interface CommentSubmitShortcutEvent {  readonly key: string;  readonly metaKey: boolean;  readonly ctrlKey: boolean;} /** Shared guard for inline comment composers that submit on Command/Ctrl+Enter. */export function isCommentSubmitShortcut(  event: CommentSubmitShortcutEvent,  value: string,  pending: boolean,): boolean {  return (    !pending && (event.metaKey || event.ctrlKey) && event.key === "Enter" && value.trim().length > 0  );}