The Build composer
Click Build in the top nav and you land on a chat surface scoped to your active project: the same composer, model picker, Improve, and Plan you get in Chat, plus a visible git branch control (Git settings to switch or configure it) and a Run Swarm action for launching a full crew against the current brief instead of a single turn.

Projects
Projects, reachable from the button in the top-left of Build, is the home for every initiative you have open. Selecting a project surfaces its own five-tab workspace: Activity, Previews, Plans, Resources, and Access.
- →Activity: a chronological feed of every agent action against the project - which swarm ran, how many agents deployed, the exact brief it was given, its role and model tags, and whether it succeeded or failed with a click-through to details. This is the project\u2019s own audit trail, not a summary of it.
- →Previews: rendered output for work that produces a visual artifact, reviewed in place before it ships.
- →Plans: every plan document drafted for this project, with the same version lineage the Workspace panel exposes in chat - nothing here is a stripped-down copy of chat\u2019s record.
- →Resources: the files, connections, and other assets scoped to this project rather than the whole org.
- →Access: who can see and act on this project, separate from org-wide roles - a project can be scoped tighter than the org default.

Start building, connect a repo
A project card carries a Start building action and, when a repository is linked, its GitHub badge and an Open in GitHub link. Connecting a repo lets flows and swarms operate against real code under policy, with every action still landing on the Activity feed the same as any other agent run.
Build is where a brief, a plan, and a swarm run converge on one project record. If you are trying to answer \u201cwhat actually happened on this initiative,\u201d Activity is the source of truth, not chat history.