Replace innerHTML assignments in app-tabs.js and app-password-toggle.js
with createElement/appendChild to prevent potential XSS vectors. Add
destroy() methods to app-tabs, app-filter-drawer, and
app-toggle-aside-panels so document/window-level listeners can be
properly removed when components are torn down.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>