feat: 添加结算功能，更新 TicketItem 模型以支持最新结算详情，增强 DrawTickService 以自动处理结算，更新 TicketWalletService 以支持派彩入账，扩展 API 路由以管理结算批次和奖池

app/Models/JackpotPayoutLog.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/** Jackpot 爆池派发记录 {@see jackpot_payout_logs} */
+class JackpotPayoutLog extends Model
+{
+    public const UPDATED_AT = null;
+
+    protected $fillable = [
+        'draw_id',
+        'jackpot_pool_id',
+        'trigger_type',
+        'total_payout_amount',
+        'winner_count',
+        'trigger_snapshot_json',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'draw_id' => 'integer',
+            'jackpot_pool_id' => 'integer',
+            'total_payout_amount' => 'integer',
+            'winner_count' => 'integer',
+            'trigger_snapshot_json' => 'json',
+        ];
+    }
+
+    public function draw(): BelongsTo
+    {
+        return $this->belongsTo(Draw::class);
+    }
+
+    public function pool(): BelongsTo
+    {
+        return $this->belongsTo(JackpotPool::class, 'jackpot_pool_id');
+    }
+}