Function ensure_config_file

crates/chat-cli/src/cli/mcp.rs:497–507

(os: &Os, path: &PathBuf, output: &mut impl Write)

}

async fn ensure_config_file(os: &Os, path: &PathBuf, output: &mut impl Write) -> Result<McpServerConfig> {
    if !os.fs.exists(path) {
        if let Some(parent) = path.parent() {
            os.fs.create_dir_all(parent).await?;
        }
        McpServerConfig::default().save_to_file(os, path).await?;
        writeln!(output, "\n📁 Created MCP config in '{}'", path.display())?;
    }

    load_cfg(os, path).await
}

fn parse_env_vars(arg: &str) -> Result<HashMap<String, String>> {
    let mut vars = HashMap::new();