chore(logging): 降噪 PDD 同步与发单消费者常态日志

将无新单/全跳过的处理完成日志降到 debug，并压缩 decisions 详情，避免 app 日志被按日切碎。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/backend/src/services/scheduler/pdd-order-sync-job.ts

@@ -4,7 +4,7 @@
  */
 
 import type { JsonObject } from '../../types/json.js'
-import { logInfo } from '../../utils/logger.js'
+import { logDebug, logInfo } from '../../utils/logger.js'
 import { syncAllPddStores } from '../platforms/pdd/pdd-sync-service.js'
 import { getPddSourcesConfig } from '../platforms/pdd/pdd-source-config-service.js'
 
@@ -39,24 +39,29 @@ export async function runPddOrderSyncJob(job: JsonObject) {
   const failedCount = syncResult.results.filter((r) => Boolean(r.error)).length
   const totalUpserted = syncResult.results.reduce((acc, r) => acc + r.upsertedCount, 0)
   const totalFetched = syncResult.results.reduce((acc, r) => acc + r.fetchedCount, 0)
+  const totalNewOrders = syncResult.results.reduce((acc, r) => acc + r.newOrderCount, 0)
 
-  logInfo('[pdd-order-sync-job]', '拼多多定时拉单执行完成', {
+  const jobLog = totalNewOrders > 0 || failedCount > 0 ? logInfo : logDebug
+  jobLog('[pdd-order-sync-job]', '拼多多定时拉单执行完成', {
     storeCount: syncResult.storeCount,
     syncedCount: syncResult.syncedCount,
     okCount,
     failedCount,
     totalFetched,
     totalUpserted,
+    totalNewOrders,
   })
 
   return {
     ok: failedCount === 0,
     status: failedCount > 0 ? (okCount > 0 ? 'partial_error' : 'failed') : 'ok',
-    message: `已同步 ${syncResult.syncedCount} 个店铺，拉取 ${totalFetched} 单，入库/更新 ${totalUpserted} 单${failedCount > 0 ? `，失败 ${failedCount} 个店铺` : ''}`,
+    message: `已同步 ${syncResult.syncedCount} 个店铺，拉取 ${totalFetched} 单，新单 ${totalNewOrders}，入库/更新 ${totalUpserted} 单${failedCount > 0 ? `，失败 ${failedCount} 个店铺` : ''}`,
     accountCount: syncResult.storeCount,
     checkedCount: syncResult.syncedCount,
     okCount,
     failedCount,
-    asset: totalUpserted,
+    asset: totalNewOrders,
+    totalUpserted,
+    totalNewOrders,
   }
 }

apps/backend/src/services/scheduler/scheduler-service.ts

@@ -1,4 +1,4 @@
-import { logError, logInfo, logWarn } from '../../utils/logger.js'
+import { logDebug, logError, logInfo, logWarn } from '../../utils/logger.js'
 import { createHttpError } from '../../utils/http.js'
 import type { JsonObject } from '../../types/json.js'
 import { getScheduledJobById, getScheduledJobsConfig } from './config-service.js'
@@ -147,10 +147,15 @@ async function runJob(job: JsonObject, { manual = false }: { manual?: boolean }
       lastFailedCount: Number(summary.failedCount || 0),
       lastManual: manual,
     })
-    logInfo('[scheduler]', '定时任务执行完成', {
+    const status = String(summary.status || 'ok')
+    const failedCount = Number(summary.failedCount || 0)
+    // 成功且无失败的周期空跑降到 debug（PDD 约 20s 一轮），手动触发与失败仍保留 info。
+    const isQuietSuccess = !manual && status === 'ok' && failedCount <= 0 && job.type !== 'data_retention'
+    const doneLog = isQuietSuccess ? logDebug : logInfo
+    doneLog('[scheduler]', '定时任务执行完成', {
       jobId,
       type: job.type,
-      status: String(summary.status || 'ok'),
+      status,
       ...(job.type === 'data_retention'
         ? {
             rawPayloadRows: Number(summary.rawPayloadRows || 0),