perf(web): saving the thread list cache no longer re-encodes every thread (#19915)

Co-authored-by: Julius Marminge <julius0216@outlook.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
e2b929f10aAaron Queen committed on 10/16/2026, 3:04:04 AM· committed by GitHubparent2dd87a4
7 files changedLine totals unavailable