fix(fulfillment): 封堵重复载体并完善统一SKU映射

apps/backend/src/services/worker-platform/sync-worker-orders-service.test.ts

@@ -71,3 +71,28 @@ test('工单门禁：无配置、冲突、缺模板、模板不一致都不放
     'work_rule_mismatch',
   )
 })
+
+test('工单门禁：已分配其它渠道或已有其它真实载体时不放行', () => {
+  assert.equal(
+    resolveWorkOrderChannelGate(plan(channel()), undefined, {
+      fulfillmentStatus: 'assigned',
+      assignedChannel: 'affiliate_dash',
+    }).reason,
+    'already_assigned_other_channel',
+  )
+  assert.equal(
+    resolveWorkOrderChannelGate(plan(channel()), undefined, {
+      fulfillmentStatus: 'pending',
+      existingCarrierChannels: ['affiliate_dash'],
+    }).reason,
+    'existing_carrier_taken',
+  )
+  assert.equal(
+    resolveWorkOrderChannelGate(plan(channel()), undefined, {
+      fulfillmentStatus: 'assigned',
+      assignedChannel: 'work_order',
+      existingCarrierChannels: ['work_order'],
+    }).allowed,
+    true,
+  )
+})

apps/backend/src/services/worker-platform/sync-worker-orders-service.ts

@@ -51,11 +51,27 @@ import {
   canonicalizeInternalSku,
   resolveInternalSkuKey,
 } from '../fulfillment/internal-sku-resolver.js'
+import { loadActiveCarrierEvidence } from '../fulfillment/carrier-evidence-service.js'
 
 export function resolveWorkOrderChannelGate(
   plan: InternalSkuChannelPlan | undefined,
   preferredWorkRuleKey?: string,
+  context: {
+    fulfillmentStatus?: string
+    assignedChannel?: string
+    existingCarrierChannels?: string[]
+  } = {},
 ): { allowed: boolean; reason: string; workRuleKey: string } {
+  if (
+    context.fulfillmentStatus === 'assigned' &&
+    context.assignedChannel &&
+    context.assignedChannel !== 'work_order'
+  ) {
+    return { allowed: false, reason: 'already_assigned_other_channel', workRuleKey: '' }
+  }
+  if (context.existingCarrierChannels?.some((channel) => channel !== 'work_order')) {
+    return { allowed: false, reason: 'existing_carrier_taken', workRuleKey: '' }
+  }
   if (!plan?.primary) {
     return {
       allowed: false,
@@ -109,6 +125,7 @@ export async function syncWorkerOrdersForSourceOrder(
     )
   }
   const channelPlans = await loadInternalSkuChannelPlans([...internalSkuByItemId.values()])
+  const carrierEvidence = await loadActiveCarrierEvidence(orderItems.map((item) => Number(item.id)))
 
   for (const item of orderItems) {
     const internalSku = canonicalizeInternalSku(internalSkuByItemId.get(Number(item.id)))
@@ -123,7 +140,12 @@ export async function syncWorkerOrdersForSourceOrder(
       )
       continue
     }
-    const channelGate = resolveWorkOrderChannelGate(channelPlan, options.preferredWorkRuleKey)
+    const assignedChannel = String(item.fulfillment_channel || '').trim()
+    const channelGate = resolveWorkOrderChannelGate(channelPlan, options.preferredWorkRuleKey, {
+      fulfillmentStatus: item.fulfillment_status || '',
+      assignedChannel,
+      existingCarrierChannels: carrierEvidence.get(Number(item.id))?.channels || [],
+    })
     if (!channelGate.allowed) {
       skipped.push({ orderItemId: Number(item.id), reason: channelGate.reason })
       decisions.push(