Plan: Migrate to Chezmoi + Brewfile

[sammcj]

Summary

• Adds a detailed migration plan (CHEZMOI_MIGRATION_PLAN.md) to move from the current iCloud-synced symlink approach to Chezmoi + Brewfile in a new sammcj/dotfiles repo
• Covers: age encryption for secrets, tracked Brewfile, 10 idempotent run scripts replacing bootstrap_shell.sh, .chezmoiexternal.toml for zgen/tpm/git-fuzzy, and elimination of all iCloud/Dropbox path dependencies
• No asdf — keeps pyenv, uv, fnm, rustup as direct version managers

Key decisions in the plan

• New repo (sammcj/dotfiles) rather than converting this one in-place
• age encryption for .gitconfig.private and *private*.rc files
• ~/.zsh.d/ replaces the iCloud Drive sourcing path for numbered rc files
• Starter Brewfile template included, to be refined with brew bundle dump --describe
• Chezmoi templates (.tmpl) for files with hardcoded /Users/samm or iCloud paths

Test plan

• Review the plan document for completeness
• Validate the chezmoi source directory structure maps correctly
• Confirm all current dotfiles are accounted for in the file mapping table
• Check that run scripts cover all bootstrap_shell.sh functionality

https://claude.ai/code/session_01PBdjqTx5noDE7ZFxJhxmho