Save State
- Canonical save = LangGraph checkpointer on Pi
- RG “save” = 640×480 screenshot + hex/unit/turn metadata (visual
bookmark only)
RECOMMENDED (Strong
Suggestions)
HTTP API
- GET /state — returns full game state as JSON
- POST /invoke — unit moves, graph activates node,
returns state + interrupt
- POST /checkpoint — creates named save point
- GET /health — connectivity check
- GET /nodes — node definitions + adjacency + gating
rules