Design Tracker Skill

Purpose

.claude/docs/DESIGN.md

• Architecture decisions
• Implementation plans
• Library choices and their rationale
• TODO items and open questions

When to Activate

• User discusses architecture or design patterns
• User makes implementation decisions (e.g., "let's use ReAct pattern")
• User says "record this", "add to design", "document this"
• User asks "what's our current design?" or "what have we decided?"
• Important technical decisions are made during conversation

Workflow

Recording Decisions

1. Read existing

   .claude/docs/DESIGN.md

2. Extract the decision/information from conversation
3. Update the appropriate section
4. Add entry to Changelog with today's date

Sections to Update

Output Format

• What was recorded
• Which section was updated
• Brief summary of the change

Language Rules

• Thinking/Reasoning: English
• Code examples: English
• Document content: English (technical terms) + Japanese (descriptions OK)
• User communication: Japanese