refactor：拆分 API 路由与请求校验，统一 final 类和代码风格

tests/Feature/SettlementMatcherRegistryCompletenessTest.php

@@ -1,10 +1,10 @@
 <?php
 
 use App\Models\PlayType;
-use App\Services\Settlement\Matchers\NoopSettlementMatcher;
-use App\Services\Settlement\SettlementMatcherRegistry;
 use Database\Seeders\PlayTypeSeeder;
 use Illuminate\Foundation\Testing\RefreshDatabase;
+use App\Services\Settlement\SettlementMatcherRegistry;
+use App\Services\Settlement\Matchers\NoopSettlementMatcher;
 
 uses(RefreshDatabase::class);