fix(client-runtime): load earlier stops at a revealed notification

The timeline shows every notification as a response boundary, so a page
containing one already reveals visible history, whether it opened its run
or arrived mid-run.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
67c9f4b5d8Julius Marminge committed on 10/24/2026, 11:24:31 AMparent5117e44
2 files changedLine totals unavailable