What is quality-gate?
Right-side-of-V verification/validation orchestration for a change or PR. Produces a single Quality Gate Report with evidence covering: code review, security audit, performance regression risk, requirements traceability, acceptance/UAT scenarios, and (when UI changes) visual regression testing. Use when preparing a PR for merge/release, doing a “ready?” check, or enforcing an engineering quality gate. Source: terraphim/terraphim-skills.