- zshrc-dev: reload now execs a fresh zsh instead of re-sourcing
- zshenv: remove stale pyenv-rehash temp shim (>1min old) before init
- gitignore_global: ignore .claude/settings.local.json
- zshrc-natera: drop the git switch main->master wrapper
- Add modular zsh configs: zshrc-dev for dev tools, zshrc-natera for work
- Add .gitignore to exclude private Natera config from version control
- Configure git commit signing and delta diff viewer in gitconfig
- Regenerate p10k.zsh with rainbow theme and improved visual settings
- Add HIST_IGNORE_SPACE option to prevent saving sensitive commands
- Document Natera machine setup with private config template in README
Eric Wagoner