Deploy Streamline deployment workflows for React, Next.js, NestJS applications to various environments. Contract Inputs: - Repository root - Target environment: preview, staging, or production - Optional branch, PR number, deployment provider, and health-check URL Outputs: - Pre-deploy gate results - Deployment route and provider - Verification status - Rollback or follow-up instructions when needed Creates/Modifies: - Local changes only when fixing failed gates before deployment - Release PRs only when delegated to External Side Effects: - May trigger provider deployments - May create or upd…