umputun / secrets / 17560895754

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github

Implement comprehensive SEO improvements (#76)

* feat: implement comprehensive SEO improvements

- Add BaseURL field to templateData for absolute social media image URLs
- Add IsMessagePage flag for conditional noindex on sensitive pages
- Implement jsonEscape template function for safe JSON-LD escaping
- Add sitemap discovery to robots.txt
- Add X-Robots-Tag header for defense-in-depth on message pages
- Fix truncated comment in router
- Add comprehensive test coverage for all SEO features

* fix: address Copilot PR review feedback

- Add length check to jsonEscape to prevent panic on empty strings
- Generate proper PNG image (1200x630) for social media from SVG
- Update Open Graph and Twitter meta tags to use PNG instead of SVG
- Add og:image:width and og:image:height for better preview rendering

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