Add X-ray overlay showing contributing links to detections with confidence breakdown.
- Users can click "Why?" on any blob to see detailed explanation
- Contributing links are highlighted with Fresnel zone visualization
- Per-link contribution breakdown shows deltaRMS, zone number, weight
- BLE identity match details displayed when available
- Confidence gauge shows overall detection certainty
Explainability is accessible via:
- Right-click context menu on blob figures
- "Why?" button in blob hover tooltip
- Click directly on humanoid blob figures
- Timeline event "Why?" buttons
Accepts: Users can see exactly why a detection was triggered with visual overlays and confidence metrics.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>