- Added draggable handles for the torso and head to the test harness.
- Updated `IK_HANDLE_PATHS` to include new entries for "Head" and "Torso".
- Implemented distinct colors for the torso (magenta) and head (yellow) markers.
- Added a visual aid (aim line) to indicate the head's LookAt target direction.
- Ensured that dragging the torso moves only the torso marker, allowing for limb stretching towards stationary targets.
- Implement anisotropic scaling for shape mounting to prevent distortion.
- Replace bounding-box midpoint anchors with joint-based anchors for correct rotation.
- Reset node transforms to ensure clean scaling and rotation before mounting shapes.
- Introduce new helper functions for computing bounding boxes, anchors, part lengths, and scales.
- Neutralize driver rotations to maintain a consistent frame of reference during shape mounting.
- Update documentation to reflect changes and provide detailed bugfix specifications.
- Implemented StkRigAdapter class to adapt a master rig to a loaded .stk dictionary.
- Added methods for fitting bone lengths, recalibrating IK targets, and mounting vector shapes.
- Defined constants for default proportions and bone paths.
- Included error handling for missing nodes and invalid data structures.