feat: physical heading for ultrabeam antennas

frontend/src/App.tsx

@@ -809,6 +809,17 @@ export default function App() {
     return [base];
   }, [rotatorHeading.enabled, rotatorHeading.ok, rotatorHeading.azimuth, ubStatus.enabled, ubStatus.connected, ubStatus.direction]);
 
+  // Mechanical boom (rotor) heading + Ultrabeam pattern — so the compass/map can
+  // show where the antenna physically points (boom) vs where it radiates when
+  // the Ultrabeam is reversed/bidirectional.
+  const boomHeading = useMemo<number | null>(() => (
+    rotatorHeading.enabled && rotatorHeading.ok ? ((rotatorHeading.azimuth % 360) + 360) % 360 : null
+  ), [rotatorHeading.enabled, rotatorHeading.ok, rotatorHeading.azimuth]);
+  const ubPattern = useMemo<'normal' | 'reverse' | 'bi' | null>(() => {
+    if (!(ubStatus.enabled && ubStatus.connected)) return null;
+    return ubStatus.direction === 1 ? 'reverse' : ubStatus.direction === 2 ? 'bi' : 'normal';
+  }, [ubStatus.enabled, ubStatus.connected, ubStatus.direction]);
+
   // Portable UI toggles (mirrored to the DB via writeUiPref / syncPortablePrefs).
   const [showRotor, setShowRotor] = useState(() => localStorage.getItem('opslog.showRotor') !== '0');
   const [showBeamOnMap, setShowBeamOnMap] = useState(() => localStorage.getItem('opslog.showBeamOnMap') !== '0');
@@ -2475,6 +2486,7 @@ export default function App() {
             fromLabel={station.callsign}
             toLabel={callsign}
             beamAzimuths={showBeamOnMap ? beamHeadings : []}
+            boomAzimuth={showBeamOnMap && ubPattern && ubPattern !== 'normal' ? boomHeading : null}
           />
         );
       case 'map2':
@@ -2986,6 +2998,8 @@ export default function App() {
               <RotorCompass
                 bearing={dxPath?.bearingShort ?? null}
                 headings={beamHeadings}
+                boomHeading={boomHeading}
+                pattern={ubPattern}
                 centerLat={gridToLatLon(station.my_grid)?.lat ?? null}
                 centerLon={gridToLatLon(station.my_grid)?.lon ?? null}
                 rotorEnabled={rotatorHeading.enabled && rotatorHeading.ok}