Fixes 46 broken relative links across 20 documentation files in docs/.
Changes:
- Added ../ prefix for root files (README.md, AGENTS.md)
- Removed ../ prefix for sibling docs files
- Removed dead links to non-existent files
- Fixed subdirectory paths
Based on PR #574 by chrisvaillancourt.
Co-Authored-By: Chris Vaillancourt <chrisvaillancourt@users.noreply.github.com>