Kakeru Nakabachi

Analyze team code review activity and performance metrics from GitHub PRs. Use when: (1) User asks about team review statistics or performance, (2) User wants to see who reviewed what PRs, (3) User asks about review response times or approval rates, (4) User mentions "review metrics", "review stats", "review activity", or "レビュー分析", (5) User asks about review bottlenecks, stuck PRs, or review load.