API

GHW exposes the product runtime and the digital life loop through two interfaces:

• HTTP API — the ui_server REST surface for state, chat, tasks, human feedback, product runtime, and metrics.
• C SDK — the ghw_* C ABI for embedding GHW in a host product.
• State Persistence — the state.json layout, atomic writes, and what is restored on restart.

Both interfaces are entry points onto the same runtime: the C SDK exports it as a C ABI for embedding, while ui_server exposes it over HTTP for monitoring and control.