Self-improving multi-agent review orchestrator for Backpack component PRs. Runs 6 parallel specialist agents (including a learned-patterns agent that mines past PR comments), then confidence-scores findings. Use for PR review, Constitution compliance checks, and pre-merge validation. Run with "learn" to mine recent PRs and auto-update checklist rules.
Migrate a codebase from @skyscanner/backpack-web v41.x to v42.0. Handles BpkButtonV2 → BpkButton rename, deep import removal, and BpkAutosuggest legacy → V2 API migration. Use when upgrading Backpack to v42.
Migrate React components from external Skyscanner repositories (e.g., carhire-homepage) into Backpack design system components. Use when: (1) Component exists in app-specific repo with "unstable_backpack" or similar prefix, (2) Component needs to be promoted to official Backpack component, (3) Converting app code to follow Backpack constitution, (4) Extracting reusable UI patterns from product repos. Covers GitHub API access, Backpack naming conventions, modern Sass API, TypeScript patterns, license headers, accessibility testing, and Storybook integration. MANDATORY: Component must pass full test suite (npm run lint && npm run check-react-versions && npm run check-bpk-dependencies && npm run jest) with 0 errors before acceptance.