fix(frontend): 修复账号管理页面分组显示和 Cookie 授权问题

- 新增 AccountGroupsCell 组件优化分组列显示（最多4个+折叠）
- 修复 Cookie 自动授权时 group_ids/notes/expires_at 字段丢失
- 修复 SettingsView 流超时配置前后端字段不一致问题

frontend/src/views/admin/AccountsView.vue

@@ -56,10 +56,7 @@
             <AccountTodayStatsCell :account="row" />
           </template>
           <template #cell-groups="{ row }">
-            <div v-if="row.groups && row.groups.length > 0" class="flex flex-wrap gap-1.5">
-              <GroupBadge v-for="group in row.groups" :key="group.id" :name="group.name" :platform="group.platform" :subscription-type="group.subscription_type" :rate-multiplier="group.rate_multiplier" :show-rate="false" />
-            </div>
-            <span v-else class="text-sm text-gray-400 dark:text-dark-500">-</span>
+            <AccountGroupsCell :groups="row.groups" :max-display="4" />
           </template>
           <template #cell-usage="{ row }">
             <AccountUsageCell :account="row" />
@@ -145,7 +142,7 @@ import AccountStatsModal from '@/components/admin/account/AccountStatsModal.vue'
 import AccountStatusIndicator from '@/components/account/AccountStatusIndicator.vue'
 import AccountUsageCell from '@/components/account/AccountUsageCell.vue'
 import AccountTodayStatsCell from '@/components/account/AccountTodayStatsCell.vue'
-import GroupBadge from '@/components/common/GroupBadge.vue'
+import AccountGroupsCell from '@/components/account/AccountGroupsCell.vue'
 import PlatformTypeBadge from '@/components/common/PlatformTypeBadge.vue'
 import { formatDateTime, formatRelativeTime } from '@/utils/format'
 import type { Account, Proxy, Group } from '@/types'

frontend/src/views/admin/SettingsView.vue

@@ -183,23 +183,6 @@
                 v-if="streamTimeoutForm.enabled"
                 class="space-y-4 border-t border-gray-100 pt-4 dark:border-dark-700"
               >
-                <!-- Timeout Seconds -->
-                <div>
-                  <label class="mb-2 block text-sm font-medium text-gray-700 dark:text-gray-300">
-                    {{ t('admin.settings.streamTimeout.timeoutSeconds') }}
-                  </label>
-                  <input
-                    v-model.number="streamTimeoutForm.timeout_seconds"
-                    type="number"
-                    min="30"
-                    max="300"
-                    class="input w-32"
-                  />
-                  <p class="mt-1.5 text-xs text-gray-500 dark:text-gray-400">
-                    {{ t('admin.settings.streamTimeout.timeoutSecondsHint') }}
-                  </p>
-                </div>
-
                 <!-- Action -->
                 <div>
                   <label class="mb-2 block text-sm font-medium text-gray-700 dark:text-gray-300">
@@ -1000,7 +983,6 @@ const streamTimeoutLoading = ref(true)
 const streamTimeoutSaving = ref(false)
 const streamTimeoutForm = reactive({
   enabled: true,
-  timeout_seconds: 60,
   action: 'temp_unsched' as 'temp_unsched' | 'error' | 'none',
   temp_unsched_minutes: 5,
   threshold_count: 3,
@@ -1314,7 +1296,6 @@ async function saveStreamTimeoutSettings() {
   try {
     const updated = await adminAPI.settings.updateStreamTimeoutSettings({
       enabled: streamTimeoutForm.enabled,
-      timeout_seconds: streamTimeoutForm.timeout_seconds,
       action: streamTimeoutForm.action,
       temp_unsched_minutes: streamTimeoutForm.temp_unsched_minutes,
       threshold_count: streamTimeoutForm.threshold_count,