fix: bug where scope is now showing on IC7300

frontend/src/App.tsx

@@ -366,6 +366,11 @@ export default function App() {
 
   // CAT — receives live rig state via Wails events.
   const [catState, setCatState] = useState<CATState>({ enabled: false, connected: false } as any);
+  // Configured CAT backend ('icom' USB vs 'icom-net'): the live catState.backend
+  // is "icom" for BOTH, so we track the settings value to tell them apart (used to
+  // hide the rig ON/OFF buttons on USB, where the interface is unpowered when the
+  // rig is off so power-ON can't work).
+  const [catBackend, setCatBackend] = useState('');
   const [rotatorHeading, setRotatorHeading] = useState<{ enabled: boolean; ok: boolean; azimuth: number }>({ enabled: false, ok: false, azimuth: 0 });
   const [ubStatus, setUbStatus] = useState<{ enabled: boolean; connected: boolean; direction: number; moving: boolean }>({ enabled: false, connected: false, direction: 0, moving: false });
   const [agStatus, setAgStatus] = useState<AGStatus>({ connected: false, port_a: 0, port_b: 0, antennas: [] });
@@ -1352,6 +1357,7 @@ export default function App() {
     try {
       const c = await GetCATSettings();
       if (c.digital_default) digitalDefaultRef.current = c.digital_default;
+      setCatBackend(c.backend ?? '');
     } catch {}
   }, []);
   const loadLists = useCallback(async () => {
@@ -3154,7 +3160,7 @@ export default function App() {
       case 'icom':
         return (
           <div className="h-full w-full min-h-0 rounded-lg overflow-hidden border border-border">
-            <IcomPanel onReportRST={(r) => { setRstSent(r); rstUserEditedRef.current = true; }} />
+            <IcomPanel isNetwork={catBackend === 'icom-net'} onReportRST={(r) => { setRstSent(r); rstUserEditedRef.current = true; }} />
           </div>
         );
       case 'netcontrol':
@@ -4245,7 +4251,7 @@ export default function App() {
                 is an Icom. */}
             {catState.backend === 'icom' && (
               <TabsContent value="icom" className="flex-1 min-h-0 p-0">
-                <IcomPanel onReportRST={(r) => { setRstSent(r); rstUserEditedRef.current = true; }} />
+                <IcomPanel isNetwork={catBackend === 'icom-net'} onReportRST={(r) => { setRstSent(r); rstUserEditedRef.current = true; }} />
               </TabsContent>
             )}