Document agent-context v2 kit capability support (#26482)

Add `agent-context@2` to the kit capability support table so kit authors
can check local support and cloud profile restrictions. Cloud sandboxes
use one workload profile in `/home/agent`, with mixin guidance written
into that profile.

Release availability is unconfirmed, so the row is marked unreleased.
Validation: scoped Markdown and Vale checks pass; specification link
verified. Runtime examples were not run because `sbx` was unavailable.
This commit is contained in:
David Karlsson authored and GitHub committed 2026-11-04 10:01:20 +01:00
1 parent 6cd2e5204b
commit bd547ab0d0
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@@ -24,6 +24,7 @@ All capability names in the table have the `com.docker.sandbox/` prefix.
| Capability | Local sandboxes | Cloud sandboxes | Restrictions |
| --- | --- | --- | --- |
| [`agent-context@1`](https://github.com/docker/sandbox-kit-spec/blob/main/docs/spec/capabilities/com.docker.sandbox/agent-context@1.md) | v0.45.0 | v0.45.0 | Agent instructions are applied when creating the sandbox. |
| [`agent-context@2`](https://github.com/docker/sandbox-kit-spec/blob/main/docs/spec/capabilities/com.docker.sandbox/agent-context@2.md) | v0.51.0 | Limited: v0.51.0 | Cloud sandboxes write one workload profile in `/home/agent`. Mixins use the workload's profile and cannot specify a `directory`. Unsupported required profiles prevent creation; optional ones are skipped. |
| [`agent-interactive-sessions@1`](https://github.com/docker/sandbox-kit-spec/blob/main/docs/spec/capabilities/com.docker.sandbox/agent-interactive-sessions@1.md) | Unsupported | Unsupported | Docker Sandboxes does not use these session commands. |
| [`agent-sessions@1`](https://github.com/docker/sandbox-kit-spec/blob/main/docs/spec/capabilities/com.docker.sandbox/agent-sessions@1.md) | Declaration only | Declaration only | Accepted since v0.45.0, but Docker Sandboxes does not execute the declared session commands. |
| [`agent-skill@1`](https://github.com/docker/sandbox-kit-spec/blob/main/docs/spec/capabilities/com.docker.sandbox/agent-skill@1.md) | v0.48.0 | Unsupported | Requires a selected `agent-skills@1` destination. Bundled skills remain available with `--skills=off`. |