feat: 新增玩家管理与转账对账相关功能

1.  新增完整的后台玩家管理CRUD接口，包括列表、创建、详情、更新、删除
2.  新增转账订单冲正和人工处理功能，支持待对账订单状态变更
3.  扩展钱包流水和转账订单的状态支持，新增reversed、manually_processed等状态
4.  新增玩家API数据统一输出类，标准化玩家信息返回格式

app/Support/PlayerApiPresenter.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Support;
+
+use App\Models\Player;
+use App\Models\PlayerWallet;
+
+/** 玩家 API 统一 JSON 形状（列表行 / 详情）。 */
+final class PlayerApiPresenter
+{
+    /** @return array<string, mixed> */
+    public static function listItem(Player $player): array
+    {
+        $wallets = $player->relationLoaded('wallets')
+            ? $player->wallets
+            : $player->wallets()->get();
+
+        $walletRows = $wallets->map(static fn (PlayerWallet $w): array => [
+            'wallet_type' => $w->wallet_type,
+            'currency_code' => $w->currency_code,
+            'balance' => (int) $w->balance,
+            'frozen_balance' => (int) $w->frozen_balance,
+            'available_balance' => max(0, (int) $w->balance - (int) $w->frozen_balance),
+            'status' => (int) $w->status,
+        ])->values()->all();
+
+        return [
+            'id' => (int) $player->id,
+            'site_code' => $player->site_code,
+            'site_player_id' => $player->site_player_id,
+            'username' => $player->username,
+            'nickname' => $player->nickname,
+            'default_currency' => $player->default_currency,
+            'status' => (int) $player->status,
+            'last_login_at' => $player->last_login_at?->toIso8601String(),
+            'created_at' => $player->created_at?->toIso8601String(),
+            'wallets' => $walletRows,
+        ];
+    }
+}