Add RDSAI CLI to README as related tool

Add introduction and quick start guide for rdsai-cli project
(https://github.com/aliyun/rdsai-cli) - an AI-powered database CLI
that supports natural language queries for AliSQL and MySQL.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: zongzhi.czz

README.md

@@ -197,6 +197,37 @@ We welcome contributions of all kinds!
 
 For bugs and feature requests, please use [GitHub Issues](https://github.com/alibaba/AliSQL/issues).
 
+## Related Tools
+
+### RDSAI CLI — AI-Powered Database Assistant
+
+<p>
+  <a href="https://github.com/aliyun/rdsai-cli"><img src="https://img.shields.io/badge/GitHub-rdsai--cli-blue?style=flat-square&logo=github" alt="RDSAI CLI"></a>
+  <a href="https://www.python.org/downloads/"><img src="https://img.shields.io/badge/python-3.13+-blue.svg?style=flat-square" alt="Python 3.13+"></a>
+</p>
+
+[RDSAI CLI](https://github.com/aliyun/rdsai-cli) is a next-generation, AI-powered CLI that transforms how you interact with AliSQL and MySQL databases. Describe your intent in **natural language**, and the AI agent handles the rest.
+
+```bash
+# Install
+curl -LsSf https://raw.githubusercontent.com/aliyun/rdsai-cli/main/install.sh | sh
+
+# Connect and ask in natural language
+rdsai --host localhost -u root -p secret -D mydb
+mysql> analyze index usage on users table
+mysql> show me slow queries from the last hour
+mysql> why this query is slow: SELECT * FROM users WHERE name LIKE '%john%'
+```
+
+**Key Features:**
+- Natural language to SQL conversion (English/中文)
+- AI-powered query optimization and diagnostics
+- Execution plan analysis with `Ctrl+E`
+- Multi-model LLM support (Qwen, OpenAI, DeepSeek, Anthropic, etc.)
+- Performance benchmarking with automated analysis
+
+👉 **[Get Started with RDSAI CLI](https://github.com/aliyun/rdsai-cli)**
+
 ## Community & Support
 
 <table>

README_zh.md

@@ -197,6 +197,37 @@ AliSQL 于 2025 年 12 月正式开源，由阿里云数据库团队持续维护
 
 如有 Bug 反馈或功能建议，请通过 [GitHub Issues](https://github.com/alibaba/AliSQL/issues) 提交。
 
+## 相关工具
+
+### RDSAI CLI — AI 驱动的数据库助手
+
+<p>
+  <a href="https://github.com/aliyun/rdsai-cli"><img src="https://img.shields.io/badge/GitHub-rdsai--cli-blue?style=flat-square&logo=github" alt="RDSAI CLI"></a>
+  <a href="https://www.python.org/downloads/"><img src="https://img.shields.io/badge/python-3.13+-blue.svg?style=flat-square" alt="Python 3.13+"></a>
+</p>
+
+[RDSAI CLI](https://github.com/aliyun/rdsai-cli) 是新一代 AI 驱动的数据库命令行工具，让你可以用**自然语言**与 AliSQL 和 MySQL 数据库交互。AI 代理会帮你完成 SQL 生成、执行计划分析、诊断优化等工作。
+
+```bash
+# 安装
+curl -LsSf https://raw.githubusercontent.com/aliyun/rdsai-cli/main/install.sh | sh
+
+# 连接数据库，使用自然语言查询
+rdsai --host localhost -u root -p secret -D mydb
+mysql> 分析 users 表的索引使用情况
+mysql> 显示过去一小时的慢查询
+mysql> 为什么这个查询很慢: SELECT * FROM users WHERE name LIKE '%john%'
+```
+
+**核心功能：**
+- 自然语言转 SQL（支持中英文）
+- AI 驱动的查询优化与诊断分析
+- 按 `Ctrl+E` 即时分析执行计划
+- 多模型 LLM 支持（通义千问、OpenAI、DeepSeek、Anthropic 等）
+- 自动化性能基准测试与分析报告
+
+👉 **[立即体验 RDSAI CLI](https://github.com/aliyun/rdsai-cli)**
+
 ## 社区与支持
 
 <table>