feat: 添加 JWT 支持与开发环境配置，更新 API 路由与中间件

app/Models/PlayerWallet.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * 彩票侧余额（表 player_wallets），按 player + wallet_type + currency 唯一。
+ */
+class PlayerWallet extends Model
+{
+    protected $fillable = [
+        'player_id',
+        'wallet_type',
+        'currency_code',
+        'balance',
+        'frozen_balance',
+        'status',
+        'version',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'balance' => 'integer',
+            'frozen_balance' => 'integer',
+            'version' => 'integer',
+        ];
+    }
+
+    public function player(): BelongsTo
+    {
+        return $this->belongsTo(Player::class);
+    }
+}