feat: update app versioning and attribution

Author: Mathi4Raja

lib/src/screens/location_map_screen.dart

@@ -194,6 +194,15 @@ class _LocationMapScreenState extends State<LocationMapScreen> {
                     radiusKm: _settings.radiusKm.toDouble(),
                   ),
                 ),
+                RichAttributionWidget(
+                  alignment: AttributionAlignment.bottomLeft,
+                  attributions: [
+                    TextSourceAttribution(
+                      'OpenStreetMap contributors',
+                      onTap: () => launchUrl(Uri.parse('https://openstreetmap.org/copyright')),
+                    ),
+                  ],
+                ),
                 MarkerLayer(
                   markers: [
                     Marker(

lib/src/screens/menu/about_screen.dart

@@ -1,12 +1,13 @@
 import 'package:flutter/material.dart';
+import 'package:peerchat_secure/src/utils/app_version.dart';
 import 'package:peerchat_secure/src/utils/google_fonts.dart';
 import 'package:url_launcher/url_launcher.dart';
 import '../../theme.dart';
 
 class AboutScreen extends StatelessWidget {
   const AboutScreen({super.key});
 
-  static const String _appVersion = '1.0.1';
+  static const String _appVersion = AppVersion.version;
   static const String _baseUrl = 'https://peerchat.mathi.live';
   static const String _changelogUrl = '$_baseUrl/changelog';
   static const String _tosUrl = '$_baseUrl/tos';

lib/src/screens/menu/menu_screen.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:peerchat_secure/src/utils/app_version.dart';
 import 'package:peerchat_secure/src/utils/google_fonts.dart';
 import '../../theme.dart';
 import 'about_screen.dart';
@@ -75,7 +76,7 @@ class MenuScreen extends StatelessWidget {
                         ),
                       ),
                       Text(
-                        'Version 1.0.1 (Secure Mesh)',
+                        AppVersion.displayVersion,
                         style: GoogleFonts.inter(
                           fontSize: 12,
                           color: Colors.white.withValues(alpha: 0.8),

lib/src/utils/app_version.dart

@@ -0,0 +1,12 @@
+class AppVersion {
+  /// The current version of the application.
+  /// 
+  /// This should be kept in sync with the version in pubspec.yaml.
+  static const String version = '1.1.0';
+
+  /// The build name/codename for this release.
+  static const String codename = 'Secure Mesh';
+
+  /// Returns the formatted version string for display.
+  static String get displayVersion => 'Version $version ($codename)';
+}

others/sys_architecture.md

@@ -1,6 +1,6 @@
 PeerChat - System Architecture (Current)
 
-Last updated: February 25, 2026
+Last updated: May 11, 2026
 Source of truth: current implementation in lib/src/** and Android host glue.
 
 This document uses the original style: plain text and ASCII flow diagrams.

pubspec.yaml

@@ -1,7 +1,7 @@
 name: peerchat_secure
 description: A privacy-first P2P chat (MVP Flutter scaffold)
 publish_to: 'none'
-version: 1.0.1+1
+version: 1.1.0+1
 
 environment:
   sdk: '>=3.3.0 <4.0.0'

tools/build_release.ps1

@@ -8,6 +8,15 @@ $pubspec = Get-Content "pubspec.yaml" -Raw
 if ($pubspec -match "version:\s*([0-9.]+)") {
     $version = $Matches[1]
     Write-Host "Detected version: $version" -ForegroundColor Green
+
+    # Sync version to Dart utility
+    $versionFile = "lib/src/utils/app_version.dart"
+    if (Test-Path $versionFile) {
+        $content = Get-Content $versionFile -Raw
+        $newContent = $content -replace "static const String version = '.*';", "static const String version = '$version';"
+        $newContent | Set-Content $versionFile -NoNewline
+        Write-Host "Synced version to $versionFile" -ForegroundColor Green
+    }
 } else {
     Write-Host "Could not detect version from pubspec.yaml. Using 'unknown'." -ForegroundColor Yellow
     $version = "unknown"