feat: 添加新的错误码以支持配置版本管理，更新彩票配置以启用手动审核，增强 API 路由以支持玩法和赔率版本化管理

app/Models/PlayConfigItem.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/** {@see play_config_items} — 与 {@see PlayType::play_code} 对齐。 */
+class PlayConfigItem extends Model
+{
+    protected $fillable = [
+        'version_id',
+        'play_code',
+        'is_enabled',
+        'min_bet_amount',
+        'max_bet_amount',
+        'display_order',
+        'rule_text_zh',
+        'rule_text_en',
+        'rule_text_ne',
+        'extra_config_json',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'version_id' => 'integer',
+            'is_enabled' => 'boolean',
+            'min_bet_amount' => 'integer',
+            'max_bet_amount' => 'integer',
+            'display_order' => 'integer',
+            'extra_config_json' => 'json',
+        ];
+    }
+
+    /** @return BelongsTo<PlayConfigVersion, PlayConfigItem> */
+    public function version(): BelongsTo
+    {
+        return $this->belongsTo(PlayConfigVersion::class, 'version_id');
+    }
+
+    /** @return BelongsTo<PlayType, PlayConfigItem> */
+    public function playType(): BelongsTo
+    {
+        return $this->belongsTo(PlayType::class, 'play_code', 'play_code');
+    }
+}