technical-planning
Transform specifications into actionable implementation plans with phases, tasks, and acceptance criteria. Fourth phase of research-discussion-specification-plan-implement-review workflow. Use when: (1) User asks to create/write an implementation plan, (2) User asks to plan implementation after specification is complete, (3) Converting specifications from docs/workflow/specification/{topic}.md into implementation plans, (4) User says 'plan this' or 'create a plan' after specification, (5) Need to structure how to build something with phases and concrete steps. Creates plans in docs/workflow/planning/{topic}.md that implementation phase executes via strict TDD.
