Every experiment, lab, and authoring tool built before the rebuild. Each page still runs at its /v1/… URL. Nothing here is part of the product yet — routes graduate one at a time by being promoted back up to the root.
/v1/curriculum/worksheet-builder
/v1/curriculum/explorer
/v1/curriculum/map
/v1/curriculum/lesson-1
/v1/problems
/v1/egsm
/v1/barbie
/v1/velocity
/v1/crabs
/v1/equation-solver
/v1/factoring
/v1/hyper
/v1/grid
/v1/grid2
/v1/crab
/v1/crab-v2
/v1/tween-lab
/v1/mouth-lab
/v1/rough-crab
/v1/tv-crab
/v1/notebook
/v1/v3/notebook-problem/4
/v1/v3/editor/4
/v1/scene-editor