fix(data): 清理旧数据并保护服务端写入

apps/web/lib/member-list.ts

@@ -0,0 +1,50 @@
+import type { Department, Member } from './members';
+
+interface FilterMembersForListInput {
+  members: Member[];
+  departments: Department[];
+  activeDeptId: string | null;
+  nameKeyword: string;
+}
+
+function collectDepartmentTreeIds(departments: Department[], departmentId: string): Set<string> {
+  const ids = new Set<string>([departmentId]);
+  let changed = true;
+
+  while (changed) {
+    changed = false;
+    for (const department of departments) {
+      if (department.parentId && ids.has(department.parentId) && !ids.has(department.id)) {
+        ids.add(department.id);
+        changed = true;
+      }
+    }
+  }
+
+  return ids;
+}
+
+export function filterMembersForList({
+  members,
+  departments,
+  activeDeptId,
+  nameKeyword,
+}: FilterMembersForListInput): Member[] {
+  const keyword = nameKeyword.trim().toLowerCase();
+  const visibleDepartmentIds = activeDeptId ? collectDepartmentTreeIds(departments, activeDeptId) : null;
+
+  return members.filter((member) => {
+    if (visibleDepartmentIds && !visibleDepartmentIds.has(member.departmentId)) return false;
+    if (!keyword) return true;
+    return member.name.toLowerCase().includes(keyword);
+  });
+}
+
+export function resolveLatestEditingMember(editingMember: Member | null, members: Member[]): Member | null {
+  if (!editingMember) return null;
+  return members.find((member) => member.id === editingMember.id) ?? editingMember;
+}
+
+export function getDisplayedAccountPassword(member: Member | null, generatedPassword: string): string {
+  return member?.password || generatedPassword;
+}