fix: bug on map zoom

frontend/src/App.tsx

@@ -1992,6 +1992,11 @@ export default function App() {
     setLookupBusy(true);
     try {
       const r = await LookupCallsign(call);
+      // Discard a STALE result: the operator already moved to another call
+      // (clicked a new spot / typed) while this lookup was in flight. Applying it
+      // would clobber the current call's fields and zoom the map to the wrong
+      // station — the bug where replacing a call didn't re-zoom the map.
+      if (call !== callsignValRef.current.trim().toUpperCase()) return;
       lastLookedUpRef.current = call;
       // cty.dat carries ONLY DXCC-entity data (country / CQ / ITU zones / continent).
       // A QRZ/HamQTH hit is far richer (name, QTH, grid, address, image). When the
@@ -2858,7 +2863,7 @@ export default function App() {
       case 'flex':
         return (
           <div className="h-full w-full min-h-0 rounded-lg overflow-hidden border border-border">
-            <FlexPanel />
+            <FlexPanel onCWSpeed={(w) => { setWkWpm(w); WinkeyerSetSpeed(w).catch(() => {}); saveWk({ wpm: w }); }} />
           </div>
         );
       case 'recent':
@@ -3913,7 +3918,7 @@ export default function App() {
                 backend is a FlexRadio. */}
             {catState.backend === 'flex' && (
               <TabsContent value="flex" className="flex-1 min-h-0 p-0">
-                <FlexPanel />
+                <FlexPanel onCWSpeed={(w) => { setWkWpm(w); WinkeyerSetSpeed(w).catch(() => {}); saveWk({ wpm: w }); }} />
               </TabsContent>
             )}
 

frontend/src/components/FlexPanel.tsx

@@ -187,7 +187,9 @@ function Card({ icon: Icon, title, accent, children }: { icon: any; title: strin
   );
 }
 
-export function FlexPanel() {
+// onCWSpeed (optional): notified when the operator changes CW speed here, so the
+// host can keep the WinKeyer (which actually sends the macros) in sync.
+export function FlexPanel({ onCWSpeed }: { onCWSpeed?: (wpm: number) => void } = {}) {
   const [st, setSt] = useState<FlexState>(ZERO);
   const hold = useRef<Record<string, number>>({});
   // Peak-hold: keep the highest reading for ~2 s so the jittery VITA-49 meters
@@ -355,7 +357,7 @@ export function FlexPanel() {
             <div className="border-t border-border/60 pt-3 space-y-3">
               <div className="flex items-center gap-2">
                 <span className="w-16 shrink-0 text-[11px] font-bold text-muted-foreground">Speed</span>
-                <Slider value={st.cw_speed} disabled={off} max={60} accent="#0d9488" onChange={(v) => change('cw_speed', v, () => FlexSetCWSpeed(v))} />
+                <Slider value={st.cw_speed} disabled={off} max={60} accent="#0d9488" onChange={(v) => { change('cw_speed', v, () => FlexSetCWSpeed(v)); onCWSpeed?.(v); }} />
                 <span className="w-12 text-right text-xs font-mono tabular-nums text-muted-foreground">{st.cw_speed} wpm</span>
               </div>
               <div className="flex items-center gap-2">