update

src/variant.rs

@@ -305,7 +305,7 @@ pub fn unique_flows(i: &[String]) -> Vec<String> {
         if let Some(suffix) = s.strip_prefix("flow::") {
             // Extract the part after "flow::" and split on "::" to get the kind (ignoring id)
             let parts: Vec<&str> = suffix.split("::").collect();
-            if let Some(kind) = parts.get(0) {
+            if let Some(kind) = parts.first() {
                 // Build the common prefix "flow::kind"
                 let common_prefix = format!("flow::{}", kind);