chore: clean up code — remove dead code, stale allows, eprintln→tracing, remove volatile data from docs

src/snapshot.rs

@@ -35,8 +35,6 @@ fn domain_label(domain: &str) -> (&str, &str) {
 
 const BOLD: &str = "\x1b[1m";
 const DIM: &str = "\x1b[2m";
-#[allow(dead_code)]
-const RED: &str = "\x1b[91m";
 const GREEN: &str = "\x1b[92m";
 const YELLOW: &str = "\x1b[93m";
 const CYAN: &str = "\x1b[96m";