606f31f13c
- Add Appearance_Feature_System_V1.0.md design doc - Add proportion_calculator.py for body proportions (height, body shape) - Add feature_extractor.py for hierarchical feature extraction - Add tkg_level1_builder.py for TKG person_trace nodes - Fix mediapipe_holistic_processor.py to output Top-Left pixels - Add MediaPipe format conversion in proportion_calculator Coordinate system alignment: - Swift Pose: Top-Left pixels (Y-flip done in swift_pose.swift) - MediaPipe: Top-Left pixels (norm→pixel conversion added)