feat(分卷): 实现镀锌工序特殊分卷功能

新增特殊分卷功能，包括分步分条界面、API接口及状态管理。主要修改：
1. 添加分步分条组件，支持新增、编辑、删除分条
2. 扩展分卷API接口，包括开始/完成/取消特殊分卷
3. 优化操作按钮加载状态和错误处理
4. 调整界面布局和样式

klp-ui/src/api/wms/coil.js

@@ -238,4 +238,68 @@ export function restoreMaterialCoil(coilId) {
     url: '/wms/materialCoil/rollback/' + coilId,
     method: 'post'
   })
-}
+}
+
+/**
+ * 开始分条，锁定钢卷
+ */
+export function startSpecialSplit(coilId) {
+  if (!coilId) {
+    return Promise.reject(new Error('coilId is required'))
+  }
+  return request({
+    url: '/wms/materialCoil/specialSplit/start',
+    method: 'post',
+    params: {
+      coilId
+    }
+  })
+}
+
+/**
+ * 创建一个分条
+ */
+export function createSpecialChild(parentCoilId, pendingActionId, data) {
+  return request({
+    url: '/wms/materialCoil/specialSplit/createChild',
+    method: 'post',
+    data: data,
+    params: {
+      parentCoilId,
+      pendingActionId
+    }
+  })
+}
+
+/**
+ * 完成分卷操作
+ */
+export function completeSpecialSplit(pendingActionId) {
+  if (!pendingActionId) {
+    return Promise.reject(new Error('pendingActionId is required'))
+  }
+  return request({
+    url: '/wms/materialCoil/specialSplit/complete',
+    method: 'post',
+    params: {
+      pendingActionId
+    }
+  })
+}
+
+/**
+ * 取消镀锌分卷
+ */
+export function cancelSpecialSplit(pendingActionId) {
+  if (!pendingActionId) {
+    return Promise.reject(new Error('pendingActionId is required'))
+  }
+  return request({
+    url: '/wms/materialCoil/specialSplit/cancel',
+    method: 'post',
+    params: {
+      pendingActionId
+    }
+  })
+}
+