import type { PreviewAnnotationSubmission } from "@t3tools/contracts"; interface AnnotationKeyboardEvent {  readonly key: string;  readonly metaKey: boolean;  readonly ctrlKey: boolean;  readonly shiftKey: boolean;  readonly isComposing: boolean;} export function resolveAnnotationSubmission(  event: AnnotationKeyboardEvent,): PreviewAnnotationSubmission | null {  if (event.key !== "Enter" || event.shiftKey || event.isComposing) return null;  return event.metaKey || event.ctrlKey ? "send" : "attach";}