1.修复抽奖档位不统一的问题

server/app/api/logic/PlayStartLogic.php

@@ -187,9 +187,9 @@ class PlayStartLogic
         $rollNumber = (int) ($chosen['grid_number'] ?? 0);
         $realEv = (float) ($chosen['real_ev'] ?? 0);
         // T5/再来一次：以奖励行 tier 为准，并以摇奖档位 $tier 兜底（与 reward_tier 展示一致，避免 dice_reward 行缺 tier 时不发券）
-        $isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
-        if ($isTierT5 === false && (string) ($tier ?? '') === 'T5') {
-            $isTierT5 = true;
+        $isTierPlayAgain = (string) ($chosen['tier'] ?? '') === 'T5';
+        if ($isTierPlayAgain === false && (string) ($tier ?? '') === 'T5') {
+            $isTierPlayAgain = true;
         }
         // 摇色子中奖：按 dice_reward_config.real_ev 直接结算（已乘 ante）
         $rewardWinCoin = round($realEv * $ante, 2);
@@ -230,7 +230,7 @@ class PlayStartLogic
                     // 中 BIGWIN 豹子：不走原奖励流程，不记录原奖励，不触发 T5 再来一次，仅发放豹子奖金
                     $rewardWinCoin = 0.0;
                     $realEv = 0.0;
-                    $isTierT5 = false;
+                    $isTierPlayAgain = false;
                 } else {
                     $rollArray = $this->generateNonSuperWinRollArrayWithSum($rollNumber);
                 }
@@ -276,7 +276,7 @@ class PlayStartLogic
                 $startIndex,
                 $targetIndex,
                 $rollArray,
-                $isTierT5,
+                $isTierPlayAgain,
                 $tier,
                 &$record,
                 &$settledWinCoin
@@ -372,7 +372,7 @@ class PlayStartLogic
                 // 若本局中奖档位为 T5，则额外赠送 1 次免费抽奖次数：
                 // - 新结构：写入 free_ticket（ante=本局注数，count+1）
                 // - 兼容旧结构：free_ticket_count +1
-                if ($isTierT5) {
+                if ($isTierPlayAgain) {
                     $ft = $p->free_ticket ?? null;
                     $ftAnte = null;
                     $ftCount = 0;
@@ -654,6 +654,7 @@ class PlayStartLogic
      */
     public function simulateOnePlay($config, int $direction, int $lotteryType = 0, int $ante = 1, ?array $customTierWeights = null, ?int $configDeptId = null): array
     {
+        $useKillMode = false;
         $rewardInstance = DiceReward::getCachedInstance($configDeptId);
         $byTierDirection = $rewardInstance['by_tier_direction'] ?? [];
         $maxTierRetry = 10;