Add more warnings around radio config, stats loading, and packet decrypt (and remove accidentally committed script whoops)

frontend/src/components/settings/SettingsRadioSection.tsx

@@ -103,18 +103,36 @@ export function SettingsRadioSection({
 
   const handleSave = async () => {
     setError(null);
+
+    const parsedLat = parseFloat(lat);
+    const parsedLon = parseFloat(lon);
+    const parsedTxPower = parseInt(txPower, 10);
+    const parsedFreq = parseFloat(freq);
+    const parsedBw = parseFloat(bw);
+    const parsedSf = parseInt(sf, 10);
+    const parsedCr = parseInt(cr, 10);
+
+    if (
+      [parsedLat, parsedLon, parsedTxPower, parsedFreq, parsedBw, parsedSf, parsedCr].some(
+        (v) => isNaN(v)
+      )
+    ) {
+      setError('All numeric fields must have valid values');
+      return;
+    }
+
     setBusy(true);
 
     try {
       const update: RadioConfigUpdate = {
-        lat: parseFloat(lat),
-        lon: parseFloat(lon),
-        tx_power: parseInt(txPower, 10),
+        lat: parsedLat,
+        lon: parsedLon,
+        tx_power: parsedTxPower,
         radio: {
-          freq: parseFloat(freq),
-          bw: parseFloat(bw),
-          sf: parseInt(sf, 10),
-          cr: parseInt(cr, 10),
+          freq: parsedFreq,
+          bw: parsedBw,
+          sf: parsedSf,
+          cr: parsedCr,
         },
       };
       await onSave(update);

frontend/src/components/settings/SettingsStatisticsSection.tsx

@@ -6,10 +6,12 @@ import type { StatisticsResponse } from '../../types';
 export function SettingsStatisticsSection({ className }: { className?: string }) {
   const [stats, setStats] = useState<StatisticsResponse | null>(null);
   const [statsLoading, setStatsLoading] = useState(false);
+  const [statsError, setStatsError] = useState(false);
 
   useEffect(() => {
     let cancelled = false;
     setStatsLoading(true);
+    setStatsError(false);
     api.getStatistics().then(
       (data) => {
         if (!cancelled) {
@@ -18,7 +20,10 @@ export function SettingsStatisticsSection({ className }: { className?: string })
         }
       },
       () => {
-        if (!cancelled) setStatsLoading(false);
+        if (!cancelled) {
+          setStatsError(true);
+          setStatsLoading(false);
+        }
       }
     );
     return () => {
@@ -145,6 +150,8 @@ export function SettingsStatisticsSection({ className }: { className?: string })
             </>
           )}
         </div>
+      ) : statsError ? (
+        <div className="py-8 text-center text-muted-foreground">Failed to load statistics.</div>
       ) : null}
     </div>
   );