feat: 切换 schema dump 基线并增强返点结算与管理校验

database/migrations/2026_05_08_100000_create_currencies_table.php

@@ -1,26 +0,0 @@
-<?php
-
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Database\Migrations\Migration;
-
-return new class extends Migration
-{
-    public function up(): void
-    {
-        Schema::create('currencies', function (Blueprint $table) {
-            $table->id();
-            $table->string('code', 16)->unique();
-            $table->string('name', 64);
-            $table->unsignedTinyInteger('decimal_places')->default(2);
-            $table->boolean('is_enabled')->default(true);
-            $table->boolean('is_bettable')->default(false);
-            $table->timestamps();
-        });
-    }
-
-    public function down(): void
-    {
-        Schema::dropIfExists('currencies');
-    }
-};