Function compute_metrics 

pub fn compute_metrics(
    episodes: &[DebugEpisode],
    episode_count: usize,
    fault_labels: &[bool],
    raw_anomaly_count: u64,
    precision_window: u64,
    dataset_name: &'static str,
    num_signals: u16,
) -> BenchmarkMetrics

Compute benchmark metrics from episodes and fault labels. Paper §7.4