fix(providers): derive Codex primary quota label from window

frontend/src/features/providers/components/ProviderDetailDrawer.vue

@@ -189,10 +189,10 @@
                         class="grid gap-3"
                         :class="isCodexTeamPlan(key) ? 'grid-cols-2' : 'grid-cols-1'"
                       >
-                        <!-- 周限额 -->
+                        <!-- 主限额 -->
                         <ProviderQuotaProgressRow
                           v-if="getCodexQuotaDisplay(key)?.primary_used_percent !== undefined"
-                          :label="legacyT('周限额')"
+                          :label="legacyT(getCodexPrimaryQuotaLabel(key))"
                           :used-percent="getCodexQuotaDisplay(key)?.primary_used_percent || 0"
                           :remaining-percent="toCodexRemainingPercent(getCodexQuotaDisplay(key)?.primary_used_percent)"
                           :meter-class="getQuotaRemainingClass(getCodexQuotaDisplay(key)?.primary_used_percent || 0)"
@@ -1021,6 +1021,10 @@ import { formatApiFormatShort } from '@/api/endpoints/types/api-format'
 import { isOAuthAccountProviderType, isKeyManagedProviderType } from '../utils/providerTypeUtils'
 import { getOAuthOrgBadge } from '@/utils/oauthIdentity'
 import { getOAuthRefreshFeedback } from '@/utils/oauthRefreshFeedback'
+import {
+  getCodexPrimaryQuotaWindow,
+  getCodexQuotaWindowLimitLabel,
+} from '@/utils/codexQuotaWindow'
 import { formatCompactNumber } from '@/utils/format'
 import {
   canEditOAuthCredential,
@@ -1945,7 +1949,7 @@ function getCodexQuotaDisplayFromSnapshot(quota: QuotaStatusSnapshot | null | un
   if (updatedAt !== undefined) display.updated_at = updatedAt
   if (quota.plan_type) display.plan_type = quota.plan_type
 
-  const primaryWindow = getQuotaWindow(quota, 'weekly')
+  const primaryWindow = getCodexPrimaryQuotaWindow(quota.windows)
   const primaryUsedPercent = getQuotaWindowUsedPercent(primaryWindow)
   if (primaryUsedPercent !== undefined) display.primary_used_percent = primaryUsedPercent
   const primaryResetAt = getQuotaWindowResetAt(primaryWindow)
@@ -2004,6 +2008,14 @@ function getCodexQuotaDisplay(key: EndpointAPIKey): CodexUpstreamMetadata | null
   return mergeCodexQuotaDisplays(snapshotDisplay, metadataDisplay)
 }
 
+function getCodexPrimaryQuotaLabel(key: EndpointAPIKey): string {
+  return getCodexQuotaWindowLimitLabel({
+    code: 'weekly',
+    label: '周',
+    window_minutes: getCodexQuotaDisplay(key)?.primary_window_minutes,
+  }) || '周限额'
+}
+
 function hasCodexQuotaDisplayData(key: EndpointAPIKey): boolean {
   const codex = getCodexQuotaDisplay(key)
   return !!codex && (

frontend/src/i18n/messages.ts

@@ -1821,6 +1821,7 @@ const legacyExactEnglishMessages: Record<string, string> = {
   '账号配额': 'Account quota',
   '模型配额': 'Model quota',
   '周限额': 'Weekly limit',
+  '月限额': 'Monthly limit',
   '5H限额': '5H limit',
   'Spark 周': 'Spark weekly',
   'Spark 5H': 'Spark 5H',

frontend/src/utils/__tests__/codexQuotaWindow.spec.ts

@@ -1,6 +1,10 @@
 import { describe, expect, it } from 'vitest'
 
-import { getCodexQuotaWindowPresentation } from '../codexQuotaWindow'
+import {
+  getCodexPrimaryQuotaWindow,
+  getCodexQuotaWindowLimitLabel,
+  getCodexQuotaWindowPresentation,
+} from '../codexQuotaWindow'
 
 describe('getCodexQuotaWindowPresentation', () => {
   it.each([
@@ -25,6 +29,22 @@ describe('getCodexQuotaWindowPresentation', () => {
     expect(windows.sort((a, b) => a.sortOrder - b.sortOrder).map(item => item.label)).toEqual(['5H', '周'])
   })
 
+  it('builds the provider limit label from the actual window duration', () => {
+    expect(getCodexQuotaWindowLimitLabel({ code: 'weekly', window_minutes: 10_080 })).toBe('周限额')
+    expect(getCodexQuotaWindowLimitLabel({ code: 'weekly', window_minutes: 43_800 })).toBe('月限额')
+  })
+
+  it('selects a monthly primary window over a zero-minute weekly placeholder', () => {
+    const monthly = { code: 'monthly', label: '月', window_minutes: 43_800, used_ratio: 0.02 }
+    const selected = getCodexPrimaryQuotaWindow([
+      monthly,
+      { code: 'weekly', label: '周', window_minutes: 0, used_ratio: 1 },
+    ])
+
+    expect(selected).toEqual(monthly)
+    expect(getCodexQuotaWindowLimitLabel(selected!)).toBe('月限额')
+  })
+
   it('drops zero-minute placeholder windows', () => {
     expect(getCodexQuotaWindowPresentation({
       code: 'weekly',

frontend/src/utils/codexQuotaWindow.ts

@@ -60,3 +60,20 @@ export function getCodexQuotaWindowPresentation(
     sortOrder: (isSpark ? 10_000_000 : 0) + (hasExplicitWindowMinutes ? windowMinutes : fallbackOrder),
   }
 }
+
+export function getCodexQuotaWindowLimitLabel(window: QuotaWindowSnapshot): string | null {
+  const presentation = getCodexQuotaWindowPresentation(window)
+  return presentation ? `${presentation.label}限额` : null
+}
+
+export function getCodexPrimaryQuotaWindow(
+  windows: QuotaWindowSnapshot[] | null | undefined,
+): QuotaWindowSnapshot | null {
+  if (!Array.isArray(windows)) return null
+
+  for (const code of ['monthly', 'weekly']) {
+    const window = windows.find(candidate => String(candidate.code || '').trim().toLowerCase() === code)
+    if (window && getCodexQuotaWindowPresentation(window)) return window
+  }
+  return null
+}