Briar v1.2.207

What's Changed

• fix(cli): show the primary desktop when an agent holds no display by @siisee11 in #1708
• fix: keep a sandbox computer's id stable across sandbox up by @siisee11 in #1710
• fix(managed-computers): reject a runtime release missing a provider runner by @briar-workflow[bot] in #1709
• feat(dm): show agent placeholder row instead of inline typing strip by @siisee11 in #1711
• fix(cli): read the Claude model catalog from the stream-json model picker by @siisee11 in #1712
• fix(ci): exclude Claude worktree copies from the repo-tools vitest run by @siisee11 in #1713
• feat(sandbox): ship OpenCode and Grok in the sandbox image and copy their auth on up by @siisee11 in #1715
• fix(worker): keep specific dispatches claimable after their Worker is deleted by @siisee11 in #1714
• chore: prepare Briar v1.2.207 by @siisee11 in #1716

Full Changelog: v1.2.206...v1.2.207