- claim_task/complete_task: send taskId not id - graph_result: read msg.records not msg.rows - message_status: try all mesh clients, not only first - broker: omit state_result for set_state (fixes get_state cross-contamination) - error handler: unblock first pending resolver on unmatched broker errors Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>