fix(ui): hide SDR power and align header controls

src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js

@@ -334,13 +334,18 @@ function applyCapabilities(caps) {
   const txAudioBtn = document.getElementById("tx-audio-btn");
   const txVolSlider = document.getElementById("tx-vol");
   const txVolControl = txVolSlider ? txVolSlider.closest(".vol-label") : null;
+  const hasPowerControl = !caps.filter_controls;
   if (txPowerCol) {
-    txPowerCol.style.display = "";
+    txPowerCol.style.display = (caps.tx || hasPowerControl || caps.lockable) ? "" : "none";
     const label = txPowerCol.querySelector(".label span");
-    if (label) label.textContent = caps.tx ? "Transmit / Power" : "Power / Tuning";
+    if (label) {
+      label.textContent = caps.tx && hasPowerControl ? "Transmit / Power"
+        : caps.tx ? "Transmit / Tuning"
+          : hasPowerControl ? "Power / Tuning" : "Tuning";
+    }
   }
   if (pttBtn) pttBtn.style.display = caps.tx ? "" : "none";
-  if (powerBtn) powerBtn.style.display = "";
+  if (powerBtn) powerBtn.style.display = hasPowerControl ? "" : "none";
   if (lockBtn) lockBtn.style.display = caps.lockable ? "" : "none";
   if (txMetersRow) txMetersRow.style.display = caps.tx ? "" : "none";
   if (txAudioBtn) txAudioBtn.style.display = caps.tx ? "" : "none";

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

@@ -1231,7 +1231,7 @@ small { color: var(--text-muted); }
 }
 .top-bar-actions {
   display: flex;
-  align-items: center;
+  align-items: flex-start;
   gap: 0.45rem 0.6rem;
   min-width: 0;
   flex-wrap: wrap;
@@ -1406,7 +1406,7 @@ small { color: var(--text-muted); }
 .header-rig-switch {
   display: grid;
   grid-template-columns: minmax(0, 1fr);
-  align-items: center;
+  align-items: start;
   gap: 0.35rem;
 }
 .header-rig-summary {
@@ -1428,6 +1428,7 @@ small { color: var(--text-muted); }
   background: var(--input-bg);
   color: var(--text);
   font-size: 0.85rem;
+  align-self: start;
 }
 .header-rig-switch button {
   height: 2rem;