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/Requests/Admin/AdminPlayerIndexRequest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Http\Requests\Admin;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+/**
+ * 玩家列表查询请求。
+ *
+ * @see AdminPlayerIndexController
+ */
+final class AdminPlayerIndexRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'keyword' => ['sometimes', 'string', 'max:128'],
+            'status' => ['sometimes', 'integer', 'in:0,1,2'],
+        ];
+    }
+}

app/Http/Requests/Admin/AdminPlayerStoreRequest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Requests\Admin;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+/**
+ * 玩家创建请求。
+ *
+ * @see AdminPlayerStoreController
+ */
+final class AdminPlayerStoreRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'site_code' => ['required', 'string', 'max:64'],
+            'site_player_id' => ['required', 'string', 'max:128'],
+            'username' => ['nullable', 'string', 'max:128'],
+            'nickname' => ['nullable', 'string', 'max:128'],
+            'default_currency' => ['sometimes', 'string', 'max:16'],
+            'status' => ['sometimes', 'integer', 'in:0,1,2'],
+        ];
+    }
+}

app/Http/Requests/Admin/AdminPlayerUpdateRequest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests\Admin;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+/**
+ * 玩家更新请求。
+ *
+ * @see AdminPlayerUpdateController
+ */
+final class AdminPlayerUpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'username' => ['sometimes', 'string', 'max:128'],
+            'nickname' => ['sometimes', 'nullable', 'string', 'max:128'],
+            'status' => ['sometimes', 'integer', Rule::in([0, 1, 2])],
+        ];
+    }
+}

app/Http/Requests/Admin/Wallet/TransferOrderManuallyProcessRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Requests\Admin\Wallet;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+final class TransferOrderManuallyProcessRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'remark' => ['sometimes', 'nullable', 'string', 'max:255'],
+        ];
+    }
+}

app/Http/Requests/Admin/Wallet/TransferOrderReverseRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Requests\Admin\Wallet;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+final class TransferOrderReverseRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'remark' => ['sometimes', 'nullable', 'string', 'max:255'],
+        ];
+    }
+}