custom video response optimizatation

shared/src/utils/string_utils.rs

@@ -99,6 +99,13 @@ pub fn truncate_string(s: &str, max_len: usize) -> String {
     }
 }
 
+pub fn mask_credentials(s: &str) -> String {
+    match s.chars().next() {
+        Some(first) => format!("{}...", first),
+        None => "...".to_string(),
+    }
+}
+
 #[cfg(test)]
 mod test {
     use std::collections::HashSet;