feat: 账户时间线详情页与接口完善

- 后端新增 /admin/accounts/:accountId/usage-records 接口，支持按账户聚合多 Key 记录并分页筛选、汇总统计
  - 修复 API Key 时间线账户筛选跳过已删除账号，补充账户/Key 辅助解析
  - 前端新增 AccountUsageRecordsView、路由及账户列表“时间线”入口，支持模型/API Key 筛选与 CSV 导出
  - 补装 prettier-plugin-tailwindcss 并完成相关文件格式化

web/admin-spa/src/views/AccountsView.vue

@@ -1199,6 +1199,15 @@
                       <i class="fas fa-chart-line" />
                       <span class="ml-1">详情</span>
                     </button>
+                    <button
+                      v-if="canViewUsage(account)"
+                      class="rounded bg-purple-100 px-2.5 py-1 text-xs font-medium text-purple-700 transition-colors hover:bg-purple-200"
+                      title="请求时间线"
+                      @click="viewAccountTimeline(account)"
+                    >
+                      <i class="fas fa-clock" />
+                      <span class="ml-1">时间线</span>
+                    </button>
                     <button
                       v-if="canTestAccount(account)"
                       class="rounded bg-cyan-100 px-2.5 py-1 text-xs font-medium text-cyan-700 transition-colors hover:bg-cyan-200 dark:bg-cyan-900/40 dark:text-cyan-300 dark:hover:bg-cyan-800/50"
@@ -1668,6 +1677,14 @@
               <i class="fas fa-chart-line" />
               详情
             </button>
+            <button
+              v-if="canViewUsage(account)"
+              class="flex flex-1 items-center justify-center gap-1 rounded-lg bg-purple-50 px-3 py-2 text-xs text-purple-600 transition-colors hover:bg-purple-100"
+              @click="viewAccountTimeline(account)"
+            >
+              <i class="fas fa-clock" />
+              时间线
+            </button>
 
             <button
               v-if="canTestAccount(account)"
@@ -1855,6 +1872,7 @@
 
 <script setup>
 import { ref, computed, onMounted, onUnmounted, watch, nextTick } from 'vue'
+import { useRouter } from 'vue-router'
 import { showToast } from '@/utils/toast'
 import { apiClient } from '@/config/api'
 import { useConfirm } from '@/composables/useConfirm'
@@ -1869,6 +1887,7 @@ import ActionDropdown from '@/components/common/ActionDropdown.vue'
 
 // 使用确认弹窗
 const { showConfirmModal, confirmOptions, showConfirm, handleConfirm, handleCancel } = useConfirm()
+const router = useRouter()
 
 // 数据状态
 const accounts = ref([])
@@ -2100,6 +2119,13 @@ const getAccountActions = (account) => {
       color: 'indigo',
       handler: () => openAccountUsageModal(account)
     })
+    actions.push({
+      key: 'timeline',
+      label: '请求时间线',
+      icon: 'fa-clock',
+      color: 'purple',
+      handler: () => viewAccountTimeline(account)
+    })
   }
 
   // 测试账户
@@ -2160,6 +2186,13 @@ const openAccountUsageModal = async (account) => {
   }
 }
 
+const viewAccountTimeline = (account) => {
+  router.push({
+    path: `/accounts/${account.id}/usage-records`,
+    query: { platform: account.platform || account.accountType }
+  })
+}
+
 const closeAccountUsageModal = () => {
   showAccountUsageModal.value = false
   accountUsageLoading.value = false