whois: a typed oper gets its own 320 special line with the type title (e.g. 'is a Network Administrator'), separate from the generic 313 operator line

src/coremods/core_info.rs

@@ -308,6 +308,18 @@ impl Command for Whois {
                 &format!("{nick} :is an IRC Operator"),
             );
         }
+        // 320: the oper type's title on its own line, e.g. "is a Network
+        // Administrator" — from the oper's type (hidden with +H like the 313 line).
+        if oper && (!hideoper || asker_oper) {
+            if let Some(title) = crate::modules::opertypes::title_of(s, tuid) {
+                let article = if title.chars().next().is_some_and(|c| "aeiouAEIOU".contains(c)) {
+                    "an"
+                } else {
+                    "a"
+                };
+                s.numeric(uid, RPL_WHOISSPECIAL, &format!(":is {article} {title}"));
+            }
+        }
         // 320: oper-set SWHOIS line. No redundant target-nick param — just the
         // text — so clients that don't special-case 320 don't echo the nick.
         if let Some(line) = &swhois {