pub fn message_reduction_percentage(&self) -> f64 {
        if self.original_messages == 0 {
            return 0.0;
        }
        ((self.original_messages - self.compacted_messages) as f64 / self.original_messages as f64)
            * 100.0
    }
Calculate the percentage reduction in messages
crates/forge_domain/src/compaction_result.rs