feat(密钥管理): 后台分组过滤+欠费状态识别

- 后台密钥列表：主管只看本组子账户(created_by_id=自己)，超管全量可按创建人筛选；行 VO 新增 createdById/createdByUsername
- 代理提取接口欠费(message=余额不足)识别为 insufficient_balance，不再静默回退直连
- 上游 LLM 网关欠费(code=insufficient_user_quota/预扣费额度失败)同样归为欠费并透传额度明细
- 前端：桌面设置面板显示"欠费"，admin 后台单格药丸显示"欠费"、新增所属管理员列与超管筛选

admin-frontend-vue/src/api/user-secrets.ts

@@ -19,6 +19,8 @@ export interface AdminUserSecretModule {
 export interface AdminUserSecretRow {
   userId: number
   username: string
+  createdById: number | null
+  createdByUsername: string
   similarAsin: AdminUserSecretModule
   appearancePatent: AdminUserSecretModule
   proxy: AdminUserSecretModule
@@ -34,9 +36,17 @@ export interface AdminUserSecretPage {
   pageSize: number
 }
 
+/** 管理员下拉项（超管筛选用）。 */
+export interface AdminOption {
+  id: number
+  username: string
+}
+
 export interface UserSecretQuery {
   keyword?: string
   checkStatus?: string
+  /** 按创建人筛选（仅超管生效）。 */
+  createdById?: number
   page: number
   pageSize: number
 }

admin-frontend-vue/src/pages/account/UserSecretsPage.vue

@@ -3,6 +3,8 @@ import { computed, onMounted, ref } from 'vue'
 import { ElMessage } from 'element-plus'
 import { formatDateTime } from '@/utils/datetime'
 import OldPagination from '@/components/OldPagination.vue'
+import { useAdminSessionStore } from '@/stores/admin-session'
+import { fetchUserList } from '@/api/users'
 import {
   checkUserSecret,
   deleteUserSecret,
@@ -11,6 +13,7 @@ import {
   type AdminUserSecretRow,
 } from '@/api/user-secrets'
 
+const session = useAdminSessionStore()
 const loading = ref(false)
 const rows = ref<AdminUserSecretRow[]>([])
 const total = ref(0)
@@ -18,6 +21,9 @@ const page = ref(1)
 const pageSize = ref(15)
 const keyword = ref('')
 const statusFilter = ref('')
+const createdByIdFilter = ref<number | null>(null)
+/** 管理员下拉（仅超管可见/加载）。 */
+const adminOptions = ref<Array<{ id: number; username: string }>>([])
 /** 正在检测的行 userId，用于按钮 loading 态。 */
 const checkingId = ref<number | null>(null)
 
@@ -48,7 +54,7 @@ function rowStatusMeta(status: string) {
   }
 }
 
-/** 单格状态药丸：未配置时统一灰色。 */
+/** 单格状态药丸：未配置时统一灰色；欠费单独标识。 */
 function moduleStatusMeta(module: AdminUserSecretModule | undefined) {
   if (!module || !module.exists) {
     return { label: '未配置', tone: 'is-unknown' }
@@ -57,6 +63,9 @@ function moduleStatusMeta(module: AdminUserSecretModule | undefined) {
     case 'passed':
       return { label: '通过', tone: 'is-allowed' }
     case 'failed':
+      if (module.checkCode === 'insufficient_balance') {
+        return { label: '欠费', tone: 'is-warn' }
+      }
       return { label: '失败', tone: 'is-blocked' }
     case 'error':
       return { label: '无法判定', tone: 'is-warn' }
@@ -82,12 +91,23 @@ function rowStatusTooltip(row: AdminUserSecretRow) {
   return parts.join('；') || '暂无检测记录'
 }
 
+async function loadAdminOptions() {
+  if (!session.isSuperAdmin) return
+  try {
+    const result = await fetchUserList({ page: 1, pageSize: 999, role: 'admin' })
+    adminOptions.value = result.admins || []
+  } catch (error) {
+    console.warn('[user-secrets] 管理员下拉加载失败', error)
+  }
+}
+
 async function load() {
   loading.value = true
   try {
     const result = await fetchUserSecretList({
       keyword: keyword.value.trim() || undefined,
       checkStatus: statusFilter.value || undefined,
+      createdById: createdByIdFilter.value || undefined,
       page: page.value,
       pageSize: pageSize.value,
     })
@@ -108,6 +128,7 @@ function search() {
 function reset() {
   keyword.value = ''
   statusFilter.value = ''
+  createdByIdFilter.value = null
   page.value = 1
   load()
 }
@@ -162,7 +183,10 @@ function changeSize(size: number) {
   load()
 }
 
-onMounted(load)
+onMounted(() => {
+  loadAdminOptions()
+  load()
+})
 </script>
 
 <template>
@@ -183,6 +207,13 @@ onMounted(load)
             <option v-for="option in STATUS_OPTIONS" :key="option.value" :value="option.value">{{ option.label }}</option>
           </select>
         </div>
+        <div class="form-group" v-if="session.isSuperAdmin" style="min-width: 170px">
+          <label>所属管理员</label>
+          <select v-model="createdByIdFilter">
+            <option :value="null">全部管理员</option>
+            <option v-for="admin in adminOptions" :key="admin.id" :value="admin.id">{{ admin.username }}</option>
+          </select>
+        </div>
         <div class="form-group">
           <label>&nbsp;</label>
           <div class="filter-actions">
@@ -198,6 +229,7 @@ onMounted(load)
             <tr>
               <th style="width: 58px">序号</th>
               <th style="width: 260px">用户</th>
+              <th style="width: 130px">所属管理员</th>
               <th style="width: 230px">货源查询密钥</th>
               <th style="width: 230px">外观专利密钥</th>
               <th style="width: 230px">代理设置</th>
@@ -212,6 +244,9 @@ onMounted(load)
                 <td>
                   <span class="user-name">{{ row.username || '—' }}</span>
                 </td>
+                <td>
+                  <span class="creator-name">{{ row.createdByUsername || (row.createdById ? `UID ${row.createdById}` : '—') }}</span>
+                </td>
                 <td>
                   <div class="module-cell">
                     <span v-if="row.similarAsin?.exists" class="mono-mask" :title="moduleTooltip(row.similarAsin)">{{ row.similarAsin.masked }}</span>
@@ -258,10 +293,10 @@ onMounted(load)
               </tr>
             </template>
             <tr v-else-if="loading">
-              <td colspan="7" class="empty-tip">加载中...</td>
+              <td colspan="8" class="empty-tip">加载中...</td>
             </tr>
             <tr v-else>
-              <td colspan="7" class="empty-tip">{{ keyword || statusFilter ? '暂无匹配记录' : '暂无用户密钥记录' }}</td>
+              <td colspan="8" class="empty-tip">{{ keyword || statusFilter || createdByIdFilter ? '暂无匹配记录' : '暂无用户密钥记录' }}</td>
             </tr>
           </tbody>
         </table>
@@ -408,7 +443,7 @@ h3 {
   width: 100%;
   border-collapse: collapse;
   table-layout: fixed;
-  min-width: 1310px;
+  min-width: 1440px;
 }
 .secrets-table-scroll th,
 .secrets-table-scroll td {
@@ -443,6 +478,10 @@ h3 {
   white-space: normal;
   overflow-wrap: anywhere;
 }
+.creator-name {
+  color: #5b6f83;
+  font-size: 12.5px;
+}
 .module-cell {
   display: flex;
   align-items: center;