[Arielfoever]

支持文章级的覆写版权设置和转载设置。

Type of change

• Bug fix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other (please describe):

Checklist

• I have read the CONTRIBUTING document.
• I have formatted my code using Biome (pnpm format).
• npx astro check passes with 0 errors.
• I have checked to ensure that this Pull Request is not for personal changes.
• I have performed a self-review of my own code.
• My changes generate no new warnings.

Related Issue

Changes

How To Test

license:                # 可选，覆写全站版权声明；省略字段回退全站
  enable: true
  name: CC BY 4.0
  url: https://creativecommons.org/licenses/by/4.0/
  author:               # 作者：字符串或 { name, url }
    name: 某某
    url: https://example.com/author
  source: https://original.example.com/post  # 转载原文链接；留空=原创

Which can add to a existed post and looks good.

Screenshots (if applicable)

Additional Notes

[matsuzaka-yuki]

Approving for a squash merge; the remaining formatting and compatibility follow-ups will be handled on main.