fix: defineModel 泛型写法适配 Vue 3.5 + vue-tsc 3.x，修复 26 个 TS 编译错误

- Upload 组件 defineModel 改用泛型 defineModel<T>({ default }) 替代旧的 type + PropType 写法
- 版本号 4.8.3 → 4.8.4

src/components/Upload/FileUpload.vue

@@ -114,11 +114,7 @@ const props = defineProps({
     },
   },
 });
-const modelValue = defineModel("modelValue", {
-  type: [Array] as PropType<FileInfo[]>,
-  required: true,
-  default: () => [],
-});
+const modelValue = defineModel<FileInfo[]>({ required: true, default: () => [] });
 
 const fileList = ref([] as UploadFile[]);
 

src/components/Upload/MultiImageUpload.vue

@@ -86,10 +86,7 @@ const props = defineProps({
 const previewVisible = ref(false); // 是否显示预览
 const previewImageIndex = ref(0); // 预览图片的索引
 
-const modelValue = defineModel("modelValue", {
-  type: [Array] as PropType<string[]>,
-  default: () => [],
-});
+const modelValue = defineModel<string[]>({ default: () => [] });
 
 const fileList = ref<UploadUserFile[]>([]);
 

src/components/Upload/SingleImageUpload.vue

@@ -83,10 +83,7 @@ const props = defineProps({
   },
 });
 
-const modelValue = defineModel("modelValue", {
-  type: String,
-  default: () => "",
-});
+const modelValue = defineModel<string>({ default: "" });
 
 /**
  * 限制用户上传文件的格式和大小