feat: When a call is cleared from MSHV/WSJTx/JTDX it also clears the call field of OpsLog

frontend/src/App.tsx

@@ -1787,6 +1787,12 @@ export default function App() {
     const unsubRC = EventsOn('udp:remote_call', (raw: string) => {
       if (applyUdpCall(raw, true)) restartRecordingForNewTarget(String(raw ?? '')); // explicit remote pick
     });
+    // The DX Call was cleared in WSJT-X / JTDX / MSHV → clear our entry to match.
+    // Only when something is actually in the entry, so an idle digital app doesn't
+    // wipe a call being typed by hand.
+    const unsubClear = EventsOn('udp:clear_call', () => {
+      if (callsignRef.current?.value?.trim() || callsign.trim()) resetEntry();
+    });
     // Clicked one of OpsLog's spots on the FlexRadio panadapter → fill the call
     // (the radio already tuned via trigger_action=Tune, and CAT reads the freq).
     // An explicit click always wins over whatever call is currently in the field.
@@ -1811,7 +1817,7 @@ export default function App() {
         else setError('UDP auto-log: ' + msg);
       }
     });
-    return () => { unsubDX?.(); unsubRC?.(); unsubFlexSpot?.(); unsubProg?.(); unsubLog?.(); };
+    return () => { unsubDX?.(); unsubRC?.(); unsubClear?.(); unsubFlexSpot?.(); unsubProg?.(); unsubLog?.(); };
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);