NEAR Protocol CLI installation and setup guide. Use when: (1) User asks how to install NEAR CLI, (2) User needs help setting up near-cli-rs, (3) User wants to verify NEAR CLI installation, (4) User needs to install near-cli-rs, (5) user wants to use near cli to perform any action on the blockchain. AGENTS MUST ALWAYS get the absolute path of the 'near' binary before execution.

NEAR 协议命令行工具安装与配置指南。适用场景：（1）用户询问如何安装 NEAR CLI，（2）用户需要帮助设置 near-cli-rs，（3）用户希望验证 NEAR CLI 是否安装成功，（4）用户需要安装 near-cli-rs，（5）用户希望使用 NEAR CLI 执行区块链上的任何操作。代理在执行前必须获取 'near' 二进制文件的绝对路径。