fix:优化再拼一次bug,优化打手端移动端拼单列表显示

apps/backend/src/services/worker-platform/mappers.ts

@@ -98,6 +98,7 @@ export {
   resolveWorkOrderOperationalStatus,
   resolveWorkerShareProductName,
   resolveWorkerShareStatus,
+  stripWorkerPersonalShareFields,
 } from './work-order-display-mappers.js'
 
 export {

apps/backend/src/services/worker-platform/work-order-display-mappers.test.ts

@@ -6,6 +6,7 @@ import {
   isWorkerOrderVipEvidencePending,
   pickWorkerRepresentativeShare,
   resolveWorkerOrderStatusTabs,
+  stripWorkerPersonalShareFields,
   summarizeWorkerShares,
 } from './work-order-display-mappers.js'
 
@@ -248,3 +249,18 @@ test('份额级问题单：已验收份额被标记后只归问题单，母单
   })
   assert.deepEqual(tabs, ['problem'])
 })
+
+test('大厅广播快照必须剔除打手私有份额字段', () => {
+  const snapshot = stripWorkerPersonalShareFields({
+    workOrderId: 1,
+    myShare: null,
+    myShares: [],
+    sharingProgress: { joinedQuantity: 2, pendingSubmissionCount: 1 },
+  })
+  // 前端对广播行做浅合并：带 null/[] 过去会把缓存里的个人份额冲掉，
+  // 表现为拼单成功后按钮变回「拼单 ￥x/份」。
+  assert.equal('myShare' in snapshot, false)
+  assert.equal('myShares' in snapshot, false)
+  assert.deepEqual(snapshot.sharingProgress, { joinedQuantity: 2, pendingSubmissionCount: 1 })
+  assert.equal(snapshot.workOrderId, 1)
+})

apps/backend/src/services/worker-platform/work-order-display-mappers.ts

@@ -605,6 +605,22 @@ export function mapWorkOrderForWorker(
   }
 }
 
+/**
+ * 大厅广播快照必须剔除打手私有字段。
+ *
+ * 大厅广播是发给所有打手的通用快照，`myShare`/`myShares` 只有本人可见。
+ * 若原样带 `null`/`[]` 过去，前端 `patchWorkerWorkOrderListEnvelope` 的浅合并
+ * 会用空值覆盖行上已有的个人份额，按钮从「再拼一次」变回「拼单 ￥x/份」。
+ */
+export function stripWorkerPersonalShareFields<T extends { myShare?: unknown; myShares?: unknown }>(
+  snapshot: T,
+): Record<string, unknown> {
+  const result: Record<string, unknown> = { ...snapshot }
+  delete result.myShare
+  delete result.myShares
+  return result
+}
+
 /**
  * 抢单大厅专用轻量映射。
  *