- login: SMS step now has a 60-country dial-code <select> (CH default)
and a national-number input, combined into strict E.164 client-side
- marketing header: probe /v1/auth/me, show "Dashboard" when signed in
instead of the Sign in / Start building CTAs
- dashboard overview: drop the duplicate "+ New server" button, the
navbar one is the single source
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Server-side authorization-code flow: /v1/auth/google redirects to the
consent screen with a CSRF state cookie; /v1/auth/google/callback
exchanges the code, validates the ID token (iss/aud/exp/email_verified),
and mints a 30-day session via upsertOAuthLogin. /v1/auth/providers lets
the login UI hide the button until GOOGLE_OAUTH_ID/SECRET are set.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
