*
!CLAUDE.md
!lib/
!lib/cligen
!src/
!src/**
!shard.yml
!README.md
!DESIGN.md
!docs/
!docs/**
!Makefile
!LICENSE
!spec/
!spec/**
!utils/
!utils/**
!wiki/
!wiki/**

# ...but not the binary utils/flag_matrix.sh builds (later rules win).
utils/flag_matrix