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flying-hero 96f6318101 📦 添加虚拟环境和启动脚本

新增:
- backend/venv/ - Python 虚拟环境
- backend/start.sh - 启动脚本（使用虚拟环境）
- backend/requirements.txt - 依赖列表
- .gitignore - 忽略虚拟环境和缓存文件

说明:
- 每个项目使用独立虚拟环境
- 避免依赖冲突
- 启动脚本自动创建和激活虚拟环境

2026-04-04 18:29:02 +08:00

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jsx-a11y/no-aria-hidden-on-focusable

Enforce that aria-hidden="true" is not set on focusable elements.

aria-hidden="true" can be used to hide purely decorative content from screen reader users. An element with aria-hidden="true" that can also be reached by keyboard can lead to confusion or unexpected behavior for screen reader users. Avoid using aria-hidden="true" on focusable elements.

Rule details

Succeed

  <div aria-hidden="true" />
  <img aria-hidden="true" />
  <a aria-hidden="false" href="#" />
  <button aria-hidden="true" tabIndex="-1" /> // `tabIndex=-1` removes the element from sequential focus navigation so we don't flag it.
  <a href="/" />
  <div aria-hidden="true"><a href="#"></a></div> // This is also bad but will not be handled by this rule.

Fail

  <div aria-hidden="true" tabIndex="0" />
  <input aria-hidden="true" />
  <a href="/" aria-hidden="true" />
  <button aria-hidden="true" />
  <textarea aria-hidden="true" />

Accessibility guidelines

General best practice (reference resources)

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