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/Http/Controllers/Api/V1/Admin/Jackpot/AdminJackpotPoolIndexController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1\Admin\Jackpot;
+
+use App\Http\Controllers\Controller;
+use App\Models\JackpotPool;
+use App\Support\ApiResponse;
+use Illuminate\Http\JsonResponse;
+
+/**
+ * GET /api/v1/admin/jackpot/pools — Jackpot 奖池配置列表。
+ */
+final class AdminJackpotPoolIndexController extends Controller
+{
+    public function __invoke(): JsonResponse
+    {
+        $rows = JackpotPool::query()->orderBy('currency_code')->get();
+
+        return ApiResponse::success([
+            'items' => $rows->map(fn (JackpotPool $p) => $this->row($p))->values()->all(),
+        ]);
+    }
+
+    /** @return array<string, mixed> */
+    private function row(JackpotPool $p): array
+    {
+        return [
+            'id' => (int) $p->id,
+            'currency_code' => $p->currency_code,
+            'current_amount' => (int) $p->current_amount,
+            'contribution_rate' => (string) $p->contribution_rate,
+            'trigger_threshold' => (int) $p->trigger_threshold,
+            'payout_rate' => (string) $p->payout_rate,
+            'force_trigger_draw_gap' => (int) $p->force_trigger_draw_gap,
+            'min_bet_amount' => (int) $p->min_bet_amount,
+            'status' => (int) $p->status,
+            'last_trigger_draw_id' => $p->last_trigger_draw_id !== null ? (int) $p->last_trigger_draw_id : null,
+            'updated_at' => $p->updated_at?->toIso8601String(),
+        ];
+    }
+}