Ukrainian translation polished; localized remaining hardcoded UI strings

lib/widgets/path_management_dialog.dart

@@ -147,7 +147,7 @@ class _PathManagementDialogState extends State<_PathManagementDialog> {
       context,
       availableContacts: availableContacts,
       initialPath: pathForInput.isEmpty ? null : pathForInput,
-      currentPathLabel: currentContact.pathLabel,
+      currentPathLabel: currentContact.pathLabel(l10n),
       onRefresh: connector.isConnected ? connector.getContacts : null,
     );
 
@@ -236,7 +236,7 @@ class _PathManagementDialogState extends State<_PathManagementDialog> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  l10n.path_currentPath(currentContact.pathLabel),
+                  l10n.path_currentPath(currentContact.pathLabel(l10n)),
                   style: const TextStyle(fontSize: 12, color: Colors.grey),
                 ),
                 const SizedBox(height: 12),

lib/widgets/path_selection_dialog.dart

@@ -311,7 +311,7 @@ class _PathSelectionDialogState extends State<PathSelectionDialog> {
                           style: const TextStyle(fontSize: 14),
                         ),
                         subtitle: Text(
-                          '${contact.typeLabel} • ${contact.publicKeyHex.substring(0, 2)}',
+                          '${contact.typeLabelLocalized(l10n)} • ${contact.publicKeyHex.substring(0, 2)}',
                           style: const TextStyle(fontSize: 10),
                         ),
                         trailing: isSelected

lib/widgets/qr_code_display.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 
+import '../l10n/l10n.dart';
+
 /// A reusable QR code display widget for sharing data.
 ///
 /// Features:
@@ -197,7 +199,7 @@ class QrCodeShareDialog extends StatelessWidget {
               width: double.infinity,
               child: FilledButton(
                 onPressed: () => Navigator.pop(context),
-                child: const Text('Done'),
+                child: Text(context.l10n.common_done),
               ),
             ),
           ],

lib/widgets/repeater_login_dialog.dart

@@ -467,7 +467,7 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
                   ),
                   const SizedBox(height: 4),
                   Text(
-                    repeater.pathLabel,
+                    repeater.pathLabel(context.l10n),
                     style: const TextStyle(fontSize: 11, color: Colors.grey),
                   ),
                   const SizedBox(height: 8),

lib/widgets/room_login_dialog.dart

@@ -393,7 +393,7 @@ class _RoomLoginDialogState extends State<RoomLoginDialog> {
                   ),
                   const SizedBox(height: 4),
                   Text(
-                    repeater.pathLabel,
+                    repeater.pathLabel(context.l10n),
                     style: const TextStyle(fontSize: 11, color: Colors.grey),
                   ),
                   const SizedBox(height: 8),