refactor: address 5-pass audit findings for antipatterns, bottlenecks, memory efficiency, and LLM handlers

server/src/api/setup.rs

@@ -710,7 +710,7 @@ mod tests {
         let js_str = String::from_utf8(js_bytes.to_vec()).unwrap();
         assert!(js_str.contains("escapeHtml"));
         assert!(js_str.contains("setupWS"));
-        assert!(js_str.contains("refreshActiveTab"));
+        assert!(js_str.contains("requestDomainRefresh"));
         assert!(js_str.contains("parseActivityPayload"));
     }