Function resolve_cli_device_udid

packages/server/src/main.rs:3150–3205

(
    positional: Option<&str>,
    global_selector: Option<&str>,
    explicit_server_url: Option<&str>,
)

}

fn resolve_cli_device_udid(
    positional: Option<&str>,
    global_selector: Option<&str>,
    explicit_server_url: Option<&str>,
) -> anyhow::Result<String> {
    if let Some(udid) = positional.map(str::trim).filter(|value| !value.is_empty()) {
        return Ok(udid.to_owned());
    }

    let selector = global_selector
        .map(str::to_owned)
        .or_else(|| env::var("SIMDECK_DEVICE").ok())
        .or_else(|| env::var("SIMDECK_UDID").ok())
        .map(|value| value.trim().to_owned())
        .filter(|value| !value.is_empty());

    if let Some(selector) = selector {
        if android::is_android_id(&selector) || looks_like_device_selector(&selector) {
            return Ok(selector);
        }
        let server_url = command_service_url(explicit_server_url)?;
        if let Some(simulator) = select_studio_simulator(&server_url, &selector)? {
            return Ok(simulator.udid);
        }
        return Ok(selector);
    }

    if let Some(selection) = read_project_device_selection()? {
        let udid = selection.udid.trim();
        if !udid.is_empty() {
            return Ok(udid.to_owned());
        }
    }

    let server_url = command_service_url(explicit_server_url)?;
    if let Some(simulator) = infer_default_cli_simulator(&server_url)? {
        return Ok(simulator.udid);
    }

    let simulators = list_studio_simulators(&server_url)?;
    let booted = simulators
        .iter()
        .filter(|simulator| simulator.is_booted)
        .collect::<Vec<_>>();
    if booted.len() > 1 {
        anyhow::bail!(
            "Multiple booted simulators are available. Pass a UDID, run `simdeck use <UDID>`, use --device, or set SIMDECK_DEVICE."
        );
    }
    if simulators.is_empty() {
        anyhow::bail!("No simulators are available. Boot one or pass a UDID explicitly.");
    }
    anyhow::bail!(
        "No default simulator could be inferred. Pass a UDID, run `simdeck use <UDID>`, use --device, or set SIMDECK_DEVICE."
    )
}

fn infer_default_cli_simulator(