Strip ~966 lines of unused code after transitioning to cookie-only
auth: profile CRUD handlers, encryption helpers, username/password
proxy launcher, proxy check/version handlers, dead preload methods,
orphaned CSS (modals, profiles, nav tabs, collapsible sections),
unused DOM elements and renderer functions.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
peji