fix: download lotw only for current callsign in case

of mixed logs (tm2q & f4bpo in same log)

frontend/src/components/QSLManagerModal.tsx

@@ -6,7 +6,7 @@ import {
   Select, SelectTrigger, SelectValue, SelectContent, SelectItem,
 } from '@/components/ui/select';
 import { cn } from '@/lib/utils';
-import { FindQSOsForUpload, UploadQSOsManual, DownloadConfirmations, SyncPOTAHunterLog, ListQSO, BulkUpdateQSL } from '../../wailsjs/go/main/App';
+import { FindQSOsForUpload, UploadQSOsManual, DownloadConfirmations, SyncPOTAHunterLog, ListQSO, BulkUpdateQSL, UploadCallsign } from '../../wailsjs/go/main/App';
 import { Input } from '@/components/ui/input';
 import { EventsOn } from '../../wailsjs/runtime/runtime';
 
@@ -77,6 +77,14 @@ export function fmtQslDate(s?: string): string {
 // and download confirmations, while the rest of the app stays usable.
 export function QSLManagerPanel({ onEditQSO }: { onEditQSO?: (id: number) => void } = {}) {
   const [service, setService] = useState('lotw');
+  // The callsign this profile signs/uploads/downloads as for the selected
+  // service (Force station callsign, else the profile call). Shown so the user
+  // knows WHICH of their calls a download/upload targets in a mixed-call log.
+  const [uploadCall, setUploadCall] = useState('');
+  useEffect(() => {
+    if (service === 'pota' || service === 'paper') { setUploadCall(''); return; }
+    UploadCallsign(service).then((c) => setUploadCall(c || '')).catch(() => setUploadCall(''));
+  }, [service]);
   const [potaSyncing, setPotaSyncing] = useState(false);
   const [potaRes, setPotaRes] = useState<POTASync | null>(null);
   const [potaErr, setPotaErr] = useState('');
@@ -251,6 +259,17 @@ export function QSLManagerPanel({ onEditQSO }: { onEditQSO?: (id: number) => voi
             <SelectContent>{SERVICES.map((s) => <SelectItem key={s.v} value={s.v}>{s.label}</SelectItem>)}</SelectContent>
           </Select>
         </div>
+        {uploadCall && (
+          <div className="flex flex-col gap-1">
+            <label className="text-[10px] uppercase tracking-wider text-muted-foreground">Callsign</label>
+            <span
+              className="h-8 inline-flex items-center rounded border border-border bg-muted/40 px-2 font-mono text-sm font-semibold"
+              title="Upload/download is scoped to this callsign (Force station callsign, else the active profile's call)"
+            >
+              {uploadCall}
+            </span>
+          </div>
+        )}
         {service === 'pota' ? (
           <>
             <Button size="sm" className="h-8" onClick={syncPota} disabled={potaSyncing}>