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Added SEO tags, robots/sitemap, and dev-logs SEO guidance for the log index. | Dev Logs

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Date: 2026-01-09 00:00 Summary: Added SEO tags, robots/sitemap, and dev-logs SEO guidance for the log index.

[question] 目前开发日志系列内容不符合seo规范，请给出seo方案

[try to solve]

  • Enhanced public/dev-logs/index.html with canonical, Open Graph/Twitter tags, and JSON-LD (CollectionPage/Breadcrumb).
  • Added public/robots.txt and public/sitemap.xml (home + log index).
  • Extended .github/copilot-instructions.md with dev-logs-specific SEO practices for structure and discoverability of future logs.

[actions]

  • Updated public/dev-logs/index.html
  • Created public/robots.txt
  • Created public/sitemap.xml
  • Updated .github/copilot-instructions.md
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