feat(ui): improve radio operator experience

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

@@ -599,7 +599,7 @@
 
     const bmId = bmEl.value;
     if (!bmId) {
-      alert("Please select a primary bookmark.");
+      window.trxUi?.notify("Select a primary bookmark before saving.", { kind: "error" });
       return;
     }
 
@@ -887,7 +887,7 @@
       var recEl = tr.querySelector('[data-field="record"]');
       var exEl = tr.querySelector('[data-field="exclusive"]');
 
-      if (bmEl && !bmEl.value) { alert('Please select a bookmark.'); return; }
+      if (bmEl && !bmEl.value) { window.trxUi?.notify("Select a bookmark before saving.", { kind: "error" }); bmEl.focus(); return; }
 
       entry.start_min = hhmmToMin(startEl.value);
       entry.end_min = hhmmToMin(endEl.value);
@@ -1236,10 +1236,10 @@
     return el ? el.value : "";
   }
 
-  function resetScheduler() {
+  async function resetScheduler() {
     const rig = currentRigId;
     if (!rig) return;
-    if (!confirm("Reset scheduler for this rig to Disabled?")) return;
+    if (!await window.trxUi.confirm({ title: "Reset scheduler?", message: "This rig's scheduler configuration will be reset to Disabled.", confirmLabel: "Reset" })) return;
 
     apiDeleteScheduler(rig)
       .then(function () {