Broken URL and footnote rendering in mistune plugins

Broken URL and footnote rendering in mistune plugins: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). The URL plugin is reversing URLs and incorrectly handling link processing. When using the URL plugin, links are rendered with reversed URLs (e.g…

The task

The URL plugin is reversing URLs and incorrectly handling link processing. When using the URL plugin, links are rendered with reversed URLs (e.g., "moc.elpmaxe//:ptth" instead of "http://example.com").

Part of keryszhan/harbor-swesmith-rl-artifacts.