Get app installation status and log.
Poll this after install_app() to track progress.
Requires: API key with read scope.
Args:
slug: Site identifier
app_id: App ID from install_app() response
Returns:
{"id": "uuid", "app_name": "forge", "status": "running"|"installing"|"failed",
"install_log": "..."}
Statuses: "installing", "running", "stopped", "failed", "uninstalled"
Connector