The harness fragments now run as inline modules (after app.js) and stub the renderer through render.setFetcher; harness.sh's loop mode goes over http + DevTools like resume (file:// cannot load modules; --dump-dom also hangs on current Chrome). No page change yet. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Dhu3iHseRewQ2WpBSVLokG