fix issues in core

core/racing/domain/entities/JoinRequest.ts

@@ -39,12 +39,13 @@ export class JoinRequest implements IEntity<string> {
     const id = props.id && props.id.trim().length > 0 ? props.id : `${props.leagueId}:${props.driverId}`;
     const requestedAt = props.requestedAt ?? new Date();
 
+    const message = props.message;
     return new JoinRequest({
       id,
       leagueId: props.leagueId,
       driverId: props.driverId,
       requestedAt,
-      message: props.message,
+      ...(message !== undefined && { message }),
     });
   }
 

core/racing/domain/entities/LeagueMembership.ts

@@ -11,6 +11,7 @@ import { MembershipRole, MembershipRoleValue } from './MembershipRole';
 import { MembershipStatus, MembershipStatusValue } from './MembershipStatus';
 import { JoinedAt } from '../value-objects/JoinedAt';
 import { DriverId } from './DriverId';
+import { JoinRequest } from './JoinRequest';
 
 export interface LeagueMembershipProps {
   id?: string;
@@ -82,4 +83,6 @@ export class LeagueMembership implements IEntity<string> {
       throw new RacingDomainValidationError('Membership role is required');
     }
   }
-}
+}
+
+export { MembershipRole, MembershipStatus, JoinRequest };

core/racing/domain/entities/Protest.ts

@@ -94,23 +94,26 @@ export class Protest implements IEntity<string> {
     const defenseRequestedAt = props.defenseRequestedAt ? DefenseRequestedAt.create(props.defenseRequestedAt) : undefined;
     const defenseRequestedBy = props.defenseRequestedBy ? StewardId.create(props.defenseRequestedBy) : undefined;
 
-    return new Protest({
+    const protestProps: ProtestProps = {
       id,
       raceId,
       protestingDriverId,
       accusedDriverId,
       incident,
-      comment,
-      proofVideoUrl,
       status,
-      reviewedBy,
-      decisionNotes,
       filedAt,
-      reviewedAt,
-      defense,
-      defenseRequestedAt,
-      defenseRequestedBy,
-    });
+    };
+    
+    if (comment !== undefined) protestProps.comment = comment;
+    if (proofVideoUrl !== undefined) protestProps.proofVideoUrl = proofVideoUrl;
+    if (reviewedBy !== undefined) protestProps.reviewedBy = reviewedBy;
+    if (decisionNotes !== undefined) protestProps.decisionNotes = decisionNotes;
+    if (reviewedAt !== undefined) protestProps.reviewedAt = reviewedAt;
+    if (defense !== undefined) protestProps.defense = defense;
+    if (defenseRequestedAt !== undefined) protestProps.defenseRequestedAt = defenseRequestedAt;
+    if (defenseRequestedBy !== undefined) protestProps.defenseRequestedBy = defenseRequestedBy;
+    
+    return new Protest(protestProps);
   }
 
   get id(): string { return this.props.id.toString(); }

core/racing/domain/entities/SponsorshipRequest.ts

@@ -9,7 +9,7 @@ import { RacingDomainValidationError, RacingDomainInvariantError } from '../erro
 import type { IEntity } from '@core/shared/domain';
 
 import type { Money } from '../value-objects/Money';
-import type { SponsorshipTier } from './SeasonSponsorship';
+import type { SponsorshipTier } from './season/SeasonSponsorship';
 
 export type SponsorableEntityType = 'driver' | 'team' | 'race' | 'season';
 export type SponsorshipRequestStatus = 'pending' | 'accepted' | 'rejected' | 'withdrawn';

core/racing/domain/entities/result/index.ts

@@ -0,0 +1 @@
+export * from './Result';

core/racing/domain/entities/season/index.ts

@@ -0,0 +1,3 @@
+export * from './Season';
+export * from './SeasonId';
+export * from './SeasonSponsorship';

core/racing/domain/entities/sponsor/Sponsor.ts

@@ -30,8 +30,8 @@ export class Sponsor implements IEntity<SponsorId> {
     this.id = props.id;
     this.name = props.name;
     this.contactEmail = props.contactEmail;
-    this.logoUrl = props.logoUrl;
-    this.websiteUrl = props.websiteUrl;
+    this.logoUrl = props.logoUrl ?? undefined;
+    this.websiteUrl = props.websiteUrl ?? undefined;
     this.createdAt = props.createdAt;
   }