Agent Skills: writing-plans

계획, 구현 계획, 플랜 작성, 작업 계획, 구현 플랜, 플랜 저장, TODO 저장, 계획 캡처, plan 저장, 플랜 캡처 - Creates detailed implementation plans with bite-sized tasks and TDD steps. Also captures Plan mode output to structured markdown. Use when planning multi-step implementations before coding, or saving Plan mode output. Do NOT use for brainstorming (use brainstorming) or PRD/product strategy (use prd-strategist).