skillpack-harvest — Editorial workflow for lifting host skills into gbrain

Convention: see _brain-filing-rules.md for file placement rules. This skill writes into gbrain's own tree, not the brain repo's notes.

This skill is the inverse of gbrain skillpack scaffold. Scaffold ships skills downstream (gbrain → host). Harvest lifts proven patterns upstream (host → gbrain) so they become references every other client can scaffold.

Contract

A harvest is "properly done" when: