The plan assumed build/ was free and that GTK4 was a preference. It was not free — this repo used it as ignored build output — and GTK4 is not available on the dev machine, which breaks `go tool wails3` outright rather than merely changing which webkit is linked. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UDCbcCZQepnpSQYJ6SxxZm