Added inern app integration

app/Http/Controllers/EmbeddedRoomController.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\ShowEmbeddedRoomRequest;
+use App\Http\Resources\CurrentPlayerResource;
+use App\Http\Resources\RoomResource;
+use App\Models\Room;
+use App\Models\User;
+use App\Services\Rooms\RoomPageService;
+use App\Services\Rooms\RoomParticipationService;
+use Inertia\Inertia;
+use Inertia\Response;
+
+class EmbeddedRoomController extends Controller
+{
+    public function __construct(
+        private readonly RoomParticipationService $roomParticipation,
+        private readonly RoomPageService $roomPage,
+    ) {}
+
+    public function __invoke(ShowEmbeddedRoomRequest $request): Response
+    {
+        /** @var array{join_code: string, player_name: string} $validated */
+        $validated = $request->validated();
+        $user = $request->user();
+
+        abort_unless($user instanceof User, 403);
+
+        $room = Room::query()
+            ->where('join_code', $validated['join_code'])
+            ->firstOrFail();
+        $player = $this->roomParticipation->joinEmbedded(
+            $room,
+            $user,
+            $validated['player_name'],
+        );
+
+        $request->session()->put("room_players.{$room->id}", $player->id);
+        $request->session()->forget('embedded_login');
+
+        $pageData = $this->roomPage->prepare($room, $player, $user);
+
+        return Inertia::render('embedded/Room', [
+            'room' => (new RoomResource($pageData))->resolve($request),
+            'currentPlayer' => (new CurrentPlayerResource($pageData))->resolve($request),
+        ]);
+    }
+}