- Add Cusdis comment integration (zensical.toml + overrides partial)
- Add comments:true to homepage frontmatter
- Gitignore codedb.snapshot and old root build artifacts
- Remove tracked old build files (site/ is the new build output)
- Enlarge header logo (3.2rem) and hide site name via extra.css
- Darken link color (#4a8262) and green-to-sage table header gradient
- Add contributing/ section with leaf captcha email reveal
- Move markdown.md to contributing/; theming.md stays root (unpublished)
- Add practices/ and teachings/ content sections
- Update zensical.toml config
