feat: add sequencer, piano roll modules with pre-composed chiptune melody

Add step sequencer (16-step with note/gate editing) and piano roll
(canvas-based MIDI editor with draw/erase tools). Includes a Megaman-style
melody in C minor. Chiptune preset now uses piano roll instead of keyboard.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jose Luis
2026-03-21 01:30:03 +01:00
parent 4a003f2af2
commit 65a89e2b59
7 changed files with 647 additions and 23 deletions

View File

@@ -89,7 +89,7 @@ html, body, #root {
/* ===== Modules ===== */
.module {
position: absolute; width: 180px;
position: absolute; width: 180px; min-width: 180px;
background: var(--surface); border: 1px solid var(--border);
border-radius: 8px; user-select: none; z-index: 2;
box-shadow: 0 4px 16px rgba(0,0,0,0.4);