What problem does it solve? Code merged without structured review accumulates defects, security vulnerabilities, and architectural debt. This Skill enforces a consistent multi-axis review process with severity-labeled feedback so every change is evaluated before it reaches the main branch. ## Core Features & Use Cases - Five-Axis Review: Evaluates every change for correctness, readability, architecture, security, and performance with concrete checklists per axis. - Severity-Labeled Feedback: Categorizes findings as Critical, Nit, Optional, or FYI so authors know what must be fixed versus what is a suggestion. - Change Sizing and Splitting: Provides thresholds (~100/~300/~1000 lines) and splitting strategies (stack, by file group, horizontal, vertical) for oversized changes. - Use Case: Before merging a pull request that adds a new API endpoint, run the review checklist to verify tests cover edge cases, inputs are validated, no N+1 queries exist, and the change description stands alone in version control history. ## Quick Start Review the current uncommitted changes using the five-axis code review checklist and report findings with severity labels.