feat(platform): Implement platform infrastructure with cloud-native support

- Add storage service (LocalAdapter + OSSAdapter stub)
- Add database connection pool with graceful shutdown
- Add logging system with winston (JSON format)
- Add environment config management
- Add async job queue (MemoryQueue + DatabaseQueue stub)
- Add cache service (MemoryCache + RedisCache stub)
- Add health check endpoints for SAE
- Add monitoring metrics for DB, memory, API

Key Features:
- Zero-code switching between local and cloud environments
- Adapter pattern for multi-environment support
- Backward compatible with legacy modules
- Ready for Aliyun Serverless deployment

Related: Platform Infrastructure Planning (docs/09-鏋舵瀯瀹炴柦/04-骞冲彴鍩虹璁炬柦瑙勫垝.md)

docs/08-项目管理/03-每周计划/2025-11-16-平台基础设施规划完成总结.md

@@ -167,3 +167,4 @@ Day 3: 验证和集成测试
 **完成时间：** 当天  
 **参与人员：** 架构团队
 
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