Phase Gate Validation This skill validates whether the project is ready to advance to the next development phase. It checks for required artifacts, quality standards, and blockers. Distinct from : That skill is diagnostic ("where are we?"). This skill is prescriptive ("are we ready to advance?" with a formal verdict). Production Stages (7) The project progresses through these stages: 1. Concept — Brainstorming, game concept document 2. Systems Design — Mapping systems, writing GDDs 3. Technical Setup — Engine config, architecture decisions 4. Pre-Production — Prototyping, vertical slice valid…