feat: 完善学生生命周期管理与权限范围并发布 1.4.2

packages/server/prisma/migrations/20261023000000_promotion_permission/migration.sql

@@ -0,0 +1,6 @@
+-- 已存在的管理员默认组补升级键；默认组尚未初始化时由运行时模板创建。
+INSERT INTO "PermissionGroupItem" ("id", "groupId", "key")
+SELECT 'promotion-key-' || "id", "id", 'promotion:manage'
+FROM "PermissionGroup"
+WHERE "defaultRole" = 'ADMIN'
+AND NOT EXISTS (SELECT 1 FROM "PermissionGroupItem" i WHERE i."groupId" = "PermissionGroup"."id" AND i."key" = 'promotion:manage');