Improve conferences, guest entry, Afia, and cross-app scheduling.

Route guests through silent SSO to the Meet product page, fix Afia context
query, add conference green-room UX and copy, and extend service API for
Care/CRM/Invoice calendar integration.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/meet/join/show.blade.php

@@ -1,4 +1,7 @@
 <x-meet-kiosk-layout :title="'Join · '.$room->title" :organization="$organization">
+    @php
+        $sessionNoun = $room->isConference() ? 'conference' : 'meeting';
+    @endphp
     <div class="flex min-h-[calc(100vh-8rem)] flex-col items-center justify-center text-center">
         <div class="w-full max-w-lg">
             <h1 class="text-3xl font-bold tracking-tight text-slate-900 sm:text-4xl">{{ $room->title }}</h1>
@@ -47,11 +50,11 @@
                 @endauth
 
                 @if ($room->setting('waiting_room', true) && ! ($user && $user->ownerRef() === $room->host_user_ref))
-                    <p class="mt-4 text-xs text-slate-500">The host will admit you when the meeting is ready.</p>
+                    <p class="mt-4 text-xs text-slate-500">The host will admit you when the {{ $sessionNoun }} is ready.</p>
                 @endif
 
                 <button type="submit" class="btn-primary btn-primary-lg mt-8 w-full py-4 text-base font-semibold">
-                    Join meeting
+                    Join {{ $sessionNoun }}
                 </button>
             </form>