fix: hide the entire Flex-reported amp card when PowerGenius is not the selected amp type

frontend/src/components/FlexPanel.tsx

@@ -812,8 +812,10 @@ export function FlexPanel({ onCWSpeed, onReportRST }: { onCWSpeed?: (wpm: number
           </Card>
         )}
 
-        {/* External amplifier (PowerGenius XL) — only when detected. */}
-        {st.amp_available && (
+        {/* External amplifier (PowerGenius XL) — only when the Flex reports one AND
+            PowerGenius is the selected amp type. Running an SPE Expert hides this
+            Flex-reported card so the two amps don't both show. */}
+        {st.amp_available && !isSPE && (
           <Card icon={Flame} title={`${t('flxp.amplifier')}${st.amp_model ? ' · ' + st.amp_model : ''}`} accent="#ea580c">
             <div className="flex items-center gap-3">
               <button type="button" disabled={off}