Add OpenEnv adapter contract tests

Add OpenEnv manifest and deployment packaging

Add OpenEnv runtime adapter and server entrypoint

Add 3D fold preview modes

feat: Python 3D origami mass-spring simulator (Ghassaei 2018)

feat: React observability dashboard + FastAPI server + matplotlib renderer

feat: implement origami RL environment (Phase 1)

plans/

docs/handoff

Remove __pycache__ and add to .gitignore

Add physics engine (Layer 4) and instruction planner (Layer 1)

Add GRPO trainer scaffold with mock environment

initial commit

Duplicate from static-templates/react