PHP depth locomotion student v1

Validated RealSense D435i depth locomotion ONNX pair: depth_backbone.onnx and student.onnx. Extract into ~/.cache/php-parkour/student and follow wbt_training/DEPLOY.md. The release copies preserve model weights and runtime metadata; export provenance is removed. No raw training checkpoints are included.

The archive and every contained file have been checked against the SHA-256 manifest in release-assets.json. SHA256SUMS contains the archive checksum.