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/Settlement/AdminSettlementBatchDetailsController.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1\Admin\Settlement;
+
+use App\Http\Controllers\Controller;
+use App\Models\SettlementBatch;
+use App\Models\TicketSettlementDetail;
+use App\Support\ApiResponse;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+/**
+ * GET /api/v1/admin/settlement-batches/{batch}/details — 该批次下注单结算明细分页。
+ */
+final class AdminSettlementBatchDetailsController extends Controller
+{
+    public function __invoke(Request $request, SettlementBatch $batch): JsonResponse
+    {
+        $perPage = min(max((int) $request->integer('per_page', 25), 1), 100);
+        $page = max((int) $request->integer('page', 1), 1);
+
+        $paginator = TicketSettlementDetail::query()
+            ->where('settlement_batch_id', $batch->id)
+            ->with([
+                'ticketItem:id,ticket_no,play_code,player_id',
+                'ticketItem.player:id,username,site_player_id',
+            ])
+            ->orderBy('id')
+            ->paginate($perPage, ['*'], 'page', $page);
+
+        return ApiResponse::success([
+            'batch_id' => (int) $batch->id,
+            'items' => collect($paginator->items())->map(function ($row) {
+                /** @var TicketSettlementDetail $row */
+                $item = $row->ticketItem;
+                $player = $item?->player;
+
+                return [
+                    'id' => (int) $row->id,
+                    'ticket_item_id' => (int) $row->ticket_item_id,
+                    'ticket_no' => $item?->ticket_no,
+                    'play_code' => $item?->play_code,
+                    'player_id' => $item?->player_id,
+                    'player_username' => $player?->username,
+                    'site_player_id' => $player?->site_player_id,
+                    'matched_prize_tier' => $row->matched_prize_tier,
+                    'win_amount' => (int) $row->win_amount,
+                    'jackpot_allocation_amount' => (int) $row->jackpot_allocation_amount,
+                    'match_detail_json' => $row->match_detail_json,
+                    'created_at' => $row->created_at?->toIso8601String(),
+                ];
+            })->all(),
+            'meta' => [
+                'current_page' => $paginator->currentPage(),
+                'per_page' => $paginator->perPage(),
+                'total' => $paginator->total(),
+                'last_page' => $paginator->lastPage(),
+            ],
+        ]);
+    }
+}