add:新增同一个工单同一人可以多次拼单：拼单后按钮固定显示「再拼一次」

apps/frontend/src/utils/worker-realtime-work-orders.ts

@@ -121,6 +121,13 @@ export function patchWorkerWorkOrderListEnvelope(
   current: unknown,
   event: WorkerListEvent,
   insert = false,
+  /**
+   * 就地更新时，快照里没有的「本打手私有字段」保留旧值。
+   *
+   * 大厅广播是发给所有打手的通用快照，天然没有 `myShare`/`myShares`（那是每个打手自己的份额）。
+   * 整行替换会把「再拼一次」冲回「拼单 ￥x/份」，所以覆盖行时必须保留。
+   */
+  preserveFields: readonly string[] = [],
 ): unknown {
   if (!isRecord(current) || !isRecord(current.data) || !Array.isArray(current.data.items)) {
     return current
@@ -140,7 +147,14 @@ export function patchWorkerWorkOrderListEnvelope(
       (entry) => toNumber((entry as { workOrderId?: unknown })?.workOrderId) === id,
     )
     if (index >= 0) {
-      nextItems = items.map((entry, itemIndex) => (itemIndex === index ? event.data : entry))
+      const existing = items[index]
+      const merged: Record<string, unknown> = { ...data }
+      if (isRecord(existing)) {
+        for (const field of preserveFields) {
+          if (!(field in merged)) merged[field] = existing[field]
+        }
+      }
+      nextItems = items.map((entry, itemIndex) => (itemIndex === index ? merged : entry))
     } else if (insert) {
       nextItems = [event.data, ...items]
     } else {
@@ -173,12 +187,13 @@ export function patchWorkerWorkOrderInfiniteEnvelope(
   current: unknown,
   event: WorkerListEvent,
   insert = false,
+  preserveFields: readonly string[] = [],
 ): unknown {
   if (!isRecord(current) || !Array.isArray(current.pages)) return current
   return {
     ...current,
     pages: current.pages.map((page: unknown, index: number) =>
-      patchWorkerWorkOrderListEnvelope(page, event, insert && index === 0),
+      patchWorkerWorkOrderListEnvelope(page, event, insert && index === 0, preserveFields),
     ),
   }
 }