fix issues

core/identity/domain/services/RatingEventFactory.ts

@@ -596,8 +596,12 @@ export class RatingEventFactory {
     startPosition: number,
     fieldStrength: number
   ): number {
+    // Handle edge cases where data might be inconsistent
+    // If totalDrivers is less than position, use position as totalDrivers for calculation
+    const effectiveTotalDrivers = Math.max(totalDrivers, position);
+    
     // Base score from position (reverse percentile)
-    const positionScore = ((totalDrivers - position + 1) / totalDrivers) * 100;
+    const positionScore = ((effectiveTotalDrivers - position + 1) / effectiveTotalDrivers) * 100;
 
     // Bonus for positions gained
     const positionsGained = startPosition - position;