feat: While using Flex & Steppir or Ultrabeam can prevent transmit when antenna is moving

frontend/src/components/SettingsModal.tsx

@@ -827,8 +827,8 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
   const [rotatorTest, setRotatorTest] = useState<{ ok: boolean; msg: string } | null>(null);
 
   // Motorized antenna (Ultrabeam TCP or SteppIR TCP/serial) settings.
-  const [ultrabeam, setUltrabeam] = useState<{ enabled: boolean; type: string; transport: string; host: string; port: number; com: string; baud: number; follow: boolean; step_khz: number }>({
-    enabled: false, type: 'ultrabeam', transport: 'tcp', host: '', port: 23, com: '', baud: 9600, follow: false, step_khz: 50,
+  const [ultrabeam, setUltrabeam] = useState<{ enabled: boolean; type: string; transport: string; host: string; port: number; com: string; baud: number; follow: boolean; step_khz: number; tx_inhibit: boolean }>({
+    enabled: false, type: 'ultrabeam', transport: 'tcp', host: '', port: 23, com: '', baud: 9600, follow: false, step_khz: 50, tx_inhibit: false,
   });
   const [ubTesting, setUbTesting] = useState(false);
   const [ubTest, setUbTest] = useState<{ ok: boolean; msg: string } | null>(null);
@@ -2373,6 +2373,13 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
               </div>
             )}
           </div>
+          <div className="border-t border-border/60 pt-3 space-y-1">
+            <label className="flex items-center gap-2 text-sm cursor-pointer">
+              <Checkbox checked={ultrabeam.tx_inhibit} onCheckedChange={(c) => setUltrabeam((s) => ({ ...s, tx_inhibit: !!c }))} />
+              {t('hw.motorTxInhibit')}
+            </label>
+            <p className="text-xs text-muted-foreground pl-6">{t('hw.motorTxInhibitHint')}</p>
+          </div>
           <div className="flex items-center gap-2 pt-2">
             <Button variant="outline" size="sm" onClick={testUltrabeam} disabled={ubTesting || (isSerial ? !ultrabeam.com.trim() : !ultrabeam.host.trim())}>
               {ubTesting ? t('hw.connecting') : t('hw.testConn')}