docs: Add polyrhythm support specification#25
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Defines the plan for adding odd step counts (3, 5, 6, 7, etc.) to enable true polyrhythmic patterns. Key points: - Expand STEP_COUNT_OPTIONS from 9 to 24 options - Fix swing behavior to use pattern-local step position - Update validation whitelists in worker - LCM-based pattern length already works for arbitrary counts This unlocks polyrhythms like 5:8, 3:4, and 7:8 used in techno, IDM, and Afrobeat production.
… analysis - Add comprehensive research document (specs/research/POLYRHYTHM-RESEARCH.md) covering musical theory, hardware survey, and genre-specific patterns - Document roadmap overlaps (Euclidean, per-track swing, step rotation) - Add "Extra Features Required" section for Phase 2/3 enhancements - Document 6 deferred ideas (arbitrary step counts, irrational rhythms, etc.) - Analyze 5 alternative approaches with pros/cons - Note: Swing fix is prerequisite for future per-track swing feature
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Defines the plan for adding odd step counts (3, 5, 6, 7, etc.) to enable
true polyrhythmic patterns. Key points:
This unlocks polyrhythms like 5:8, 3:4, and 7:8 used in techno, IDM,
and Afrobeat production.