feat(chords): thêm Chords Panel — chordTheory service + presets/custom/AI tab, insert progression vào timeline, Shift+K/menu/toolbar

This commit is contained in:
2026-08-21 12:35:20 +07:00
parent ec85e7d1a9
commit a667d0354f
6 changed files with 562 additions and 11 deletions
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