Add baccarat loss cover activity

app/Http/Controllers/BaccaratController.php

@@ -19,6 +19,7 @@ use App\Enums\CurrencySource;
 use App\Models\BaccaratBet;
 use App\Models\BaccaratRound;
 use App\Models\GameConfig;
+use App\Services\BaccaratLossCoverService;
 use App\Services\UserCurrencyService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
@@ -28,6 +29,7 @@ class BaccaratController extends Controller
 {
     public function __construct(
         private readonly UserCurrencyService $currency,
+        private readonly BaccaratLossCoverService $lossCoverService,
     ) {}
 
     /**
@@ -107,8 +109,9 @@ class BaccaratController extends Controller
         }
 
         $currency = $this->currency;
+        $lossCoverService = $this->lossCoverService;
 
-        return DB::transaction(function () use ($user, $round, $data, $currency): JsonResponse {
+        return DB::transaction(function () use ($user, $round, $data, $currency, $lossCoverService): JsonResponse {
             // 幂等：同一局只能下一注
             $existing = BaccaratBet::query()
                 ->where('round_id', $round->id)
@@ -131,15 +134,22 @@ class BaccaratController extends Controller
                 },
             );
 
+            // 下注时间命中活动窗口时，将本次下注挂到对应的买单活动下。
+            $lossCoverEvent = $lossCoverService->findEventForBetTime(now());
+
             // 写入下注记录
-            BaccaratBet::create([
+            $bet = BaccaratBet::create([
                 'round_id' => $round->id,
                 'user_id' => $user->id,
+                'loss_cover_event_id' => $lossCoverEvent?->id,
                 'bet_type' => $data['bet_type'],
                 'amount' => $data['amount'],
                 'status' => 'pending',
             ]);
 
+            // 命中活动的下注要同步累计到用户活动记录中，便于后续前台查看。
+            $lossCoverService->registerBet($bet);
+
             // 更新局次汇总统计
             $field = 'total_bet_'.$data['bet_type'];
             $countField = 'bet_count_'.$data['bet_type'];