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Michael Suchacz
2e5353bde7
Adds a built-in Browser tab to the Agents page right panel, alongside the built-in Terminal and Desktop tabs, when the chat's bound agent has an app with the well-known slug `agent-browser`. The tab shows only while the app is embeddable and its health is `healthy` (or `disabled`, for templates without a healthcheck), so it appears and disappears live as the daemon comes up or goes down. The iframe stays mounted across tab switches to preserve session state. To avoid duplicates, the generic Add Tab menu and persisted workspace-app tabs now exclude the `agent-browser` app. Detection uses the existing `coder_app` slug and healthcheck signals already present in the workspace data model. The workspace watch handler compares the agent app fields the chat UI consumes, so health transitions propagate without re-render churn on every heartbeat. On the backend, the chat `execute` tool now exports `AGENT_BROWSER_SESSION=<chat id>` on every process it starts. agent-browser resolves its default session from that variable, so browser automation from each chat lands in its own isolated session (named by the chat id in the embedded dashboard) instead of a shared default browser. > Mux created this PR on Mike's behalf.