refactor(ImageUploader): 移除预览 URL 相关逻辑并简化粘贴事件处理

- 删除 ImageUploader 组件中的 onPreviewUrlChange 属性及相关逻辑，简化文件处理流程。
- 更新测试用例，确保只调用 onFileChange 方法，移除对预览 URL 的依赖。
- 新增 ParsePanel 组件的测试，确保粘贴功能的正确性和唯一性。

src/pages/QrCode/components/ImageUploader.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useRef } from 'react';
+import { useCallback, useRef } from 'react';
 import { Image, X } from 'lucide-react';
 import { toast } from 'sonner';
 import { Button } from '@/components/ui/button';
@@ -13,8 +13,6 @@ interface ImageUploaderProps {
   onClearFile: () => void;
   /** 文件预览 URL */
   previewUrl: string;
-  /** 预览 URL 变更回调 */
-  onPreviewUrlChange: (url: string) => void;
   /** 是否正在拖拽 */
   dragging: boolean;
   /** 拖拽状态变更回调 */
@@ -26,7 +24,6 @@ const ImageUploader = ({
   onFileChange,
   onClearFile,
   previewUrl,
-  onPreviewUrlChange,
   dragging,
   onDraggingChange,
 }: ImageUploaderProps) => {
@@ -35,9 +32,8 @@ const ImageUploader = ({
   const handleFileChange = useCallback(
     (file: File) => {
       onFileChange(file);
-      onPreviewUrlChange(URL.createObjectURL(file));
     },
-    [onFileChange, onPreviewUrlChange],
+    [onFileChange],
   );
 
   const handleClearFile = useCallback(() => {
@@ -72,38 +68,6 @@ const ImageUploader = ({
     }
   };
 
-  // 监听粘贴事件
-  useEffect(() => {
-    const handlePaste = async (e: ClipboardEvent) => {
-      const items = e.clipboardData?.items;
-      if (!items) return;
-
-      for (let i = 0; i < items.length; i++) {
-        if (items[i].type.startsWith('image/')) {
-          e.preventDefault();
-
-          const file = items[i].getAsFile();
-          if (file) {
-            try {
-              handleFileChange(file);
-              toast.success('图片粘贴成功，正在解析...');
-            } catch (error) {
-              console.error('处理粘贴图片失败:', error);
-              toast.error('粘贴图片失败，请重试');
-            }
-          }
-          break;
-        }
-      }
-    };
-
-    document.addEventListener('paste', handlePaste);
-
-    return () => {
-      document.removeEventListener('paste', handlePaste);
-    };
-  }, [handleFileChange]);
-
   return (
     <div
       className={`flex flex-col items-center justify-center h-[250px] border-2 border-dashed rounded-xl p-4 cursor-pointer transition-all duration-200 ${

src/pages/QrCode/components/ParsePanel.tsx

@@ -65,7 +65,6 @@ export default function ParsePanel() {
           onFileChange={handleFileChange}
           onClearFile={handleClearFile}
           previewUrl={parserState.previewUrl}
-          onPreviewUrlChange={(url) => setParserState((prev) => ({ ...prev, previewUrl: url }))}
           dragging={parserState.dragging}
           onDraggingChange={(dragging) => setParserState((prev) => ({ ...prev, dragging }))}
         />