feat(server): 试运行部署与运营基线（E13/E14/E17/E19/E20/E21）

- 增加 deploy/trialrun：Docker Compose + env 模板 + runbook + 发布/回滚 checklist

- 新增 DB/文件存储备份恢复脚本（backup/restore）

- 新增 system.users 运营接口：创建/启用禁用/重置密码/分配角色 + 审计

- 新增 seed:trialrun 引导管理员账号（一次性口令）

- 补齐 SIGTERM/SIGINT 优雅停机（关闭 job/HTTP/DB）

server/package.json

@@ -4,6 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
+    "postinstall": "prisma generate",
     "dev": "node src/index.js",
     "start": "node src/index.js",
     "test": "echo \"Error: no test specified\" && exit 1",
@@ -15,6 +16,7 @@
     "seed:config": "node src/scripts/seed-config.js",
     "seed:dev-users": "node src/scripts/seed-dev.js",
     "seed:dev": "npm run seed:config && npm run seed:dev-users",
+    "seed:trialrun": "node src/scripts/seed-trialrun.js",
     "job:revoke-expired-delegations": "node src/scripts/revoke-expired-delegations.js",
     "job:ocr-once": "node src/scripts/run-ocr-once.js"
   },