Function install_default_agent

src/agents/kiro.rs:443–489

(path: &Path, owns_agent: bool)

}

fn install_default_agent(path: &Path, owns_agent: bool) -> Result<()> {
    if !owns_agent {
        eprintln!(
            "  Skipping Kiro default-agent update because tracedecay does not own the agent file"
        );
        return Ok(());
    }

    let backup = backup_config_file(path)?;
    let mut config = match load_json_file_strict(path) {
        Ok(v) => v,
        Err(e) => {
            if let Some(ref b) = backup {
                eprintln!("  Backup preserved at: {}", b.display());
            }
            return Err(e);
        }
    };

    ensure_json_object(&config, path)?;
    ensure_child_object(&mut config, "chat", path)?;

    match config["chat"].get("defaultAgent") {
        Some(v) if v.as_str() == Some(KIRO_AGENT_NAME) => {
            eprintln!("  Kiro default agent already set to tracedecay");
            return Ok(());
        }
        Some(v) if v.as_str().is_some_and(is_builtin_default_agent) => {}
        Some(v) if is_empty_default_agent(v) => {}
        None => {}
        Some(v) => {
            eprintln!(
                "  Kiro default agent is {}, leaving user choice unchanged",
                format_json_scalar(v)
            );
            return Ok(());
        }
    }

    config["chat"]["defaultAgent"] = json!(KIRO_AGENT_NAME);
    safe_write_json_file(path, &config, backup.as_deref())?;
    eprintln!(
        "\x1b[32m✔\x1b[0m Set Kiro default agent in {}",
        path.display()
    );
    Ok(())
}

fn is_builtin_default_agent(agent: &str) -> bool {
    matches!(agent, "kiro_default" | "default")