When dispatched with opencode_url set (e.g. Tailscale URL), the workflow skips starting a local opencode server and the model probe, and points the emulator directly at the external server. This allows running the full CUA test against a live dev server without depending on the flaky CI-hosted opencode serve setup. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>