Function names (whenLayer1Ready, initLayer4Swi69, isLayer4Ready, …), log lines, comments and the library's README and changelog. Nothing outside EVHardware used the names. The header now lists all five layers. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6