Rename Best RSSI to Strongest Neighbor. Closes #136.

frontend/src/components/RawPacketFeedView.tsx

@@ -171,24 +171,17 @@ function isNeighborIdentityResolvable(item: NeighborStat, contacts: Contact[]):
   return resolveContact(item.key, contacts) !== null;
 }
 
-function formatStrongestPacketDetail(
+function formatStrongestNeighborDetail(
   stats: ReturnType<typeof buildRawPacketStatsSnapshot>,
   contacts: Contact[]
 ): string | undefined {
-  if (!stats.strongestPacketPayloadType) {
+  const strongestNeighbor = stats.strongestNeighbors[0];
+  if (!strongestNeighbor || strongestNeighbor.bestRssi === null) {
     return undefined;
   }
 
-  const resolvedLabel =
-    resolveContactLabel(stats.strongestPacketSourceKey, contacts) ??
-    stats.strongestPacketSourceLabel;
-  if (resolvedLabel) {
-    return `${resolvedLabel} · ${stats.strongestPacketPayloadType}`;
-  }
-  if (stats.strongestPacketPayloadType === 'GroupText') {
-    return '<unknown sender> · GroupText';
-  }
-  return stats.strongestPacketPayloadType;
+  const resolvedNeighbor = resolveNeighbor(strongestNeighbor, contacts);
+  return `${formatRssi(resolvedNeighbor.bestRssi)} best heard`;
 }
 
 function getCoverageMessage(
@@ -450,8 +443,13 @@ export function RawPacketFeedView({
     [nowSec, rawPacketStatsSession, selectedWindow]
   );
   const coverageMessage = getCoverageMessage(stats, rawPacketStatsSession);
-  const strongestPacketDetail = useMemo(
-    () => formatStrongestPacketDetail(stats, contacts),
+  const strongestNeighbor = useMemo(() => {
+    const topNeighbor = stats.strongestNeighbors[0];
+    return topNeighbor ? resolveNeighbor(topNeighbor, contacts) : null;
+  }, [contacts, stats]);
+
+  const strongestNeighborDetail = useMemo(
+    () => formatStrongestNeighborDetail(stats, contacts),
     [contacts, stats]
   );
   const strongestNeighbors = useMemo(
@@ -578,9 +576,9 @@ export function RawPacketFeedView({
                   detail={`${formatPercent(stats.pathBearingRate)} path-bearing packets`}
                 />
                 <StatTile
-                  label="Best RSSI"
-                  value={formatRssi(stats.bestRssi)}
-                  detail={strongestPacketDetail ?? 'No signal sample in window'}
+                  label="Strongest Neighbor"
+                  value={strongestNeighbor?.label ?? '-'}
+                  detail={strongestNeighborDetail ?? 'No neighbor RSSI sample in window'}
                 />
                 <StatTile
                   label="Median RSSI"

frontend/src/test/messageParser.test.ts

@@ -124,7 +124,9 @@ describe('linked channel references', () => {
 
   it('ignores invalid or embedded channel-like text', () => {
     expect(
-      findLinkedChannelReferences('skip #Bad #bad--name abc#ops #ops- #opsRoom #ops_room #good-room,')
+      findLinkedChannelReferences(
+        'skip #Bad #bad--name abc#ops #ops- #opsRoom #ops_room #good-room,'
+      )
     ).toEqual([]);
   });
 });

frontend/src/test/rawPacketFeedView.test.tsx

@@ -283,6 +283,8 @@ describe('RawPacketFeedView', () => {
     fireEvent.click(screen.getByRole('button', { name: /show stats/i }));
     fireEvent.change(screen.getByLabelText('Stats window'), { target: { value: 'session' } });
     expect(screen.getAllByText('Alpha').length).toBeGreaterThan(0);
+    expect(screen.getByText('Strongest Neighbor')).toBeInTheDocument();
+    expect(screen.getByText('-70 dBm best heard')).toBeInTheDocument();
   });
 
   it('marks unresolved neighbor identities explicitly', () => {

frontend/src/utils/rawPacketStats.ts

@@ -106,9 +106,6 @@ export interface RawPacketStatsSnapshot {
   medianRssi: number | null;
   bestRssi: number | null;
   rssiBuckets: RankedPacketStat[];
-  strongestPacketSourceKey: string | null;
-  strongestPacketSourceLabel: string | null;
-  strongestPacketPayloadType: string | null;
   coverageSeconds: number;
   windowFullyCovered: boolean;
   oldestStoredTimestamp: number | null;
@@ -377,8 +374,6 @@ export function buildRawPacketStatsSnapshot(
     ['Weak (<-85 dBm)', 0],
   ]);
 
-  let strongestPacket: RawPacketStatsObservation | null = null;
-
   for (const packet of packets) {
     payloadCounts.set(packet.payloadType, (payloadCounts.get(packet.payloadType) ?? 0) + 1);
     routeCounts.set(packet.routeType, (routeCounts.get(packet.routeType) ?? 0) + 1);
@@ -436,10 +431,6 @@ export function buildRawPacketStatsSnapshot(
       } else {
         rssiBucketCounts.set('Weak (<-85 dBm)', (rssiBucketCounts.get('Weak (<-85 dBm)') ?? 0) + 1);
       }
-
-      if (!strongestPacket || strongestPacket.rssi === null || packet.rssi > strongestPacket.rssi) {
-        strongestPacket = packet;
-      }
     }
   }
 
@@ -527,9 +518,6 @@ export function buildRawPacketStatsSnapshot(
     medianRssi,
     bestRssi,
     rssiBuckets: rankedBreakdown(rssiBucketCounts, rssiValues.length),
-    strongestPacketSourceKey: strongestPacket?.sourceKey ?? null,
-    strongestPacketSourceLabel: strongestPacket?.sourceLabel ?? null,
-    strongestPacketPayloadType: strongestPacket?.payloadType ?? null,
     coverageSeconds,
     windowFullyCovered,
     oldestStoredTimestamp,