refactor(schedules): register pi.token_refresh and auth.cleanup as scheduled jobs

Pi token refresh (10 min) and auth session cleanup (1 h) no longer run
their own setInterval; both register in the maintain group of the
schedules registry with the same default intervals.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/server/src/modules/schedules/index.ts

@@ -12,9 +12,6 @@ export { registerScheduledJob, scheduleRegistry } from "./registry.ts";
  * 各模块 start() 用 registerScheduledJob 登记周期任务;本模块在 io worker 上起唯一调度器(PG 咨询锁)按表驱动,
  * 并登记内置 Agent 巡检模板(默认关闭)与备份占位。看板 API 见 routes.ts(全部只接受控制台会话)。
  * 须放在 SERVER_MODULES 末尾:start 时其它模块已登记完(之后再登记的也会在下一轮同步)。
- *
- * TODO(W7-A):pi 模块的 refreshPiTokens 目前在 pi/index.ts 自建 setInterval,
- *   待其改为 registerScheduledJob({ key: "pi.token_refresh", defaults: { group: "maintain", ... } })。
  */
 export interface SchedulesModuleOptions {
   scheduler?: SchedulerOptions;