Tests setProperty, updateNode bulk update, journal recording, OptimizationLock warning on mutation (not rejection), deleteNode, and insertNode. Defines ASTMutationAPI interface. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Tests setProperty, updateNode bulk update, journal recording, OptimizationLock warning on mutation (not rejection), deleteNode, and insertNode. Defines ASTMutationAPI interface. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>