feat:拼单明细管理加一个撤份额的功能，指定数量

apps/frontend/src/services/admin/worker-platform.ts

@@ -892,6 +892,18 @@ export function cancelAdminWorkOrderShare(
   }>(`/api/v1/admin/worker-platform/orders/${workOrderId}/shares/${shareId}/cancel`, payload)
 }
 
+/** 按份数撤销某个打手的部分份额：减少的份数回到大厅，押金保持原冻结额。 */
+export function reduceAdminWorkOrderShareQuantity(
+  workOrderId: number,
+  shareId: number,
+  payload: { reduceQuantity: number; note?: string },
+) {
+  return apiPost<{ order: WorkOrder; share: WorkOrderShare }>(
+    `/api/v1/admin/worker-platform/orders/${workOrderId}/shares/${shareId}/reduce-quantity`,
+    payload,
+  )
+}
+
 /** 按份额标记问题单：只影响该份额持有人，母单状态不变。备注选填。 */
 export function markAdminWorkOrderShareProblem(workOrderId: number, shareId: number, note = '') {
   return apiPost<{ order: WorkOrder; share: WorkOrderShare }>(