Handle authenticated room instance takeover

app/Http/Controllers/EmbeddedRoomController.php

@@ -8,6 +8,7 @@ use App\Http\Resources\RoomResource;
 use App\Models\Room;
 use App\Services\Rooms\RoomPageService;
 use App\Services\Rooms\RoomParticipationService;
+use App\Services\Rooms\RoomPlayerInstanceService;
 use Inertia\Inertia;
 use Inertia\Response;
 
@@ -16,6 +17,7 @@ class EmbeddedRoomController extends Controller
     public function __construct(
         private readonly RoomParticipationService $roomParticipation,
         private readonly RoomPageService $roomPage,
+        private readonly RoomPlayerInstanceService $playerInstances,
     ) {}
 
     public function __invoke(ShowEmbeddedRoomRequest $request): Response
@@ -33,6 +35,11 @@ class EmbeddedRoomController extends Controller
             $validated['player_name'],
             $request->session()->get("room_players.{$room->id}"),
         );
+        $player = $this->roomParticipation->activateInstance(
+            $room,
+            $player,
+            $this->playerInstances->for($request),
+        );
 
         $request->session()->put("room_players.{$room->id}", $player->id);