【Auto】Fix Upload: toggle visible 后受控 fileList 的 blob URL 失效（ERR_FILE_NOT_FOUND）#3130
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【Auto】Fix Upload: toggle visible 后受控 fileList 的 blob URL 失效（ERR_FILE_NOT_FOUND）#3130SudoUserReal wants to merge 1 commit intomainfrom
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…失效（ERR_FILE_NOT_FOUND） This commit was automatically generated by Semi Issue Solver. Closes #3122
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关联 Issue: #3122（[BUG] Upload component toggle visible file item blob ERR_FILE_NOT_FOUND）
问题概述
在受控
fileList场景中，Upload组件通过条件渲染（toggle visible）卸载/重挂载后，列表项里用于预览/展示的blob:URL 会失效，浏览器报ERR_FILE_NOT_FOUND，导致缩略图/预览异常。根因是组件卸载时触发了
URL.revokeObjectURL释放了仍被父组件保留并继续复用的 objectURL。解决方案说明
将 objectURL 的释放时机从“组件卸载即统一释放”调整为“文件项真正从列表移除或 URL 被替换时再释放”，避免受控
fileList在组件卸载期间持有的blob:URL 被提前 revoke，同时仍确保在移除/清空等真实释放场景下回收内存。主要变更点
UploadFoundation的内存释放策略：不再在destroy/unmount阶段无条件 revoke 仍可能被外部复用的 objectURL（packages/semi-foundation/upload/foundation.ts）packages/semi-ui/upload/index.tsx）fileList+ toggle visible”时不应 revoke objectURLpackages/semi-ui/upload/__test__/upload.test.js）测试说明
blob:URL 失效，并验证移除/清空会触发revokeObjectURL回收。