feat(admin): Phase 4 行业配置管理页面 + 账号行业授权

- 新增 Industries.tsx: 行业列表(ProTable) + 编辑弹窗(关键词/prompt/痛点种子) + 新建弹窗
- 新增 services/industries.ts: 行业 API 服务层(list/create/update/fullConfig/accountIndustries)
- 增强 Accounts.tsx: 编辑弹窗添加行业授权多选, 自动获取/同步用户行业
- 注册 /industries 路由 + 侧边栏导航(ShopOutlined)

admin-v2/src/layouts/AdminLayout.tsx

@@ -21,6 +21,7 @@ import {
   SafetyOutlined,
   FieldTimeOutlined,
   SyncOutlined,
+  ShopOutlined,
 } from '@ant-design/icons'
 import { Avatar, Dropdown, Tooltip, Drawer } from 'antd'
 import { useAuthStore } from '@/stores/authStore'
@@ -50,6 +51,7 @@ const navItems: NavItem[] = [
   { path: '/relay', name: '中转任务', icon: <SwapOutlined />, permission: 'relay:use', group: '运维' },
   { path: '/scheduled-tasks', name: '定时任务', icon: <FieldTimeOutlined />, permission: 'scheduler:read', group: '运维' },
   { path: '/knowledge', name: '知识库', icon: <BookOutlined />, permission: 'knowledge:read', group: '资源管理' },
+  { path: '/industries', name: '行业配置', icon: <ShopOutlined />, permission: 'config:read', group: '资源管理' },
   { path: '/billing', name: '计费管理', icon: <CrownOutlined />, permission: 'billing:read', group: '核心' },
   { path: '/logs', name: '操作日志', icon: <FileTextOutlined />, permission: 'admin:full', group: '运维' },
   { path: '/config-sync', name: '同步日志', icon: <SyncOutlined />, permission: 'config:read', group: '运维' },