对于采购件的内容进行修改，使其填写更加便利加上库位自动加载上一次的逻辑

inventory-web/src/api/inbound/buy.ts

@@ -47,17 +47,17 @@ export function searchMaterialBase(keyword: string) {
 // 6. 文件上传 (用于图片/拍照)
 export function uploadFile(data: FormData) {
     return request({
-        url: '/common/upload',
+        url: '/common/upload', // 对应后端 /api/v1/common/upload
         method: 'post',
         data,
         headers: { 'Content-Type': 'multipart/form-data' }
     })
 }
 
-// 7. 文件删除
+// 7. [新增] 文件删除
 export function deleteFile(filename: string) {
     return request({
-        url: `/common/files/${filename}`,
+        url: `/common/files/${filename}`, // 对应后端 /api/v1/common/files/<filename>
         method: 'delete'
     })
 }
@@ -87,4 +87,13 @@ export function getLinkSuggestions(params: any) {
         method: 'get',
         params
     })
+}
+
+// 11. [新增] 库位建议
+export function getLocationSuggestions(params: any) {
+    return request({
+        url: '/inbound/buy/suggestions/locations',
+        method: 'get',
+        params
+    })
 }