feat(database): add database layer architecture (#410)

- Add @esengine/database-drivers for MongoDB/Redis connection management
- Add @esengine/database for Repository pattern with CRUD, pagination, soft delete
- Refactor @esengine/transaction MongoStorage to use shared connection
- Add comprehensive documentation in Chinese and English

packages/framework/database/module.json

@@ -0,0 +1,23 @@
+{
+    "id": "database",
+    "name": "@esengine/database",
+    "globalKey": "database",
+    "displayName": "Database",
+    "description": "数据库 CRUD 操作和仓库模式，支持用户管理、通用数据存储 | Database CRUD operations and repository pattern with user management and generic data storage",
+    "version": "1.0.0",
+    "category": "Infrastructure",
+    "icon": "Database",
+    "tags": ["database", "crud", "repository", "user"],
+    "isCore": false,
+    "defaultEnabled": true,
+    "isEngineModule": false,
+    "canContainContent": false,
+    "platforms": ["server"],
+    "dependencies": ["database-drivers"],
+    "exports": {
+        "components": [],
+        "systems": []
+    },
+    "requiresWasm": false,
+    "outputPath": "dist/index.js"
+}

packages/framework/database/package.json

@@ -0,0 +1,37 @@
+{
+    "name": "@esengine/database",
+    "version": "1.0.0",
+    "description": "Database CRUD operations and repositories for ESEngine | ESEngine 数据库 CRUD 操作和仓库",
+    "type": "module",
+    "main": "./dist/index.js",
+    "module": "./dist/index.js",
+    "types": "./dist/index.d.ts",
+    "exports": {
+        ".": {
+            "import": "./dist/index.js",
+            "types": "./dist/index.d.ts"
+        }
+    },
+    "files": [
+        "dist",
+        "module.json"
+    ],
+    "scripts": {
+        "build": "tsup",
+        "build:watch": "tsup --watch",
+        "type-check": "tsc --noEmit",
+        "clean": "rimraf dist"
+    },
+    "dependencies": {
+        "@esengine/database-drivers": "workspace:*"
+    },
+    "devDependencies": {
+        "@types/node": "^20.0.0",
+        "tsup": "^8.0.0",
+        "typescript": "^5.8.0",
+        "rimraf": "^5.0.0"
+    },
+    "publishConfig": {
+        "access": "public"
+    }
+}

packages/framework/database/src/Repository.ts

@@ -0,0 +1,313 @@
+/**
+ * @zh MongoDB 仓库实现
+ * @en MongoDB repository implementation
+ *
+ * @zh 基于 MongoDB 的通用仓库，支持 CRUD、分页、软删除
+ * @en Generic MongoDB repository with CRUD, pagination, and soft delete support
+ */
+
+import { randomUUID } from 'crypto'
+import type { IMongoConnection, IMongoCollection } from '@esengine/database-drivers'
+import type {
+    BaseEntity,
+    IRepository,
+    PaginatedResult,
+    PaginationParams,
+    QueryOptions,
+    WhereCondition
+} from './types.js'
+
+/**
+ * @zh MongoDB 仓库基类
+ * @en MongoDB repository base class
+ *
+ * @example
+ * ```typescript
+ * interface Player extends BaseEntity {
+ *     name: string
+ *     score: number
+ * }
+ *
+ * class PlayerRepository extends Repository<Player> {
+ *     constructor(connection: IMongoConnection) {
+ *         super(connection, 'players')
+ *     }
+ *
+ *     async findTopPlayers(limit: number): Promise<Player[]> {
+ *         return this.findMany({
+ *             sort: { score: 'desc' },
+ *             limit,
+ *         })
+ *     }
+ * }
+ * ```
+ */
+export class Repository<T extends BaseEntity> implements IRepository<T> {
+    protected readonly _collection: IMongoCollection<T>
+
+    constructor(
+        protected readonly connection: IMongoConnection,
+        public readonly collectionName: string,
+        protected readonly enableSoftDelete: boolean = false
+    ) {
+        this._collection = connection.collection<T>(collectionName)
+    }
+
+    // =========================================================================
+    // 查询 | Query
+    // =========================================================================
+
+    async findById(id: string): Promise<T | null> {
+        const filter = this._buildFilter({ where: { id } as WhereCondition<T> })
+        return this._collection.findOne(filter)
+    }
+
+    async findOne(options?: QueryOptions<T>): Promise<T | null> {
+        const filter = this._buildFilter(options)
+        const sort = this._buildSort(options)
+        return this._collection.findOne(filter, { sort })
+    }
+
+    async findMany(options?: QueryOptions<T>): Promise<T[]> {
+        const filter = this._buildFilter(options)
+        const sort = this._buildSort(options)
+        return this._collection.find(filter, {
+            sort,
+            skip: options?.offset,
+            limit: options?.limit
+        })
+    }
+
+    async findPaginated(
+        pagination: PaginationParams,
+        options?: Omit<QueryOptions<T>, 'limit' | 'offset'>
+    ): Promise<PaginatedResult<T>> {
+        const { page, pageSize } = pagination
+        const offset = (page - 1) * pageSize
+
+        const [data, total] = await Promise.all([
+            this.findMany({ ...options, limit: pageSize, offset }),
+            this.count(options)
+        ])
+
+        const totalPages = Math.ceil(total / pageSize)
+
+        return {
+            data,
+            total,
+            page,
+            pageSize,
+            totalPages,
+            hasNext: page < totalPages,
+            hasPrev: page > 1
+        }
+    }
+
+    async count(options?: QueryOptions<T>): Promise<number> {
+        const filter = this._buildFilter(options)
+        return this._collection.countDocuments(filter)
+    }
+
+    async exists(options: QueryOptions<T>): Promise<boolean> {
+        const count = await this.count({ ...options, limit: 1 })
+        return count > 0
+    }
+
+    // =========================================================================
+    // 创建 | Create
+    // =========================================================================
+
+    async create(data: Omit<T, 'id' | 'createdAt' | 'updatedAt'> & { id?: string }): Promise<T> {
+        const now = new Date()
+        const entity = {
+            ...data,
+            id: data.id || randomUUID(),
+            createdAt: now,
+            updatedAt: now
+        } as T
+
+        await this._collection.insertOne(entity)
+        return entity
+    }
+
+    async createMany(
+        data: Array<Omit<T, 'id' | 'createdAt' | 'updatedAt'> & { id?: string }>
+    ): Promise<T[]> {
+        if (data.length === 0) return []
+
+        const now = new Date()
+        const entities = data.map(item => ({
+            ...item,
+            id: item.id || randomUUID(),
+            createdAt: now,
+            updatedAt: now
+        })) as T[]
+
+        await this._collection.insertMany(entities)
+        return entities
+    }
+
+    // =========================================================================
+    // 更新 | Update
+    // =========================================================================
+
+    async update(
+        id: string,
+        data: Partial<Omit<T, 'id' | 'createdAt' | 'updatedAt'>>
+    ): Promise<T | null> {
+        const filter = this._buildFilter({ where: { id } as WhereCondition<T> })
+        return this._collection.findOneAndUpdate(
+            filter,
+            { $set: { ...data, updatedAt: new Date() } },
+            { returnDocument: 'after' }
+        )
+    }
+
+    // =========================================================================
+    // 删除 | Delete
+    // =========================================================================
+
+    async delete(id: string): Promise<boolean> {
+        if (this.enableSoftDelete) {
+            const result = await this._collection.updateOne(
+                { id },
+                { $set: { deletedAt: new Date(), updatedAt: new Date() } }
+            )
+            return result.modifiedCount > 0
+        }
+
+        const result = await this._collection.deleteOne({ id })
+        return result.deletedCount > 0
+    }
+
+    async deleteMany(options: QueryOptions<T>): Promise<number> {
+        const filter = this._buildFilter(options)
+
+        if (this.enableSoftDelete) {
+            const result = await this._collection.updateMany(filter, {
+                $set: { deletedAt: new Date(), updatedAt: new Date() }
+            })
+            return result.modifiedCount
+        }
+
+        const result = await this._collection.deleteMany(filter)
+        return result.deletedCount
+    }
+
+    // =========================================================================
+    // 软删除恢复 | Soft Delete Recovery
+    // =========================================================================
+
+    /**
+     * @zh 恢复软删除的记录
+     * @en Restore soft deleted record
+     */
+    async restore(id: string): Promise<T | null> {
+        if (!this.enableSoftDelete) {
+            throw new Error('Soft delete is not enabled for this repository')
+        }
+
+        return this._collection.findOneAndUpdate(
+            { id, deletedAt: { $ne: null } },
+            { $set: { deletedAt: null, updatedAt: new Date() } },
+            { returnDocument: 'after' }
+        )
+    }
+
+    // =========================================================================
+    // 内部方法 | Internal Methods
+    // =========================================================================
+
+    /**
+     * @zh 构建过滤条件
+     * @en Build filter
+     */
+    protected _buildFilter(options?: QueryOptions<T>): object {
+        const filter: Record<string, unknown> = {}
+
+        if (this.enableSoftDelete && !options?.includeSoftDeleted) {
+            filter['deletedAt'] = null
+        }
+
+        if (!options?.where) {
+            return filter
+        }
+
+        return { ...filter, ...this._convertWhere(options.where) }
+    }
+
+    /**
+     * @zh 转换 where 条件
+     * @en Convert where condition
+     */
+    protected _convertWhere(where: WhereCondition<T>): object {
+        const result: Record<string, unknown> = {}
+
+        for (const [key, value] of Object.entries(where)) {
+            if (key === '$or' && Array.isArray(value)) {
+                result['$or'] = value.map(v => this._convertWhere(v as WhereCondition<T>))
+                continue
+            }
+
+            if (key === '$and' && Array.isArray(value)) {
+                result['$and'] = value.map(v => this._convertWhere(v as WhereCondition<T>))
+                continue
+            }
+
+            if (value === undefined) continue
+
+            if (typeof value === 'object' && value !== null && !Array.isArray(value)) {
+                const ops = value as Record<string, unknown>
+                const mongoOps: Record<string, unknown> = {}
+
+                if ('$eq' in ops) mongoOps['$eq'] = ops.$eq
+                if ('$ne' in ops) mongoOps['$ne'] = ops.$ne
+                if ('$gt' in ops) mongoOps['$gt'] = ops.$gt
+                if ('$gte' in ops) mongoOps['$gte'] = ops.$gte
+                if ('$lt' in ops) mongoOps['$lt'] = ops.$lt
+                if ('$lte' in ops) mongoOps['$lte'] = ops.$lte
+                if ('$in' in ops) mongoOps['$in'] = ops.$in
+                if ('$nin' in ops) mongoOps['$nin'] = ops.$nin
+                if ('$like' in ops) {
+                    const pattern = (ops.$like as string).replace(/%/g, '.*').replace(/_/g, '.')
+                    mongoOps['$regex'] = new RegExp(`^${pattern}$`, 'i')
+                }
+                if ('$regex' in ops) {
+                    mongoOps['$regex'] = new RegExp(ops.$regex as string, 'i')
+                }
+
+                result[key] = Object.keys(mongoOps).length > 0 ? mongoOps : value
+            } else {
+                result[key] = value
+            }
+        }
+
+        return result
+    }
+
+    /**
+     * @zh 构建排序条件
+     * @en Build sort condition
+     */
+    protected _buildSort(options?: QueryOptions<T>): Record<string, 1 | -1> | undefined {
+        if (!options?.sort) return undefined
+
+        const result: Record<string, 1 | -1> = {}
+        for (const [key, direction] of Object.entries(options.sort)) {
+            result[key] = direction === 'desc' ? -1 : 1
+        }
+        return result
+    }
+}
+
+/**
+ * @zh 创建仓库实例
+ * @en Create repository instance
+ */
+export function createRepository<T extends BaseEntity>(
+    connection: IMongoConnection,
+    collectionName: string,
+    enableSoftDelete = false
+): Repository<T> {
+    return new Repository<T>(connection, collectionName, enableSoftDelete)
+}

packages/framework/database/src/UserRepository.ts

@@ -0,0 +1,335 @@
+/**
+ * @zh 用户仓库
+ * @en User repository
+ *
+ * @zh 提供用户管理的常用方法，包括注册、登录、角色管理等
+ * @en Provides common user management methods including registration, login, role management
+ */
+
+import type { IMongoConnection } from '@esengine/database-drivers'
+import { Repository } from './Repository.js'
+import { hashPassword, verifyPassword } from './password.js'
+import type { UserEntity } from './types.js'
+
+/**
+ * @zh 创建用户参数
+ * @en Create user parameters
+ */
+export interface CreateUserParams {
+    /**
+     * @zh 用户名
+     * @en Username
+     */
+    username: string
+
+    /**
+     * @zh 明文密码
+     * @en Plain text password
+     */
+    password: string
+
+    /**
+     * @zh 邮箱
+     * @en Email
+     */
+    email?: string
+
+    /**
+     * @zh 角色列表
+     * @en Role list
+     */
+    roles?: string[]
+
+    /**
+     * @zh 额外数据
+     * @en Additional metadata
+     */
+    metadata?: Record<string, unknown>
+}
+
+/**
+ * @zh 用户信息（不含密码）
+ * @en User info (without password)
+ */
+export type SafeUser = Omit<UserEntity, 'passwordHash'>
+
+/**
+ * @zh 用户仓库
+ * @en User repository
+ *
+ * @example
+ * ```typescript
+ * const mongo = createMongoConnection({ uri: '...', database: 'game' })
+ * await mongo.connect()
+ *
+ * const userRepo = new UserRepository(mongo)
+ *
+ * // 注册用户
+ * const user = await userRepo.register({
+ *     username: 'player1',
+ *     password: 'securePassword123',
+ *     email: 'player1@example.com',
+ * })
+ *
+ * // 验证登录
+ * const result = await userRepo.authenticate('player1', 'securePassword123')
+ * if (result) {
+ *     console.log('登录成功:', result.username)
+ * }
+ * ```
+ */
+export class UserRepository extends Repository<UserEntity> {
+    constructor(connection: IMongoConnection, collectionName = 'users') {
+        super(connection, collectionName, true)
+    }
+
+    // =========================================================================
+    // 查询 | Query
+    // =========================================================================
+
+    /**
+     * @zh 根据用户名查找用户
+     * @en Find user by username
+     */
+    async findByUsername(username: string): Promise<UserEntity | null> {
+        return this.findOne({ where: { username } })
+    }
+
+    /**
+     * @zh 根据邮箱查找用户
+     * @en Find user by email
+     */
+    async findByEmail(email: string): Promise<UserEntity | null> {
+        return this.findOne({ where: { email } })
+    }
+
+    /**
+     * @zh 检查用户名是否存在
+     * @en Check if username exists
+     */
+    async usernameExists(username: string): Promise<boolean> {
+        return this.exists({ where: { username } })
+    }
+
+    /**
+     * @zh 检查邮箱是否存在
+     * @en Check if email exists
+     */
+    async emailExists(email: string): Promise<boolean> {
+        return this.exists({ where: { email } })
+    }
+
+    // =========================================================================
+    // 注册与认证 | Registration & Authentication
+    // =========================================================================
+
+    /**
+     * @zh 注册新用户
+     * @en Register new user
+     *
+     * @param params - @zh 创建用户参数 @en Create user parameters
+     * @returns @zh 创建的用户（不含密码哈希）@en Created user (without password hash)
+     * @throws @zh 如果用户名已存在 @en If username already exists
+     */
+    async register(params: CreateUserParams): Promise<SafeUser> {
+        const { username, password, email, roles, metadata } = params
+
+        if (await this.usernameExists(username)) {
+            throw new Error('Username already exists')
+        }
+
+        if (email && (await this.emailExists(email))) {
+            throw new Error('Email already exists')
+        }
+
+        const passwordHash = await hashPassword(password)
+
+        const user = await this.create({
+            username,
+            passwordHash,
+            email,
+            roles: roles ?? ['user'],
+            isActive: true,
+            metadata
+        })
+
+        return this.toSafeUser(user)
+    }
+
+    /**
+     * @zh 验证用户登录
+     * @en Authenticate user login
+     *
+     * @param username - @zh 用户名 @en Username
+     * @param password - @zh 明文密码 @en Plain text password
+     * @returns @zh 验证成功返回用户信息（不含密码），失败返回 null @en Returns user info on success, null on failure
+     */
+    async authenticate(username: string, password: string): Promise<SafeUser | null> {
+        const user = await this.findByUsername(username)
+        if (!user || !user.isActive) {
+            return null
+        }
+
+        const isValid = await verifyPassword(password, user.passwordHash)
+        if (!isValid) {
+            return null
+        }
+
+        await this.update(user.id, { lastLoginAt: new Date() })
+
+        return this.toSafeUser(user)
+    }
+
+    // =========================================================================
+    // 密码管理 | Password Management
+    // =========================================================================
+
+    /**
+     * @zh 修改密码
+     * @en Change password
+     *
+     * @param userId - @zh 用户 ID @en User ID
+     * @param oldPassword - @zh 旧密码 @en Old password
+     * @param newPassword - @zh 新密码 @en New password
+     * @returns @zh 是否修改成功 @en Whether change was successful
+     */
+    async changePassword(
+        userId: string,
+        oldPassword: string,
+        newPassword: string
+    ): Promise<boolean> {
+        const user = await this.findById(userId)
+        if (!user) {
+            return false
+        }
+
+        const isValid = await verifyPassword(oldPassword, user.passwordHash)
+        if (!isValid) {
+            return false
+        }
+
+        const newHash = await hashPassword(newPassword)
+        const result = await this.update(userId, { passwordHash: newHash })
+        return result !== null
+    }
+
+    /**
+     * @zh 重置密码（管理员操作）
+     * @en Reset password (admin operation)
+     *
+     * @param userId - @zh 用户 ID @en User ID
+     * @param newPassword - @zh 新密码 @en New password
+     */
+    async resetPassword(userId: string, newPassword: string): Promise<boolean> {
+        const user = await this.findById(userId)
+        if (!user) {
+            return false
+        }
+
+        const newHash = await hashPassword(newPassword)
+        const result = await this.update(userId, { passwordHash: newHash })
+        return result !== null
+    }
+
+    // =========================================================================
+    // 角色管理 | Role Management
+    // =========================================================================
+
+    /**
+     * @zh 添加角色
+     * @en Add role to user
+     */
+    async addRole(userId: string, role: string): Promise<boolean> {
+        const user = await this.findById(userId)
+        if (!user) {
+            return false
+        }
+
+        const roles = user.roles ?? []
+        if (!roles.includes(role)) {
+            roles.push(role)
+            await this.update(userId, { roles })
+        }
+        return true
+    }
+
+    /**
+     * @zh 移除角色
+     * @en Remove role from user
+     */
+    async removeRole(userId: string, role: string): Promise<boolean> {
+        const user = await this.findById(userId)
+        if (!user) {
+            return false
+        }
+
+        const roles = (user.roles ?? []).filter(r => r !== role)
+        await this.update(userId, { roles })
+        return true
+    }
+
+    /**
+     * @zh 检查用户是否拥有角色
+     * @en Check if user has role
+     */
+    async hasRole(userId: string, role: string): Promise<boolean> {
+        const user = await this.findById(userId)
+        return user?.roles?.includes(role) ?? false
+    }
+
+    /**
+     * @zh 检查用户是否拥有任一角色
+     * @en Check if user has any of the roles
+     */
+    async hasAnyRole(userId: string, roles: string[]): Promise<boolean> {
+        const user = await this.findById(userId)
+        if (!user?.roles) return false
+        return roles.some(role => user.roles.includes(role))
+    }
+
+    // =========================================================================
+    // 状态管理 | Status Management
+    // =========================================================================
+
+    /**
+     * @zh 禁用用户
+     * @en Deactivate user
+     */
+    async deactivate(userId: string): Promise<boolean> {
+        const result = await this.update(userId, { isActive: false })
+        return result !== null
+    }
+
+    /**
+     * @zh 启用用户
+     * @en Activate user
+     */
+    async activate(userId: string): Promise<boolean> {
+        const result = await this.update(userId, { isActive: true })
+        return result !== null
+    }
+
+    // =========================================================================
+    // 内部方法 | Internal Methods
+    // =========================================================================
+
+    /**
+     * @zh 移除密码哈希
+     * @en Remove password hash
+     */
+    private toSafeUser(user: UserEntity): SafeUser {
+        const { passwordHash, ...safeUser } = user
+        return safeUser
+    }
+}
+
+/**
+ * @zh 创建用户仓库
+ * @en Create user repository
+ */
+export function createUserRepository(
+    connection: IMongoConnection,
+    collectionName = 'users'
+): UserRepository {
+    return new UserRepository(connection, collectionName)
+}

packages/framework/database/src/index.ts

@@ -0,0 +1,152 @@
+/**
+ * @zh @esengine/database 数据库操作层
+ * @en @esengine/database Database Operations Layer
+ *
+ * @zh 提供通用的数据库 CRUD 操作、仓库模式、用户管理等功能
+ * @en Provides generic database CRUD operations, repository pattern, user management
+ *
+ * @example
+ * ```typescript
+ * import { createMongoConnection } from '@esengine/database-drivers'
+ * import {
+ *     Repository,
+ *     UserRepository,
+ *     createUserRepository,
+ *     hashPassword,
+ *     verifyPassword,
+ * } from '@esengine/database'
+ *
+ * // 1. 创建连接（来自 database-drivers）
+ * const mongo = createMongoConnection({
+ *     uri: 'mongodb://localhost:27017',
+ *     database: 'game',
+ * })
+ * await mongo.connect()
+ *
+ * // 2. 使用用户仓库
+ * const userRepo = createUserRepository(mongo)
+ *
+ * // 注册
+ * const user = await userRepo.register({
+ *     username: 'player1',
+ *     password: 'securePassword123',
+ * })
+ *
+ * // 登录
+ * const authUser = await userRepo.authenticate('player1', 'securePassword123')
+ *
+ * // 3. 自定义仓库
+ * interface Player extends BaseEntity {
+ *     name: string
+ *     score: number
+ *     level: number
+ * }
+ *
+ * class PlayerRepository extends Repository<Player> {
+ *     constructor(connection: IMongoConnection) {
+ *         super(connection, 'players')
+ *     }
+ *
+ *     async findTopPlayers(limit = 10): Promise<Player[]> {
+ *         return this.findMany({
+ *             sort: { score: 'desc' },
+ *             limit,
+ *         })
+ *     }
+ *
+ *     async addScore(playerId: string, points: number): Promise<Player | null> {
+ *         const player = await this.findById(playerId)
+ *         if (!player) return null
+ *         return this.update(playerId, { score: player.score + points })
+ *     }
+ * }
+ *
+ * // 4. 分页查询
+ * const result = await userRepo.findPaginated(
+ *     { page: 1, pageSize: 20 },
+ *     { where: { isActive: true }, sort: { createdAt: 'desc' } }
+ * )
+ * console.log(`第 ${result.page}/${result.totalPages} 页，共 ${result.total} 条`)
+ * ```
+ */
+
+// =============================================================================
+// Types | 类型
+// =============================================================================
+
+export type {
+    BaseEntity,
+    SoftDeleteEntity,
+    ComparisonOperators,
+    WhereCondition,
+    SortDirection,
+    SortCondition,
+    QueryOptions,
+    PaginationParams,
+    PaginatedResult,
+    IRepository,
+    UserEntity
+} from './types.js'
+
+// =============================================================================
+// Repository | 仓库
+// =============================================================================
+
+export { Repository, createRepository } from './Repository.js'
+
+// =============================================================================
+// User Repository | 用户仓库
+// =============================================================================
+
+export {
+    UserRepository,
+    createUserRepository,
+    type CreateUserParams,
+    type SafeUser
+} from './UserRepository.js'
+
+// =============================================================================
+// Password | 密码工具
+// =============================================================================
+
+export {
+    hashPassword,
+    verifyPassword,
+    checkPasswordStrength,
+    type PasswordHashConfig,
+    type PasswordStrength,
+    type PasswordStrengthResult
+} from './password.js'
+
+// =============================================================================
+// Tokens | 服务令牌
+// =============================================================================
+
+export {
+    MongoConnectionToken,
+    RedisConnectionToken,
+    UserRepositoryToken,
+    createServiceToken,
+    type ServiceToken
+} from './tokens.js'
+
+// =============================================================================
+// Re-exports from database-drivers | 从 database-drivers 重新导出
+// =============================================================================
+
+export type {
+    IMongoConnection,
+    IRedisConnection,
+    MongoConnectionConfig,
+    RedisConnectionConfig,
+    ConnectionState,
+    DatabaseErrorCode
+} from '@esengine/database-drivers'
+
+export {
+    createMongoConnection,
+    createRedisConnection,
+    DatabaseError,
+    ConnectionError,
+    DuplicateKeyError
+} from '@esengine/database-drivers'

packages/framework/database/src/password.ts

@@ -0,0 +1,189 @@
+/**
+ * @zh 密码加密工具
+ * @en Password hashing utilities
+ *
+ * @zh 使用 Node.js 内置的 crypto 模块实现安全的密码哈希
+ * @en Uses Node.js built-in crypto module for secure password hashing
+ */
+
+import { randomBytes, scrypt, timingSafeEqual } from 'crypto'
+import { promisify } from 'util'
+
+const scryptAsync = promisify(scrypt)
+
+/**
+ * @zh 密码哈希配置
+ * @en Password hash configuration
+ */
+export interface PasswordHashConfig {
+    /**
+     * @zh 盐的字节长度（默认 16）
+     * @en Salt length in bytes (default 16)
+     */
+    saltLength?: number
+
+    /**
+     * @zh scrypt 密钥长度（默认 64）
+     * @en scrypt key length (default 64)
+     */
+    keyLength?: number
+}
+
+const DEFAULT_CONFIG: Required<PasswordHashConfig> = {
+    saltLength: 16,
+    keyLength: 64
+}
+
+/**
+ * @zh 对密码进行哈希处理
+ * @en Hash a password
+ *
+ * @param password - @zh 明文密码 @en Plain text password
+ * @param config - @zh 哈希配置 @en Hash configuration
+ * @returns @zh 格式为 "salt:hash" 的哈希字符串 @en Hash string in "salt:hash" format
+ *
+ * @example
+ * ```typescript
+ * const hashedPassword = await hashPassword('myPassword123')
+ * // 存储 hashedPassword 到数据库
+ * ```
+ */
+export async function hashPassword(
+    password: string,
+    config?: PasswordHashConfig
+): Promise<string> {
+    const { saltLength, keyLength } = { ...DEFAULT_CONFIG, ...config }
+
+    const salt = randomBytes(saltLength).toString('hex')
+    const derivedKey = (await scryptAsync(password, salt, keyLength)) as Buffer
+
+    return `${salt}:${derivedKey.toString('hex')}`
+}
+
+/**
+ * @zh 验证密码是否正确
+ * @en Verify if a password is correct
+ *
+ * @param password - @zh 明文密码 @en Plain text password
+ * @param hashedPassword - @zh 存储的哈希密码 @en Stored hashed password
+ * @param config - @zh 哈希配置 @en Hash configuration
+ * @returns @zh 密码是否匹配 @en Whether the password matches
+ *
+ * @example
+ * ```typescript
+ * const isValid = await verifyPassword('myPassword123', storedHash)
+ * if (isValid) {
+ *     // 登录成功
+ * }
+ * ```
+ */
+export async function verifyPassword(
+    password: string,
+    hashedPassword: string,
+    config?: PasswordHashConfig
+): Promise<boolean> {
+    const { keyLength } = { ...DEFAULT_CONFIG, ...config }
+
+    const [salt, storedHash] = hashedPassword.split(':')
+    if (!salt || !storedHash) {
+        return false
+    }
+
+    try {
+        const derivedKey = (await scryptAsync(password, salt, keyLength)) as Buffer
+        const storedBuffer = Buffer.from(storedHash, 'hex')
+
+        return timingSafeEqual(derivedKey, storedBuffer)
+    } catch {
+        return false
+    }
+}
+
+/**
+ * @zh 密码强度等级
+ * @en Password strength level
+ */
+export type PasswordStrength = 'weak' | 'fair' | 'good' | 'strong'
+
+/**
+ * @zh 密码强度检查结果
+ * @en Password strength check result
+ */
+export interface PasswordStrengthResult {
+    /**
+     * @zh 强度分数 (0-6)
+     * @en Strength score (0-6)
+     */
+    score: number
+
+    /**
+     * @zh 强度等级
+     * @en Strength level
+     */
+    level: PasswordStrength
+
+    /**
+     * @zh 改进建议
+     * @en Improvement suggestions
+     */
+    feedback: string[]
+}
+
+/**
+ * @zh 检查密码强度
+ * @en Check password strength
+ *
+ * @param password - @zh 明文密码 @en Plain text password
+ * @returns @zh 密码强度信息 @en Password strength information
+ */
+export function checkPasswordStrength(password: string): PasswordStrengthResult {
+    const feedback: string[] = []
+    let score = 0
+
+    if (password.length >= 8) {
+        score += 1
+    } else {
+        feedback.push('Password should be at least 8 characters')
+    }
+
+    if (password.length >= 12) {
+        score += 1
+    }
+
+    if (/[a-z]/.test(password)) {
+        score += 1
+    } else {
+        feedback.push('Password should contain lowercase letters')
+    }
+
+    if (/[A-Z]/.test(password)) {
+        score += 1
+    } else {
+        feedback.push('Password should contain uppercase letters')
+    }
+
+    if (/[0-9]/.test(password)) {
+        score += 1
+    } else {
+        feedback.push('Password should contain numbers')
+    }
+
+    if (/[^a-zA-Z0-9]/.test(password)) {
+        score += 1
+    } else {
+        feedback.push('Password should contain special characters')
+    }
+
+    let level: PasswordStrength
+    if (score <= 2) {
+        level = 'weak'
+    } else if (score <= 3) {
+        level = 'fair'
+    } else if (score <= 4) {
+        level = 'good'
+    } else {
+        level = 'strong'
+    }
+
+    return { score, level, feedback }
+}

packages/framework/database/src/tokens.ts

@@ -0,0 +1,17 @@
+/**
+ * @zh 数据库服务令牌
+ * @en Database service tokens
+ */
+
+import type { ServiceToken, createServiceToken as createToken } from '@esengine/database-drivers'
+import type { UserRepository } from './UserRepository.js'
+
+// Re-export from database-drivers for convenience
+export { MongoConnectionToken, RedisConnectionToken, createServiceToken } from '@esengine/database-drivers'
+export type { ServiceToken } from '@esengine/database-drivers'
+
+/**
+ * @zh 用户仓库令牌
+ * @en User repository token
+ */
+export const UserRepositoryToken: ServiceToken<UserRepository> = { id: 'database:userRepository' }

packages/framework/database/src/types.ts

@@ -0,0 +1,333 @@
+/**
+ * @zh 数据库核心类型定义
+ * @en Database core type definitions
+ */
+
+// =============================================================================
+// 实体类型 | Entity Types
+// =============================================================================
+
+/**
+ * @zh 基础实体接口
+ * @en Base entity interface
+ */
+export interface BaseEntity {
+    /**
+     * @zh 实体唯一标识
+     * @en Entity unique identifier
+     */
+    id: string
+
+    /**
+     * @zh 创建时间
+     * @en Creation timestamp
+     */
+    createdAt?: Date
+
+    /**
+     * @zh 更新时间
+     * @en Update timestamp
+     */
+    updatedAt?: Date
+}
+
+/**
+ * @zh 软删除实体接口
+ * @en Soft delete entity interface
+ */
+export interface SoftDeleteEntity extends BaseEntity {
+    /**
+     * @zh 删除时间（null 表示未删除）
+     * @en Deletion timestamp (null means not deleted)
+     */
+    deletedAt?: Date | null
+}
+
+// =============================================================================
+// 查询类型 | Query Types
+// =============================================================================
+
+/**
+ * @zh 比较操作符
+ * @en Comparison operators
+ */
+export interface ComparisonOperators<T> {
+    $eq?: T
+    $ne?: T
+    $gt?: T
+    $gte?: T
+    $lt?: T
+    $lte?: T
+    $in?: T[]
+    $nin?: T[]
+    $like?: string
+    $regex?: string
+}
+
+/**
+ * @zh 查询条件
+ * @en Query condition
+ */
+export type WhereCondition<T> = {
+    [K in keyof T]?: T[K] | ComparisonOperators<T[K]>
+} & {
+    $or?: WhereCondition<T>[]
+    $and?: WhereCondition<T>[]
+}
+
+/**
+ * @zh 排序方向
+ * @en Sort direction
+ */
+export type SortDirection = 'asc' | 'desc'
+
+/**
+ * @zh 排序条件
+ * @en Sort condition
+ */
+export type SortCondition<T> = {
+    [K in keyof T]?: SortDirection
+}
+
+/**
+ * @zh 查询选项
+ * @en Query options
+ */
+export interface QueryOptions<T> {
+    /**
+     * @zh 过滤条件
+     * @en Filter conditions
+     */
+    where?: WhereCondition<T>
+
+    /**
+     * @zh 排序条件
+     * @en Sort conditions
+     */
+    sort?: SortCondition<T>
+
+    /**
+     * @zh 限制返回数量
+     * @en Limit number of results
+     */
+    limit?: number
+
+    /**
+     * @zh 跳过记录数
+     * @en Number of records to skip
+     */
+    offset?: number
+
+    /**
+     * @zh 是否包含软删除记录
+     * @en Whether to include soft deleted records
+     */
+    includeSoftDeleted?: boolean
+}
+
+// =============================================================================
+// 分页类型 | Pagination Types
+// =============================================================================
+
+/**
+ * @zh 分页参数
+ * @en Pagination parameters
+ */
+export interface PaginationParams {
+    /**
+     * @zh 页码（从 1 开始）
+     * @en Page number (starts from 1)
+     */
+    page: number
+
+    /**
+     * @zh 每页数量
+     * @en Items per page
+     */
+    pageSize: number
+}
+
+/**
+ * @zh 分页结果
+ * @en Pagination result
+ */
+export interface PaginatedResult<T> {
+    /**
+     * @zh 数据列表
+     * @en Data list
+     */
+    data: T[]
+
+    /**
+     * @zh 总记录数
+     * @en Total count
+     */
+    total: number
+
+    /**
+     * @zh 当前页码
+     * @en Current page
+     */
+    page: number
+
+    /**
+     * @zh 每页数量
+     * @en Page size
+     */
+    pageSize: number
+
+    /**
+     * @zh 总页数
+     * @en Total pages
+     */
+    totalPages: number
+
+    /**
+     * @zh 是否有下一页
+     * @en Whether has next page
+     */
+    hasNext: boolean
+
+    /**
+     * @zh 是否有上一页
+     * @en Whether has previous page
+     */
+    hasPrev: boolean
+}
+
+// =============================================================================
+// 仓库接口 | Repository Interface
+// =============================================================================
+
+/**
+ * @zh 仓库接口
+ * @en Repository interface
+ */
+export interface IRepository<T extends BaseEntity> {
+    /**
+     * @zh 集合名称
+     * @en Collection name
+     */
+    readonly collectionName: string
+
+    /**
+     * @zh 根据 ID 查找
+     * @en Find by ID
+     */
+    findById(id: string): Promise<T | null>
+
+    /**
+     * @zh 查找单条记录
+     * @en Find one record
+     */
+    findOne(options?: QueryOptions<T>): Promise<T | null>
+
+    /**
+     * @zh 查找多条记录
+     * @en Find many records
+     */
+    findMany(options?: QueryOptions<T>): Promise<T[]>
+
+    /**
+     * @zh 分页查询
+     * @en Paginated query
+     */
+    findPaginated(
+        pagination: PaginationParams,
+        options?: Omit<QueryOptions<T>, 'limit' | 'offset'>
+    ): Promise<PaginatedResult<T>>
+
+    /**
+     * @zh 统计记录数
+     * @en Count records
+     */
+    count(options?: QueryOptions<T>): Promise<number>
+
+    /**
+     * @zh 检查记录是否存在
+     * @en Check if record exists
+     */
+    exists(options: QueryOptions<T>): Promise<boolean>
+
+    /**
+     * @zh 创建记录
+     * @en Create record
+     */
+    create(data: Omit<T, 'id' | 'createdAt' | 'updatedAt'> & { id?: string }): Promise<T>
+
+    /**
+     * @zh 批量创建
+     * @en Bulk create
+     */
+    createMany(data: Array<Omit<T, 'id' | 'createdAt' | 'updatedAt'> & { id?: string }>): Promise<T[]>
+
+    /**
+     * @zh 更新记录
+     * @en Update record
+     */
+    update(id: string, data: Partial<Omit<T, 'id' | 'createdAt' | 'updatedAt'>>): Promise<T | null>
+
+    /**
+     * @zh 删除记录
+     * @en Delete record
+     */
+    delete(id: string): Promise<boolean>
+
+    /**
+     * @zh 批量删除
+     * @en Bulk delete
+     */
+    deleteMany(options: QueryOptions<T>): Promise<number>
+}
+
+// =============================================================================
+// 用户实体 | User Entity
+// =============================================================================
+
+/**
+ * @zh 用户实体
+ * @en User entity
+ */
+export interface UserEntity extends SoftDeleteEntity {
+    /**
+     * @zh 用户名
+     * @en Username
+     */
+    username: string
+
+    /**
+     * @zh 密码哈希
+     * @en Password hash
+     */
+    passwordHash: string
+
+    /**
+     * @zh 邮箱
+     * @en Email
+     */
+    email?: string
+
+    /**
+     * @zh 用户角色
+     * @en User roles
+     */
+    roles: string[]
+
+    /**
+     * @zh 是否启用
+     * @en Is active
+     */
+    isActive: boolean
+
+    /**
+     * @zh 最后登录时间
+     * @en Last login timestamp
+     */
+    lastLoginAt?: Date
+
+    /**
+     * @zh 额外数据
+     * @en Additional metadata
+     */
+    metadata?: Record<string, unknown>
+}

packages/framework/database/tsconfig.json

@@ -0,0 +1,10 @@
+{
+    "extends": "../../../tsconfig.base.json",
+    "compilerOptions": {
+        "outDir": "./dist",
+        "rootDir": "./src",
+        "declarationDir": "./dist"
+    },
+    "include": ["src/**/*"],
+    "exclude": ["node_modules", "dist"]
+}

packages/framework/database/tsup.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from 'tsup';
+
+export default defineConfig({
+    entry: ['src/index.ts'],
+    format: ['esm'],
+    dts: true,
+    clean: true,
+    sourcemap: true,
+    external: ['@esengine/database-drivers'],
+    treeshake: true,
+});