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fix(desktop): save page downloads through the macOS shell - #277
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smarty-kiki wants to merge 1 commit into
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smarty-kiki wants to merge 1 commit into
smarty-kiki wants to merge 1 commit into
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打包态 macOS 壳把界面跑在 WKWebView 里，而本机 WebKit 既不肯按 <a download> 下载 （主框架会带着 download 意图导航到 blob: URL，整个界面被文件内容顶掉），也没暴露 WKDownload 的落点代理（拿不到保存位置，WKNavigationActionPolicyDownload 等于空转）。 前端因此「点生成文件不下载，界面变成文本」，聊天产物、知识库导出、群聊日志、对话 日志、渠道附件下载全都中招。 - 壳里注册 WKScriptMessageHandler：页面用 begin/chunk/end 把字节推给原生，原生弹 保存面板后写盘，再把 saved/cancelled/error 结果回传页面 - WKWebView 改用 WKWebViewConfiguration 创建以挂上该桥接；缺能力时自动退回原路径 - 文件名在原生侧清洗（去路径分隔符与控制字符、限长），并限制单文件大小与并发数 - 新增 frontend-enterprise/src/lib/download.ts 统一封装：有桥接走原生保存，浏览器里 保持原 <a download> 行为；对象 URL 延后回收，避免字节被提前释放 - 五个下载入口改用该封装，并按真实结果提示（用户取消保存面板不再谎报成功）
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打包态 macOS 壳把界面跑在 WKWebView 里，而本机 WebKit 既不肯按 下载 （主框架会带着 download 意图导航到 blob: URL，整个界面被文件内容顶掉），也没暴露 WKDownload 的落点代理（拿不到保存位置，WKNavigationActionPolicyDownload 等于空转）。 前端因此「点生成文件不下载，界面变成文本」，聊天产物、知识库导出、群聊日志、对话日志、渠道附件下载全都中招。