Forgot to register the OPTIONS method :3

src/V1/V1EmotesRoutes.php

@@ -1,7 +1,7 @@
 <?php
 namespace Syokuhou\V1;
 
-use Index\Http\Routing\{HttpGet,RouteHandler,RouteHandlerTrait};
+use Index\Http\Routing\{HttpGet,HttpOptions,RouteHandler,RouteHandlerTrait};
 use RPCii\Client\RpcClient;
 
 class V1EmotesRoutes implements RouteHandler {
@@ -11,6 +11,7 @@ class V1EmotesRoutes implements RouteHandler {
         private RpcClient $rpc
     ) {}
 
+    #[HttpOptions('/')]
     #[HttpGet('/')]
     public function getEmotes($response, $request) {
         $response->setHeader('Access-Control-Allow-Origin', '*');