- Add DepthVerificationResult dataclass for metrics
- Add project_point_to_pixel() for 3D to 2D projection
- Add compute_depth_residual() with median window sampling
- Add verify_extrinsics_with_depth() for batch verification
- Support confidence-based filtering
- Add optional dist parameter to match test expectations
- Handle single-point case where squeeze() removes necessary dimension
- Fixes failing tests in test_pose_math.py