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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/accessible-emoji

❌ This rule is deprecated.

Emoji have become a common way of communicating content to the end user. To a person using a screen reader, however, they may not be aware that this content is there at all. By wrapping the emoji in a <span>, giving it the role="img", and providing a useful description in aria-label, the screen reader will treat the emoji as an image in the accessibility tree with an accessible name for the end user.

Rule details

This rule takes no arguments.

Succeed

<span role="img" aria-label="Snowman">&#9731;</span>
<span role="img" aria-label="Panda">🐼</span>
<span role="img" aria-labelledby="panda1">🐼</span>

Fail

<span>🐼</span>
<i role="img" aria-label="Panda">🐼</i>

Accessibility guidelines

WCAG 1.1.1

Resources

Léonie Watson, Accessible Emoji

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