rename to core

core/identity/domain/entities/Achievement.ts

@@ -0,0 +1,392 @@
+/**
+ * Domain Entity: Achievement
+ *
+ * Represents an achievement that can be earned by users.
+ * Achievements are categorized by role (driver, steward, admin) and type.
+ */
+
+import type { IEntity } from '@gridpilot/shared/domain';
+
+export type AchievementCategory = 'driver' | 'steward' | 'admin' | 'community';
+
+export type AchievementRarity = 'common' | 'uncommon' | 'rare' | 'epic' | 'legendary';
+
+export interface AchievementProps {
+  id: string;
+  name: string;
+  description: string;
+  category: AchievementCategory;
+  rarity: AchievementRarity;
+  iconUrl?: string;
+  points: number;
+  requirements: AchievementRequirement[];
+  isSecret: boolean;
+  createdAt: Date;
+}
+
+export interface AchievementRequirement {
+  type: 'races_completed' | 'wins' | 'podiums' | 'clean_races' | 'protests_handled' | 
+        'leagues_managed' | 'seasons_completed' | 'consecutive_clean' | 'rating_threshold' |
+        'trust_threshold' | 'events_stewarded' | 'members_managed' | 'championships_won';
+  value: number;
+  operator: '>=' | '>' | '=' | '<' | '<=';
+}
+
+export class Achievement implements IEntity<string> {
+  readonly id: string;
+  readonly name: string;
+  readonly description: string;
+  readonly category: AchievementCategory;
+  readonly rarity: AchievementRarity;
+  readonly iconUrl: string;
+  readonly points: number;
+  readonly requirements: AchievementRequirement[];
+  readonly isSecret: boolean;
+  readonly createdAt: Date;
+
+  private constructor(props: AchievementProps) {
+    this.id = props.id;
+    this.name = props.name;
+    this.description = props.description;
+    this.category = props.category;
+    this.rarity = props.rarity;
+    this.iconUrl = props.iconUrl ?? '';
+    this.points = props.points;
+    this.requirements = props.requirements;
+    this.isSecret = props.isSecret;
+    this.createdAt = props.createdAt;
+  }
+
+  static create(props: Omit<AchievementProps, 'createdAt'> & { createdAt?: Date }): Achievement {
+    if (!props.id || props.id.trim().length === 0) {
+      throw new Error('Achievement ID is required');
+    }
+
+    if (!props.name || props.name.trim().length === 0) {
+      throw new Error('Achievement name is required');
+    }
+
+    if (props.requirements.length === 0) {
+      throw new Error('Achievement must have at least one requirement');
+    }
+
+    return new Achievement({
+      ...props,
+      createdAt: props.createdAt ?? new Date(),
+    });
+  }
+
+  /**
+   * Check if user stats meet all requirements
+   */
+  checkRequirements(stats: Record<string, number>): boolean {
+    return this.requirements.every(req => {
+      const value = stats[req.type] ?? 0;
+      switch (req.operator) {
+        case '>=': return value >= req.value;
+        case '>': return value > req.value;
+        case '=': return value === req.value;
+        case '<': return value < req.value;
+        case '<=': return value <= req.value;
+        default: return false;
+      }
+    });
+  }
+
+  /**
+   * Get rarity color for display
+   */
+  getRarityColor(): string {
+    const colors: Record<AchievementRarity, string> = {
+      common: '#9CA3AF',
+      uncommon: '#22C55E',
+      rare: '#3B82F6',
+      epic: '#A855F7',
+      legendary: '#F59E0B',
+    };
+    return colors[this.rarity];
+  }
+
+  /**
+   * Get display text for hidden achievements
+   */
+  getDisplayName(): string {
+    if (this.isSecret) {
+      return '???';
+    }
+    return this.name;
+  }
+
+  getDisplayDescription(): string {
+    if (this.isSecret) {
+      return 'This achievement is secret. Keep playing to unlock it!';
+    }
+    return this.description;
+  }
+}
+
+// Predefined achievements for drivers
+export const DRIVER_ACHIEVEMENTS: Omit<AchievementProps, 'createdAt'>[] = [
+  {
+    id: 'first-race',
+    name: 'First Steps',
+    description: 'Complete your first race',
+    category: 'driver',
+    rarity: 'common',
+    points: 10,
+    requirements: [{ type: 'races_completed', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'ten-races',
+    name: 'Getting Started',
+    description: 'Complete 10 races',
+    category: 'driver',
+    rarity: 'common',
+    points: 25,
+    requirements: [{ type: 'races_completed', value: 10, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'fifty-races',
+    name: 'Regular Racer',
+    description: 'Complete 50 races',
+    category: 'driver',
+    rarity: 'uncommon',
+    points: 50,
+    requirements: [{ type: 'races_completed', value: 50, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'hundred-races',
+    name: 'Veteran',
+    description: 'Complete 100 races',
+    category: 'driver',
+    rarity: 'rare',
+    points: 100,
+    requirements: [{ type: 'races_completed', value: 100, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'first-win',
+    name: 'Victory Lane',
+    description: 'Win your first race',
+    category: 'driver',
+    rarity: 'uncommon',
+    points: 50,
+    requirements: [{ type: 'wins', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'ten-wins',
+    name: 'Serial Winner',
+    description: 'Win 10 races',
+    category: 'driver',
+    rarity: 'rare',
+    points: 100,
+    requirements: [{ type: 'wins', value: 10, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'first-podium',
+    name: 'Podium Finisher',
+    description: 'Finish on the podium',
+    category: 'driver',
+    rarity: 'common',
+    points: 25,
+    requirements: [{ type: 'podiums', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'clean-streak-5',
+    name: 'Clean Racer',
+    description: 'Complete 5 consecutive races without incidents',
+    category: 'driver',
+    rarity: 'uncommon',
+    points: 50,
+    requirements: [{ type: 'consecutive_clean', value: 5, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'clean-streak-10',
+    name: 'Safety First',
+    description: 'Complete 10 consecutive races without incidents',
+    category: 'driver',
+    rarity: 'rare',
+    points: 100,
+    requirements: [{ type: 'consecutive_clean', value: 10, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'championship-win',
+    name: 'Champion',
+    description: 'Win a championship',
+    category: 'driver',
+    rarity: 'epic',
+    points: 200,
+    requirements: [{ type: 'championships_won', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'triple-crown',
+    name: 'Triple Crown',
+    description: 'Win 3 championships',
+    category: 'driver',
+    rarity: 'legendary',
+    points: 500,
+    requirements: [{ type: 'championships_won', value: 3, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'elite-driver',
+    name: 'Elite Driver',
+    description: 'Reach Elite driver rating',
+    category: 'driver',
+    rarity: 'epic',
+    points: 250,
+    requirements: [{ type: 'rating_threshold', value: 90, operator: '>=' }],
+    isSecret: false,
+  },
+];
+
+// Predefined achievements for stewards
+export const STEWARD_ACHIEVEMENTS: Omit<AchievementProps, 'createdAt'>[] = [
+  {
+    id: 'first-protest',
+    name: 'Justice Served',
+    description: 'Handle your first protest',
+    category: 'steward',
+    rarity: 'common',
+    points: 15,
+    requirements: [{ type: 'protests_handled', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'ten-protests',
+    name: 'Fair Judge',
+    description: 'Handle 10 protests',
+    category: 'steward',
+    rarity: 'uncommon',
+    points: 50,
+    requirements: [{ type: 'protests_handled', value: 10, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'fifty-protests',
+    name: 'Senior Steward',
+    description: 'Handle 50 protests',
+    category: 'steward',
+    rarity: 'rare',
+    points: 100,
+    requirements: [{ type: 'protests_handled', value: 50, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'hundred-protests',
+    name: 'Chief Steward',
+    description: 'Handle 100 protests',
+    category: 'steward',
+    rarity: 'epic',
+    points: 200,
+    requirements: [{ type: 'protests_handled', value: 100, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'event-steward-10',
+    name: 'Event Official',
+    description: 'Steward 10 race events',
+    category: 'steward',
+    rarity: 'uncommon',
+    points: 50,
+    requirements: [{ type: 'events_stewarded', value: 10, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'trusted-steward',
+    name: 'Trusted Steward',
+    description: 'Achieve highly-trusted status',
+    category: 'steward',
+    rarity: 'rare',
+    points: 150,
+    requirements: [{ type: 'trust_threshold', value: 75, operator: '>=' }],
+    isSecret: false,
+  },
+];
+
+// Predefined achievements for admins
+export const ADMIN_ACHIEVEMENTS: Omit<AchievementProps, 'createdAt'>[] = [
+  {
+    id: 'first-league',
+    name: 'League Founder',
+    description: 'Create your first league',
+    category: 'admin',
+    rarity: 'common',
+    points: 25,
+    requirements: [{ type: 'leagues_managed', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'first-season',
+    name: 'Season Organizer',
+    description: 'Complete your first full season',
+    category: 'admin',
+    rarity: 'uncommon',
+    points: 50,
+    requirements: [{ type: 'seasons_completed', value: 1, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'five-seasons',
+    name: 'Experienced Organizer',
+    description: 'Complete 5 seasons',
+    category: 'admin',
+    rarity: 'rare',
+    points: 100,
+    requirements: [{ type: 'seasons_completed', value: 5, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'ten-seasons',
+    name: 'Veteran Organizer',
+    description: 'Complete 10 seasons',
+    category: 'admin',
+    rarity: 'epic',
+    points: 200,
+    requirements: [{ type: 'seasons_completed', value: 10, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'large-league',
+    name: 'Community Builder',
+    description: 'Manage a league with 50+ members',
+    category: 'admin',
+    rarity: 'rare',
+    points: 150,
+    requirements: [{ type: 'members_managed', value: 50, operator: '>=' }],
+    isSecret: false,
+  },
+  {
+    id: 'huge-league',
+    name: 'Empire Builder',
+    description: 'Manage a league with 100+ members',
+    category: 'admin',
+    rarity: 'epic',
+    points: 300,
+    requirements: [{ type: 'members_managed', value: 100, operator: '>=' }],
+    isSecret: false,
+  },
+];
+
+// Community achievements (for all roles)
+export const COMMUNITY_ACHIEVEMENTS: Omit<AchievementProps, 'createdAt'>[] = [
+  {
+    id: 'community-leader',
+    name: 'Community Leader',
+    description: 'Achieve community leader trust level',
+    category: 'community',
+    rarity: 'legendary',
+    points: 500,
+    requirements: [{ type: 'trust_threshold', value: 90, operator: '>=' }],
+    isSecret: false,
+  },
+];

core/identity/domain/entities/SponsorAccount.ts

@@ -0,0 +1,151 @@
+/**
+ * Domain Entity: SponsorAccount
+ * 
+ * Represents a sponsor's login account in the identity bounded context.
+ * Separate from the racing domain's Sponsor entity which holds business data.
+ */
+
+import { UserId } from '../value-objects/UserId';
+import type { EmailValidationResult } from '../types/EmailAddress';
+import { validateEmail } from '../types/EmailAddress';
+
+export interface SponsorAccountProps {
+  id: UserId;
+  sponsorId: string; // Reference to racing domain's Sponsor entity
+  email: string;
+  passwordHash: string;
+  companyName: string;
+  isActive: boolean;
+  createdAt: Date;
+  lastLoginAt?: Date;
+}
+
+export class SponsorAccount {
+  private readonly id: UserId;
+  private readonly sponsorId: string;
+  private email: string;
+  private passwordHash: string;
+  private companyName: string;
+  private isActive: boolean;
+  private readonly createdAt: Date;
+  private lastLoginAt: Date | undefined;
+
+  private constructor(props: SponsorAccountProps) {
+    this.id = props.id;
+    this.sponsorId = props.sponsorId;
+    this.email = props.email;
+    this.passwordHash = props.passwordHash;
+    this.companyName = props.companyName;
+    this.isActive = props.isActive;
+    this.createdAt = props.createdAt ?? new Date();
+    this.lastLoginAt = props.lastLoginAt;
+  }
+
+  public static create(props: Omit<SponsorAccountProps, 'createdAt' | 'isActive'> & {
+    createdAt?: Date;
+    isActive?: boolean;
+  }): SponsorAccount {
+    if (!props.sponsorId || !props.sponsorId.trim()) {
+      throw new Error('SponsorAccount sponsorId is required');
+    }
+
+    if (!props.companyName || !props.companyName.trim()) {
+      throw new Error('SponsorAccount companyName is required');
+    }
+
+    if (!props.passwordHash || !props.passwordHash.trim()) {
+      throw new Error('SponsorAccount passwordHash is required');
+    }
+
+    const emailResult: EmailValidationResult = validateEmail(props.email);
+    if (!emailResult.success) {
+      throw new Error(emailResult.error);
+    }
+
+    return new SponsorAccount({
+      ...props,
+      email: emailResult.email,
+      createdAt: props.createdAt ?? new Date(),
+      isActive: props.isActive ?? true,
+    });
+  }
+
+  public getId(): UserId {
+    return this.id;
+  }
+
+  public getSponsorId(): string {
+    return this.sponsorId;
+  }
+
+  public getEmail(): string {
+    return this.email;
+  }
+
+  public getPasswordHash(): string {
+    return this.passwordHash;
+  }
+
+  public getCompanyName(): string {
+    return this.companyName;
+  }
+
+  public getIsActive(): boolean {
+    return this.isActive;
+  }
+
+  public getCreatedAt(): Date {
+    return this.createdAt;
+  }
+
+  public getLastLoginAt(): Date | undefined {
+    return this.lastLoginAt;
+  }
+
+  public canLogin(): boolean {
+    return this.isActive;
+  }
+
+  public recordLogin(): SponsorAccount {
+    return new SponsorAccount({
+      id: this.id,
+      sponsorId: this.sponsorId,
+      email: this.email,
+      passwordHash: this.passwordHash,
+      companyName: this.companyName,
+      isActive: this.isActive,
+      createdAt: this.createdAt,
+      lastLoginAt: new Date(),
+    });
+  }
+
+  public deactivate(): SponsorAccount {
+    return new SponsorAccount({
+      id: this.id,
+      sponsorId: this.sponsorId,
+      email: this.email,
+      passwordHash: this.passwordHash,
+      companyName: this.companyName,
+      isActive: false,
+      createdAt: this.createdAt,
+      ...(this.lastLoginAt ? { lastLoginAt: this.lastLoginAt } : {}),
+    });
+  }
+
+  public updatePassword(newPasswordHash: string): SponsorAccount {
+    if (!newPasswordHash || !newPasswordHash.trim()) {
+      throw new Error('Password hash cannot be empty');
+    }
+
+    return new SponsorAccount({
+      id: this.id,
+      sponsorId: this.sponsorId,
+      email: this.email,
+      passwordHash: newPasswordHash,
+      companyName: this.companyName,
+      isActive: this.isActive,
+      createdAt: this.createdAt,
+      ...(this.lastLoginAt ? { lastLoginAt: this.lastLoginAt } : {}),
+    });
+  }
+}

core/identity/domain/entities/User.ts

@@ -0,0 +1,73 @@
+import type { EmailValidationResult } from '../types/EmailAddress';
+import { validateEmail } from '../types/EmailAddress';
+import { UserId } from '../value-objects/UserId';
+
+export interface UserProps {
+  id: UserId;
+  displayName: string;
+  email?: string;
+  iracingCustomerId?: string;
+  primaryDriverId?: string;
+  avatarUrl?: string;
+}
+
+export class User {
+  private readonly id: UserId;
+  private displayName: string;
+  private email: string | undefined;
+  private iracingCustomerId: string | undefined;
+  private primaryDriverId: string | undefined;
+  private avatarUrl: string | undefined;
+
+  private constructor(props: UserProps) {
+    if (!props.displayName || !props.displayName.trim()) {
+      throw new Error('User displayName cannot be empty');
+    }
+
+    this.id = props.id;
+    this.displayName = props.displayName.trim();
+    this.email = props.email;
+    this.iracingCustomerId = props.iracingCustomerId;
+    this.primaryDriverId = props.primaryDriverId;
+    this.avatarUrl = props.avatarUrl;
+  }
+
+  public static create(props: UserProps): User {
+    if (props.email) {
+      const result: EmailValidationResult = validateEmail(props.email);
+      if (!result.success) {
+        throw new Error(result.error);
+      }
+      return new User({
+        ...props,
+        email: result.email,
+      });
+    }
+
+    return new User(props);
+  }
+
+  public getId(): UserId {
+    return this.id;
+  }
+
+  public getDisplayName(): string {
+    return this.displayName;
+  }
+
+  public getEmail(): string | undefined {
+    return this.email;
+  }
+
+  public getIracingCustomerId(): string | undefined {
+    return this.iracingCustomerId;
+  }
+
+  public getPrimaryDriverId(): string | undefined {
+    return this.primaryDriverId;
+  }
+
+  public getAvatarUrl(): string | undefined {
+    return this.avatarUrl;
+  }
+}

core/identity/domain/entities/UserAchievement.ts

@@ -0,0 +1,93 @@
+/**
+ * Domain Entity: UserAchievement
+ *
+ * Represents an achievement earned by a specific user.
+ */
+
+import type { IEntity } from '@gridpilot/shared/domain';
+
+export interface UserAchievementProps {
+  id: string;
+  userId: string;
+  achievementId: string;
+  earnedAt: Date;
+  notifiedAt?: Date;
+  progress?: number; // For partial progress tracking (0-100)
+}
+
+export class UserAchievement implements IEntity<string> {
+  readonly id: string;
+  readonly userId: string;
+  readonly achievementId: string;
+  readonly earnedAt: Date;
+  readonly notifiedAt: Date | undefined;
+  readonly progress: number;
+
+  private constructor(props: UserAchievementProps) {
+    this.id = props.id;
+    this.userId = props.userId;
+    this.achievementId = props.achievementId;
+    this.earnedAt = props.earnedAt;
+    this.notifiedAt = props.notifiedAt;
+    this.progress = props.progress ?? 100;
+  }
+
+  static create(props: UserAchievementProps): UserAchievement {
+    if (!props.id || props.id.trim().length === 0) {
+      throw new Error('UserAchievement ID is required');
+    }
+
+    if (!props.userId || props.userId.trim().length === 0) {
+      throw new Error('UserAchievement userId is required');
+    }
+
+    if (!props.achievementId || props.achievementId.trim().length === 0) {
+      throw new Error('UserAchievement achievementId is required');
+    }
+
+    return new UserAchievement(props);
+  }
+
+  /**
+   * Mark achievement as notified to user
+   */
+  markNotified(): UserAchievement {
+    return new UserAchievement({
+      id: this.id,
+      userId: this.userId,
+      achievementId: this.achievementId,
+      earnedAt: this.earnedAt,
+      notifiedAt: new Date(),
+      progress: this.progress,
+    });
+  }
+
+  /**
+   * Update progress towards achievement
+   */
+  updateProgress(progress: number): UserAchievement {
+    const clampedProgress = Math.max(0, Math.min(100, progress));
+    return new UserAchievement({
+      id: this.id,
+      userId: this.userId,
+      achievementId: this.achievementId,
+      earnedAt: this.earnedAt,
+      ...(this.notifiedAt ? { notifiedAt: this.notifiedAt } : {}),
+      progress: clampedProgress,
+    });
+  }
+
+  /**
+   * Check if achievement is fully earned
+   */
+  isComplete(): boolean {
+    return this.progress >= 100;
+  }
+
+  /**
+   * Check if user has been notified
+   */
+  isNotified(): boolean {
+    return this.notifiedAt !== undefined;
+  }
+}

core/identity/domain/repositories/IAchievementRepository.ts

@@ -0,0 +1,28 @@
+/**
+ * Repository Interface: IAchievementRepository
+ * 
+ * Defines operations for Achievement and UserAchievement entities
+ */
+
+import type { Achievement, AchievementCategory } from '../entities/Achievement';
+import type { UserAchievement } from '../entities/UserAchievement';
+
+export interface IAchievementRepository {
+  // Achievement operations
+  findAchievementById(id: string): Promise<Achievement | null>;
+  findAllAchievements(): Promise<Achievement[]>;
+  findAchievementsByCategory(category: AchievementCategory): Promise<Achievement[]>;
+  createAchievement(achievement: Achievement): Promise<Achievement>;
+  
+  // UserAchievement operations
+  findUserAchievementById(id: string): Promise<UserAchievement | null>;
+  findUserAchievementsByUserId(userId: string): Promise<UserAchievement[]>;
+  findUserAchievementByUserAndAchievement(userId: string, achievementId: string): Promise<UserAchievement | null>;
+  hasUserEarnedAchievement(userId: string, achievementId: string): Promise<boolean>;
+  createUserAchievement(userAchievement: UserAchievement): Promise<UserAchievement>;
+  updateUserAchievement(userAchievement: UserAchievement): Promise<UserAchievement>;
+  
+  // Stats
+  getAchievementLeaderboard(limit: number): Promise<{ userId: string; points: number; count: number }[]>;
+  getUserAchievementStats(userId: string): Promise<{ total: number; points: number; byCategory: Record<AchievementCategory, number> }>;
+}

core/identity/domain/repositories/ISponsorAccountRepository.ts

@@ -0,0 +1,16 @@
+/**
+ * Repository Interface: ISponsorAccountRepository
+ * 
+ * Defines persistence operations for SponsorAccount entities.
+ */
+
+import type { SponsorAccount } from '../entities/SponsorAccount';
+import type { UserId } from '../value-objects/UserId';
+
+export interface ISponsorAccountRepository {
+  save(account: SponsorAccount): Promise<void>;
+  findById(id: UserId): Promise<SponsorAccount | null>;
+  findBySponsorId(sponsorId: string): Promise<SponsorAccount | null>;
+  findByEmail(email: string): Promise<SponsorAccount | null>;
+  delete(id: UserId): Promise<void>;
+}

core/identity/domain/repositories/IUserRatingRepository.ts

@@ -0,0 +1,49 @@
+/**
+ * Repository Interface: IUserRatingRepository
+ * 
+ * Defines operations for UserRating value objects
+ */
+
+import type { UserRating } from '../value-objects/UserRating';
+
+export interface IUserRatingRepository {
+  /**
+   * Find rating by user ID
+   */
+  findByUserId(userId: string): Promise<UserRating | null>;
+
+  /**
+   * Find ratings by multiple user IDs
+   */
+  findByUserIds(userIds: string[]): Promise<UserRating[]>;
+
+  /**
+   * Save or update a user rating
+   */
+  save(rating: UserRating): Promise<UserRating>;
+
+  /**
+   * Get top rated drivers
+   */
+  getTopDrivers(limit: number): Promise<UserRating[]>;
+
+  /**
+   * Get top trusted users
+   */
+  getTopTrusted(limit: number): Promise<UserRating[]>;
+
+  /**
+   * Get eligible stewards (based on trust and fairness thresholds)
+   */
+  getEligibleStewards(): Promise<UserRating[]>;
+
+  /**
+   * Get ratings by driver tier
+   */
+  findByDriverTier(tier: 'rookie' | 'amateur' | 'semi-pro' | 'pro' | 'elite'): Promise<UserRating[]>;
+
+  /**
+   * Delete rating by user ID
+   */
+  delete(userId: string): Promise<void>;
+}

core/identity/domain/repositories/IUserRepository.ts

@@ -0,0 +1,50 @@
+/**
+ * Domain Repository: IUserRepository
+ * 
+ * Repository interface for User entity operations.
+ */
+
+import type { AuthenticatedUserDTO } from '../../application/dto/AuthenticatedUserDTO';
+
+export interface UserCredentials {
+  email: string;
+  passwordHash: string;
+  salt: string;
+}
+
+export interface StoredUser {
+  id: string;
+  email: string;
+  displayName: string;
+  passwordHash: string;
+  salt: string;
+  primaryDriverId?: string;
+  createdAt: Date;
+}
+
+export interface IUserRepository {
+  /**
+   * Find user by email
+   */
+  findByEmail(email: string): Promise<StoredUser | null>;
+  
+  /**
+   * Find user by ID
+   */
+  findById(id: string): Promise<StoredUser | null>;
+  
+  /**
+   * Create a new user
+   */
+  create(user: StoredUser): Promise<StoredUser>;
+  
+  /**
+   * Update user
+   */
+  update(user: StoredUser): Promise<StoredUser>;
+  
+  /**
+   * Check if email exists
+   */
+  emailExists(email: string): Promise<boolean>;
+}

core/identity/domain/services/RatingUpdateService.ts

@@ -0,0 +1,142 @@
+import type { IDomainService } from '@gridpilot/shared/domain';
+import type { IUserRatingRepository } from '../repositories/IUserRatingRepository';
+import { UserRating } from '../value-objects/UserRating';
+
+/**
+ * Domain Service: RatingUpdateService
+ *
+ * Handles updating user ratings based on various events and performance metrics.
+ * Centralizes rating calculation logic and ensures consistency across the system.
+ */
+export class RatingUpdateService implements IDomainService {
+  constructor(
+    private readonly userRatingRepository: IUserRatingRepository
+  ) {}
+
+  /**
+   * Update driver ratings after race completion
+   */
+  async updateDriverRatingsAfterRace(
+    driverResults: Array<{
+      driverId: string;
+      position: number;
+      totalDrivers: number;
+      incidents: number;
+      startPosition: number;
+    }>
+  ): Promise<void> {
+    for (const result of driverResults) {
+      await this.updateDriverRating(result);
+    }
+  }
+
+  /**
+   * Update individual driver rating based on race result
+   */
+  private async updateDriverRating(result: {
+    driverId: string;
+    position: number;
+    totalDrivers: number;
+    incidents: number;
+    startPosition: number;
+  }): Promise<void> {
+    const { driverId, position, totalDrivers, incidents, startPosition } = result;
+
+    // Get or create user rating
+    let userRating = await this.userRatingRepository.findByUserId(driverId);
+    if (!userRating) {
+      userRating = UserRating.create(driverId);
+    }
+
+    // Calculate performance score (0-100)
+    const performanceScore = this.calculatePerformanceScore(position, totalDrivers, startPosition);
+
+    // Calculate fairness score based on incidents (lower incidents = higher fairness)
+    const fairnessScore = this.calculateFairnessScore(incidents, totalDrivers);
+
+    // Update ratings
+    const updatedRating = userRating
+      .updateDriverRating(performanceScore)
+      .updateFairnessScore(fairnessScore);
+
+    // Save updated rating
+    await this.userRatingRepository.save(updatedRating);
+  }
+
+  /**
+   * Calculate performance score based on finishing position and field strength
+   */
+  private calculatePerformanceScore(
+    position: number,
+    totalDrivers: number,
+    startPosition: number
+  ): number {
+    // Base score from finishing position (reverse percentile)
+    const positionScore = ((totalDrivers - position + 1) / totalDrivers) * 100;
+
+    // Bonus for positions gained
+    const positionsGained = startPosition - position;
+    const gainBonus = Math.max(0, positionsGained * 2); // 2 points per position gained
+
+    // Field strength adjustment (harder fields give higher scores for same position)
+    const fieldStrengthMultiplier = 0.8 + (totalDrivers / 50); // Max 1.0 for 30+ drivers
+
+    const rawScore = (positionScore + gainBonus) * fieldStrengthMultiplier;
+
+    // Clamp to 0-100 range
+    return Math.max(0, Math.min(100, rawScore));
+  }
+
+  /**
+   * Calculate fairness score based on incident involvement
+   */
+  private calculateFairnessScore(incidents: number, totalDrivers: number): number {
+    // Base fairness score (100 = perfect, 0 = terrible)
+    let fairnessScore = 100;
+
+    // Deduct points for incidents
+    fairnessScore -= incidents * 15; // 15 points per incident
+
+    // Additional deduction for high incident rate relative to field
+    const incidentRate = incidents / totalDrivers;
+    if (incidentRate > 0.5) {
+      fairnessScore -= 20; // Heavy penalty for being involved in many incidents
+    }
+
+    // Clamp to 0-100 range
+    return Math.max(0, Math.min(100, fairnessScore));
+  }
+
+  /**
+   * Update trust score based on sportsmanship actions
+   */
+  async updateTrustScore(driverId: string, trustChange: number): Promise<void> {
+    let userRating = await this.userRatingRepository.findByUserId(driverId);
+    if (!userRating) {
+      userRating = UserRating.create(driverId);
+    }
+
+    // Convert trust change (-50 to +50) to 0-100 scale
+    const currentTrust = userRating.trust.value;
+    const newTrustValue = Math.max(0, Math.min(100, currentTrust + trustChange));
+
+    const updatedRating = userRating.updateTrustScore(newTrustValue);
+    await this.userRatingRepository.save(updatedRating);
+  }
+
+  /**
+   * Update steward rating based on protest handling quality
+   */
+  async updateStewardRating(stewardId: string, ratingChange: number): Promise<void> {
+    let userRating = await this.userRatingRepository.findByUserId(stewardId);
+    if (!userRating) {
+      userRating = UserRating.create(stewardId);
+    }
+
+    const currentRating = userRating.steward.value;
+    const newRatingValue = Math.max(0, Math.min(100, currentRating + ratingChange));
+
+    const updatedRating = userRating.updateStewardRating(newRatingValue);
+    await this.userRatingRepository.save(updatedRating);
+  }
+}

core/identity/domain/types/EmailAddress.ts

@@ -0,0 +1,65 @@
+import { z } from 'zod';
+
+/**
+ * Core email validation schema and helper types.
+ * Kept in domain/types so domain/value-objects can host the EmailAddress VO class.
+ */
+export const emailSchema = z
+  .string()
+  .trim()
+  .toLowerCase()
+  .min(6, 'Email too short')
+  .max(254, 'Email too long')
+  .email('Invalid email format');
+
+export type EmailValidationSuccess = {
+  success: true;
+  email: string;
+  error?: undefined;
+};
+
+export type EmailValidationFailure = {
+  success: false;
+  email?: undefined;
+  error: string;
+};
+
+export type EmailValidationResult = EmailValidationSuccess | EmailValidationFailure;
+
+/**
+ * Validate and normalize an email address.
+ * Mirrors the previous apps/website/lib/email-validation.ts behavior.
+ */
+export function validateEmail(email: string): EmailValidationResult {
+  const result = emailSchema.safeParse(email);
+
+  if (result.success) {
+    return {
+      success: true,
+      email: result.data,
+    };
+  }
+
+  return {
+    success: false,
+    error: result.error.errors[0]?.message || 'Invalid email',
+  };
+}
+
+/**
+ * Basic disposable email detection.
+ * This list matches the previous website-local implementation and
+ * can be extended in the future without changing the public API.
+ */
+export const DISPOSABLE_DOMAINS = new Set<string>([
+  'tempmail.com',
+  'throwaway.email',
+  'guerrillamail.com',
+  'mailinator.com',
+  '10minutemail.com',
+]);
+
+export function isDisposableEmail(email: string): boolean {
+  const domain = email.split('@')[1]?.toLowerCase();
+  return domain ? DISPOSABLE_DOMAINS.has(domain) : false;
+}

core/identity/domain/value-objects/EmailAddress.ts

@@ -0,0 +1,48 @@
+import type { IValueObject } from '@gridpilot/shared/domain';
+import type { EmailValidationResult } from '../types/EmailAddress';
+import { validateEmail, isDisposableEmail } from '../types/EmailAddress';
+
+export interface EmailAddressProps {
+  value: string;
+}
+
+/**
+ * Value Object: EmailAddress
+ *
+ * Wraps a validated, normalized email string and provides equality semantics.
+ * Validation and helper utilities live in domain/types/EmailAddress.
+ */
+export class EmailAddress implements IValueObject<EmailAddressProps> {
+  public readonly props: EmailAddressProps;
+
+  private constructor(value: string) {
+    this.props = { value };
+  }
+
+  static create(raw: string): EmailAddress {
+    const result: EmailValidationResult = validateEmail(raw);
+    if (!result.success) {
+      throw new Error(result.error);
+    }
+    return new EmailAddress(result.email);
+  }
+
+  static fromValidated(value: string): EmailAddress {
+    return new EmailAddress(value);
+  }
+
+  get value(): string {
+    return this.props.value;
+  }
+
+  equals(other: IValueObject<EmailAddressProps>): boolean {
+    return this.props.value === other.props.value;
+  }
+
+  isDisposable(): boolean {
+    return isDisposableEmail(this.props.value);
+  }
+}
+
+export type { EmailValidationResult } from '../types/EmailAddress';
+export { validateEmail, isDisposableEmail } from '../types/EmailAddress';

core/identity/domain/value-objects/UserId.ts

@@ -0,0 +1,32 @@
+import type { IValueObject } from '@gridpilot/shared/domain';
+
+export interface UserIdProps {
+  value: string;
+}
+
+export class UserId implements IValueObject<UserIdProps> {
+  public readonly props: UserIdProps;
+
+  private constructor(value: string) {
+    if (!value || !value.trim()) {
+      throw new Error('UserId cannot be empty');
+    }
+    this.props = { value };
+  }
+
+  public static fromString(value: string): UserId {
+    return new UserId(value);
+  }
+
+  get value(): string {
+    return this.props.value;
+  }
+
+  public toString(): string {
+    return this.props.value;
+  }
+
+  public equals(other: IValueObject<UserIdProps>): boolean {
+    return this.props.value === other.props.value;
+  }
+}

core/identity/domain/value-objects/UserRating.ts

@@ -0,0 +1,281 @@
+import type { IValueObject } from '@gridpilot/shared/domain';
+
+/**
+ * Value Object: UserRating
+ *
+ * Multi-dimensional rating system for users covering:
+ * - Driver skill: racing ability, lap times, consistency
+ * - Admin competence: league management, event organization
+ * - Steward fairness: protest handling, penalty consistency
+ * - Trust score: reliability, sportsmanship, rule compliance
+ * - Fairness score: clean racing, incident involvement
+ */
+
+export interface RatingDimension {
+  value: number;      // Current rating value (0-100 scale)
+  confidence: number; // Confidence level based on sample size (0-1)
+  sampleSize: number; // Number of events contributing to this rating
+  trend: 'rising' | 'stable' | 'falling';
+  lastUpdated: Date;
+}
+
+export interface UserRatingProps {
+  userId: string;
+  driver: RatingDimension;
+  admin: RatingDimension;
+  steward: RatingDimension;
+  trust: RatingDimension;
+  fairness: RatingDimension;
+  overallReputation: number;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+const DEFAULT_DIMENSION: RatingDimension = {
+  value: 50,
+  confidence: 0,
+  sampleSize: 0,
+  trend: 'stable',
+  lastUpdated: new Date(),
+};
+
+export class UserRating implements IValueObject<UserRatingProps> {
+  readonly props: UserRatingProps;
+
+  private constructor(props: UserRatingProps) {
+    this.props = props;
+  }
+
+  get userId(): string {
+    return this.props.userId;
+  }
+
+  get driver(): RatingDimension {
+    return this.props.driver;
+  }
+
+  get admin(): RatingDimension {
+    return this.props.admin;
+  }
+
+  get steward(): RatingDimension {
+    return this.props.steward;
+  }
+
+  get trust(): RatingDimension {
+    return this.props.trust;
+  }
+
+  get fairness(): RatingDimension {
+    return this.props.fairness;
+  }
+
+  get overallReputation(): number {
+    return this.props.overallReputation;
+  }
+
+  get createdAt(): Date {
+    return this.props.createdAt;
+  }
+
+  get updatedAt(): Date {
+    return this.props.updatedAt;
+  }
+
+  static create(userId: string): UserRating {
+    if (!userId || userId.trim().length === 0) {
+      throw new Error('UserRating userId is required');
+    }
+
+    const now = new Date();
+    return new UserRating({
+      userId,
+      driver: { ...DEFAULT_DIMENSION, lastUpdated: now },
+      admin: { ...DEFAULT_DIMENSION, lastUpdated: now },
+      steward: { ...DEFAULT_DIMENSION, lastUpdated: now },
+      trust: { ...DEFAULT_DIMENSION, lastUpdated: now },
+      fairness: { ...DEFAULT_DIMENSION, lastUpdated: now },
+      overallReputation: 50,
+      createdAt: now,
+      updatedAt: now,
+    });
+  }
+
+  static restore(props: UserRatingProps): UserRating {
+    return new UserRating(props);
+  }
+
+  equals(other: IValueObject<UserRatingProps>): boolean {
+    return this.props.userId === other.props.userId;
+  }
+
+  /**
+   * Update driver rating based on race performance
+   */
+  updateDriverRating(
+    newValue: number,
+    weight: number = 1
+  ): UserRating {
+    const updated = this.updateDimension(this.driver, newValue, weight);
+    return this.withUpdates({ driver: updated });
+  }
+
+  /**
+   * Update admin rating based on league management feedback
+   */
+  updateAdminRating(
+    newValue: number,
+    weight: number = 1
+  ): UserRating {
+    const updated = this.updateDimension(this.admin, newValue, weight);
+    return this.withUpdates({ admin: updated });
+  }
+
+  /**
+   * Update steward rating based on protest handling feedback
+   */
+  updateStewardRating(
+    newValue: number,
+    weight: number = 1
+  ): UserRating {
+    const updated = this.updateDimension(this.steward, newValue, weight);
+    return this.withUpdates({ steward: updated });
+  }
+
+  /**
+   * Update trust score based on reliability and sportsmanship
+   */
+  updateTrustScore(
+    newValue: number,
+    weight: number = 1
+  ): UserRating {
+    const updated = this.updateDimension(this.trust, newValue, weight);
+    return this.withUpdates({ trust: updated });
+  }
+
+  /**
+   * Update fairness score based on clean racing incidents
+   */
+  updateFairnessScore(
+    newValue: number,
+    weight: number = 1
+  ): UserRating {
+    const updated = this.updateDimension(this.fairness, newValue, weight);
+    return this.withUpdates({ fairness: updated });
+  }
+
+  /**
+   * Calculate weighted overall reputation
+   */
+  calculateOverallReputation(): number {
+    // Weight dimensions by confidence and importance
+    const weights = {
+      driver: 0.25 * this.driver.confidence,
+      admin: 0.15 * this.admin.confidence,
+      steward: 0.15 * this.steward.confidence,
+      trust: 0.25 * this.trust.confidence,
+      fairness: 0.20 * this.fairness.confidence,
+    };
+
+    const totalWeight = Object.values(weights).reduce((sum, w) => sum + w, 0);
+    
+    if (totalWeight === 0) {
+      return 50; // Default when no ratings yet
+    }
+
+    const weightedSum =
+      this.driver.value * weights.driver +
+      this.admin.value * weights.admin +
+      this.steward.value * weights.steward +
+      this.trust.value * weights.trust +
+      this.fairness.value * weights.fairness;
+
+    return Math.round(weightedSum / totalWeight);
+  }
+
+  /**
+   * Get rating tier for display
+   */
+  getDriverTier(): 'rookie' | 'amateur' | 'semi-pro' | 'pro' | 'elite' {
+    if (this.driver.value >= 90) return 'elite';
+    if (this.driver.value >= 75) return 'pro';
+    if (this.driver.value >= 60) return 'semi-pro';
+    if (this.driver.value >= 40) return 'amateur';
+    return 'rookie';
+  }
+
+  /**
+   * Get trust level for matchmaking
+   */
+  getTrustLevel(): 'unverified' | 'trusted' | 'highly-trusted' | 'community-leader' {
+    if (this.trust.value >= 90 && this.trust.sampleSize >= 50) return 'community-leader';
+    if (this.trust.value >= 75 && this.trust.sampleSize >= 20) return 'highly-trusted';
+    if (this.trust.value >= 60 && this.trust.sampleSize >= 5) return 'trusted';
+    return 'unverified';
+  }
+
+  /**
+   * Check if user is eligible to be a steward
+   */
+  canBeSteward(): boolean {
+    return (
+      this.trust.value >= 70 &&
+      this.fairness.value >= 70 &&
+      this.trust.sampleSize >= 10
+    );
+  }
+
+  /**
+   * Check if user is eligible to be an admin
+   */
+  canBeAdmin(): boolean {
+    return (
+      this.trust.value >= 60 &&
+      this.trust.sampleSize >= 5
+    );
+  }
+
+  private updateDimension(
+    dimension: RatingDimension,
+    newValue: number,
+    weight: number
+  ): RatingDimension {
+    const clampedValue = Math.max(0, Math.min(100, newValue));
+    const newSampleSize = dimension.sampleSize + weight;
+    
+    // Exponential moving average with decay based on sample size
+    const alpha = Math.min(0.3, 1 / (dimension.sampleSize + 1));
+    const updatedValue = dimension.value * (1 - alpha) + clampedValue * alpha;
+
+    // Calculate confidence (asymptotic to 1)
+    const confidence = 1 - Math.exp(-newSampleSize / 20);
+
+    // Determine trend
+    const valueDiff = updatedValue - dimension.value;
+    let trend: 'rising' | 'stable' | 'falling' = 'stable';
+    if (valueDiff > 2) trend = 'rising';
+    if (valueDiff < -2) trend = 'falling';
+
+    return {
+      value: Math.round(updatedValue * 10) / 10,
+      confidence: Math.round(confidence * 100) / 100,
+      sampleSize: newSampleSize,
+      trend,
+      lastUpdated: new Date(),
+    };
+  }
+
+  private withUpdates(updates: Partial<UserRatingProps>): UserRating {
+    const newRating = new UserRating({
+      ...this.props,
+      ...updates,
+      updatedAt: new Date(),
+    });
+     
+    // Recalculate overall reputation
+    return new UserRating({
+      ...newRating.props,
+      overallReputation: newRating.calculateOverallReputation(),
+    });
+  }
+}