feat: 为赔率项增加 dimension 字段并支持按维度配置佣金，调整后台配置导航权限

app/Services/Ticket/PlayRuleEngine.php

@@ -48,9 +48,11 @@ final class PlayRuleEngine
 
         $unitBetAmount = $this->resolveUnitBetAmount($playCode, $amount, $combinationCount);
         $totalBetAmount = $this->resolveTotalBetAmount($playCode, $amount, $unitBetAmount, $combinationCount);
+        $dimensionInt = $this->toDimensionInt(is_string($dimension) ? $dimension : null, $playConfig);
         $primaryOdds = $this->pickPrimaryOdds($oddsItems);
         $rebateRate = (float) $primaryOdds->rebate_rate;
-        $commissionRate = (float) $primaryOdds->commission_rate;
+        // 佣金按维度（2D/3D/4D）配置：从 odds_items 中查找匹配维度的佣金率
+        $commissionRate = $this->pickCommissionByDimension($oddsItems, $dimensionInt);
         $actualDeductAmount = max(0, (int) floor($totalBetAmount * (1 - $rebateRate)));
         $maxOdds = $oddsItems->max(fn (OddsItem $row) => (int) $row->odds_value) ?? 0;
         $estimatedPayoutPerCombo = (int) floor($unitBetAmount * ($maxOdds / 10000));
@@ -302,6 +304,28 @@ final class PlayRuleEngine
         return $oddsItems->firstOrFail();
     }
 
+    /**
+     * 按维度（2D/3D/4D）获取佣金率
+     * 
+     * @param  Collection<int, OddsItem>  $oddsItems
+     */
+    private function pickCommissionByDimension(Collection $oddsItems, ?int $dimension): float
+    {
+        if ($dimension === null) {
+            // 如果维度为空，返回第一个 odds item 的佣金率（向后兼容）
+            return (float) ($oddsItems->first()?->commission_rate ?? 0);
+        }
+
+        // 查找匹配维度的 odds item
+        $dimensionItem = $oddsItems->firstWhere('dimension', $dimension);
+        if ($dimensionItem !== null) {
+            return (float) $dimensionItem->commission_rate;
+        }
+
+        // 如果没有找到匹配维度的，返回第一个的佣金率（向后兼容）
+        return (float) ($oddsItems->first()?->commission_rate ?? 0);
+    }
+
     private function toDimensionInt(?string $dimension, PlayConfigItem $playConfig): ?int
     {
         return match ($dimension) {