未知（继上次中断）

frontend/src/types/notifications.ts

@@ -0,0 +1,11 @@
+export interface NotificationItem {
+  id: string;
+  document_id: string;
+  version_id: string;
+  document_title: string;
+  document_no?: string | null;
+  version_no: string;
+  change_summary?: string | null;
+  effective_at?: string | null;
+  created_at: string;
+}

frontend/src/types/visits.ts

@@ -0,0 +1,9 @@
+export interface VisitLostItem {
+  visit_id: string;
+  subject_id: string;
+  subject_no: string;
+  site_id?: string | null;
+  visit_code: string;
+  status: string;
+  updated_at: string;
+}