fix(ui): simplify operator layout picker

src/trx-client/trx-frontend/trx-frontend-http/assets/web/style.css

@@ -2949,8 +2949,7 @@ button.is-active {
 #ptt-btn.is-active { background: var(--accent-red) !important; border-color: var(--accent-red) !important; color: white !important; }
 .is-busy { cursor: progress !important; opacity: 0.68; }
 .operator-layout-picker {
-  display: inline-grid;
+  display: inline-flex;
-  grid-template-columns: auto auto;
   align-items: center;
   min-height: 2rem;
   padding-left: 0.6rem;
@@ -2980,17 +2979,6 @@ button.is-active {
 }
 .operator-layout-picker:focus-within { border-color: var(--accent-green); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-green) 20%, transparent); }
 .operator-layout-picker select:focus-visible { outline: 0; }
-.operator-layout-description {
-  grid-column: 1 / -1;
-  max-width: 22rem;
-  padding: 0 0.55rem 0.35rem 0;
-  color: var(--text-muted);
-  font-size: var(--fs-xs);
-  font-weight: 500;
-  letter-spacing: 0;
-  line-height: 1.35;
-  text-transform: none;
-}
 .advanced-radio-controls {
   margin-top: var(--space-3);
   border: 1px solid color-mix(in srgb, var(--border-light) 75%, transparent);

src/trx-client/trx-frontend/trx-frontend-http/assets/web/ui-core.js

@@ -126,10 +126,10 @@
   };
 
   const layouts = {
-    compact: { label: "Compact", description: "Essential tuning and audio controls", advanced: false, preferredTab: "main" },
+    compact: { label: "Compact", advanced: false, preferredTab: "main" },
-    broadcast: { label: "Broadcast", description: "WFM, RDS, stereo and interference monitoring", unavailable: "Broadcast requires an enumerated WFM-capable receiver", advanced: false, preferredTab: "main", capability: "broadcast" },
+    broadcast: { label: "Broadcast", unavailable: "Broadcast requires an enumerated WFM-capable receiver", advanced: false, preferredTab: "main", capability: "broadcast" },
-    digital: { label: "Digital", description: "Decoder status, messages and background decoding", unavailable: "Digital requires a compatible rig mode and an available decoder", advanced: false, preferredTab: "digital-modes", capability: "digital" },
+    digital: { label: "Digital", unavailable: "Digital requires a compatible rig mode and an available decoder", advanced: false, preferredTab: "digital-modes", capability: "digital" },
-    full: { label: "Full controls", description: "Every control supported by the selected rig", advanced: true, preferredTab: "main" },
+    full: { label: "Full controls", advanced: true, preferredTab: "main" },
   };
   const layoutCapabilities = { broadcast: false, digital: false };
   let activeRigId = null;
@@ -151,12 +151,6 @@
     return unavailable.length ? `Unavailable: ${unavailable.map(layout => layout.unavailable).join("; ")}.` : "";
   }
 
-  function updateLayoutDescription(layout) {
-    const description = document.getElementById("operator-layout-description");
-    if (!description) return;
-    description.textContent = [layout.description, unavailableLayoutMessage()].filter(Boolean).join(" · ");
-  }
-
   function refreshLayoutOptions() {
     const select = document.getElementById("operator-layout-select");
     if (!select) return;
@@ -170,7 +164,6 @@
     select.value = available ? previous : "compact";
     if (!available && previous !== "compact") api.applyLayout("compact", { persist: false });
     select.title = unavailableLayoutMessage();
-    updateLayoutDescription(layouts[select.value] || layouts.compact);
   }
 
   api.setLayoutCapabilities = function setLayoutCapabilities(capabilities = {}) {
@@ -202,7 +195,6 @@
     if (options.persist !== false) localStorage.setItem(layoutStorageKey(), document.body.dataset.operatorLayout);
     const details = document.getElementById("advanced-radio-controls");
     if (details) details.open = layout.advanced;
-    updateLayoutDescription(layout);
     if (options.navigate && typeof window.navigateToTab === "function") {
       window.navigateToTab(layout.preferredTab);
     }
@@ -213,7 +205,7 @@
     if (actions && !document.getElementById("operator-layout-select")) {
       const label = document.createElement("label");
       label.className = "operator-layout-picker";
-      label.innerHTML = '<span class="visually-hidden">Operator layout</span><select id="operator-layout-select" aria-label="Operator layout" aria-describedby="operator-layout-description"></select><span id="operator-layout-description" class="operator-layout-description"></span>';
+      label.innerHTML = '<span class="visually-hidden">Operator layout</span><select id="operator-layout-select" aria-label="Operator layout"></select>';
       const select = label.querySelector("select");
       const savedLayout = savedLayoutName();
       actions.insertBefore(label, actions.firstChild);