Add localization support for various UI elements and messages

- Integrated localization for alert dialogs, snack bars, and button labels in PacketLogScreen and SettingsScreen.
- Updated location tracking service messages to use localized strings.
- Enhanced ContactTile and DirectMessageSheet with localized text for user interactions.
- Implemented localization in DrawingLayer and DrawingToolbar for map-related actions.
- Updated SAR Update Sheet to utilize localized strings for user prompts and actions.
- Ensured consistent use of localization across all relevant widgets and screens.

lib/widgets/contacts/contact_tile.dart

@@ -11,6 +11,7 @@ import '../../providers/map_provider.dart';
 import 'direct_message_sheet.dart';
 import 'room_login_sheet.dart';
 import '../../utils/toast_logger.dart';
+import '../../l10n/app_localizations.dart';
 
 class ContactTile extends StatelessWidget {
   final Contact contact;
@@ -359,7 +360,7 @@ class ContactTile extends StatelessWidget {
     showDialog(
       context: context,
       builder: (context) => AlertDialog(
-        title: const Text('Delete Contact'),
+        title: Text(AppLocalizations.of(context)!.deleteContact),
         content: Text(
           'Are you sure you want to delete "${contact.displayName}"?\n\n'
           'This will remove the contact from both the app and the companion radio device.',
@@ -367,7 +368,7 @@ class ContactTile extends StatelessWidget {
         actions: [
           TextButton(
             onPressed: () => Navigator.pop(context),
-            child: const Text('Cancel'),
+            child: Text(AppLocalizations.of(context)!.cancel),
           ),
           TextButton(
             onPressed: () async {
@@ -376,7 +377,7 @@ class ContactTile extends StatelessWidget {
               await _deleteContact(context, contact);
             },
             style: TextButton.styleFrom(foregroundColor: Colors.red),
-            child: const Text('Delete'),
+            child: Text(AppLocalizations.of(context)!.delete),
           ),
         ],
       ),
@@ -504,9 +505,9 @@ class ContactTile extends StatelessWidget {
                           onTap: () {
                             Clipboard.setData(ClipboardData(text: contact.publicKeyHex));
                             ScaffoldMessenger.of(context).showSnackBar(
-                              const SnackBar(
-                                content: Text('Public key copied to clipboard'),
-                                duration: Duration(seconds: 2),
+                              SnackBar(
+                                content: Text(AppLocalizations.of(context)!.publicKeyCopied),
+                                duration: const Duration(seconds: 2),
                               ),
                             );
                           },
@@ -587,7 +588,7 @@ class ContactTile extends StatelessWidget {
                             DefaultTabController.of(context).animateTo(2);
                           },
                           icon: const Icon(Icons.map, size: 18),
-                          label: const Text('View on Map'),
+                          label: Text(AppLocalizations.of(context)!.viewOnMap),
                           style: TextButton.styleFrom(
                             padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                           ),
@@ -645,7 +646,7 @@ class ContactTile extends StatelessWidget {
                             ToastLogger.info(context, 'Requesting telemetry from ${contact.displayName}...');
                           },
                           icon: const Icon(Icons.refresh, size: 18),
-                          label: const Text('Refresh'),
+                          label: Text(AppLocalizations.of(context)!.refresh),
                           style: TextButton.styleFrom(
                             padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                           ),
@@ -688,7 +689,7 @@ class ContactTile extends StatelessWidget {
                           _showDirectMessageDialog(context, contact);
                         },
                         icon: const Icon(Icons.message),
-                        label: const Text('Send Direct Message'),
+                        label: Text(AppLocalizations.of(context)!.sendDirectMessage),
                         style: ElevatedButton.styleFrom(
                           padding: const EdgeInsets.symmetric(vertical: 14),
                           backgroundColor: _getTypeColor(contact.type, context),
@@ -705,7 +706,7 @@ class ContactTile extends StatelessWidget {
                           ToastLogger.info(context, 'Path reset for ${contact.displayName}. Next message will find a new route.');
                         },
                         icon: const Icon(Icons.route),
-                        label: const Text('Reset Path (Re-route)'),
+                        label: Text(AppLocalizations.of(context)!.resetPath),
                         style: OutlinedButton.styleFrom(
                           padding: const EdgeInsets.symmetric(vertical: 14),
                           side: BorderSide(color: _getTypeColor(contact.type, context)),
@@ -742,7 +743,7 @@ class ContactTile extends StatelessWidget {
                       child: OutlinedButton.icon(
                         onPressed: () => _showDeleteConfirmation(context, contact),
                         icon: const Icon(Icons.delete_outline),
-                        label: const Text('Delete Contact'),
+                        label: Text(AppLocalizations.of(context)!.deleteContact),
                         style: OutlinedButton.styleFrom(
                           padding: const EdgeInsets.symmetric(vertical: 14),
                           side: const BorderSide(color: Colors.red),
@@ -803,7 +804,7 @@ class ContactTile extends StatelessWidget {
               Clipboard.setData(ClipboardData(text: value));
               ScaffoldMessenger.of(context).showSnackBar(
                 SnackBar(
-                  content: Text('$label copied to clipboard'),
+                  content: Text(AppLocalizations.of(context)!.copiedToClipboard(label)),
                   duration: const Duration(seconds: 2),
                 ),
               );

lib/widgets/contacts/direct_message_sheet.dart

@@ -7,6 +7,7 @@ import '../../models/message.dart';
 import '../../providers/connection_provider.dart';
 import '../../providers/messages_provider.dart';
 import '../../utils/toast_logger.dart';
+import '../../l10n/app_localizations.dart';
 
 class DirectMessageSheet extends StatefulWidget {
   final Contact contact;
@@ -51,7 +52,7 @@ class _DirectMessageSheetState extends State<DirectMessageSheet> {
 
     if (!connectionProvider.deviceInfo.isConnected) {
       if (!mounted) return;
-      ToastLogger.error(context, 'Not connected to device');
+      ToastLogger.error(context, AppLocalizations.of(context)!.notConnectedToDevice);
       return;
     }
 
@@ -100,10 +101,10 @@ class _DirectMessageSheetState extends State<DirectMessageSheet> {
       if (!mounted) return;
       Navigator.pop(context); // Close the dialog
 
-      ToastLogger.success(context, 'Direct message sent to ${widget.contact.displayName}');
+      ToastLogger.success(context, AppLocalizations.of(context)!.directMessageSentTo(widget.contact.displayName));
     } catch (e) {
       if (!mounted) return;
-      ToastLogger.error(context, 'Failed to send: $e');
+      ToastLogger.error(context, AppLocalizations.of(context)!.failedToSend(e.toString()));
     }
   }
 
@@ -137,7 +138,7 @@ class _DirectMessageSheetState extends State<DirectMessageSheet> {
                   child: Column(
                     children: [
                       Text(
-                        'Direct Message',
+                        AppLocalizations.of(context)!.directMessage,
                         style: TextStyle(
                           color: colorScheme.onSurface,
                           fontSize: 18,
@@ -173,7 +174,7 @@ class _DirectMessageSheetState extends State<DirectMessageSheet> {
                 const SizedBox(width: 12),
                 Expanded(
                   child: Text(
-                    'This message will be sent directly to ${widget.contact.displayName}. It will also appear in the main messages feed.',
+                    AppLocalizations.of(context)!.directMessageInfo(widget.contact.displayName),
                     style: TextStyle(
                       color: Theme.of(context).colorScheme.onPrimaryContainer,
                       fontSize: 13,
@@ -210,7 +211,7 @@ class _DirectMessageSheetState extends State<DirectMessageSheet> {
                   maxLengthEnforcement: MaxLengthEnforcement.enforced,
                   style: TextStyle(color: colorScheme.onSurface),
                   decoration: InputDecoration(
-                    hintText: 'Type your message...',
+                    hintText: AppLocalizations.of(context)!.typeYourMessage,
                     hintStyle: TextStyle(color: colorScheme.onSurfaceVariant),
                     border: OutlineInputBorder(
                       borderRadius: BorderRadius.circular(12),
@@ -246,7 +247,7 @@ class _DirectMessageSheetState extends State<DirectMessageSheet> {
                         ? null
                         : _sendDirectMessage,
                     icon: const Icon(Icons.send),
-                    label: const Text('Send Direct Message'),
+                    label: Text(AppLocalizations.of(context)!.sendDirectMessage),
                     style: ElevatedButton.styleFrom(
                       padding: const EdgeInsets.symmetric(vertical: 14),
                       backgroundColor: colorScheme.primary,

lib/widgets/contacts/room_login_sheet.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import '../../l10n/app_localizations.dart';
 import '../../models/contact.dart';
 import '../../providers/connection_provider.dart';
 import '../../providers/contacts_provider.dart';
@@ -62,7 +63,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
       if (!mounted) return;
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
-          content: const Text('Please enter a password'),
+          content: Text(AppLocalizations.of(context)!.pleaseEnterPassword),
           backgroundColor: Theme.of(context).colorScheme.error,
         ),
       );
@@ -73,7 +74,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
       if (!mounted) return;
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
-          content: const Text('Not connected to device'),
+          content: Text(AppLocalizations.of(context)!.deviceNotConnected),
           backgroundColor: Theme.of(context).colorScheme.error,
         ),
       );
@@ -183,7 +184,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
 
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(
-            content: Text('Failed to sync contacts: $e'),
+            content: Text(AppLocalizations.of(context)!.failedToSyncContacts(e.toString())),
             backgroundColor: Theme.of(context).colorScheme.error,
           ),
         );
@@ -215,7 +216,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(
-            content: const Text('Logged in successfully! Waiting for room messages...'),
+            content: Text(AppLocalizations.of(context)!.loggedInSuccessfully),
             backgroundColor: Theme.of(context).colorScheme.primary,
             duration: const Duration(seconds: 3),
           ),
@@ -233,7 +234,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(
-            content: const Text('Login failed - incorrect password'),
+            content: Text(AppLocalizations.of(context)!.loginFailed),
             backgroundColor: Theme.of(context).colorScheme.error,
             duration: const Duration(seconds: 3),
           ),
@@ -255,7 +256,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
 
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
-          content: Text('Logging in to ${widget.contact.displayName}...'),
+          content: Text(AppLocalizations.of(context)!.loggingIn(widget.contact.displayName)),
           backgroundColor: Theme.of(context).colorScheme.primary,
           duration: const Duration(seconds: 2),
         ),
@@ -268,7 +269,7 @@ class _RoomLoginSheetState extends State<RoomLoginSheet> {
       if (!mounted) return;
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
-          content: Text('Failed to send login: $e'),
+          content: Text(AppLocalizations.of(context)!.failedToSendLogin(e.toString())),
           backgroundColor: Theme.of(context).colorScheme.error,
         ),
       );