fbfed24fc3
All 8 tasks implemented: - Task 1: pose_math.py - Transform utilities - Task 2: marker_geometry.py - Parquet loader - Task 3: detector.py - ArUco detection - Task 4: svo_sync.py - Multi-SVO sync - Task 5: pose_averaging.py - Robust averaging - Task 6: preview.py - Visualization - Task 7: calibrate_extrinsics.py - Main CLI - Task 8: Unit tests (all passing) All Definition of Done criteria met: - CLI help works - Marker validation works - Tests pass (10/10) - Preview mode functional