feat: add device info to log export

- Add exportWithDeviceInfo() method to LogBuffer
- Include app version, build number in export
- Include device info: manufacturer, model, OS version, SDK level
- Include log summary with counts by level
- Update copy/share logs to use new method with device info

lib/screens/settings/log_screen.dart

@@ -65,21 +65,23 @@ class _LogScreenState extends State<LogScreen> {
     );
   }
 
-  void _copyLogs() {
-    final logs = LogBuffer().export();
+  void _copyLogs() async {
+    final logs = await LogBuffer().exportWithDeviceInfo();
     Clipboard.setData(ClipboardData(text: logs));
-    ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(
-        content: Text(context.l10n.logCopied),
-        behavior: SnackBarBehavior.floating,
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-        duration: const Duration(seconds: 2),
-      ),
-    );
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(context.l10n.logCopied),
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+          duration: const Duration(seconds: 2),
+        ),
+      );
+    }
   }
 
-  void _shareLogs() {
-    final logs = LogBuffer().export();
+  void _shareLogs() async {
+    final logs = await LogBuffer().exportWithDeviceInfo();
     SharePlus.instance.share(ShareParams(text: logs, subject: 'SpotiFLAC Logs'));
   }
 

lib/utils/logger.dart

@@ -1,7 +1,10 @@
 import 'dart:async';
 import 'dart:collection';
+import 'dart:io';
 import 'package:flutter/foundation.dart';
 import 'package:logger/logger.dart';
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:spotiflac_android/constants/app_info.dart';
 import 'package:spotiflac_android/services/platform_bridge.dart';
 
 class LogEntry {
@@ -151,6 +154,97 @@ class LogBuffer extends ChangeNotifier {
     return buffer.toString();
   }
 
+  /// Export logs with device information for debugging
+  Future<String> exportWithDeviceInfo() async {
+    final buffer = StringBuffer();
+    
+    buffer.writeln('=' * 60);
+    buffer.writeln('SPOTIFLAC LOG EXPORT');
+    buffer.writeln('=' * 60);
+    buffer.writeln();
+    
+    buffer.writeln('--- App Information ---');
+    buffer.writeln('App Version: ${AppInfo.version} (Build ${AppInfo.buildNumber})');
+    buffer.writeln('Generated: ${DateTime.now().toIso8601String()}');
+    buffer.writeln();
+    
+    buffer.writeln('--- Device Information ---');
+    try {
+      final deviceInfo = DeviceInfoPlugin();
+      
+      if (Platform.isAndroid) {
+        final android = await deviceInfo.androidInfo;
+        buffer.writeln('Platform: Android');
+        buffer.writeln('Device: ${android.manufacturer} ${android.model}');
+        buffer.writeln('Brand: ${android.brand}');
+        buffer.writeln('Android Version: ${android.version.release} (SDK ${android.version.sdkInt})');
+        buffer.writeln('Device ID: ${android.id}');
+        buffer.writeln('Hardware: ${android.hardware}');
+        buffer.writeln('Product: ${android.product}');
+        buffer.writeln('Supported ABIs: ${android.supportedAbis.join(', ')}');
+        buffer.writeln('Is Physical Device: ${android.isPhysicalDevice}');
+      } else if (Platform.isIOS) {
+        final ios = await deviceInfo.iosInfo;
+        buffer.writeln('Platform: iOS');
+        buffer.writeln('Device: ${ios.utsname.machine}');
+        buffer.writeln('Model: ${ios.model}');
+        buffer.writeln('System Name: ${ios.systemName}');
+        buffer.writeln('System Version: ${ios.systemVersion}');
+        buffer.writeln('Device Name: ${ios.name}');
+        buffer.writeln('Is Physical Device: ${ios.isPhysicalDevice}');
+      }
+    } catch (e) {
+      buffer.writeln('Failed to get device info: $e');
+    }
+    buffer.writeln();
+    
+    buffer.writeln('--- Log Summary ---');
+    buffer.writeln('Total Entries: ${_entries.length}');
+    
+    int errorCount = 0;
+    int warnCount = 0;
+    int infoCount = 0;
+    int debugCount = 0;
+    int goCount = 0;
+    
+    for (final entry in _entries) {
+      switch (entry.level) {
+        case 'ERROR':
+        case 'FATAL':
+          errorCount++;
+          break;
+        case 'WARN':
+          warnCount++;
+          break;
+        case 'INFO':
+          infoCount++;
+          break;
+        case 'DEBUG':
+          debugCount++;
+          break;
+      }
+      if (entry.isFromGo) goCount++;
+    }
+    
+    buffer.writeln('Errors: $errorCount');
+    buffer.writeln('Warnings: $warnCount');
+    buffer.writeln('Info: $infoCount');
+    buffer.writeln('Debug: $debugCount');
+    buffer.writeln('From Go Backend: $goCount');
+    buffer.writeln();
+    
+    buffer.writeln('=' * 60);
+    buffer.writeln('LOG ENTRIES');
+    buffer.writeln('=' * 60);
+    buffer.writeln();
+    
+    for (final entry in _entries) {
+      buffer.writeln(entry.toString());
+    }
+    
+    return buffer.toString();
+  }
+
   List<LogEntry> filter({String? level, String? tag, String? search}) {
     final tagLower = tag?.toLowerCase();
     final searchLower = search?.toLowerCase();