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/src/app.js

@@ -21,6 +21,7 @@ const invoicePoolRoutes = require("./routes/invoicePool");
 const workflowRoutes = require("./routes/workflow");
 const delegationRoutes = require("./routes/delegations");
 const auditRoutes = require("./routes/audit");
+const usersRoutes = require("./routes/users");
 const { startDelegationRevokeJob } = require("./jobs/delegationRevokeJob");
 const { startOcrJob } = require("./jobs/ocrJob");
 const { AppError } = require("./utils/AppError");
@@ -189,6 +190,7 @@ async function buildApp() {
   await app.register(workflowRoutes, { prefix: "/api" });
   await app.register(delegationRoutes, { prefix: "/api" });
   await app.register(auditRoutes, { prefix: "/api" });
+  await app.register(usersRoutes, { prefix: "/api" });
 
   startDelegationRevokeJob(app);
   startOcrJob(app);