fix: 修复 OpenAI WS 用量窗口刷新与限额纠偏

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

@@ -0,0 +1,39 @@
+import { describe, expect, it } from 'vitest'
+import { buildOpenAIUsageRefreshKey } from '../accountUsageRefresh'
+
+describe('buildOpenAIUsageRefreshKey', () => {
+  it('会在 codex 快照变化时生成不同 key', () => {
+    const base = {
+      id: 1,
+      platform: 'openai',
+      type: 'oauth',
+      updated_at: '2026-03-07T10:00:00Z',
+      extra: {
+        codex_usage_updated_at: '2026-03-07T10:00:00Z',
+        codex_5h_used_percent: 0,
+        codex_7d_used_percent: 0
+      }
+    } as any
+
+    const next = {
+      ...base,
+      extra: {
+        ...base.extra,
+        codex_usage_updated_at: '2026-03-07T10:01:00Z',
+        codex_5h_used_percent: 100
+      }
+    }
+
+    expect(buildOpenAIUsageRefreshKey(base)).not.toBe(buildOpenAIUsageRefreshKey(next))
+  })
+
+  it('非 OpenAI OAuth 账号返回空 key', () => {
+    expect(buildOpenAIUsageRefreshKey({
+      id: 2,
+      platform: 'anthropic',
+      type: 'oauth',
+      updated_at: '2026-03-07T10:00:00Z',
+      extra: {}
+    } as any)).toBe('')
+  })
+})

frontend/src/utils/accountUsageRefresh.ts

@@ -0,0 +1,28 @@
+import type { Account } from '@/types'
+
+const normalizeUsageRefreshValue = (value: unknown): string => {
+  if (value == null) return ''
+  return String(value)
+}
+
+export const buildOpenAIUsageRefreshKey = (account: Pick<Account, 'id' | 'platform' | 'type' | 'updated_at' | 'rate_limit_reset_at' | 'extra'>): string => {
+  if (account.platform !== 'openai' || account.type !== 'oauth') {
+    return ''
+  }
+
+  const extra = account.extra ?? {}
+  return [
+    account.id,
+    account.updated_at,
+    account.rate_limit_reset_at,
+    extra.codex_usage_updated_at,
+    extra.codex_5h_used_percent,
+    extra.codex_5h_reset_at,
+    extra.codex_5h_reset_after_seconds,
+    extra.codex_5h_window_minutes,
+    extra.codex_7d_used_percent,
+    extra.codex_7d_reset_at,
+    extra.codex_7d_reset_after_seconds,
+    extra.codex_7d_window_minutes
+  ].map(normalizeUsageRefreshValue).join('|')
+}