Terminology

Term Meaning
Unison The private personal-assistant platform and user-facing assistant.
UnisonOS The downloadable appliance runtime, distribution, and operating surface.
Unison assistant One independently governed assistant serving one primary person.
Person A stable human identity, distinct from a display name or login handle.
Principal An authenticated person, device, channel, or workload allowed to make a request.
Assistant instance The independently governed assistant assigned to one person.
Household membership An administrative relationship to the appliance. Each adult member's private data remains separately protected.
Channel identity A revocable binding between an external provider subject and a person.
Personal node The trusted edge device hosting one or more assistants.
Context space An explicit private or shared boundary governing context, membership, purpose, and keys.
Capability Host The architectural boundary for sandboxed tools and connectors. The repository is unison-capability; the runtime service identifier is unison-capability-host.

UnisonOS is a personal-assistant platform designed to coexist with phones and general-purpose operating systems. “Local-first” keeps authority on your node while allowing the remote models, channels, connectors, and backup destinations you explicitly enable.