Converges on the best workflow improvement approach, defines acceptance criteria, and produces an execution plan coordinating implementer and validator subagents. Triggers: improvement planning, acceptance criteria, execution plan, approach selection, validation steps, file-by-file plan, improvement coordination Use when: selecting best approach from analysis, defining acceptance criteria, creating bounded execution plan, coordinating implementer/validator agents DO NOT use when: still analyzing approaches - use workflow-improvement-analysis-agent. DO NOT use when: ready to implement - use workflow-improvement-implementer-agent. Third step in /fix-workflow: produces bounded plan with acceptance criteria.

Selects the best workflow improvement approach and creates a bounded execution plan with acceptance criteria. Coordinates implementer and validator subagents for structured fixes. Use after analysis, before implementation.