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/layouts/WorkerLayout.tsx

@@ -435,6 +435,9 @@ function applyWorkerHallCachePatch(
         current,
         { ...event, data: workerSnapshot, operation },
         shouldInsert,
+        // 大厅广播是「所有打手通用」的快照，不含当前打手自己的份额；
+        // 覆盖行时必须保留，否则「再拼一次」会被冲回「拼单 ￥x/份」。
+        ['myShare', 'myShares'],
       ),
     )
   }

apps/frontend/src/pages/worker/WorkerHallPage.tsx

@@ -635,6 +635,8 @@ export default function WorkerHallPage() {
                 const disabledReason = resolveGrabDisabledReason(order, worker, remainingSlots)
                 const productName = resolveHallProductName(order) || '未命名商品'
                 const sharingRemaining = resolveSharingRemaining(order)
+                /** 已参与过就用固定文案「再拼一次」，拼几次都不再改按钮文字（需求）。 */
+                const myShareSummary = resolveMyShareSummary(order)
 
                 return (
                   <article key={order.workOrderId} className="worker-hall-mobile-card">
@@ -717,12 +719,15 @@ export default function WorkerHallPage() {
                             size="middle"
                             className="worker-hall-sharing-button"
                             disabled={Boolean(disabledReason)}
+                            title={
+                              myShareSummary.count > 0
+                                ? `已参与 ${myShareSummary.count} 次 · 共 ${myShareSummary.quantity} 份`
+                                : undefined
+                            }
                             onClick={() => openSharingModal(order)}
                           >
-                            {resolveMyShareSummary(order).count > 0
-                              ? `已参与 ${resolveMyShareSummary(order).count} 次 · 共 ${
-                                  resolveMyShareSummary(order).quantity
-                                } 份 / 再拼`
+                            {myShareSummary.count > 0
+                              ? '再拼一次'
                               : `拼单 ${formatMoney(order.sharing.unitReward)}/份`}
                           </Button>
                         ) : null}
@@ -1073,6 +1078,8 @@ export default function WorkerHallPage() {
                     const disabledReason = resolveGrabDisabledReason(order, worker, remainingSlots)
                     const productName = resolveHallProductName(order) || '未命名商品'
                     const sharingRemaining = resolveSharingRemaining(order)
+                    /** 已参与过就用固定文案「再拼一次」，拼几次都不再改按钮文字（需求）。 */
+                    const myShareSummary = resolveMyShareSummary(order)
                     const depositAmount = resolveHallDepositAmount(order)
                     const rewardAmount = resolveHallRewardAmount(order)
 
@@ -1169,12 +1176,15 @@ export default function WorkerHallPage() {
                                 size="large"
                                 className="worker-hall-sharing-button"
                                 disabled={Boolean(disabledReason)}
+                                title={
+                                  myShareSummary.count > 0
+                                    ? `已参与 ${myShareSummary.count} 次 · 共 ${myShareSummary.quantity} 份`
+                                    : undefined
+                                }
                                 onClick={() => openSharingModal(order)}
                               >
-                                {resolveMyShareSummary(order).count > 0
-                                  ? `已参与 ${resolveMyShareSummary(order).count} 次 · 共 ${
-                                      resolveMyShareSummary(order).quantity
-                                    } 份 / 再拼`
+                                {myShareSummary.count > 0
+                                  ? '再拼一次'
                                   : `拼单 ${formatMoney(order.sharing.unitReward)}/份`}
                               </Button>
                             ) : null}

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),
     ),
   }
 }