fix(consignment): 兼容历史整单履约的赠送操作

无占用记录时按库存绑定工单兜底；前端无 allocation/share 时不再传 workOrderId，修复卖家提交赠送截图的订单占用报错。

apps/backend/src/services/worker-platform/consignment-action-target.test.ts

@@ -0,0 +1,44 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { isLegacyBoundConsignmentTarget } from './consignment-action-target.js'
+
+function baseInput() {
+  return {
+    inventoryStatus: 'consumed',
+    boundWorkOrderId: 204855,
+    allocationId: 0,
+    shareId: 0,
+    workOrderId: 204855,
+    hasActiveAllocation: false,
+  }
+}
+
+test('历史整单履约：没有占用记录且指向库存绑定工单时允许继续', () => {
+  assert.equal(isLegacyBoundConsignmentTarget(baseInput()), true)
+})
+
+test('历史兜底只接受 consumed 库存', () => {
+  assert.equal(
+    isLegacyBoundConsignmentTarget({ ...baseInput(), inventoryStatus: 'in_stock' }),
+    false,
+  )
+})
+
+test('有新的有效占用时不得回退到库存绑定工单', () => {
+  assert.equal(isLegacyBoundConsignmentTarget({ ...baseInput(), hasActiveAllocation: true }), false)
+})
+
+test('显式指定 allocation/share 但没有匹配记录时不得兜底', () => {
+  assert.equal(isLegacyBoundConsignmentTarget({ ...baseInput(), allocationId: 11 }), false)
+  assert.equal(isLegacyBoundConsignmentTarget({ ...baseInput(), shareId: 22 }), false)
+})
+
+test('工单号与库存绑定工单不一致时不得兜底', () => {
+  assert.equal(isLegacyBoundConsignmentTarget({ ...baseInput(), workOrderId: 204856 }), false)
+  assert.equal(isLegacyBoundConsignmentTarget({ ...baseInput(), boundWorkOrderId: null }), false)
+})
+
+test('没有传工单号时不需要历史兜底', () => {
+  assert.equal(isLegacyBoundConsignmentTarget({ ...baseInput(), workOrderId: 0 }), false)
+})

apps/backend/src/services/worker-platform/consignment-action-target.ts

@@ -0,0 +1,21 @@
+/**
+ * 历史整单履约兼容判断。
+ *
+ * 旧的后台「内部库存履约」只写 consignment_inventories.bound_work_order_id，
+ * 不会生成 consignment_inventory_allocations。卖家端按绑定工单发起操作时，
+ * 只要库存仍是 consumed 且没有新的有效占用，就允许按整单继续。
+ */
+export function isLegacyBoundConsignmentTarget(input: {
+  inventoryStatus: string
+  boundWorkOrderId: number | string | null | undefined
+  allocationId: number
+  shareId: number
+  workOrderId: number
+  hasActiveAllocation: boolean
+}): boolean {
+  if (input.hasActiveAllocation) return false
+  if (input.allocationId > 0 || input.shareId > 0) return false
+  if (input.workOrderId <= 0) return false
+  if (String(input.inventoryStatus || '').trim() !== 'consumed') return false
+  return Number(input.boundWorkOrderId || 0) === input.workOrderId
+}

apps/backend/src/services/worker-platform/consignment-worker-service.ts

@@ -32,6 +32,7 @@ import {
   resolvePriceDropSuggestion,
 } from './consignment-profile-service.js'
 import { suggestConsignmentPriceFromRules } from './consignment-matching-service.js'
+import { isLegacyBoundConsignmentTarget } from './consignment-action-target.js'
 import {
   getEnabledWorkProductRuleByKey,
   parseTemplateSpecs,
@@ -1010,7 +1011,19 @@ async function resolveSellerConsignmentWorkOrder(
       errorCode: 'consignment_allocation_selection_required',
     })
   }
-  if ((allocationIdInput > 0 || shareIdInput > 0 || workOrderIdInput > 0) && !allocation) {
+  const isLegacyBoundTarget = isLegacyBoundConsignmentTarget({
+    inventoryStatus: inventory.status,
+    boundWorkOrderId: inventory.bound_work_order_id,
+    allocationId: allocationIdInput,
+    shareId: shareIdInput,
+    workOrderId: workOrderIdInput,
+    hasActiveAllocation: allocations.length > 0,
+  })
+  if (
+    (allocationIdInput > 0 || shareIdInput > 0 || workOrderIdInput > 0) &&
+    !allocation &&
+    !isLegacyBoundTarget
+  ) {
     throw createHttpError('未找到该寄卖单对应的订单占用，请刷新后重试', {
       statusCode: 404,
       errorCode: 'consignment_allocation_not_found',