- Add automatic nesting detection using SHLVL and terminal detection
- Indent log output when scripts call other scripts (log_action, log_warn, log_detail)
- Add script filename to log_title for better traceability
- Update documentation with indentation examples
- Use portable approach that works across bash, zsh, and different platforms
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
