AbortMigrationRequest AutoManager → Manager: abort an in-flight migration. Identifies the migration by (jobId, source role, target role) so Manager can route NodeControllerMigrationAbort to both workers. Field Type Repeated Description job_id JobId source_role string target_role string reason string migration_id string Argument of Method Description AbortMigration Abort an in-flight migration cleanly: NodeControllerMigrationAbort goes to both sides (source resumes output, target tears its migration state down). WriteFile AppendAuditEntryRequest