pub(crate) async fn handle_host_browser_popup_window(
__arg0: State<AppState>,
headers: HeaderMap,
__arg2: Json<Value>,
) -> impl IntoResponseExpand description
POST /api/v1/host/browser_popup_window — the host created, navigated
or closed a popup window (a native window a browser pane’s page opened;
SPEC_BROWSER_PANE_NATIVE_POPUPS_AGENT_DRIVEN_2026_10_08.md §4). Body
{event: "opened"|"navigated"|"closed", popup, opener, url}. Only the
host can call it. The window’s owner is the opener’s, from srv’s own
record; the opener’s popup-windows strip is kept current.