WHAT: Turborepo monorepo build system - caching, task pipelines, and parallel execution for JS/TS projects.
WHEN: User configures turbo.json, creates packages, sets up monorepo, shares code between apps,
runs --affected builds, debugs cache misses, or has apps/packages directories.
KEYWORDS: turborepo, turbo.json, monorepo, dependsOn, task pipeline, caching, remote cache,
--filter, --affected, packages, workspace, pnpm workspace, npm workspace, build optimization