What problem does it solve? Engineering plans often hide architecture flaws, missing edge cases, and weak test coverage that only surface after coding starts. This Skill locks in an execution plan by walking through it interactively with opinionated recommendations before implementation begins. ## Core Features & Use Cases - Architecture and data flow review: Examines the plan's structure, diagrams, and data flow to catch design issues early. - Interactive decision walkthrough: Uses structured AskUserQuestion decision briefs with recommendations, pros/cons, and completeness scores for each issue found. - Edge case, test coverage, and performance checks: Flags gaps in error handling, testing strategy, and performance considerations before code is written. - Use Case: You have a design doc for a new feature and are about to start coding. Run this Skill to get an engineering-manager-style review that catches a missing database index and an unhandled race condition before they become production bugs. ## Quick Start Ask the assistant to run an engineering review of your implementation plan or architecture doc before you start coding.