Zapvol Documentation Agent engineering concepts on one side, Zapvol platform docs on the other. Zapvol Getting Started Set up Zapvol and run your first agent task in minutes. Architecture How the monorepo, packages, and runtime pieces fit together. AI SDK AI SDK Internals Vercel AI SDK internals as they matter for building production agents — three-layer API, lifecycle ordering, message reference model, prepareStep semantics. Based on ai@^6. Harness Harness Engineering Build agent harnesses — long-running flows, multi-agent coordination, context engineering. Context Engineering Design theory for prompts, memory, and context lifecycle — treat the attention budget as a finite resource. Skills Agent Skills Author and ship reusable skills that extend the agent's capabilities. BUA BUA The Browser Use Agent — remote-control the user's logged-in browser under per-domain consent.