feat: 更新文件上传组件以支持空文件列表处理

src/__fk-inputs__/components/file-upload/file-upload.vue

@@ -71,6 +71,8 @@ const changeUploadedFiles = () => {
   }
   try {
     const files = formkitContext.valueToFiles(formkitContext._value);
+    if (files === null) return;
+
     fileUploadRef.value!.uploadedFiles = files.map((f) => ({
       name: f.name,
       url: f.url,
@@ -79,7 +81,7 @@ const changeUploadedFiles = () => {
     }));
     fileUploadRef.value!.uploadedFileCount = files.length;
   } catch (error) {
-    console.warn('[FileUpload] valueToFiles error:', error);
+    console.warn('[FileUpload] valueToFiles error:', error, 'value:', formkitContext._value);
   }
 };
 
@@ -148,8 +150,8 @@ const onUploader = (event: FileUploadUploaderEvent) => {
     <template #empty>
       <Message
         size="small"
-        severity="info"
+        severity="secondary"
-        >请上传图片</Message
+        >未上传附件</Message
       >
     </template>
 

src/__fk-inputs__/components/file-upload/types.ts

@@ -24,5 +24,5 @@ export type CustomRequest = (options: {
   onProgress: (percent: number) => void;
 }) => Promise<{ url: string }>;
 
-export type PropValueToFiles = (value: unknown) => UploadedFileInfo[];
+export type PropValueToFiles = (value: unknown) => UploadedFileInfo[] | null;
 export type PropFilesToValue = (filelist: UploadedFileInfo[]) => unknown;