extracting-design-system

Use when the user says "setup", "setup bridge", "extract", "extract DS", "onboard", "build knowledge base", "initialize bridge", or is starting Bridge in a project for the first time. Handles the complete bootstrap: pre-flight checks, scaffolding (docs.config.yaml, cron workflow, .bridge/mcp.json), Figma token management (stdin-only), DS extraction via MCP (preferred) or REST (fallback), guide generation, and first…