Implement conference breakouts with meeting mode and programme lineup UI.

Attendees reconnect to breakout rooms with publish access while hosts stay on stage; poll and media-token endpoints drive LiveKit reconnection, and the live room shows Events-linked programme when available.

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

app/Services/Meet/BreakoutService.php

@@ -40,7 +40,10 @@ class BreakoutService
             ]));
         }
 
-        $participants = $session->participants()->where('status', 'joined')->get();
+        $participants = $session->participants()
+            ->where('status', 'joined')
+            ->whereNotIn('role', ['host', 'co_host'])
+            ->get();
 
         if ($assignments) {
             foreach ($assignments as $assignment) {
@@ -95,6 +98,34 @@ class BreakoutService
         BreakoutAssignment::whereIn('breakout_room_id', $session->breakoutRooms()->pluck('id'))->delete();
     }
 
+    public function hasActiveBreakouts(Session $session): bool
+    {
+        return $session->breakoutRooms()->where('status', 'open')->exists();
+    }
+
+    public function closeExpired(Session $session): bool
+    {
+        if (! $session->breakoutRooms()->where('status', 'open')->where('closes_at', '<=', now())->exists()) {
+            return false;
+        }
+
+        $this->closeAll($session);
+
+        return true;
+    }
+
+    public function isInActiveBreakout(Participant $participant): bool
+    {
+        if (! $participant->breakout_room_id) {
+            return false;
+        }
+
+        return BreakoutRoom::query()
+            ->where('id', $participant->breakout_room_id)
+            ->where('status', 'open')
+            ->exists();
+    }
+
     public function mediaRoomForParticipant(Participant $participant): string
     {
         if ($participant->breakout_room_id) {