feat: add managed domains and TLS certificates management features

- Implemented ApplyLogItem interface for logging purposes.
- Created API functions for managing domains including CRUD operations.
- Developed ManagedDomainsPage component for domain management UI with form handling and state management.
- Defined ManagedDomainItem and related types for domain data structure.
- Added API functions for managing TLS certificates including creation, deletion, and file import.
- Built TlsCertificatesPage component for certificate management with manual and file import options.
- Introduced types for TLS certificate items and mutation payloads.

atsf_server/web/app/(dashboard)/managed-domains/page.tsx

@@ -1,10 +1,5 @@
-import { ModulePageSkeleton } from '@/features/shared/components/module-page-skeleton';
-
-export default function ManagedDomainsPage() {
-  return (
-    <ModulePageSkeleton
-      title='域名管理'
-      description='阶段 3 将在此接入域名列表、证书绑定状态与启用切换。'
-    />
-  );
-}
+import { ManagedDomainsPage as ManagedDomainsFeaturePage } from '@/features/managed-domains/components/managed-domains-page';
+
+export default function ManagedDomainsPage() {
+  return <ManagedDomainsFeaturePage />;
+}