feat(ui): improve radio operator experience

src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/ft4.js

@@ -190,7 +190,7 @@ ft4DecodeToggleBtn?.addEventListener("click", async () => {
 });
 
 document.getElementById("settings-clear-ft4-history")?.addEventListener("click", async () => {
-  if (!confirm("Clear all FT4 decode history? This cannot be undone.")) return;
+  if (!await window.trxUi.confirm({ title: "Clear FT4 history?", message: "All stored FT4 decodes will be permanently removed.", confirmLabel: "Clear history" })) return;
   try {
     await postPath("/clear_ft4_decode");
     window.resetFt4HistoryView();