Authoring

Provenance

Optional upstream declaration.

provenance:
  kind: port
  upstream:
    name: some-bench
    url: https://github.com/…
    ref: v0.1.0

Root dataset default and/or member override (member replaces root).
port-like kinds need upstream.url plus ref or commit.

Docker and what the agent can see

When to use docker, the Dockerfile, and what the agent can see.

ACP profiles

Plug coding agents with executor: acp and - plugin: acp options.entry.