feat(scheduler): 财务管道自动注册、水位记录与后台状态页

- 老配置读取时自动补齐六个管道任务，升级后无需手工添加
- 每个管道运行后写水位与 last_success_at，失败写 last_error
- 新增 GET /admin/fulfillment/pipeline/status 与单步重跑
- 后台「履约渠道 → 管道状态」展示启停、水位、最近执行与错误
- 定时任务管理接口不再丢弃管道自己的 config 字段

apps/backend/src/routes/admin/fulfillment-channel.ts

@@ -17,7 +17,14 @@ import {
   upsertChannelRule,
 } from '../../services/fulfillment/channel-assign-service.js'
 import { listExceptionQueue } from '../../services/cost-center/cost-exception-service.js'
-import { runFinancePipelineOnce } from '../../services/scheduler/finance-pipeline-jobs.js'
+import {
+  runFinancePipelineOnce,
+  runSingleFinancePipeline,
+} from '../../services/scheduler/finance-pipeline-jobs.js'
+import {
+  getFinancePipelineStatus,
+  isFinancePipelineName,
+} from '../../services/scheduler/finance-pipeline-status.js'
 import { bodyOf } from './request-helpers.js'
 import { createJsonHandler, requireAdminPermission, requireAdminRoles } from './session.js'
 
@@ -185,6 +192,16 @@ router.delete(
   }),
 )
 
+router.get(
+  '/fulfillment/pipeline/status',
+  requireAdminPermission('finance.view'),
+  createJsonHandler(() => getFinancePipelineStatus(), {
+    successMessage: 'ok',
+    errorMessage: '读取管道状态失败',
+    scope: '[admin/fulfillment/pipeline/status]',
+  }),
+)
+
 router.post(
   '/fulfillment/pipeline/run',
   requireAdminPermission('finance.config'),
@@ -192,6 +209,15 @@ router.post(
     async (req) => {
       const body = bodyOf(req)
       const days = Number(body.days)
+      // 指定 pipeline 时只跑单步，便于排障与补跑。
+      if (body.pipeline) {
+        if (!isFinancePipelineName(body.pipeline)) {
+          throw new Error(`未知管道：${String(body.pipeline)}`)
+        }
+        return runSingleFinancePipeline(body.pipeline, {
+          config: Number.isFinite(days) ? { days } : {},
+        })
+      }
       return runFinancePipelineOnce({ days: Number.isFinite(days) ? days : 3 })
     },
     {