feat: v0.12.5 admin 保护 + 管理员角色切换 + 团队详情加宽

①admin 账号不可被禁用（包括自己，防误操作）
②admin 密码不可被其他超管重置（admin 自己可以）
③超管可在团队详情点击角色切换成员/管理员
④团队详情弹窗宽度 1080→1280px

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/apps/generation/urls.py

@@ -22,6 +22,7 @@ urlpatterns = [
     path('admin/teams/<int:team_id>/topup', views.admin_team_topup_view, name='admin_team_topup'),
     path('admin/teams/<int:team_id>/set-pool', views.admin_team_set_pool_view, name='admin_team_set_pool'),
     path('admin/teams/<int:team_id>/admin', views.admin_team_create_admin_view, name='admin_team_create_admin'),
+    path('admin/teams/<int:team_id>/members/<int:member_id>/role', views.admin_team_member_role_view, name='admin_team_member_role'),
 
     # ── Super Admin: User management ──
     path('admin/users', views.admin_users_list_view, name='admin_users_list'),

backend/apps/generation/views.py

@@ -1019,6 +1019,36 @@ def admin_team_detail_view(request, team_id):
     })
 
 
+@api_view(['PATCH'])
+@permission_classes([IsSuperAdmin])
+def admin_team_member_role_view(request, team_id, member_id):
+    """PATCH /api/v1/admin/teams/<id>/members/<id>/role — Toggle team admin role."""
+    try:
+        team = Team.objects.get(id=team_id)
+    except Team.DoesNotExist:
+        return Response({'error': '团队不存在'}, status=status.HTTP_404_NOT_FOUND)
+    try:
+        member = team.members.get(id=member_id)
+    except User.DoesNotExist:
+        return Response({'error': '成员不存在'}, status=status.HTTP_404_NOT_FOUND)
+
+    is_admin = request.data.get('is_team_admin')
+    if is_admin is None:
+        return Response({'error': '请提供 is_team_admin 参数'}, status=status.HTTP_400_BAD_REQUEST)
+
+    before = {'is_team_admin': member.is_team_admin}
+    member.is_team_admin = bool(is_admin)
+    member.save(update_fields=['is_team_admin'])
+    log_admin_action(request, 'team_update', 'user', target_id=member.id, target_name=member.username,
+                     before=before, after={'is_team_admin': member.is_team_admin})
+
+    return Response({
+        'user_id': member.id,
+        'username': member.username,
+        'is_team_admin': member.is_team_admin,
+    })
+
+
 @api_view(['POST'])
 @permission_classes([IsSuperAdmin])
 def admin_team_topup_view(request, team_id):
@@ -1419,6 +1449,10 @@ def admin_user_status_view(request, user_id):
     except User.DoesNotExist:
         return Response({'error': '用户不存在'}, status=status.HTTP_404_NOT_FOUND)
 
+    # 保护 admin 账号不被任何人禁用（包括自己，防误操作）
+    if user.username == 'admin':
+        return Response({'error': '不能禁用超级管理员账号'}, status=status.HTTP_403_FORBIDDEN)
+
     serializer = UserStatusSerializer(data=request.data)
     serializer.is_valid(raise_exception=True)
 
@@ -1451,6 +1485,10 @@ def admin_reset_password_view(request, user_id):
     except User.DoesNotExist:
         return Response({'error': '用户不存在'}, status=status.HTTP_404_NOT_FOUND)
 
+    # 保护 admin 账号密码不被其他超管重置
+    if user.username == 'admin' and request.user.username != 'admin':
+        return Response({'error': '不能重置超级管理员的密码'}, status=status.HTTP_403_FORBIDDEN)
+
     new_password = request.data.get('new_password', '')
     if len(new_password) < 8:
         return Response({'error': '密码至少8位'}, status=status.HTTP_400_BAD_REQUEST)

web/src/lib/api.ts

@@ -190,6 +190,9 @@ export const adminApi = {
   createTeamAdmin: (teamId: number, data: { username: string; email: string; password: string }) =>
     api.post(`/admin/teams/${teamId}/admin`, data),
 
+  setMemberRole: (teamId: number, memberId: number, isTeamAdmin: boolean) =>
+    api.patch(`/admin/teams/${teamId}/members/${memberId}/role`, { is_team_admin: isTeamAdmin }),
+
   // User management
   createUser: (data: {
     username: string;

web/src/pages/TeamsPage.module.css

@@ -90,7 +90,7 @@
   -webkit-backdrop-filter: blur(24px) saturate(180%);
   border: 1px solid rgba(255, 255, 255, 0.08);
   border-radius: 16px;
-  width: 1080px;
+  width: 1280px;
   max-width: 96vw;
   min-height: 70vh;
   max-height: 90vh;

web/src/pages/TeamsPage.tsx

@@ -823,8 +823,22 @@ export function TeamsPage() {
                           <td>{m.email}</td>
                           <td>
                             {m.is_team_admin ? (
-                              <span className={styles.adminBadge}>管理员</span>
-                            ) : '成员'}
+                              <span className={styles.adminBadge} style={{ cursor: 'pointer' }} title="点击取消管理员" onClick={async () => {
+                                try {
+                                  await adminApi.setMemberRole(detailTeam!.id, m.id, false);
+                                  showToast('已取消管理员');
+                                  const { data: refreshed } = await adminApi.getTeamDetail(detailTeam!.id); setDetailTeam(refreshed);
+                                } catch { showToast('操作失败'); }
+                              }}>管理员</span>
+                            ) : (
+                              <span style={{ cursor: 'pointer', color: 'var(--color-text-secondary)' }} title="点击设为管理员" onClick={async () => {
+                                try {
+                                  await adminApi.setMemberRole(detailTeam!.id, m.id, true);
+                                  showToast('已设为管理员');
+                                  const { data: refreshed } = await adminApi.getTeamDetail(detailTeam!.id); setDetailTeam(refreshed);
+                                } catch { showToast('操作失败'); }
+                              }}>成员</span>
+                            )}
                           </td>
                           <td>
                             <span className={`${styles.statusBadge} ${m.is_active ? styles.active : styles.disabled}`}>