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feat(ui): 3D stick figure visualization (COCO-17 + smooth animations) #490

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feat(ui): 3D stick figure visualization (COCO-17 + smooth animations) #490

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9 changes: 9 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -8,6 +8,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased]

### Added
- **3D stick figure visualization for spatial dashboard** (`ui/spatial.html`) —
Renders COCO-17 keypoint skeletons from `/api/v1/spatial/clusters` body cluster
centroids using Three.js. Three pose variants: standing (green), sitting (yellow),
lying (blue). Persistent figure map with position lerp (factor 0.1), smooth
posture-transition keypoint blending (~1s), breathing-rate Y-scale animation,
activity-based sway (still=0.01m, moderate=0.03m, active=0.08m), and opacity
fadeout for disappearing bodies. Falls back to polling `/api/v1/spatial/clusters`
every 2s when WebSocket is unavailable. Depends on body tracking endpoints
provided by the body tracking PR (#487).
- **`nvsim` crate — deterministic NV-diamond magnetometer pipeline simulator** (ADR-089) —
New standalone leaf crate at `v2/crates/nvsim` modeling a forward-only
magnetic sensing path: scene → source synthesis (Biot–Savart, dipole,
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