The compliance chart sits in the short, wide mic-and-USBM band on the event report; without a fixed aspect matplotlib stretched it wide-and-short. Force a square plot box, which is how log-log compliance charts are conventionally drawn. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDXjZCr4RqT2U3QvMDhgzf