pub fn init_logging(
log_level: &str,
console_log_level: &str,
log_file: Option<&str>,
log_backup_count: usize,
)Expand description
Initialize the logging subsystem with optional file output.
Sets up tracing-subscriber with console output (colorized) and optionally
writes to a log file. The log level controls verbosity (DEBUG/INFO/WARN/ERROR).