Records reasoning steps during hypothesis-driven analysis as an Insight Journal. Supports observation logging, evidence tracking, method decisions, question management, and hypothesis branching. Journal data is stored as YAML alongside design files. Triggers: "journal", "記録して", "ジャーナル", "推論を残す", "分析ログ", "分析の経緯", "なぜこの結論に至ったか記録", "evidence log".
Records the reasoning process behind an analysis design as a structured event journal. Each event captures a discrete reasoning step — observation, hypothesis, evidence, question, decision, reflection, conclusion, or branch.
Based on Narrative Scaffolding (Huang+ IUI 2026) and Sensemaking Loop (Pirolli & Card) frameworks.
If $ARGUMENTS contains a design ID (e.g., "FP-H01"), use it directly.
Otherwise, call list_analysis_designs(status="analyzing") and ask user to select.
Validate with get_analysis_design(design_id).
Read .insight/designs/{design_id}_journal.yaml using the Read tool.