grid: ruler_snap, resize clamps, bounds, fixed-stride preservation.
dsp: op mapping, input/param/CC wiring, env detection, sine bounds,
exact saw/mix samples, output summing, note gating, envelope
rise+release, cutoff curve.
engine: A4->440, oldest-voice steal, note reaping, CC registers, limiter.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GLUwWE2KmFPzhKaf67tWbx