Observed during: Tragedy Practice Mode planning (2026-07-17).
Why it matters: A catalog of movement primitives (provenance, rights, music role, body regions, energy, difficulty, style tags) enables retrieval-based choreography composition later.
Why out of scope: Practice Mode P0 is one phrase / one dancer / live feedback. Catalog requires creator consent architecture first — opt-in only, never scraped.
Risk: C (rights/privacy).
Reference: docs/product/tragedy-practice-brief.md 'Explicitly out of P0'.
Observed during: Tragedy Practice Mode planning (2026-07-17).
Why it matters: A catalog of movement primitives (provenance, rights, music role, body regions, energy, difficulty, style tags) enables retrieval-based choreography composition later.
Why out of scope: Practice Mode P0 is one phrase / one dancer / live feedback. Catalog requires creator consent architecture first — opt-in only, never scraped.
Risk: C (rights/privacy).
Reference: docs/product/tragedy-practice-brief.md 'Explicitly out of P0'.