Method calculate_cascade_depth

graphlite/src/cache/invalidation.rs:385–396

(
        &self,
        initial: &HashSet<String>,
        cascaded: &HashSet<String>,
    )

    }

    fn calculate_cascade_depth(
        &self,
        initial: &HashSet<String>,
        cascaded: &HashSet<String>,
    ) -> usize {
        if cascaded.is_empty() {
            0
        } else {
            // Simplified - would need proper depth tracking
            (cascaded.len() as f64 / initial.len() as f64).ceil() as usize
        }
    }

    fn dependency_key(&self, dependency_type: &DependencyType) -> String {
        match dependency_type {