Enhance traffic capture testing with longer timeouts and additional checks

lib/services/protocol_blocking_service.dart

@@ -187,12 +187,15 @@ class ProtocolBlockingService {
           return;
         }
         
-        // Test very basic traffic capture from peer
+        print('🔍 Testing live traffic capture for peer $peerIP...');
+        
+        // Test very basic traffic capture from peer - longer timeout
         final process = await Process.start('timeout', [
-          '3',
+          '10', // Longer timeout to catch browsing traffic
           'tcpdump',
           '-i', 'wg0',
-          '-c', '1',
+          '-c', '5', // Capture multiple packets
+          '-v', // Verbose output
           'host $peerIP',
         ]);
         
@@ -205,11 +208,36 @@ class ProtocolBlockingService {
         process.kill();
         
         if (exitCode == 0 && output.isNotEmpty) {
-          print('✅ Can see traffic from peer $peerIP on wg0');
+          print('✅ LIVE TRAFFIC DETECTED from peer $peerIP:');
-          print('   Sample: ${output.join().trim()}');
+          print('${output.join().trim()}');
+          print('───────────────────────────────────────');
         } else {
-          print('❌ No traffic detected from peer $peerIP on wg0 in 3 seconds');
+          print('❌ No traffic detected from peer $peerIP in 10 seconds');
-          print('   This suggests the peer is inactive or traffic routing issue');
+          print('   Try browsing a website now...');
+          
+          // Also test ANY traffic on wg0
+          print('🔍 Testing if wg0 interface has ANY traffic...');
+          final anyTrafficProcess = await Process.start('timeout', [
+            '5',
+            'tcpdump',
+            '-i', 'wg0',
+            '-c', '3',
+          ]);
+          
+          final anyOutput = <String>[];
+          await for (final data in anyTrafficProcess.stdout) {
+            anyOutput.add(String.fromCharCodes(data));
+          }
+          
+          final anyExitCode = await anyTrafficProcess.exitCode;
+          anyTrafficProcess.kill();
+          
+          if (anyExitCode == 0 && anyOutput.isNotEmpty) {
+            print('✅ wg0 has traffic, but not from expected peer IP:');
+            print('${anyOutput.join().trim()}');
+          } else {
+            print('❌ No traffic at all on wg0 interface');
+          }
         }
       } catch (e) {
         print('❌ Error testing peer $peerIP connectivity: $e');