feat: v2.2.0 — kick color, Octatrack crossfader/delay, Daft Punk presets

[illobo]

Kick Voice:

• Color knob is a full timbre morph (dark/subby → bright/snappy) affecting pitch env decay, click filter, harmonics, and sub level
• Quadratic pitch shaping for audible sweep/color response
• Sweep range widened to 0-500Hz

Crossfader:

• Constant-power cosine/sine curve (Octatrack-style)
• No volume dip at center position

Delay:

• Single-knob macro: 1/16 → 1/16D → 1/8 → 1/8D → 1/4 → 1/4D → 1/2 → 2/1
• Beat-locked dotted subdivisions for polyrhythmic bounce
• Default: dotted eighth (1/8D) — echoes sit between kick hits
• Clean mode for drums (LP-only), warm mode for synths (HP + saturation)
• Last zone (>0.88) = near-infinite feedback
• EffectParams sent on startup

Presets:

• 8 Daft Punk drum patterns (Around the World, Da Funk, Robot Rock, etc.)
• 8 Basics + 10 Techno II drum patterns with proper offbeat hats
• 16 Daft Punk synth presets (8 bass + 8 lead pairs per track)
• Around the World boots as default scene at 121 BPM
• Synth A: Electric Piano, Synth B: Acid Bass
• Ride decays shortened by 1/3
• Default BPM 121