toolbox: projection rendering + world-frame check; gel centre fix

toolbox: projection rendering + world-frame check; gel centre fix

toolbox: projection rendering + world-frame check; gel centre fix

toolbox: projection rendering + world-frame check; gel centre fix

toolbox: projection rendering + world-frame check; gel centre fix

toolbox: projection rendering + world-frame check; gel centre fix

toolbox: projection rendering + world-frame check; gel centre fix

up-axis: Y-up declared, Z-up available and tested

calib_dir resolves from the environment

toolbox: publish current viz.py (project_gel_frame was missing)

toolbox: publish current calibration.py (project_gel_frame was missing)

publish toolbox/calib_epoch.py

toolbox: publish splits.py

toolbox: publish __init__.py

toolbox: publish actions.py

toolbox: publish probe_eval.py

toolbox: publish synth_actions.py

toolbox: projection rendering + world-frame check; gel centre fix

Add tactile_{left,right}_is_new flags; ship preprocess/ code; document true tactile rate (71.8% duplicated, ~8.5 fps effective)

Add session/per-episode rest-gel reference (robust to all-contact episodes) + validation

Toolbox quickstart: fix viz function table row

Toolbox: grayscale depth view (standard GelSight height-map convention) + regen demo

Add react_toolbox: VBTS utilities (reference/contact mask/approx depth/viz/calibration/actions) + quickstart + demo montage. MIT.