Tighten desktop close handling and startup sync

lib/app.dart

@@ -165,6 +165,7 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
     AppConfig config, {
     required int attempts,
   }) async {
+    var sawConnected = false;
     for (var attempt = 0; attempt < attempts; attempt++) {
       try {
         await ref
@@ -176,15 +177,18 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
           return true;
         }
       } catch (_) {}
-      final connected = await ref.read(walletRepositoryProvider).isConnected();
-      if (connected) {
-        return true;
+      sawConnected = await ref.read(walletRepositoryProvider).isConnected();
+      if (sawConnected) {
+        final currentState = ref.read(walletControllerProvider);
+        if (currentState.syncStatus.lastSync != null) {
+          return true;
+        }
       }
       if (attempt + 1 < attempts) {
         await Future.delayed(const Duration(milliseconds: 500));
       }
     }
-    return false;
+    return sawConnected;
   }
 
   void _scheduleBurstSync() {

lib/services/window_lifecycle_service.dart

@@ -1,6 +1,5 @@
 import 'dart:io';
 
-import 'package:flutter/foundation.dart';
 import 'package:window_manager/window_manager.dart';
 
 import '../domain/models.dart';
@@ -20,7 +19,7 @@ class WindowLifecycleService with WindowListener {
   bool _isClosing = false;
 
   Future<void> init() async {
-    if (!Platform.isLinux || _initialized || kDebugMode) {
+    if (_initialized || !(Platform.isLinux || Platform.isWindows)) {
       return;
     }
     await windowManager.ensureInitialized();
@@ -34,11 +33,6 @@ class WindowLifecycleService with WindowListener {
     if (_isClosing) {
       return;
     }
-    final config = readConfig();
-    if (config.minimizeToTray && trayService.isAvailable) {
-      await trayService.hideWindow();
-      return;
-    }
     _isClosing = true;
     if (onBeforeClose != null) {
       final shouldContinue = await onBeforeClose!();
@@ -47,8 +41,14 @@ class WindowLifecycleService with WindowListener {
         return;
       }
     }
+    final config = readConfig();
+    if (config.minimizeToTray && trayService.isAvailable) {
+      await trayService.hideWindow();
+      _isClosing = false;
+      return;
+    }
     await windowManager.setPreventClose(false);
-    await windowManager.close();
+    await windowManager.destroy();
   }
 
   Future<void> dispose() async {

lib/ui/screens/settings_screen.dart

@@ -445,6 +445,7 @@ class _LocalNodeControlsState extends ConsumerState<_LocalNodeControls> {
         final nodeConfig = config.nodeConfig;
         final walletState = ref.read(walletControllerProvider);
         if (walletState.walletInfo != null && nodeConfig.mode == NodeMode.local) {
+          var sawConnected = false;
           for (var attempt = 0; attempt < 10; attempt++) {
             try {
               await ref.read(walletControllerProvider.notifier).connectNode(nodeConfig);
@@ -454,8 +455,9 @@ class _LocalNodeControlsState extends ConsumerState<_LocalNodeControls> {
                 break;
               }
             } catch (_) {}
-            final connected = await ref.read(walletRepositoryProvider).isConnected();
-            if (connected) {
+            sawConnected = await ref.read(walletRepositoryProvider).isConnected();
+            if (sawConnected &&
+                ref.read(walletControllerProvider).syncStatus.lastSync != null) {
               break;
             }
             if (attempt == 9) {
@@ -469,6 +471,10 @@ class _LocalNodeControlsState extends ConsumerState<_LocalNodeControls> {
                   interval: const Duration(seconds: 2),
                 ),
           );
+          if (!sawConnected &&
+              !(await ref.read(walletRepositoryProvider).isConnected())) {
+            return false;
+          }
         }
         return ok;
       },