feat: unify page titles

lib/mv_web/live/auth/sign_in_live.ex

@@ -19,6 +19,7 @@ defmodule MvWeb.SignInLive do
 
   alias AshAuthentication.Phoenix.Components
   alias Mv.Config
+  alias Mv.Membership
   alias MvWeb.{AuthOverridesDE, AuthOverridesRegistrationDisabled, Layouts}
 
   @impl true
@@ -49,6 +50,13 @@ defmodule MvWeb.SignInLive do
     register_path =
       if session["registration_enabled"] == false, do: nil, else: session["register_path"]
 
+    # Club name and page title for browser tab (root layout: Mila · Club · Page)
+    club_name =
+      case Membership.get_settings() do
+        {:ok, settings} when is_binary(settings.club_name) -> settings.club_name
+        _ -> nil
+      end
+
     socket =
       socket
       |> assign(overrides: overrides)
@@ -66,6 +74,8 @@ defmodule MvWeb.SignInLive do
       |> assign(:oidc_only, Config.oidc_only?())
       |> assign(:sign_in_id, "sign-in")
       |> assign(:locale, locale)
+      |> assign(:club_name, club_name)
+      |> Layouts.assign_page_title(gettext("Sign in"))
 
     {:ok, socket}
   end