feat: team org panel, admin CRUD, local deploy tools, bidirectional data sync

Add TeamMember model and APIs, team status UI, /admin page, local server bats,
and scripts to sync data between local PostgreSQL and Render.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/hooks/useTeamMembers.ts

@@ -0,0 +1,14 @@
+import { useQuery } from '@tanstack/react-query';
+import { apiClient } from '../lib/apiClient';
+import type { TeamMember } from '../types';
+
+export function useTeamMembers() {
+  return useQuery({
+    queryKey: ['team-members'],
+    queryFn: async () => {
+      const { data } = await apiClient.get<TeamMember[]>('/team-members');
+      return data;
+    },
+    staleTime: 60_000,
+  });
+}

frontend/src/hooks/useTeamMembersAdmin.ts

@@ -0,0 +1,85 @@
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
+import { apiClient, getApiErrorMessage } from '../lib/apiClient';
+import type { TeamMember } from '../types';
+
+export interface TeamMemberForm {
+  name: string;
+  rank: string;
+  role: string;
+  cell: string;
+  contact: string;
+  photoUrl: string;
+  sortOrder: number;
+}
+
+export const EMPTY_MEMBER_FORM: TeamMemberForm = {
+  name: '',
+  rank: '',
+  role: '',
+  cell: 'HR',
+  contact: '',
+  photoUrl: '',
+  sortOrder: 0,
+};
+
+export function memberToForm(member: TeamMember): TeamMemberForm {
+  return {
+    name: member.name,
+    rank: member.rank ?? '',
+    role: member.role ?? '',
+    cell: member.cell ?? '리더',
+    contact: member.contact ?? '',
+    photoUrl: member.photoUrl ?? '',
+    sortOrder: member.sortOrder ?? 0,
+  };
+}
+
+export function formToPayload(form: TeamMemberForm) {
+  return {
+    name: form.name.trim(),
+    rank: form.rank.trim() || null,
+    role: form.role.trim() || null,
+    cell: form.cell.trim() || null,
+    contact: form.contact.trim() || null,
+    photoUrl: form.photoUrl.trim() || null,
+    sortOrder: Number(form.sortOrder) || 0,
+  };
+}
+
+export function useTeamMembersAdmin() {
+  const queryClient = useQueryClient();
+
+  const query = useQuery({
+    queryKey: ['team-members', 'admin'],
+    queryFn: async () => {
+      const { data } = await apiClient.get<TeamMember[]>('/team-members', {
+        params: { all: '1' },
+      });
+      return data.filter((m) => m.isActive !== false);
+    },
+  });
+
+  const invalidate = () => {
+    queryClient.invalidateQueries({ queryKey: ['team-members'] });
+    queryClient.invalidateQueries({ queryKey: ['team-members', 'admin'] });
+  };
+
+  const create = useMutation({
+    mutationFn: (form: TeamMemberForm) =>
+      apiClient.post('/team-members', formToPayload(form)),
+    onSuccess: invalidate,
+  });
+
+  const update = useMutation({
+    mutationFn: ({ id, form }: { id: string; form: TeamMemberForm }) =>
+      apiClient.patch(`/team-members/${id}`, formToPayload(form)),
+    onSuccess: invalidate,
+  });
+
+  const remove = useMutation({
+    mutationFn: (id: string) => apiClient.delete(`/team-members/${id}`),
+    onSuccess: invalidate,
+  });
+
+  return { query, create, update, remove, getApiErrorMessage };
+}