Teach pouch to optimize a named skill's loading layout: keep SKILL.md as a
router, move mode-specific steps to references, and measure footprint with
an audit script instead of dumping the whole skill into context.
Give ack, builder, and deployer an explicit init/check mode that reports
missing project config instead of failing mid-work. Point builder at
makefile.builder so its contract targets do not collide with an existing
Makefile.