Show Ladill profile avatars in the meeting participants UI.

Resolve participant photos from linked user records for the header host chip and participants panel, with initials as fallback.

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

app/Http/Controllers/Meet/MeetingRoomController.php

@@ -7,6 +7,7 @@ use App\Models\Participant;
 use App\Models\Session;
 use App\Services\Meet\ChatService;
 use App\Services\Meet\Media\MediaProviderInterface;
+use App\Services\Meet\ParticipantPresenter;
 use App\Services\Meet\RecordingService;
 use App\Services\Meet\SecurityPolicyService;
 use App\Services\Meet\SessionService;
@@ -146,6 +147,8 @@ class MeetingRoomController extends Controller
 
         $session->load(['participants' => fn ($q) => $q->where('status', 'joined')]);
 
+        $avatars = ParticipantPresenter::avatarMap($session->participants, $session->room->host_user_ref);
+
         $messages = $this->chat->recentMessages($session, 50);
         $reactions = $session->reactions()->where('created_at', '>=', now()->subMinutes(5))->latest()->limit(20)->get();
         $qa = app(\App\Services\Meet\QaService::class)->forSession($session, true);
@@ -161,15 +164,9 @@ class MeetingRoomController extends Controller
             ->get();
 
         return response()->json([
-            'participants' => $session->participants->map(fn ($p) => [
-                'uuid' => $p->uuid,
-                'display_name' => $p->display_name,
-                'role' => $p->role,
-                'hand_raised' => $p->hand_raised,
-                'is_muted' => $p->is_muted,
-                'is_video_off' => $p->is_video_off,
-                'breakout_room_id' => $p->breakout_room_id,
-            ]),
+            'participants' => $session->participants->map(
+                fn ($p) => ParticipantPresenter::toArray($p, $avatars, $session->room->host_user_ref)
+            ),
             'messages' => $messages->map(fn ($m) => [
                 'uuid' => $m->uuid,
                 'sender_name' => $m->sender_name,