彻底修复 lewan 自动发货问题-8-8

apps/backend/src/services/fulfillment/kuaishou-cloud/prepare-fulfillment.ts

@@ -18,6 +18,7 @@ import {
   isKuaishouCloudTask,
   maskPhone,
   normalizeKuaishouCloudFlow,
+  normalizeStringArray,
   resolveKuaishouCloudBindUrlExpiresAt,
   type JsonObject,
 } from './domain.js'
@@ -123,7 +124,16 @@ export async function prepareKuaishouCloudFulfillmentTask(task: TaskRow, options
     })
   }
 
-  const selectedCloud = await selectCloudtentaclesSourceForFulfillment(flow)
+  const excludedSourceKeys = normalizeStringArray(options.excludedSourceKeys)
+  const sourceSelectionAttempts = normalizeStringArray(options.sourceSelectionAttempts)
+  const sourceCandidateCount = new Set(
+    normalizeStringArray([...flow.binding.cloudSourceKeys, flow.binding.resolvedSourceKey]),
+  ).size
+  const selectedCloud = await selectCloudtentaclesSourceForFulfillment({
+    ...flow,
+    excludedSourceKeys,
+  })
+  let retriedOnAnotherSource = false
   try {
     const cloudContext = selectedCloud.context
     const [knapsack, skuList] = await Promise.all([
@@ -277,7 +287,10 @@ export async function prepareKuaishouCloudFulfillmentTask(task: TaskRow, options
           purchasedCount: 0,
         })),
         resolvedByName: resolvedBinding.resolvedByName,
-        accountSelection: buildCloudtentaclesSourceSelectionEventDetail(selectedCloud),
+        accountSelection: {
+          ...buildCloudtentaclesSourceSelectionEventDetail(selectedCloud),
+          attemptedSourceKeys: [...sourceSelectionAttempts, selectedCloud.sourceKey],
+        },
         defaultRoleName: defaultRoleSnapshot.defaultName,
         defaultRoleId: defaultRoleSnapshot.defaultRid,
         defaultRoleCaptureStatus: defaultRoleSnapshot.defaultCaptureStatus,
@@ -293,11 +306,43 @@ export async function prepareKuaishouCloudFulfillmentTask(task: TaskRow, options
       flow: normalizeKuaishouCloudFlow(nextContext.kuaishouCloudFulfillment),
       previousVnRelease,
     }
+  } catch (error) {
+    // Before a VN exists, account-scoped failures are safe to retry on another
+    // candidate. Once a VN is acquired, switching accounts would orphan it.
+    if (
+      flow.binding.vnId <= 0 &&
+      isRetryableCloudtentaclesSourceError(error) &&
+      excludedSourceKeys.length + 1 < sourceCandidateCount
+    ) {
+      retriedOnAnotherSource = true
+      selectedCloud.release()
+      return prepareKuaishouCloudFulfillmentTask(task, {
+        ...options,
+        excludedSourceKeys: [...excludedSourceKeys, selectedCloud.sourceKey],
+        sourceSelectionAttempts: [...sourceSelectionAttempts, selectedCloud.sourceKey],
+      })
+    }
+    throw error
   } finally {
-    selectedCloud.release()
+    if (!retriedOnAnotherSource) {
+      selectedCloud.release()
+    }
   }
 }
 
+function isRetryableCloudtentaclesSourceError(error: unknown) {
+  const current = error && typeof error === 'object' ? error as JsonObject : {}
+  const code = String(current.errorCode || current.code || '').trim()
+  return (
+    code === 'cloudtentacles_vn_quota_cooldown' ||
+    (code === 'cloudtentacles_vn_appoint_failed' && String(current.message || '').trim().includes('最多同时占用')) ||
+    code === 'cloudtentacles_vn_list_failed' ||
+    code === 'cloudtentacles_sku_list_failed' ||
+    code === 'cloudtentacles_knapsack_failed' ||
+    code === 'cloudtentacles_asset_failed'
+  )
+}
+
 /** 旧虚拟号 best-effort 释放：已被回收/权限不足时不算失败 */
 async function tryReleasePreviousVirtualNumber({
   task,