Code Review Diagnostic Systematic code review catches 60-90% of defects before production, reduces maintenance costs by 40%, and serves as effective knowledge transfer. This skill provides structured review guidance for both human reviewers and AI agents. When to Use This Skill Use this skill when: - Reviewing code before merge - Assessing code quality - Preparing code for PR submission - Self-reviewing before requesting review Do NOT use this skill when: - Writing new code (use implementation skills) - Designing architecture (use system-design) - Working on requirements (use requirements-ana…