feat: added laravel reverb and websocket, also emote throwing added

app/Http/Controllers/RoomEmoteController.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Events\PaperBallThrown;
+use App\Models\Player;
+use App\Models\Room;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Illuminate\Support\Facades\RateLimiter;
+use Illuminate\Support\Str;
+use Illuminate\Validation\ValidationException;
+
+class RoomEmoteController extends Controller
+{
+    public function store(Request $request, Room $room): Response
+    {
+        $player = $request->attributes->get('currentPlayer');
+
+        abort_unless(
+            $player instanceof Player && $player->room_id === $room->id,
+            403,
+        );
+
+        $validated = $request->validate([
+            'target_player_id' => ['required', 'integer'],
+        ]);
+        $targetPlayerId = (int) $validated['target_player_id'];
+
+        if ($targetPlayerId === $player->id) {
+            throw ValidationException::withMessages([
+                'target_player_id' => 'Du kannst dich nicht selbst abwerfen.',
+            ]);
+        }
+
+        $targetExists = $room->players()
+            ->whereKey($targetPlayerId)
+            ->exists();
+
+        if (! $targetExists) {
+            throw ValidationException::withMessages([
+                'target_player_id' => 'Dieser Spieler sitzt nicht an diesem Tisch.',
+            ]);
+        }
+
+        $rateLimitKey = "room-emote:{$room->id}:{$player->id}";
+
+        abort_if(
+            RateLimiter::tooManyAttempts($rateLimitKey, 10),
+            429,
+            'Bitte warte kurz, bevor du erneut wirfst.',
+        );
+
+        RateLimiter::hit($rateLimitKey, 10);
+
+        PaperBallThrown::dispatch(
+            Str::uuid()->toString(),
+            $room->id,
+            $player->id,
+            $targetPlayerId,
+        );
+
+        return response()->noContent();
+    }
+}