import {
  mountAssistantWidget,
  type AssistantWidgetContext,
  type AssistantWidgetHandle,
} from '../domain/ai-assistant/widget/mountAssistantWidget';

/**
 * Mount the assistant on the current page.
 *
 * Domain classes must not touch DOM globals, so the widget layer resolves the
 * document itself. Tests and non-browser callers keep using
 * `mountAssistantWidget(doc, context)` with an explicit document.
 */
export function mountAssistantWidgetOnPage(
  context: AssistantWidgetContext,
): AssistantWidgetHandle | null {
  const doc = globalThis.document;
  return doc ? mountAssistantWidget(doc, context) : null;
}