroundColor?: string;
  pointBorderColor?: string;
  fill: boolean;
@@ -1152,7 +1276,11 @@ const withAlpha = (hex: string, alpha: number) => {
  return `rgba(${rgb.r}, ${rgb.g}, ${rgb.b}, ${clamped})`;
 };

-const buildAreaGradient = (context: ScriptableContext<'line'>, baseHex: string, fallback: string) => {
+const buildAreaGradient = (
+  context: ScriptableContext<'line'>,
+  baseHex: string,
+  fallback: string
+) => {
  const chart = context.chart;
  const ctx = chart.ctx;
  const area = chart.chartArea;
@@ -1178,16 +1306,17 @@ export function buildChartData(
  selectedModels: string[] = [],
  options: { hourWindowHours?: number } = {}
 ): ChartData {
-  const baseSeries = period === 'hour'
-    ? buildHourlySeriesByModel(usageData, metric, options.hourWindowHours)
-    : buildDailySeriesByModel(usageData, metric);
+  const baseSeries =
+    period === 'hour'
+      ? buildHourlySeriesByModel(usageData, metric, options.hourWindowHours)
+      : buildDailySeriesByModel(usageData, metric);

  const { labels, dataByModel } = baseSeries;

  // Build "All" series as sum of all models
  const getAllSeries = (): number[] => {
    const summed = new Array(labels.length).fill(0);
-    dataByModel.forEach(values => {
+    dataByModel.forEach((values) => {
      values.forEach((value, idx) => {
        summed[idx] = (summed[idx] || 0) + value;
      });
@@ -1200,7 +1329,9 @@ export function buildChartData(

  const datasets: ChartDataset[] = modelsToShow.map((model, index) => {
    const isAll = model === 'all';
-    const data = isAll ? getAllSeries() : (dataByModel.get(model) || new Array(labels.length).fill(0));
+    const data = isAll
+      ? getAllSeries()
+      : dataByModel.get(model) || new Array(labels.length).fill(0);
    const colorIndex = index % CHART_COLORS.length;
    const style = CHART_COLORS[colorIndex];
    const shouldFill = modelsToShow.length === 1 || (isAll && modelsToShow.length > 1);
@@ -1215,7 +1346,7 @@ export function buildChartData(
      pointBackgroundColor: style.borderColor,
      pointBorderColor: style.borderColor,
      fill: shouldFill,
-      tension: 0.35
+      tension: 0.35,
    };
  });

@@ -1283,8 +1414,15 @@ export function calculateStatusBarData(
  // Filter and bucket the usage details
  usageDetails.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
-    if (!Number.isFinite(timestamp) || timestamp <= 0 || timestamp < windowStart || timestamp > now) {
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
+    if (
+      !Number.isFinite(timestamp) ||
+      timestamp <= 0 ||
+      timestamp < windowStart ||
+      timestamp > now
+    ) {
      return;
    }

@@ -1346,7 +1484,7 @@ export function calculateStatusBarData(
    blockDetails,
    successRate,
    totalSuccess,
-    totalFailure
+    totalFailure,
  };
 }

@@ -1364,9 +1502,7 @@ export interface ServiceHealthData {
  cols: number;
 }

-export function calculateServiceHealthData(
-  usageDetails: UsageDetail[]
-): ServiceHealthData {
+export function calculateServiceHealthData(usageDetails: UsageDetail[]): ServiceHealthData {
  const ROWS = 7;
  const COLS = 96;
  const BLOCK_COUNT = ROWS * COLS; // 672
@@ -1386,8 +1522,15 @@ export function calculateServiceHealthData(

  usageDetails.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
-    if (!Number.isFinite(timestamp) || timestamp <= 0 || timestamp < windowStart || timestamp > now) {
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
+    if (
+      !Number.isFinite(timestamp) ||
+      timestamp <= 0 ||
+      timestamp < windowStart ||
+      timestamp > now
+    ) {
      return;
    }

@@ -1444,7 +1587,10 @@ export function calculateServiceHealthData(
  };
 }

-export function computeKeyStats(usageData: unknown, masker: (val: string) => string = maskApiKey): KeyStats {
+export function computeKeyStats(
+  usageData: unknown,
+  masker: (val: string) => string = maskApiKey
+): KeyStats {
  const apis = getApisRecord(usageData);
  if (!apis) {
    return { bySource: {}, byAuthIndex: {} };
@@ -1499,7 +1645,7 @@ export function computeKeyStats(usageData: unknown, masker: (val: string) => str

  return {
    bySource: sourceStats,
-    byAuthIndex: authIndexStats
+    byAuthIndex: authIndexStats,
  };
 }

@@ -1586,7 +1732,9 @@ export function buildHourlyTokenBreakdown(

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp <= 0) return;
    const normalized = new Date(timestamp);
    normalized.setMinutes(0, 0, 0);
@@ -1601,9 +1749,10 @@ export function buildHourlyTokenBreakdown(
    const output = typeof tokens.output_tokens === 'number' ? Math.max(tokens.output_tokens, 0) : 0;
    const cached = Math.max(
      typeof tokens.cached_tokens === 'number' ? Math.max(tokens.cached_tokens, 0) : 0,
-      typeof tokens.cache_tokens === 'number' ? Math.max(tokens.cache_tokens, 0) : 0,
+      typeof tokens.cache_tokens === 'number' ? Math.max(tokens.cache_tokens, 0) : 0
    );
-    const reasoning = typeof tokens.reasoning_tokens === 'number' ? Math.max(tokens.reasoning_tokens, 0) : 0;
+    const reasoning =
+      typeof tokens.reasoning_tokens === 'number' ? Math.max(tokens.reasoning_tokens, 0) : 0;

    dataByCategory.input[bucketIndex] += input;
    dataByCategory.output[bucketIndex] += output;
@@ -1625,7 +1774,9 @@ export function buildDailyTokenBreakdown(usageData: unknown): TokenBreakdownSeri

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp <= 0) return;
    const dayLabel = formatDayLabel(new Date(timestamp));
    if (!dayLabel) return;
@@ -1639,9 +1790,10 @@ export function buildDailyTokenBreakdown(usageData: unknown): TokenBreakdownSeri
    const output = typeof tokens.output_tokens === 'number' ? Math.max(tokens.output_tokens, 0) : 0;
    const cached = Math.max(
      typeof tokens.cached_tokens === 'number' ? Math.max(tokens.cached_tokens, 0) : 0,
-      typeof tokens.cache_tokens === 'number' ? Math.max(tokens.cache_tokens, 0) : 0,
+      typeof tokens.cache_tokens === 'number' ? Math.max(tokens.cache_tokens, 0) : 0
    );
-    const reasoning = typeof tokens.reasoning_tokens === 'number' ? Math.max(tokens.reasoning_tokens, 0) : 0;
+    const reasoning =
+      typeof tokens.reasoning_tokens === 'number' ? Math.max(tokens.reasoning_tokens, 0) : 0;

    dayMap[dayLabel].input += input;
    dayMap[dayLabel].output += output;
@@ -1699,7 +1851,9 @@ export function buildHourlyCostSeries(

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp <= 0) return;
    const normalized = new Date(timestamp);
    normalized.setMinutes(0, 0, 0);
@@ -1732,7 +1886,9 @@ export function buildDailyCostSeries(

  details.forEach((detail) => {
    const timestamp =
-      typeof detail.__timestampMs === 'number' ? detail.__timestampMs : Date.parse(detail.timestamp);
+      typeof detail.__timestampMs === 'number'
+        ? detail.__timestampMs
+        : Date.parse(detail.timestamp);
    if (!Number.isFinite(timestamp) || timestamp <= 0) return;
    const dayLabel = formatDayLabel(new Date(timestamp));
    if (!dayLabel) return;
@@ -0,0 +1,199 @@
+import i18n from '@/i18n';
+
+export const LATENCY_SOURCE_FIELD = 'latency_ms';
+export const LATENCY_SOURCE_UNIT = 'ms';
+
+export interface LatencyStats {
+  averageMs: number | null;
+  totalMs: number | null;
+  sampleCount: number;
+}
+
+export interface DurationFormatOptions {
+  maxUnits?: number;
+  invalidText?: string;
+  secondDecimals?: number | 'auto';
+  locale?: string;
+}
+
+export interface LatencyAccumulator {
+  totalMs: number;
+  sampleCount: number;
+}
+
+const isRecord = (value: unknown): value is Record<string, unknown> =>
+  value !== null && typeof value === 'object' && !Array.isArray(value);
+
+const normalizeDurationMaxUnits = (value: number | undefined): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed) || parsed <= 0) {
+    return 2;
+  }
+  return Math.min(Math.floor(parsed), 4);
+};
+
+const resolveSecondDecimalPlaces = (
+  seconds: number,
+  secondDecimals: number | 'auto' | undefined
+): number => {
+  if (secondDecimals === 'auto' || secondDecimals === undefined) {
+    return seconds < 10 ? 2 : 1;
+  }
+
+  const parsed = Math.floor(Number(secondDecimals));
+  if (!Number.isFinite(parsed) || parsed < 0) {
+    return seconds < 10 ? 2 : 1;
+  }
+  return Math.min(parsed, 3);
+};
+
+const resolveDurationLocale = (locale?: string): string | undefined =>
+  locale?.trim() || i18n.resolvedLanguage || i18n.language || undefined;
+
+const formatDurationNumber = (
+  value: number,
+  locale: string | undefined,
+  options: Intl.NumberFormatOptions = {}
+): string => {
+  try {
+    return new Intl.NumberFormat(locale, {
+      useGrouping: false,
+      ...options,
+    }).format(value);
+  } catch {
+    return String(value);
+  }
+};
+
+const getDurationUnitLabel = (unit: 'd' | 'h' | 'm' | 's' | 'ms'): string =>
+  i18n.t(`usage_stats.duration_unit_${unit}`, { defaultValue: unit });
+
+const formatDurationPart = (
+  value: number,
+  unit: 'd' | 'h' | 'm' | 's' | 'ms',
+  locale: string | undefined,
+  options: Intl.NumberFormatOptions = {}
+): string => `${formatDurationNumber(value, locale, options)}${getDurationUnitLabel(unit)}`;
+
+/**
+ * 从后端字段 latency_ms 提取耗时，并按毫秒解释。
+ */
+export function extractLatencyMs(detail: unknown): number | null {
+  const record = isRecord(detail) ? detail : null;
+  const rawValue = record?.[LATENCY_SOURCE_FIELD];
+  if (
+    rawValue === null ||
+    rawValue === undefined ||
+    (typeof rawValue === 'string' && rawValue.trim() === '')
+  ) {
+    return null;
+  }
+
+  const parsed = Number(rawValue);
+  if (!Number.isFinite(parsed) || parsed < 0) {
+    return null;
+  }
+  return parsed;
+}
+
+export const createLatencyAccumulator = (): LatencyAccumulator => ({
+  totalMs: 0,
+  sampleCount: 0,
+});
+
+export const addLatencySample = (
+  accumulator: LatencyAccumulator,
+  latencyMs: number | null | undefined
+): void => {
+  if (latencyMs === null || latencyMs === undefined) {
+    return;
+  }
+
+  const parsed = Number(latencyMs);
+  if (!Number.isFinite(parsed) || parsed < 0) {
+    return;
+  }
+
+  accumulator.totalMs += parsed;
+  accumulator.sampleCount += 1;
+};
+
+export const finalizeLatencyStats = (accumulator: LatencyAccumulator): LatencyStats => ({
+  averageMs: accumulator.sampleCount > 0 ? accumulator.totalMs / accumulator.sampleCount : null,
+  totalMs: accumulator.sampleCount > 0 ? accumulator.totalMs : null,
+  sampleCount: accumulator.sampleCount,
+});
+
+/**
+ * 从明细列表计算耗时统计
+ */
+export function calculateLatencyStatsFromDetails(details: Iterable<unknown>): LatencyStats {
+  const accumulator = createLatencyAccumulator();
+  for (const detail of details) {
+    addLatencySample(accumulator, extractLatencyMs(detail));
+  }
+  return finalizeLatencyStats(accumulator);
+}
+
+/**
+ * 按当前语言格式化耗时显示。
+ */
+export function formatDurationMs(
+  value: number | null | undefined,
+  options: DurationFormatOptions = {}
+): string {
+  const invalidText = options.invalidText ?? '--';
+  if (value === null || value === undefined) {
+    return invalidText;
+  }
+
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed) || parsed < 0) {
+    return invalidText;
+  }
+
+  const locale = resolveDurationLocale(options.locale);
+
+  if (parsed < 1000) {
+    return formatDurationPart(Math.round(parsed), 'ms', locale);
+  }
+
+  const seconds = parsed / 1000;
+  if (seconds < 60) {
+    const secondDecimalPlaces = resolveSecondDecimalPlaces(seconds, options.secondDecimals);
+    return formatDurationPart(seconds, 's', locale, {
+      minimumFractionDigits: 0,
+      maximumFractionDigits: secondDecimalPlaces,
+    });
+  }
+
+  const totalSeconds = Math.floor(seconds);
+  let remainingSeconds = totalSeconds;
+  const days = Math.floor(remainingSeconds / 86_400);
+  remainingSeconds -= days * 86_400;
+  const hours = Math.floor(remainingSeconds / 3_600);
+  remainingSeconds -= hours * 3_600;
+  const minutes = Math.floor(remainingSeconds / 60);
+  remainingSeconds -= minutes * 60;
+
+  const parts = [
+    { unit: 'd' as const, value: days },
+    { unit: 'h' as const, value: hours },
+    { unit: 'm' as const, value: minutes },
+    { unit: 's' as const, value: remainingSeconds },
+  ].filter((part) => part.value > 0);
+
+  if (!parts.length) {
+    return formatDurationPart(0, 's', locale);
+  }
+
+  return parts
+    .slice(0, normalizeDurationMaxUnits(options.maxUnits))
+    .map((part, index) =>
+      formatDurationPart(part.value, part.unit, locale, {
+        minimumIntegerDigits: index > 0 && (part.unit === 'm' || part.unit === 's') ? 2 : 1,
+        maximumFractionDigits: 0,
+      })
+    )
+    .join(' ');
+}