Tour System

Learn a codebase or capability by walking an ordered, evidence-backed tour — not a prose lecture and not a quiz packet.

Leading words: atlas · stop · checkpoint · reachability · ledger · ResolvedRange.

The Iron Law

NO DEMONSTRATED WITHOUT SOURCE/TEST/RUNTIME EVIDENCE
NO QUIZ PACKET AS THE PRIMARY OUTCOME
NO PERSISTED FEATURE GRAPH / GRAPHIFY REQUIREMENT
NO USER-INVOKED SKILL AUTO-INVOKE

load-subgraph is advisory context. It never alone proves a claim.