code quality

core/rating/domain/Rating.ts

@@ -1,6 +1,6 @@
 /**
  * Rating Entity
- * 
+ *
  * Represents a driver's rating calculated after a race.
  */
 
@@ -16,6 +16,14 @@ export interface RatingProps {
   timestamp: Date;
 }
 
+export interface RatingJSON {
+  driverId: string;
+  raceId: string;
+  rating: number;
+  components: RatingComponents;
+  timestamp: string;
+}
+
 export class Rating {
   private constructor(private readonly props: RatingProps) {}
 
@@ -43,7 +51,7 @@ export class Rating {
     return this.props.timestamp;
   }
 
-  toJSON(): Record<string, any> {
+  toJSON(): RatingJSON {
     return {
       driverId: this.driverId.toString(),
       raceId: this.raceId.toString(),

core/rating/domain/events/RatingCalculatedEvent.ts

@@ -1,15 +1,22 @@
 /**
  * RatingCalculatedEvent
- * 
+ *
  * Event published when a driver's rating is calculated.
  */
 
 import { DomainEvent } from '../../../shared/ports/EventPublisher';
-import { Rating } from '../Rating';
+import { Rating, RatingJSON } from '../Rating';
+
+export interface RatingCalculatedEventJSON {
+  type: string;
+  timestamp: string;
+  rating: RatingJSON;
+}
 
 export class RatingCalculatedEvent implements DomainEvent {
   readonly type = 'RatingCalculatedEvent';
   readonly timestamp: Date;
+  [key: string]: unknown;
 
   constructor(private readonly rating: Rating) {
     this.timestamp = new Date();
@@ -19,7 +26,7 @@ export class RatingCalculatedEvent implements DomainEvent {
     return this.rating;
   }
 
-  toJSON(): Record<string, any> {
+  toJSON(): RatingCalculatedEventJSON {
     return {
       type: this.type,
       timestamp: this.timestamp.toISOString(),