fix(consignment): 内部库存候选过滤掉已无可用余量的现货

- 内部库存匹配提醒与订单侧手动指定现货候选都过滤 remaining_quantity = 0 的库存
- 与提交接口 matchConsignmentWorkOrderManually 的可用性口径保持一致，避免「弹窗有货、提交报错」
- 补充源码断言用例

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

@@ -251,7 +251,11 @@ export async function listWorkOrderInventoryMatchOptions(workOrderId: number | s
     return { hasMatch: false, exactCount: 0, partialCount: 0, options: [] }
   }
   const fields = resolveCollectSubmittedFieldValues(workOrder)
-  const inventories = await listActiveConsignmentInventoriesForMatching()
+  // 已被其它工单占用或已用尽的现货不能再出现在候选里：remaining_quantity=0 的库存
+  // 提交时会被匹配引擎过滤掉，列出来只会让客服点了才知道不可用。
+  const inventories = (await listActiveConsignmentInventoriesForMatching()).filter(
+    (inventory) => Number(inventory.remaining_quantity ?? 1) > 0,
+  )
   const ranking = { exact: 0, partial: 1, conflict: 2 }
   const options = listConsignmentMatchOptions(workOrder.product_name, inventories, {
     system: fields.system,
@@ -389,7 +393,11 @@ export async function checkWorkOrderInventoryMatches(workOrderId: number | strin
 
   const fields = resolveCollectSubmittedFieldValues(workOrder)
 
-  const inventories = await listActiveConsignmentInventoriesForMatching()
+  // 同上：无可用余量的现货（已被其它工单占用）不能作为「可直接履约」的提醒，
+  // 否则点进去只会被提交接口拒绝。
+  const inventories = (await listActiveConsignmentInventoriesForMatching()).filter(
+    (inventory) => Number(inventory.remaining_quantity ?? 1) > 0,
+  )
 
   const matches = findMatchingPeacekeeperInventories(workOrder.product_name, inventories, {
     system: fields.system,

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

@@ -2511,6 +2511,34 @@ test('寄卖只做整单：拼单工单不得进入寄卖现货履约链路', as
   )
 })
 
+test('内部库存候选必须过滤掉无可用余量的现货：弹窗与提交口径一致', async () => {
+  const readFile = await import('node:fs/promises')
+  const src = await readFile.readFile(
+    new URL('./consignment-fulfillment-service.ts', import.meta.url),
+    'utf8',
+  )
+
+  // 订单侧「手动指定现货」全量列表
+  const optionsBody = src.slice(
+    src.indexOf('export async function listWorkOrderInventoryMatchOptions'),
+    src.indexOf('export async function listInventoryMatchableOrders'),
+  )
+  assert.ok(
+    optionsBody.includes('Number(inventory.remaining_quantity ?? 1) > 0'),
+    '订单侧候选现货必须过滤掉已被其它工单占用/用尽的库存',
+  )
+
+  // 发布时的内部库存提醒：不过滤会出现「弹窗说有货、点履约报请选择可用库存」
+  const matchesBody = src.slice(
+    src.indexOf('export async function checkWorkOrderInventoryMatches'),
+    src.indexOf('export async function fulfillWorkOrderWithConsignment'),
+  )
+  assert.ok(
+    matchesBody.includes('Number(inventory.remaining_quantity ?? 1) > 0'),
+    '内部库存提醒必须与提交接口使用同一套可用性口径（remaining_quantity > 0）',
+  )
+})
+
 test('寄卖履约必须写入真实 SUB 单号：只能取带 join 的预读库存', async () => {
   const readFile = await import('node:fs/promises')
   const src = await readFile.readFile(