scripts/ now lives in git@dev.pivoine.art:valknar/scripts.git.
Remove it from the home repo tracking and stop allowlisting it
in .gitignore.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Replace ad-hoc conditional blocks with helper functions and arrays for PATH
extensions, sourced files, shell options, and a new eval_expressions array
that evals tool initializer output (starting with pyenv init -).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>