fix: 修复 OpenAI WS 用量刷新遗漏场景

frontend/src/components/account/AccountUsageCell.vue

@@ -412,14 +412,24 @@ const isActiveOpenAIRateLimited = computed(() => {
 })
 
 const preferFetchedOpenAIUsage = computed(() => {
-  return isActiveOpenAIRateLimited.value && hasOpenAIUsageFallback.value
+  return (isActiveOpenAIRateLimited.value || isOpenAICodexSnapshotStale.value) && hasOpenAIUsageFallback.value
 })
 
 const openAIUsageRefreshKey = computed(() => buildOpenAIUsageRefreshKey(props.account))
 
+const isOpenAICodexSnapshotStale = computed(() => {
+  if (props.account.platform !== 'openai' || props.account.type !== 'oauth') return false
+  const extra = props.account.extra as Record<string, unknown> | undefined
+  const updatedAtRaw = extra?.codex_usage_updated_at
+  if (!updatedAtRaw) return true
+  const updatedAt = Date.parse(String(updatedAtRaw))
+  if (Number.isNaN(updatedAt)) return true
+  return Date.now() - updatedAt >= 10 * 60 * 1000
+})
+
 const shouldAutoLoadUsageOnMount = computed(() => {
   if (props.account.platform === 'openai' && props.account.type === 'oauth') {
-    return isActiveOpenAIRateLimited.value || !hasCodexUsage.value
+    return isActiveOpenAIRateLimited.value || !hasCodexUsage.value || isOpenAICodexSnapshotStale.value
   }
   return shouldFetchUsage.value
 })
@@ -807,7 +817,7 @@ onMounted(() => {
 watch(openAIUsageRefreshKey, (nextKey, prevKey) => {
   if (!prevKey || nextKey === prevKey) return
   if (props.account.platform !== 'openai' || props.account.type !== 'oauth') return
-  if (!isActiveOpenAIRateLimited.value && hasCodexUsage.value) return
+  if (!isActiveOpenAIRateLimited.value && hasCodexUsage.value && !isOpenAICodexSnapshotStale.value) return
 
   loadUsage().catch((e) => {
     console.error('Failed to refresh OpenAI usage:', e)

frontend/src/components/account/__tests__/AccountUsageCell.spec.ts

@@ -69,6 +69,67 @@ describe('AccountUsageCell', () => {
   })
 
 
+  it('OpenAI OAuth 快照已过期时首屏会重新请求 usage', async () => {
+    getUsage.mockResolvedValue({
+      five_hour: {
+        utilization: 15,
+        resets_at: '2026-03-08T12:00:00Z',
+        remaining_seconds: 3600,
+        window_stats: {
+          requests: 3,
+          tokens: 300,
+          cost: 0.03,
+          standard_cost: 0.03,
+          user_cost: 0.03
+        }
+      },
+      seven_day: {
+        utilization: 77,
+        resets_at: '2026-03-13T12:00:00Z',
+        remaining_seconds: 3600,
+        window_stats: {
+          requests: 3,
+          tokens: 300,
+          cost: 0.03,
+          standard_cost: 0.03,
+          user_cost: 0.03
+        }
+      }
+    })
+
+    const wrapper = mount(AccountUsageCell, {
+      props: {
+        account: {
+          id: 2000,
+          platform: 'openai',
+          type: 'oauth',
+          extra: {
+            codex_usage_updated_at: '2026-03-07T00:00:00Z',
+            codex_5h_used_percent: 12,
+            codex_5h_reset_at: '2026-03-08T12:00:00Z',
+            codex_7d_used_percent: 34,
+            codex_7d_reset_at: '2026-03-13T12:00:00Z'
+          }
+        } as any
+      },
+      global: {
+        stubs: {
+          UsageProgressBar: {
+            props: ['label', 'utilization', 'resetsAt', 'windowStats', 'color'],
+            template: '<div class="usage-bar">{{ label }}|{{ utilization }}|{{ windowStats?.tokens }}</div>'
+          },
+          AccountQuotaInfo: true
+        }
+      }
+    })
+
+    await flushPromises()
+
+    expect(getUsage).toHaveBeenCalledWith(2000)
+    expect(wrapper.text()).toContain('5h|15|300')
+    expect(wrapper.text()).toContain('7d|77|300')
+  })
+
   it('OpenAI OAuth 有现成快照且未限额时不会首屏请求 usage', async () => {
     const wrapper = mount(AccountUsageCell, {
       props: {
@@ -77,6 +138,7 @@ describe('AccountUsageCell', () => {
           platform: 'openai',
           type: 'oauth',
           extra: {
+            codex_usage_updated_at: '2099-03-07T10:00:00Z',
             codex_5h_used_percent: 12,
             codex_5h_reset_at: '2099-03-07T12:00:00Z',
             codex_7d_used_percent: 34,