内联Values配置无效

在规则是这样配置的

```

\``` header
Authorization: Bearer xx
\```

# 转发到线上接口
/^http://xx(.*)/ reqHeaders://{header} https://yy$1
```

使用了whistle 内联语法

到了whistle界面变成了


Reproduce the reported configuration in LightProxy using the shown whistle inline Values syntax, then trace how the inline header block and `reqHeaders://{header}` rule are parsed and displayed. Done means the configuration remains valid and the resulting rule preserves the intended Authorization header when forwarded.

Written by the indexing model from the issue text.