Refactor packet monitoring to capture all traffic on wg0 and enhance logging for peer traffic detection

lib/services/protocol_blocking_service.dart

@@ -89,16 +89,14 @@ class ProtocolBlockingService {
   }
   
   static Future<void> _monitorPeerTraffic() async {
-    for (final peerIP in _activePeerIPs) {
+    // Capture ANY packet on wg0 interface and print it
     try {
-        // Capture any new outbound traffic from this peer
       final process = await Process.start('timeout', [
-          '0.1', // Very short timeout - just check for new packets
+        '0.1', // Very short timeout
         'tcpdump',
         '-i', 'wg0',
         '-c', '1',
-          '-l', // Line buffered
-          'src $peerIP and (tcp[tcpflags] & tcp-syn != 0 or udp)',
+        '-v', // Verbose
       ]);
       
       final output = <String>[];
@@ -110,14 +108,22 @@ class ProtocolBlockingService {
       process.kill();
       
       if (exitCode == 0 && output.isNotEmpty) {
-          final packetData = output.join();
+        final packetData = output.join().trim();
+        print('📦 PACKET DETECTED: $packetData');
+        
+        // Check if it's from our monitored peers
+        for (final peerIP in _activePeerIPs) {
+          if (packetData.contains(peerIP)) {
+            print('🎯 PEER TRAFFIC FROM $peerIP: $packetData');
             await _analyzeNewPacket(packetData, peerIP);
+            break;
+          }
+        }
       }
     } catch (e) {
-        // Ignore timeout errors - normal when no new packets
-        if (!e.toString().contains('timeout')) {
-          print('❌ Error monitoring peer $peerIP: $e');
-        }
+      // Ignore timeout errors - normal when no packets
+      if (!e.toString().contains('timeout') && !e.toString().contains('No such device')) {
+        print('❌ Error monitoring traffic: $e');
       }
     }
   }