New historyButtonsOpacity setting (10-100 percent, default 50) in the
terminal menu (Display & Interaction) and the Web UI. Upgrade now also
copies the Web UI app to /opt/kiosk-webui and restarts it, so new Web UI
settings appear after an upgrade (it previously kept its old copy).
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013wi3ZQveYdjfcrEsyazq32