//! Telemetry adapter — basic tracing setup.
/// Initialise a `tracing_subscriber` using the `RUST_LOG` env var.
/// Safe to call multiple times; subsequent calls are no-ops.
#[cfg(feature ="telemetry")]pub(crate)fninit_basic_tracing(){usetracing_subscriber::{EnvFilter, fmt};let_=fmt().with_env_filter(EnvFilter::try_from_default_env().unwrap_or_else(|_|EnvFilter::new("info")),).try_init();}