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/Http/Controllers/Api/V1/Admin/Player/AdminPlayerStoreController.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1\Admin\Player;
+
+use App\Models\Player;
+use App\Lottery\ErrorCode;
+use App\Support\ApiResponse;
+use Illuminate\Http\JsonResponse;
+use App\Http\Controllers\Controller;
+use App\Support\PlayerApiPresenter;
+use App\Http\Requests\Admin\AdminPlayerStoreRequest;
+
+/** POST /api/v1/admin/players */
+final class AdminPlayerStoreController extends Controller
+{
+    public function __invoke(AdminPlayerStoreRequest $request): JsonResponse
+    {
+        $exists = Player::query()
+            ->where('site_code', $request->validated('site_code'))
+            ->where('site_player_id', $request->validated('site_player_id'))
+            ->exists();
+
+        if ($exists) {
+            return ApiResponse::error(
+                '该主站玩家已在彩票平台注册',
+                ErrorCode::ValidationFailed->value,
+                null,
+                422,
+            );
+        }
+
+        $player = Player::query()->create([
+            'site_code' => $request->validated('site_code'),
+            'site_player_id' => $request->validated('site_player_id'),
+            'username' => $request->validated('username'),
+            'nickname' => $request->validated('nickname'),
+            'default_currency' => $request->validated('default_currency', 'NPR'),
+            'status' => $request->validated('status', 0),
+        ]);
+
+        return ApiResponse::success(PlayerApiPresenter::listItem($player), 201);
+    }
+}