diff --git a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/wms/iostorinv/index.ts b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/wms/iostorinv/index.ts
index 6afad210..5c9cc4ae 100644
--- a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/wms/iostorinv/index.ts
+++ b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/wms/iostorinv/index.ts
@@ -1,6 +1,7 @@
-import type { PageParam, PageResult } from '@vben/request';
 import type { Dayjs } from 'dayjs';
 
+import type { PageParam, PageResult } from '@vben/request';
+
 import { requestClient } from '#/api/request';
 
 export namespace WmsIostorInvApi {
@@ -10,7 +11,7 @@ export namespace WmsIostorInvApi {
     billCode?: string; // 单据编号
     ioType?: string; // 出入类型
     billType?: string; // 单据类型
-    bizDate?: string | Dayjs; // 业务日期
+    bizDate?: Dayjs | string; // 业务日期
     storId: string; // 仓库标识
     storCode: string; // 仓库编码
     storName: string; // 仓库名称
@@ -24,15 +25,70 @@ export namespace WmsIostorInvApi {
     remark: string; // 备注
     createMode?: string; // 生成方式
     disOptid: string; // 分配人
-    disTime?: string | Dayjs; // 分配时间
+    disTime?: Dayjs | string; // 分配时间
     confirmOptid: string; // 确认人
-    confirmTime?: string | Dayjs; // 确认时间
+    confirmTime?: Dayjs | string; // 确认时间
     sysdeptid: string; // 部门ID
     syscompanyid: string; // 公司ID
     isUpload?: string; // 是否已上传
     uploadOptid: string; // 回传人
     uploadTime: string; // 回传时间
   }
+
+  /** 出库单可持久化明细 */
+  export interface OutboundDetail {
+    materialCode: string; // 物料编码
+    materialId?: string; // 物料标识
+    pcsn?: string; // 批次序列号
+    planQty: number; // 出库重量
+    qtyUnitId?: string; // 数量单位标识
+    qtyUnitName?: string; // 数量单位名称
+    sourceBillCode?: string; // 来源单据编号
+    sourceBillType?: string; // 来源单据类型
+    sourceBilldtlId?: string; // 来源单据明细标识
+    remark?: string; // 备注
+  }
+
+  /** 出库单新增请求 */
+  export interface OutboundCreateReq {
+    billType: string; // 单据类型
+    storId: string; // 仓库标识
+    bizDate: Dayjs | string; // 业务日期
+    remark?: string; // 备注
+    details: OutboundDetail[]; // 出库单明细
+  }
+
+  /** 可用库存 */
+  export interface AvailableInventory {
+    vehicleCode: string; // 箱号
+    pcsn: string; // 批次
+    materialId: string; // 物料标识
+    materialCode: string; // 物料编码
+    materialName: string; // 物料名称
+    availableQty: number; // 可用数量
+    qtyUnitId: string; // 计量单位标识
+    qtyUnitName: string; // 计量单位名称
+    extCode: string; // 来源单据号
+    extType: string; // 来源单据类型
+    extDtlCode: string; // 来源单据明细号
+    storId: string; // 仓库标识
+    storCode: string; // 仓库编码
+    storName: string; // 仓库名称
+  }
+
+  /** 可用库存分页请求 */
+  export interface AvailableInventoryPageReq extends PageParam {
+    storId: string; // 仓库标识
+    materialCode?: string; // 物料编码
+    vehicleCode?: string; // 箱号
+    pcsn?: string; // 批次
+  }
+
+  /** 按箱号展开可用库存请求 */
+  export interface ExpandAvailableInventoryReq {
+    storId: string; // 仓库标识
+    vehicleCodes: string[]; // 箱号列表
+  }
 }
 
 /** 查询出入库单主表分页 */
@@ -77,4 +133,27 @@ export function exportIostorInv(params: any) {
   return requestClient.download('/wms/iostor-inv/export-excel', { params });
 }
 
+/** 查询可用库存分页 */
+export function getAvailableInventoryPage(
+  params: WmsIostorInvApi.AvailableInventoryPageReq,
+) {
+  return requestClient.get<
+    PageResult<WmsIostorInvApi.AvailableInventory>
+  >('/wms/iostor-inv/availableInventoryPage', { params });
+}
+
+/** 按箱号展开可用库存 */
+export function expandAvailableInventory(
+  data: WmsIostorInvApi.ExpandAvailableInventoryReq,
+) {
+  return requestClient.post<WmsIostorInvApi.AvailableInventory[]>(
+    '/wms/iostor-inv/expandAvailableInventory',
+    data,
+  );
+}
+
+/** 创建出库单 */
+export function createOutbound(data: WmsIostorInvApi.OutboundCreateReq) {
+  return requestClient.post<string>('/wms/iostor-inv/createOutbound', data);
+}
 
diff --git a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/detail-summary.test.ts b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/detail-summary.test.ts
new file mode 100644
index 00000000..03242aa8
--- /dev/null
+++ b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/detail-summary.test.ts
@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest';
+
+import { summarizeDetails } from './detail-summary';
+
+describe('summarizeDetails', () => {
+  it('汇总明细数量和总重量', () => {
+    expect(
+      summarizeDetails([{ planQty: 12.5 }, { planQty: 7.25 }]),
+    ).toEqual({ detailCount: 2, totalWeight: 19.75 });
+  });
+
+  it('空明细返回零值', () => {
+    expect(summarizeDetails([])).toEqual({ detailCount: 0, totalWeight: 0 });
+  });
+});
diff --git a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/detail-summary.ts b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/detail-summary.ts
new file mode 100644
index 00000000..7901b3ec
--- /dev/null
+++ b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/wms/iostorinv/modules/detail-summary.ts
@@ -0,0 +1,14 @@
+export interface OutboundDetailLike {
+  planQty: number;
+}
+
+/** 汇总出库明细数量和重量 */
+export function summarizeDetails(details: OutboundDetailLike[]) {
+  return {
+    detailCount: details.length,
+    totalWeight: details.reduce(
+      (total, detail) => total + Number(detail.planQty),
+      0,
+    ),
+  };
+}