docs(deployment): Fix 8 critical deployment issues and enhance documentation

Summary of fixes:
- Fix service discovery address (change .sae domain to internal IP)
- Unify timezone configuration (Asia/Shanghai for all services)
- Enhance ECS security group configuration (Redis/Weaviate port binding)
- Add image pull strategy best practices
- Add Python service memory management guidelines
- Update Dify API Key deployment strategy (avoid deadlock)
- Add SSH tunnel for RDS database access
- Add NAT gateway cost optimization explanation

Modified files (7 docs):
- 00-部署架构总览.md (enhanced with 7 sections)
- 03-Dify-ECS部署完全指南.md (security hardening)
- 04-Python微服务-SAE容器部署指南.md (timezone + service discovery)
- 05-Node.js后端-SAE容器部署指南.md (timezone configuration)
- PostgreSQL部署策略-摸底报告.md (timezone best practice)
- 07-关键配置补充说明.md (3 new sections)
- 08-部署检查清单.md (service address fix)

New files:
- 文档修正报告-20251214.md (comprehensive fix report)
- Review documents from technical team

Impact:
- Fixed 3 P0/P1 critical issues (100% connection failure risk)
- Fixed 3 P2 important issues (stability and maintainability)
- Added 2 P3 best practices (developer convenience)

Status: All deployment documents reviewed and corrected, ready for production deployment

docs/00-系统总体设计/00-系统当前状态与开发指南.md

@@ -80,9 +80,9 @@
 ### 技术栈
 
 **前端**：
-- React 19 + TypeScript 5 + Vite 6
+- React 19 + TypeScript 5 + Vite 7
 - **Ant Design 6.0** + **Ant Design X 2.1** ✨ 新增！
-- TailwindCSS 3 + React Query v5 + React Router DOM v6
+- TailwindCSS 3 + React Query v5 + React Router DOM v7
 - 架构：frontend-v2（模块化，顶部导航）
 - **通用能力层**：shared/components/Chat（基于 Ant Design X）✅
 
@@ -93,12 +93,12 @@
 - 架构：增量演进（legacy + common + modules）
 
 **数据库**：
-- PostgreSQL 16
+- PostgreSQL 15 （Docker: postgres:15-alpine）
 - 10个Schema隔离（platform/aia/pkb/asl/dc/ssa/st/rvw/admin/common）
 
 **云原生部署**：
 - 阿里云 SAE (Serverless 应用引擎)
-- RDS (PostgreSQL) + OSS (对象存储) + Redis (可选)
+- RDS PostgreSQL 15 + OSS (对象存储) + Redis (可选，Dify需要)
 
 ---
 
@@ -392,7 +392,7 @@ AIclinicalresearch/
 ### 环境要求
 ```
 Node.js: v22.18.0+
-PostgreSQL: 16+
+PostgreSQL: 15+（当前使用15.14）
 npm: 10+
 ```