add:新增同一个工单同一人可以多次拼单：拼单后台撤单，不影响母单状态

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

@@ -3302,33 +3302,39 @@ test('拼单母单已验收或已取消时 recompute 不回头改状态', async
   }
 })
 
-test('份额超时/撤单只改份额本身，母单状态统一交给 recompute', () => {
+test('后台单人撤单不改母单状态；份额超时仍交给 recompute 收敛', async () => {
   const src = fs.readFileSync(
     new URL('../../repositories/worker-platform/work-order-settlement-repo.ts', import.meta.url),
     'utf8',
   )
-  const blocks = [
-    [
-      'export async function cancelWorkOrderShare(',
-      'export async function settleOverdueWorkOrderShare(',
-    ],
-    [
-      'export async function settleOverdueWorkOrderShare(',
-      'export async function cancelWorkOrderSharing(',
-    ],
-  ]
-  for (const [start, end] of blocks) {
-    const block = src.slice(src.indexOf(start!), src.indexOf(end!))
-    assert.ok(block.length > 0, `${start} 片段必须存在`)
-    assert.ok(
-      block.includes('recomputeWorkOrderSharingStatusWithClient('),
-      `${start} 必须用 recompute 收敛母单状态`,
-    )
-    assert.ok(
-      !/UPDATE\s+work_orders\s+SET[\s\S]{0,80}?status\s*=/i.test(block),
-      `${start} 不得自己写母单 status（只能由 recompute 推导）`,
-    )
-  }
+  const cancelBlock = src.slice(
+    src.indexOf('export async function cancelWorkOrderShare('),
+    src.indexOf('export async function settleOverdueWorkOrderShare('),
+  )
+  assert.ok(cancelBlock.length > 0, 'cancelWorkOrderShare 片段必须存在')
+  assert.ok(
+    !cancelBlock.includes('recomputeWorkOrderSharingStatusWithClient('),
+    '后台单人撤单不得重算母单状态（撤一份会把待验收的母单踢回大厅）',
+  )
+  assert.ok(
+    !/UPDATE\s+work_orders\s+SET[\s\S]{0,80}?status\s*=/i.test(cancelBlock),
+    '后台单人撤单不得自己写母单 status',
+  )
+  assert.ok(cancelBlock.includes('toStatus: workOrder.status'), '撤单事件不得记录母单状态迁移')
+
+  const timeoutBlock = src.slice(
+    src.indexOf('export async function settleOverdueWorkOrderShare('),
+    src.indexOf('export async function cancelWorkOrderSharing('),
+  )
+  assert.ok(timeoutBlock.length > 0, 'settleOverdueWorkOrderShare 片段必须存在')
+  assert.ok(
+    timeoutBlock.includes('recomputeWorkOrderSharingStatusWithClient('),
+    '份额超时必须用 recompute 收敛母单状态',
+  )
+  assert.ok(
+    !/UPDATE\s+work_orders\s+SET[\s\S]{0,80}?status\s*=/i.test(timeoutBlock),
+    '份额超时不得自己写母单 status（只能由 recompute 推导）',
+  )
 })
 
 test('拼单每次参与都新增一条份额，并按 requestId 幂等、按参与时间固化截止时间', () => {