feat: 完成配置中心重构和命名规范优化

- 重构config层为配置中心架构，支持动态配置管理
- 统一core层命名规范(event-bus→event, circuit-breaker→breaker, domain-sdk→sdk)
- 修复数据库连接配置路径问题
- 实现配置中心完整功能：系统配置、动态配置、配置验证、统计
- 优化目录结构，为微服务架构做准备
- 修复TypeScript编译错误和依赖注入问题

wwjcloud/env.production

@@ -0,0 +1,121 @@
+# ========================================
+# WWJCloud Backend 生产环境配置
+# ========================================
+
+# 应用基础配置
+APP_NAME=WWJCloud Backend
+APP_VERSION=1.0.0
+PORT=3000
+NODE_ENV=production
+TZ=Asia/Shanghai
+
+# 数据库配置
+DB_HOST=prod-db.example.com
+DB_PORT=3306
+DB_USERNAME=wwjcloud_user
+DB_PASSWORD=your-production-password
+DB_DATABASE=wwjcloud_prod
+DB_SYNC=false
+DB_LOGGING=false
+
+# Redis 配置
+REDIS_HOST=prod-redis.example.com
+REDIS_PORT=6379
+REDIS_PASSWORD=your-redis-password
+REDIS_DB=0
+REDIS_KEY_PREFIX=wwjcloud:prod:
+
+# Kafka 配置
+KAFKA_CLIENT_ID=wwjcloud-backend-prod
+KAFKA_BROKERS=prod-kafka1.example.com:9092,prod-kafka2.example.com:9092
+KAFKA_GROUP_ID=wwjcloud-group-prod
+KAFKA_TOPIC_PREFIX=domain-events-prod
+
+# JWT 配置
+JWT_SECRET=your-super-secret-jwt-key-at-least-32-characters-for-production
+JWT_EXPIRES_IN=24h
+JWT_ALGORITHM=HS256
+
+# 缓存配置
+CACHE_TTL=600
+CACHE_MAX_ITEMS=2000
+CACHE_PREFIX=wwjcloud:prod:cache:
+
+# 日志配置
+LOG_LEVEL=warn
+LOG_FORMAT=json
+LOG_FILENAME=logs/app.log
+
+# 文件上传配置
+UPLOAD_PATH=public/upload/prod
+UPLOAD_MAX_SIZE=20971520
+UPLOAD_ALLOWED_TYPES=image/*,application/pdf,text/*
+
+# 限流配置
+THROTTLE_TTL=300
+THROTTLE_LIMIT=1000
+
+# 第三方服务配置
+STORAGE_PROVIDER=oss
+STORAGE_CONFIG={"accessKeyId":"your-key","accessKeySecret":"your-secret","bucket":"your-bucket","region":"oss-cn-hangzhou"}
+
+PAYMENT_PROVIDER=alipay
+PAYMENT_CONFIG={"appId":"your-app-id","privateKey":"your-private-key","publicKey":"alipay-public-key"}
+
+SMS_PROVIDER=aliyun
+SMS_CONFIG={"accessKeyId":"your-key","accessKeySecret":"your-secret","signName":"WWJCloud","templateCode":"SMS_123456789"}
+
+# 配置中心配置
+ENABLE_DYNAMIC_CONFIG=true
+CONFIG_CACHE_TTL=300
+
+# 队列配置
+QUEUE_DRIVER=bull
+TASK_QUEUE_ADAPTER=database-outbox
+EVENT_BUS_ADAPTER=database-outbox
+QUEUE_REMOVE_ON_COMPLETE=100
+QUEUE_REMOVE_ON_FAIL=50
+QUEUE_DEFAULT_ATTEMPTS=3
+QUEUE_BACKOFF_DELAY=2000
+
+# Outbox 模式配置
+OUTBOX_PROCESS_INTERVAL=5000
+OUTBOX_BATCH_SIZE=100
+OUTBOX_MAX_RETRIES=5
+OUTBOX_RETRY_DELAY=60000
+
+# 追踪配置
+JAEGER_ENDPOINT=http://jaeger:14268/api/traces
+TRACING_ENABLED=true
+
+# 健康检查配置
+HEALTH_CHECK_ENABLED=true
+HEALTH_CHECK_INTERVAL=30000
+
+# 安全配置
+BCRYPT_ROUNDS=12
+SESSION_SECRET=production-session-secret-key
+COOKIE_SECRET=production-cookie-secret-key
+
+# 跨域配置
+CORS_ORIGIN=https://your-domain.com
+CORS_CREDENTIALS=true
+CORS_METHODS=GET,HEAD,PUT,PATCH,POST,DELETE
+
+# 域名配置
+CURRENT_DOMAIN=prod
+ALLOWED_DOMAINS=your-domain.com,api.your-domain.com
+
+# 语言配置
+DEFAULT_LANGUAGE=zh-CN
+SUPPORTED_LANGUAGES=zh-CN,en-US
+
+# 监控配置
+METRICS_ENABLED=true
+METRICS_PORT=9090
+PROMETHEUS_ENABLED=true
+
+# 开发工具配置
+SWAGGER_ENABLED=false
+SWAGGER_PATH=docs
+DEBUG_ENABLED=false