<h2>New Features</h2> <ul> <li>Added a built-in Google Cloud Vertex AI provider, configured with <code>model_provider = "gcp"</code>. (<a class="issue-link js-issue-link" href="https://github.com/openai/codex/pull/56265">#56265</a>)</li> <li>Added GPT-6.1 Terra to the model catalogs. (<a class="issue-link js-issue-link" href="https://github.com/openai/codex/pull/57337">#57337</a>)</li> <li>Added a repository filter to the session picker and directory grouping to the agent command center, making it easier to navigate sessions across linked worktrees. (<a class="issue-link js-issue-link" href="h