Opens protocol 14 (D332) for the step editor: one thin forward, POST /kits/uses
-> kits.uses ({kit, steamIds} in, counts out), for the kit weekend's warning.
perm.sync's new notices (D333) pass through untouched like the rest of the
body. PROTOCOL_VERSION 13 -> 14; one forward test.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E14m6SuuY6i1vASFeGDBeY