Same FOOTPRINT_EDIT_FRAME and the same wx-layer focus rule; opening a second
editor from a board session never became ready on CI (Chromium 180 s, Firefox
footprint load >60 s).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012Wd1r3ewftpV1DBSEArpRa