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/conferences/create.blade.php

@@ -41,7 +41,7 @@
                 <div>
                     <label class="block text-sm font-medium text-slate-700">Timezone</label>
                     <select name="timezone" class="mt-1 w-full rounded-lg border-slate-300 text-sm">
-                        @foreach (['UTC', 'America/New_York', 'America/Chicago', 'America/Los_Angeles', 'Europe/London', 'Africa/Lagos'] as $tz)
+                        @foreach (config('meet.schedule_timezones') as $tz)
                             <option value="{{ $tz }}" @selected(old('timezone', $organization->timezone) === $tz)>{{ $tz }}</option>
                         @endforeach
                     </select>
@@ -49,10 +49,25 @@
             </div>
 
             <div>
-                <label class="block text-sm font-medium text-slate-700">Invite by email (comma-separated)</label>
+                <label class="block text-sm font-medium text-slate-700">Invite speakers by email (comma-separated)</label>
                 <input type="text" name="invite_emails" value="{{ old('invite_emails') }}" placeholder="speaker@example.com" class="mt-1 w-full rounded-lg border-slate-300 text-sm">
             </div>
 
+            @if ($members->isNotEmpty())
+                <div>
+                    <label class="block text-sm font-medium text-slate-700">Assigned speakers</label>
+                    <p class="mt-0.5 text-xs text-slate-500">Team members who can speak on stage. You are always the host.</p>
+                    <div class="mt-2 max-h-40 space-y-2 overflow-y-auto rounded-lg border border-slate-200 p-3">
+                        @foreach ($members as $member)
+                            <label class="flex items-center gap-2 text-sm">
+                                <input type="checkbox" name="presenter_refs[]" value="{{ $member->user_ref }}" @checked(in_array($member->user_ref, old('presenter_refs', []))) class="rounded border-slate-300">
+                                <span>{{ $member->user_ref }}</span>
+                            </label>
+                        @endforeach
+                    </div>
+                </div>
+            @endif
+
             <div>
                 <label class="block text-sm font-medium text-slate-700">Passcode (optional)</label>
                 <input type="text" name="passcode" value="{{ old('passcode') }}" class="mt-1 w-full rounded-lg border-slate-300 text-sm">