Gating at Entry

• Node function checks prerequisites on entry
• If locked, returns status=“locked” with missing prerequisites listed
• RG client also prevents move selection to locked hexes (UI gating)

Fallback Chain

Qwen 3.6+ (Nous Portal OAuth — free, unlimited)
  ↓ if rate-limited/error
Kimi K2.6 (API key — already configured)
  ↓ if unavailable
MiniMax (API key — deferred)

ADVISORY

Poller/Stager

Recommended: inline interrupt() loop inside node function. 3-4 MC questions. No subgraph needed for prototype. Can be upgraded to subgraph later.