Result of a convergence loop (full or single-step).
Discriminated union. Callers MUST narrow on result.kind before reading
artifact — TypeScript will refuse to access artifact on the
BlockedResult branch.
All call sites in src/rails/{plan,implement,continue,architecture}.ts
narrow on result.kind and route BLOCKED to the rails' RailBlocked path
via blocked('SUBAGENT_UNABLE_TO_REVIEW').
Result of a convergence loop (full or single-step).
Discriminated union. Callers MUST narrow on
result.kindbefore readingartifact— TypeScript will refuse to accessartifacton theBlockedResultbranch.All call sites in src/rails/{plan,implement,continue,architecture}.ts narrow on
result.kindand route BLOCKED to the rails' RailBlocked path via blocked('SUBAGENT_UNABLE_TO_REVIEW').