Refactor ranking calculation for direct repeaters and update path handling in channel message screens

lib/connector/meshcore_connector.dart

@@ -59,13 +59,12 @@ class DirectRepeater {
       return -1; // Stale repeaters get lowest rank
     }
     // Higher SNR gets higher rank and recency within maxAgeMinutes breaks ties.
-    final snrOffset = snr + 31.75;
     final ageMs =
         DateTime.now().millisecondsSinceEpoch -
         lastUpdated.millisecondsSinceEpoch;
     final maxAgeMs = maxAgeMinutes * 60 * 1000;
     final recencyScore = (maxAgeMs - ageMs).clamp(0, maxAgeMs);
-    return (snrOffset * 1000).round() + recencyScore;
+    return (snr * snr).round() + recencyScore;
   }
 
   bool isStale() {

lib/screens/channel_chat_screen.dart

@@ -901,7 +901,8 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
     Navigator.push(
       context,
       MaterialPageRoute(
-        builder: (context) => ChannelMessagePathScreen(message: message),
+        builder: (context) =>
+            ChannelMessagePathScreen(message: message, channelMessage: true),
       ),
     );
   }

lib/screens/channel_message_path_screen.dart

@@ -17,18 +17,27 @@ import '../models/contact.dart';
 
 class ChannelMessagePathScreen extends StatelessWidget {
   final ChannelMessage message;
-
-  const ChannelMessagePathScreen({super.key, required this.message});
+  final bool channelMessage;
+  const ChannelMessagePathScreen({
+    super.key,
+    required this.message,
+    this.channelMessage = false,
+  });
 
   @override
   Widget build(BuildContext context) {
     return Consumer<MeshCoreConnector>(
       builder: (context, connector, _) {
         final l10n = context.l10n;
-        final primaryPath = _selectPrimaryPath(
+        final primaryPathTmp = _selectPrimaryPath(
           message.pathBytes,
           message.pathVariants,
         );
+
+        final primaryPath = !channelMessage && !message.isOutgoing
+            ? Uint8List.fromList(primaryPathTmp.reversed.toList())
+            : primaryPathTmp;
+
         final hops = _buildPathHops(primaryPath, connector.contacts, l10n);
         final hasHopDetails = primaryPath.isNotEmpty;
         final observedLabel = _formatObservedHops(
@@ -37,7 +46,6 @@ class ChannelMessagePathScreen extends StatelessWidget {
           l10n,
         );
         final extraPaths = _otherPaths(primaryPath, message.pathVariants);
-
         return Scaffold(
           appBar: AppBar(
             title: Text(l10n.channelPath_title),
@@ -50,9 +58,9 @@ class ChannelMessagePathScreen extends StatelessWidget {
                   MaterialPageRoute(
                     builder: (context) => PathTraceMapScreen(
                       title: context.l10n.contacts_repeaterPathTrace,
-                      path: Uint8List.fromList(primaryPath),
+                      path: primaryPath,
                       flipPathRound: true,
-                      reversePathRound: true,
+                      reversePathRound: !message.isOutgoing,
                     ),
                   ),
                 ),
@@ -62,7 +70,7 @@ class ChannelMessagePathScreen extends StatelessWidget {
                 tooltip: l10n.channelPath_viewMap,
                 onPressed: hasHopDetails
                     ? () {
-                        _openPathMap(context);
+                        _openPathMap(context, channelMessage: channelMessage);
                       }
                     : null,
               ),
@@ -248,13 +256,18 @@ class ChannelMessagePathScreen extends StatelessWidget {
     );
   }
 
-  void _openPathMap(BuildContext context, {Uint8List? initialPath}) {
+  void _openPathMap(
+    BuildContext context, {
+    Uint8List? initialPath,
+    bool channelMessage = false,
+  }) {
     Navigator.push(
       context,
       MaterialPageRoute(
         builder: (context) => ChannelMessagePathMapScreen(
           message: message,
           initialPath: initialPath,
+          channelMessage: channelMessage,
         ),
       ),
     );
@@ -264,11 +277,13 @@ class ChannelMessagePathScreen extends StatelessWidget {
 class ChannelMessagePathMapScreen extends StatefulWidget {
   final ChannelMessage message;
   final Uint8List? initialPath;
+  final bool channelMessage;
 
   const ChannelMessagePathMapScreen({
     super.key,
     required this.message,
     this.initialPath,
+    this.channelMessage = false,
   });
 
   @override
@@ -323,11 +338,16 @@ class _ChannelMessagePathMapScreenState
           primaryPath,
           widget.message.pathVariants,
         );
-        final selectedPath = _resolveSelectedPath(
+        final selectedPathTmp = _resolveSelectedPath(
           _selectedPath,
           observedPaths,
           primaryPath,
         );
+
+        final selectedPath = !widget.channelMessage && widget.message.isOutgoing
+            ? Uint8List.fromList(selectedPathTmp.reversed.toList())
+            : selectedPathTmp;
+
         final selectedIndex = _indexForPath(selectedPath, observedPaths);
         final hops = _buildPathHops(
           selectedPath,

lib/screens/map_screen.dart

@@ -105,7 +105,7 @@ class _MapScreenState extends State<MapScreen> {
   double _zoomFromStdDev(double latStdDev, double lonStdDev) {
     final maxSpread = max(latStdDev, lonStdDev);
     if (maxSpread <= 0) return 13.0;
-    // Approzimate: each zoom level halves the visible area
+    // Approximate: each zoom level halves the visible area
     // ~0.01 degrees spread -> zoom 13, ~0.1 -> zoom 10, ~1.0 -> zoom 7
     final zoom = 10.0 - log(maxSpread * 10 + 1) / ln10 * 3;
     return zoom.clamp(4.0, 15.0);
@@ -825,7 +825,7 @@ class _MapScreenState extends State<MapScreen> {
               color: _getNodeColor(contact.type),
             ),
             const SizedBox(width: 8),
-            Expanded(child: Text(contact.name)),
+            Expanded(child: SelectableText(contact.name)),
           ],
         ),
         content: Column(
@@ -996,7 +996,7 @@ class _MapScreenState extends State<MapScreen> {
             ),
           ),
           const SizedBox(height: 2),
-          Text(value, style: const TextStyle(fontSize: 14)),
+          SelectableText(value, style: const TextStyle(fontSize: 14)),
         ],
       ),
     );

lib/screens/path_trace_map.dart

@@ -46,6 +46,7 @@ class PathTraceData {
 class PathTraceMapScreen extends StatefulWidget {
   final String title;
   final Uint8List path;
+  final int? repeaterId;
   final bool flipPathRound;
   final bool reversePathRound;
 
@@ -53,6 +54,7 @@ class PathTraceMapScreen extends StatefulWidget {
     super.key,
     required this.title,
     required this.path,
+    this.repeaterId,
     this.flipPathRound = false,
     this.reversePathRound = false,
   });
@@ -97,7 +99,7 @@ class _PathTraceMapScreenState extends State<PathTraceMapScreen> {
     super.dispose();
   }
 
-  Uint8List addReturnpath(Uint8List pathBytes) {
+  Uint8List addReturnPath(Uint8List pathBytes) {
     Uint8List? traceBytes;
     final len = (pathBytes.length + pathBytes.length - 1);
     traceBytes = Uint8List(len);
@@ -125,11 +127,13 @@ class _PathTraceMapScreenState extends State<PathTraceMapScreen> {
         : widget.path;
 
     if (widget.flipPathRound) {
-      path = addReturnpath(pathTmp);
+      path = addReturnPath(pathTmp);
     } else {
       path = pathTmp;
     }
 
+    print('Initiating path trace with path: ${_formatPathPrefixes(path)}');
+
     final connector = Provider.of<MeshCoreConnector>(context, listen: false);
     final frame = buildTraceReq(
       DateTime.now().millisecondsSinceEpoch ~/ 1000,