实现企业银行账户与建行制单（corporate-bank-account-payment-order）

client/src/pages/SystemSettingsPage.tsx

@@ -24,6 +24,7 @@ const ITEMS: ManagementItem[] = [
   { to: "/system/workspace", icon: "dashboard_customize", title: "工作区", description: "菜单入口、模块显隐和小团队基线。", group: "系统与审计", anyOf: ["system.settings"] },
   { to: "/audit-logs", icon: "manage_search", title: "审计日志", description: "关键操作留痕和排障。", group: "系统与审计", anyOf: ["system.audit.view"] },
   { to: "/system/master-data", icon: "dataset", title: "主数据", description: "法体、成本中心、供应商等基础数据。", group: "功能管理", anyOf: ["masterdata.view", "masterdata.manage"] },
+  { to: "/system/payment-accounts", icon: "account_balance", title: "企业银行账户", description: "维护付款来源账户、脱敏查看与变更留痕。", group: "功能管理", anyOf: ["payment.account.read", "payment.account.manage"] },
   { to: "/system/notification-channels", icon: "notifications_active", title: "通知渠道", description: "企业微信、邮件等补充通知。", group: "功能管理", anyOf: ["notification.channel.manage"] },
   { to: "/system/feature-flags", icon: "toggle_on", title: "功能管理", description: "功能开关、灰度和试运行边界。", group: "功能管理", anyOf: ["system.settings"] },
 ];