base-installer models a verified installer/updater. It accepts typed path and
secret configuration, keeps stdout machine-readable, redacts token state, and
preserves status through cleanup.
BASE_BASH_LIBS_DIR="$PWD/lib/bash" "$PWD/bin/base-bash" \
examples/reference-apps/installer/bin/app status
BASE_BASH_LIBS_DIR="$PWD/lib/bash" BASE_REFERENCE_INSTALL_TARGET=/tmp/demo \
"$PWD/bin/base-bash" examples/reference-apps/installer/bin/app install --dry-runThe BATS suite covers missing state, idempotent install/update, dry-run, and unknown-command failures.