feat: 增强奖池与钱包服务的多币种支持能力

更新 JackpotManualBurstService：在解析头奖中奖者时支持币种代码处理。
重构 SettlementBatchWorkflowService：按币种聚合玩家派奖金额，确保各币种结算准确入账。
修改 SettlementOrchestrator：按币种分别处理奖池爆奖流程，提升派奖准确性。
优化 TicketWalletService：在派奖幂等键中加入币种信息，避免多币种场景下的重复处理问题。
新增测试用例，验证多币种派奖场景及待处理交易的正确处理逻辑。

app/Services/Settlement/SettlementOrchestrator.php

@@ -125,28 +125,41 @@ final class SettlementOrchestrator
                 ];
             }
 
-            $currency = strtoupper((string) ($ticketItems->first()?->order?->currency_code ?? 'NPR'));
-            $pool = JackpotPool::query()
-                ->where('currency_code', $currency)
-                ->where('status', 1)
-                ->lockForUpdate()
-                ->first();
-
             $allocations = [];
             $totalJackpotPayout = 0;
-            $jackpotTrigger = null;
-            $jackpotPoolAfter = null;
-            if ($pool !== null) {
-                $burstInput = collect($prepared)->map(fn (array $p): array => [
+            $jackpotBursts = [];
+            $preparedByCurrency = collect($prepared)->groupBy(
+                fn (array $p): string => strtoupper((string) ($p['item']->order?->currency_code ?? 'NPR')),
+            );
+            foreach ($preparedByCurrency as $currency => $currencyPrepared) {
+                $pool = JackpotPool::query()
+                    ->where('currency_code', $currency)
+                    ->where('status', 1)
+                    ->lockForUpdate()
+                    ->first();
+                if ($pool === null) {
+                    continue;
+                }
+
+                $burstInput = collect($currencyPrepared)->map(fn (array $p): array => [
                     'item' => $p['item'],
                     'matched_tier' => $p['matched_tier'],
                     'gross_win' => $p['gross_win'],
                 ]);
                 $burstOut = $this->jackpotBurst->allocate($locked, $pool, $burstInput);
-                $allocations = $burstOut['allocations'];
-                $totalJackpotPayout = (int) $burstOut['pool_payout'];
-                $jackpotTrigger = $burstOut['trigger'];
-                $jackpotPoolAfter = (int) $pool->fresh()->current_amount;
+                $allocations = array_replace($allocations, $burstOut['allocations']);
+                $currencyPayout = (int) $burstOut['pool_payout'];
+                $totalJackpotPayout += $currencyPayout;
+
+                if ($currencyPayout > 0 && is_string($burstOut['trigger'])) {
+                    $jackpotBursts[] = [
+                        'currency' => $currency,
+                        'payout' => $currencyPayout,
+                        'trigger' => $burstOut['trigger'],
+                        'pool_after' => (int) $pool->fresh()->current_amount,
+                        'winner_count' => count($burstOut['allocations']),
+                    ];
+                }
             }
 
             $ticketCount = 0;
@@ -206,16 +219,16 @@ final class SettlementOrchestrator
                 'settle_version' => $nextSettleVersion,
             ])->save();
 
-            if ($pool !== null && $totalJackpotPayout > 0 && is_string($jackpotTrigger)) {
+            foreach ($jackpotBursts as $burst) {
                 $this->hallRealtime->notifyJackpotBurst(
                     (int) $locked->id,
                     (string) $locked->draw_no,
                     $board->firstPrizeNumber4d(),
-                    $currency,
-                    $totalJackpotPayout,
-                    count($allocations),
-                    $jackpotTrigger,
-                    (int) $jackpotPoolAfter,
+                    (string) $burst['currency'],
+                    (int) $burst['payout'],
+                    (int) $burst['winner_count'],
+                    (string) $burst['trigger'],
+                    (int) $burst['pool_after'],
                 );
                 $this->hallRealtime->notifyStatusChange($this->hallSnapshot->build());
             }