5 progressions (Mixolydian vamp, I-IV-V, minor descent, axis, Dorian
riff cell) x 2 plays: open-chord Malcolm hits, second-guitar triads,
Keith sus figure, power-chord chug, Police add9 arpeggios, thumb-over
embellishments. omit3 is a declared omission like rootless - the
pitch-class check still applies. Validator and build green.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
SCHEMA.md authoring contract, validate-kb.mjs quality gate (pitch-class
verification of shapes against chord qualities), registry, and the jazz
style: 5 progressions x 2 guitar plays (shells + drop-2), comping
rhythms, improv guidance, sourced licks. Validator and vite build green.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>