1.优化websocket接口，新增赔率参数

app/common/library/game/StreakWinReward.php

@@ -107,22 +107,23 @@ final class StreakWinReward
     }
 
     /**
-     * lobbyInit 用：连胜赔率档位（与后台「连胜奖励」、派彩公式一致）。
+     * 当前玩家本局适用赔率（非全表）：按 current_streak 解析下一注中奖将使用的档位。
      *
-     * @return array{rows: list<array{streak: int, odds_factor: int, is_jackpot: bool}>}
+     * @return array{current_streak: int, streak_level: int, odds_factor: int, is_jackpot: bool}
      */
-    public static function lobbyPayload(): array
+    public static function playerBetOddsForCurrentStreak(int $currentStreak): array
     {
-        $rows = [];
-        foreach (self::loadRows() as $row) {
-            $rows[] = [
-                'streak' => (int) ($row['streak'] ?? 0),
-                'odds_factor' => (int) ($row['odds_factor'] ?? 0),
-                'is_jackpot' => ($row['is_jackpot'] ?? false) === true,
-            ];
+        if ($currentStreak < 0) {
+            $currentStreak = 0;
         }
+        $row = self::rowForStreakAtBet($currentStreak);
 
-        return ['rows' => $rows];
+        return [
+            'current_streak' => $currentStreak,
+            'streak_level' => self::levelFromStreakAtBet($currentStreak),
+            'odds_factor' => (int) ($row['odds_factor'] ?? 1),
+            'is_jackpot' => ($row['is_jackpot'] ?? false) === true,
+        ];
     }
 
     /**