- Rename the 3-osc synth's display name "NES Synth" → "Synth" (the enum
NES_SYNTH stays as the serialized id, so saved projects/presets are
unaffected).
- Knobs: replace absolute finger-position control (full range mapped onto
the 44dp knob → very touchy) with relative drag over ~280dp of travel,
so fine tweaks are easy and the control isn't sensitive.
- Add a darkwave/industrial preset family: Pluck Bass, Acid Pluck
(punchy plucky basses), Razor Lead, Cold Lead (cutting leads), and
Grit Sub, Detune Wall (harsh, detuned deep basses for layering under
bass pads).
- Preset seeding now records seeded names in the per-type marker instead
of a single flag, so factory presets added in a later version appear on
upgrade without resurrecting presets the user deleted (legacy "1"
markers upgrade cleanly).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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