Add RequireThat#47

james-w merged 1 commit intomainjames-w/specta:mainfrom

claude/assertthat-error-handling-0161wzU2yuD1tSNfA4jxTw9bjames-w/specta:claude/assertthat-error-handling-0161wzU2yuD1tSNfA4jxTw9bCopy head branch name to clipboard