diff --git a/lib/app_shell.dart b/lib/app_shell.dart
index 053c720..32e4736 100644
--- a/lib/app_shell.dart
+++ b/lib/app_shell.dart
@@ -780,7 +780,9 @@ class _HomeShellState extends State<HomeShell> {
 
     setState(() => workspaceSyncing = true);
     try {
-      final baseUri = Uri.parse(normalizeJarvisUrl(widget.jarvisSettings.apiUrl));
+      final baseUri = Uri.parse(
+        normalizeJarvisUrl(widget.jarvisSettings.apiUrl),
+      );
       final response = await http
           .get(
             baseUri.resolve('/api/workspace/state'),
@@ -847,7 +849,9 @@ class _HomeShellState extends State<HomeShell> {
 
     setState(() => workspaceSyncing = true);
     try {
-      final baseUri = Uri.parse(normalizeJarvisUrl(widget.jarvisSettings.apiUrl));
+      final baseUri = Uri.parse(
+        normalizeJarvisUrl(widget.jarvisSettings.apiUrl),
+      );
       final stateJson = jsonEncode({
         'version': 1,
         'updatedAt': DateTime.now().toIso8601String(),
@@ -879,9 +883,9 @@ class _HomeShellState extends State<HomeShell> {
 
   void _showWorkspaceMessage(String message) {
     if (!mounted) return;
-    ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(content: Text(message)),
-    );
+    ScaffoldMessenger.of(
+      context,
+    ).showSnackBar(SnackBar(content: Text(message)));
   }
 
   Future<JarvisSettings> _registerJarvisDevice(
@@ -1133,6 +1137,15 @@ class _HomeShellState extends State<HomeShell> {
   }
 
   void _assignSyncedEventToPerson(CalendarEvent event, Person person) {
+    if (widget.googleConnections.isNotEmpty) {
+      final currentConnection = widget.googleConnections.first;
+      final nextEventPersonIds = {...currentConnection.eventPersonIds};
+      nextEventPersonIds[importedEventKey(event)] = person.id;
+      widget.onGoogleConnectionsChanged([
+        currentConnection.copyWith(eventPersonIds: nextEventPersonIds),
+      ]);
+    }
+
     final nextSyncedEvents = widget.syncedEvents
         .map(
           (item) => sameImportedEvent(item, event)
diff --git a/lib/data.dart b/lib/data.dart
index 51af728..76ffff3 100644
--- a/lib/data.dart
+++ b/lib/data.dart
@@ -310,6 +310,7 @@ class GoogleCalendarConnection {
     required this.accountEmail,
     required this.enabledCalendarIds,
     this.calendarPersonIds = const {},
+    this.eventPersonIds = const {},
     required this.lastSync,
   });
 
@@ -317,12 +318,14 @@ class GoogleCalendarConnection {
   final String accountEmail;
   final List<String> enabledCalendarIds;
   final Map<String, String> calendarPersonIds;
+  final Map<String, String> eventPersonIds;
   final DateTime? lastSync;
 
   GoogleCalendarConnection copyWith({
     String? accountEmail,
     List<String>? enabledCalendarIds,
     Map<String, String>? calendarPersonIds,
+    Map<String, String>? eventPersonIds,
     DateTime? lastSync,
   }) {
     return GoogleCalendarConnection(
@@ -330,6 +333,7 @@ class GoogleCalendarConnection {
       accountEmail: accountEmail ?? this.accountEmail,
       enabledCalendarIds: enabledCalendarIds ?? this.enabledCalendarIds,
       calendarPersonIds: calendarPersonIds ?? this.calendarPersonIds,
+      eventPersonIds: eventPersonIds ?? this.eventPersonIds,
       lastSync: lastSync ?? this.lastSync,
     );
   }
@@ -337,6 +341,7 @@ class GoogleCalendarConnection {
   factory GoogleCalendarConnection.fromJson(Map<String, dynamic> json) {
     final rawCalendarIds = json['enabledCalendarIds'];
     final rawCalendarPersonIds = json['calendarPersonIds'];
+    final rawEventPersonIds = json['eventPersonIds'];
     return GoogleCalendarConnection(
       id: json['id'] as String? ?? uniqueId(),
       accountEmail: json['accountEmail'] as String? ?? '',
@@ -348,6 +353,11 @@ class GoogleCalendarConnection {
               (key, value) => MapEntry(key.toString(), value.toString()),
             )
           : const {},
+      eventPersonIds: rawEventPersonIds is Map
+          ? rawEventPersonIds.map(
+              (key, value) => MapEntry(key.toString(), value.toString()),
+            )
+          : const {},
       lastSync: DateTime.tryParse(json['lastSync'] as String? ?? ''),
     );
   }
@@ -357,6 +367,7 @@ class GoogleCalendarConnection {
     'accountEmail': accountEmail,
     'enabledCalendarIds': enabledCalendarIds,
     'calendarPersonIds': calendarPersonIds,
+    'eventPersonIds': eventPersonIds,
     'lastSync': lastSync?.toIso8601String(),
   };
 }
@@ -380,16 +391,15 @@ class GoogleCalendarInfo {
     final backgroundColor = json['backgroundColor'] as String?;
     return GoogleCalendarInfo(
       id: json['id'] as String? ?? 'primary',
-      name: json['summaryOverride'] as String? ??
+      name:
+          json['summaryOverride'] as String? ??
           json['summary'] as String? ??
           'N\u00e9vtelen Google napt\u00e1r',
-      description: [
-        json['description'] as String?,
-        json['accessRole'] as String?,
-      ]
-          .whereType<String>()
-          .where((part) => part.trim().isNotEmpty)
-          .join(' \u00b7 '),
+      description:
+          [json['description'] as String?, json['accessRole'] as String?]
+              .whereType<String>()
+              .where((part) => part.trim().isNotEmpty)
+              .join(' \u00b7 '),
       color: parseGoogleColor(backgroundColor),
       primary: json['primary'] == true,
     );
diff --git a/lib/google_calendar_page.dart b/lib/google_calendar_page.dart
index 16bdc6a..937c47e 100644
--- a/lib/google_calendar_page.dart
+++ b/lib/google_calendar_page.dart
@@ -26,7 +26,8 @@ class AccountsPage extends StatefulWidget {
   State<AccountsPage> createState() => _AccountsPageState();
 }
 
-class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver {
+class _AccountsPageState extends State<AccountsPage>
+    with WidgetsBindingObserver {
   List<GoogleCalendarInfo> googleCalendars = [];
   bool loadingCalendars = false;
   bool syncing = false;
@@ -89,7 +90,10 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
 
   Uri _jarvisUri(String path, [Map<String, String?> query = const {}]) {
     final baseUri = Uri.parse(normalizeJarvisUrl(widget.jarvisSettings.apiUrl));
-    return baseUri.replace(path: path, queryParameters: query.isEmpty ? null : query);
+    return baseUri.replace(
+      path: path,
+      queryParameters: query.isEmpty ? null : query,
+    );
   }
 
   String? _jarvisConfigError() {
@@ -121,7 +125,9 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
           .get(_jarvisUri('/api/google/oauth/status'), headers: _jarvisHeaders)
           .timeout(const Duration(seconds: 10));
       if (response.statusCode != 200) {
-        throw Exception('JARVIS status ${response.statusCode}: ${response.body}');
+        throw Exception(
+          'JARVIS status ${response.statusCode}: ${response.body}',
+        );
       }
       final payload = jsonDecode(response.body);
       if (payload is! Map<String, dynamic>) {
@@ -137,6 +143,7 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
             accountEmail: email ?? current?.accountEmail ?? 'Google fi\u00f3k',
             enabledCalendarIds: current?.enabledCalendarIds ?? const [],
             calendarPersonIds: current?.calendarPersonIds ?? const {},
+            eventPersonIds: current?.eventPersonIds ?? const {},
             lastSync: current?.lastSync,
           ),
         ]);
@@ -152,7 +159,8 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
       if (!mounted) return;
       setState(() {
         loadingCalendars = false;
-        statusMessage = 'JARVIS Google kapcsolat nem el\u00e9rhet\u0151: $error';
+        statusMessage =
+            'JARVIS Google kapcsolat nem el\u00e9rhet\u0151: $error';
       });
     }
   }
@@ -160,7 +168,8 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
   Future<void> _startGoogleConnection() async {
     setState(() {
       loadingCalendars = true;
-      statusMessage = 'Google \u00f6sszek\u00f6t\u00e9s ind\u00edt\u00e1sa JARVIS-on...';
+      statusMessage =
+          'Google \u00f6sszek\u00f6t\u00e9s ind\u00edt\u00e1sa JARVIS-on...';
     });
 
     final configError = _jarvisConfigError();
@@ -176,17 +185,27 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
           .get(_jarvisUri('/api/google/oauth/start'), headers: _jarvisHeaders)
           .timeout(const Duration(seconds: 10));
       if (response.statusCode != 200) {
-        throw Exception('JARVIS OAuth ${response.statusCode}: ${response.body}');
+        throw Exception(
+          'JARVIS OAuth ${response.statusCode}: ${response.body}',
+        );
       }
       final payload = jsonDecode(response.body);
-      if (payload is! Map<String, dynamic>) throw Exception('Hib\u00e1s JARVIS v\u00e1lasz.');
+      if (payload is! Map<String, dynamic>) {
+        throw Exception('Hib\u00e1s JARVIS v\u00e1lasz.');
+      }
       final url = payload['authorizationUrl'] as String?;
-      if (url == null || url.isEmpty) throw Exception('Hi\u00e1nyzik az OAuth URL.');
+      if (url == null || url.isEmpty) {
+        throw Exception('Hi\u00e1nyzik az OAuth URL.');
+      }
       final launched = await launchUrl(
         Uri.parse(url),
         mode: LaunchMode.externalApplication,
       );
-      if (!launched) throw Exception('Nem siker\u00fclt megnyitni a b\u00f6ng\u00e9sz\u0151t.');
+      if (!launched) {
+        throw Exception(
+          'Nem siker\u00fclt megnyitni a b\u00f6ng\u00e9sz\u0151t.',
+        );
+      }
       if (!mounted) return;
       setState(() {
         waitingForGoogleAuthReturn = true;
@@ -198,7 +217,8 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
       if (!mounted) return;
       setState(() {
         loadingCalendars = false;
-        statusMessage = 'Google \u00f6sszek\u00f6t\u00e9s nem indult el: $error';
+        statusMessage =
+            'Google \u00f6sszek\u00f6t\u00e9s nem indult el: $error';
       });
     }
   }
@@ -243,6 +263,7 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
             accountEmail: 'Google Calendar',
             enabledCalendarIds: const [],
             calendarPersonIds: const {},
+            eventPersonIds: const {},
             lastSync: null,
           ),
         ]);
@@ -290,6 +311,17 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
           .toList();
       final synced = <CalendarEvent>[];
       final syncDetails = <String>[];
+      final eventPersonOverrides = {...current.eventPersonIds};
+      for (final cachedEvent in widget.cachedEvents) {
+        if (!cachedEvent.isSynced || cachedEvent.personId == null) continue;
+        final defaultPersonId =
+            current.calendarPersonIds[cachedEvent.calendarId];
+        if (cachedEvent.personId == defaultPersonId) continue;
+        eventPersonOverrides.putIfAbsent(
+          importedEventKey(cachedEvent),
+          () => cachedEvent.personId!,
+        );
+      }
       final now = DateTime.now();
       final start = DateTime(
         now.year,
@@ -299,19 +331,18 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
       final end = start.add(const Duration(days: 180));
 
       for (final calendar in selectedCalendars) {
-        final uri = _jarvisUri(
-          '/api/google/events',
-          {
-            'calendarId': calendar.id,
-            'timeMin': start.toUtc().toIso8601String(),
-            'timeMax': end.toUtc().toIso8601String(),
-          },
-        );
+        final uri = _jarvisUri('/api/google/events', {
+          'calendarId': calendar.id,
+          'timeMin': start.toUtc().toIso8601String(),
+          'timeMax': end.toUtc().toIso8601String(),
+        });
         final response = await http
             .get(uri, headers: _jarvisHeaders)
             .timeout(const Duration(seconds: 20));
         if (response.statusCode != 200) {
-          throw Exception('${calendar.name}: Events API ${response.statusCode}');
+          throw Exception(
+            '${calendar.name}: Events API ${response.statusCode}',
+          );
         }
 
         final payload = jsonDecode(response.body);
@@ -323,13 +354,12 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
         syncDetails.add('${calendar.name}: ${events.length}');
         for (final event in events) {
           if (event['status'] == 'cancelled') continue;
-          synced.add(
-            CalendarEvent.fromGoogleEvent(
-              event,
-              calendar,
-              personId: current.calendarPersonIds[calendar.id],
-            ),
-          );
+          final imported = CalendarEvent.fromGoogleEvent(event, calendar);
+          final eventKey = importedEventKey(imported);
+          final assignedPersonId =
+              eventPersonOverrides[eventKey] ??
+              current.calendarPersonIds[calendar.id];
+          synced.add(imported.copyWith(personId: assignedPersonId));
         }
       }
 
@@ -339,7 +369,12 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
       });
 
       widget.onSyncedEventsChanged(synced);
-      widget.onChanged([current.copyWith(lastSync: DateTime.now())]);
+      widget.onChanged([
+        current.copyWith(
+          eventPersonIds: eventPersonOverrides,
+          lastSync: DateTime.now(),
+        ),
+      ]);
       setState(() {
         syncing = false;
         statusMessage =
@@ -369,9 +404,7 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
       action: FilledButton.icon(
         onPressed: loadingCalendars ? null : _startGoogleConnection,
         icon: const Icon(Icons.open_in_browser),
-        label: Text(
-          hasConnection ? text.googleReconnect : text.googleConnect,
-        ),
+        label: Text(hasConnection ? text.googleReconnect : text.googleConnect),
       ),
       child: ListView(
         padding: const EdgeInsets.only(bottom: 24),
@@ -457,9 +490,7 @@ class _AccountsPageState extends State<AccountsPage> with WidgetsBindingObserver
             ),
             const SizedBox(height: 8),
             OutlinedButton.icon(
-              onPressed: loadingCalendars
-                  ? null
-                  : _loadGoogleConnectionStatus,
+              onPressed: loadingCalendars ? null : _loadGoogleConnectionStatus,
               icon: const Icon(Icons.refresh),
               label: const Text('Google napt\u00e1rlista friss\u00edt\u00e9se'),
             ),
diff --git a/lib/utils.dart b/lib/utils.dart
index 3a4f7d0..5ca408a 100644
--- a/lib/utils.dart
+++ b/lib/utils.dart
@@ -86,6 +86,23 @@ Color parseGoogleColor(String? value) {
 
 String uniqueId() => DateTime.now().microsecondsSinceEpoch.toString();
 
+String importedEventKey(CalendarEvent event) {
+  final calendarId = event.calendarId?.trim();
+  final externalId = event.externalId?.trim();
+  if (calendarId != null &&
+      calendarId.isNotEmpty &&
+      externalId != null &&
+      externalId.isNotEmpty) {
+    return '$calendarId::$externalId';
+  }
+
+  final fallbackCalendar = calendarId?.isNotEmpty == true
+      ? calendarId!
+      : 'local';
+  final date = event.date.toIso8601String().split('T').first;
+  return '$fallbackCalendar::${event.title}::$date::${event.start}';
+}
+
 String normalizeJarvisUrl(String value) {
   final trimmed = value.trim();
   if (trimmed.isEmpty) return JarvisSettings.defaults().apiUrl;