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/AdminJackpotContributionIndexController.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1\Admin\Jackpot;
+
+use App\Http\Controllers\Controller;
+use App\Models\JackpotContribution;
+use App\Support\ApiResponse;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+/**
+ * GET /api/v1/admin/jackpot/contributions — Jackpot 蓄水流水。
+ */
+final class AdminJackpotContributionIndexController extends Controller
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $perPage = min(max((int) $request->integer('per_page', 25), 1), 100);
+        $page = max((int) $request->integer('page', 1), 1);
+        $drawNo = trim((string) $request->query('draw_no', ''));
+
+        $q = JackpotContribution::query()
+            ->with(['draw:id,draw_no', 'pool:id,currency_code', 'player:id,username,site_player_id', 'ticketItem:id,ticket_no'])
+            ->orderByDesc('id');
+
+        if ($drawNo !== '') {
+            $q->whereHas('draw', fn ($d) => $d->where('draw_no', 'like', '%'.$drawNo.'%'));
+        }
+
+        $paginator = $q->paginate($perPage, ['*'], 'page', $page);
+
+        return ApiResponse::success([
+            'items' => collect($paginator->items())->map(fn (JackpotContribution $r) => [
+                'id' => (int) $r->id,
+                'draw_id' => (int) $r->draw_id,
+                'draw_no' => $r->draw?->draw_no,
+                'jackpot_pool_id' => (int) $r->jackpot_pool_id,
+                'currency_code' => $r->pool?->currency_code,
+                'player_id' => (int) $r->player_id,
+                'player_username' => $r->player?->username,
+                'ticket_item_id' => $r->ticket_item_id !== null ? (int) $r->ticket_item_id : null,
+                'ticket_no' => $r->ticketItem?->ticket_no,
+                'contribution_amount' => (int) $r->contribution_amount,
+                'created_at' => $r->created_at?->toIso8601String(),
+            ])->all(),
+            'meta' => [
+                'current_page' => $paginator->currentPage(),
+                'per_page' => $paginator->perPage(),
+                'total' => $paginator->total(),
+                'last_page' => $paginator->lastPage(),
+            ],
+        ]);
+    }
+}