MIT License

Copyright (c) 2026 whitefirer
Copyright (c) 2026 dsh-local-file-share contributors (fork modifications)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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## 出处说明 / Provenance

`dsh-local-file-share`（本地文件共享）是
[`dsh-browser-fs`](https://github.com/whitefirer/dsh-browser-fs)（作者 whitefirer，MIT）的
衍生版本。上游的协议设计、host/client 双半结构、File System Access 后端、语法高亮
chunk、兼容模式选择器与多设备 roster 均来自上游，本仓库在此之上做了：

- 品牌与包名更名（`dsh-browser-fs` → `dsh-local-file-share`）；
- 悬浮卡片视觉层重做（新增 `src/client/styles.ts`，全面改用 dsh 主题 token，浅色/
  深色跟随，补 hover/focus/动效/滚动条/减少动效降级）；
- 交互补齐（双击收起、Esc 收起、方向键移动卡片、`aria-live` 状态播报、键盘可达）；
- WS 升级的浏览器会话校验（复用 `connection.requestRejection`）。

原始版权与许可声明保留在本文件与源码头部注释中。按 MIT 条款，本衍生版本同样以 MIT 发布。