turborepo

Turborepo monorepo build system guidance. Covers: turbo.json, task pipelines, dependsOn relationships, caching (local and remote), the "turbo" CLI, --filter, --affected, CI optimization, environment variables, internal packages, monorepo structure and best practices, and defining clear boundaries. Use this when the user configures tasks/workflows/pipelines, creates packages, sets up a monorepo, shares code between apps, runs changed/affected packages, debugs cache issues, or uses an apps/packages directory layout.