Branch names with `/` (e.g. garrytan/design-system) break review log
filepaths when Claude Code runs multi-line bash blocks as separate shell
invocations — eval sets $SLUG/$BRANCH in shell 1, but they're gone by
the time mkdir and echo run in shells 2+3.
These two scripts encapsulate the full operation (slug detection + mkdir
+ file I/O) in a single command, eliminating the variable persistence
problem. Both support GSTACK_HOME env var override for testability.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Garry Tan