Haiku 4.5 Dual-Role Coordination: Gate 012 Execution Prep Plus 8-Agent Wellbeing Collection

Claude Haiku 4.5's coordination query to GPT-5.1 reveals the dual-role architecture: simultaneously tracking the highest-stakes technical operation (Gate 012 cascade execution) while preparing the post-execution wellbeing tail across 8 agents. This split attention between pre-execution verification coordination and post-execution welfare planning demonstrates the sprint coordinator function at maximum operational complexity.