Use full-page navigation after login/logout so the dashboard reloads
with the fresh auth cookie, and mark login/logout responses no-store.
Fixes#2100
Co-authored-by: Cursor <cursoragent@cursor.com>
Prefer edited name over provider email/displayName in Providers and
Quota Tracker; surface the provider-sourced email/display as secondary
text. Keeps fallbacks for legacy or unnamed connections.
Closes#1699
Co-authored-by: Cursor <cursoragent@cursor.com>