Add burst sync and 10s auto sync option

lib/app.dart

@@ -153,7 +153,9 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
     );
     if (!connected) {
       ref.read(loggerProvider).w('Failed to connect node after retries.');
+      return;
     }
+    _scheduleBurstSync();
   }
 
   Future<bool> _connectAndSyncWithRetry(
@@ -182,6 +184,15 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
     return false;
   }
 
+  void _scheduleBurstSync() {
+    unawaited(
+      ref.read(syncSchedulerProvider).burstSync(
+            count: 4,
+            interval: const Duration(seconds: 2),
+          ),
+    );
+  }
+
   Future<void> _applyStartMinimized(AppConfig config) async {
     if (_didApplyStartMinimized) {
       return;

lib/domain/models.dart

@@ -302,7 +302,7 @@ class AppConfig {
       minimizeToTray: false,
       startMinimized: false,
       autoSync: true,
-      autoSyncInterval: const Duration(minutes: 1),
+      autoSyncInterval: const Duration(seconds: 10),
       languagePreference: LanguagePreference.system,
       hiddenSubaddresses: const {},
       localNodeArgs: const [],
@@ -365,7 +365,7 @@ class AppConfig {
       startMinimized: json['startMinimized'] as bool? ?? false,
       autoSync: json['autoSync'] as bool? ?? true,
       autoSyncInterval: Duration(
-        seconds: json['autoSyncIntervalSeconds'] as int? ?? 60,
+        seconds: json['autoSyncIntervalSeconds'] as int? ?? 10,
       ),
       languagePreference: LanguagePreference.values.firstWhere(
         (value) =>

lib/l10n/app_en.arb

@@ -363,6 +363,7 @@
   "syncSettingsTitle": "Auto sync",
   "autoSyncLabel": "Auto sync",
   "autoSyncIntervalLabel": "Interval",
+  "interval10s": "10 seconds",
   "interval30s": "30 seconds",
   "interval1m": "1 minute",
   "interval5m": "5 minutes",

lib/l10n/app_localizations.dart

@@ -1772,6 +1772,12 @@ abstract class AppLocalizations {
   /// **'Interval'**
   String get autoSyncIntervalLabel;
 
+  /// No description provided for @interval10s.
+  ///
+  /// In en, this message translates to:
+  /// **'10 seconds'**
+  String get interval10s;
+
   /// No description provided for @interval30s.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_en.dart

@@ -890,6 +890,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get autoSyncIntervalLabel => 'Interval';
 
+  @override
+  String get interval10s => '10 seconds';
+
   @override
   String get interval30s => '30 seconds';
 

lib/l10n/app_localizations_pl.dart

@@ -894,6 +894,9 @@ class AppLocalizationsPl extends AppLocalizations {
   @override
   String get autoSyncIntervalLabel => 'Interwał';
 
+  @override
+  String get interval10s => '10 sekund';
+
   @override
   String get interval30s => '30 sekund';
 

lib/l10n/app_pl.arb

@@ -363,6 +363,7 @@
   "syncSettingsTitle": "Auto sync",
   "autoSyncLabel": "Auto sync",
   "autoSyncIntervalLabel": "Interwał",
+  "interval10s": "10 sekund",
   "interval30s": "30 sekund",
   "interval1m": "1 minuta",
   "interval5m": "5 minut",

lib/services/sync_scheduler.dart

@@ -35,6 +35,18 @@ class SyncScheduler {
     }
   }
 
+  Future<void> burstSync({
+    int count = 4,
+    Duration interval = const Duration(seconds: 2),
+  }) async {
+    for (var i = 0; i < count; i++) {
+      await triggerSync();
+      if (i + 1 < count) {
+        await Future.delayed(interval);
+      }
+    }
+  }
+
   void dispose() {
     _timer?.cancel();
   }

lib/ui/screens/settings_screen.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:material_symbols_icons/material_symbols_icons.dart';
@@ -168,6 +170,7 @@ class SettingsScreen extends ConsumerWidget {
               }
             },
             items: const [
+              Duration(seconds: 10),
               Duration(seconds: 30),
               Duration(minutes: 1),
               Duration(minutes: 5),
@@ -210,6 +213,9 @@ class SettingsScreen extends ConsumerWidget {
 
   static String _intervalLabel(BuildContext context, Duration duration) {
     final l10n = context.l10n;
+    if (duration.inSeconds == 10) {
+      return l10n.interval10s;
+    }
     if (duration.inSeconds == 30) {
       return l10n.interval30s;
     }
@@ -224,12 +230,13 @@ class SettingsScreen extends ConsumerWidget {
 
   static Duration _resolveInterval(Duration value) {
     const options = [
+      Duration(seconds: 10),
       Duration(seconds: 30),
       Duration(minutes: 1),
       Duration(minutes: 5),
       Duration(minutes: 15),
     ];
-    return options.firstWhere((option) => option == value, orElse: () => options[1]);
+    return options.firstWhere((option) => option == value, orElse: () => options[0]);
   }
 }
 
@@ -410,6 +417,12 @@ class _LocalNodeControlsState extends ConsumerState<_LocalNodeControls> {
             }
             await Future.delayed(const Duration(seconds: 1));
           }
+          unawaited(
+            ref.read(syncSchedulerProvider).burstSync(
+                  count: 4,
+                  interval: const Duration(seconds: 2),
+                ),
+          );
         }
         return ok;
       },