add server version check & auto sync cloud ids on compatible servers

mobile/lib/domain/utils/migrate_cloud_ids.dart

@@ -84,6 +84,7 @@ Future<List<_CloudIdMapping>> _fetchCloudIdMappings(Drift drift, String userId)
           useColumns: false,
         ),
       ])..where(
+        // Only select assets that have a local cloud ID but either no remote cloud ID or a mismatched eTag
         drift.localAssetEntity.id.isNotNull() &
             drift.localAssetEntity.iCloudId.isNotNull() &
             drift.remoteAssetEntity.ownerId.equals(userId) &

mobile/lib/models/server_info/server_version.model.dart

@@ -10,4 +10,8 @@ class ServerVersion extends SemVer {
   }
 
   ServerVersion.fromDto(ServerVersionResponseDto dto) : super(major: dto.major, minor: dto.minor, patch: dto.patch_);
+
+  bool isAtLeast({int major = 0, int minor = 0, int patch = 0}) {
+    return this >= SemVer(major: major, minor: minor, patch: patch);
+  }
 }

mobile/lib/pages/common/splash_screen.page.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/domain/models/store.model.dart';
 import 'package:immich_mobile/entities/store.entity.dart';
+import 'package:immich_mobile/extensions/platform_extensions.dart';
 import 'package:immich_mobile/providers/auth.provider.dart';
 import 'package:immich_mobile/providers/background_sync.provider.dart';
 import 'package:immich_mobile/providers/backup/backup.provider.dart';
@@ -60,7 +61,8 @@ class SplashScreenPageState extends ConsumerState<SplashScreenPage> {
           (_) async {
             try {
               wsProvider.connect();
-              unawaited(infoProvider.getServerInfo());
+              await infoProvider.getServerInfo();
+              final serverInfo = ref.read(serverInfoProvider);
 
               if (Store.isBetaTimelineEnabled) {
                 bool syncSuccess = false;
@@ -75,6 +77,9 @@ class SplashScreenPageState extends ConsumerState<SplashScreenPage> {
                       _resumeBackup(backupProvider);
                     }),
                     _resumeBackup(backupProvider),
+                    // Sync cloud IDs if server version is compatible
+                    if (CurrentPlatform.isIOS && serverInfo.serverVersion.isAtLeast(major: 2, minor: 4))
+                      backgroundManager.syncCloudIds(),
                   ]);
                 } else {
                   await backgroundManager.hashAssets();

mobile/lib/providers/app_life_cycle.provider.dart

@@ -147,6 +147,7 @@ class AppLifeCycleNotifier extends StateNotifier<AppLifeCycleEnum> {
 
     final backgroundManager = _ref.read(backgroundSyncProvider);
     final isAlbumLinkedSyncEnable = _ref.read(appSettingsServiceProvider).getSetting(AppSettingsEnum.syncAlbums);
+    final serverInfo = _ref.read(serverInfoProvider);
 
     try {
       bool syncSuccess = false;
@@ -160,6 +161,9 @@ class AppLifeCycleNotifier extends StateNotifier<AppLifeCycleEnum> {
             _resumeBackup();
           }),
           _resumeBackup(),
+          // Sync cloud IDs if server version is compatible
+          if (CurrentPlatform.isIOS && serverInfo.serverVersion.isAtLeast(major: 2, minor: 4))
+            backgroundManager.syncCloudIds(),
         ]);
       } else {
         await _safeRun(backgroundManager.hashAssets(), "hashAssets");

mobile/lib/services/upload.service.dart

@@ -15,10 +15,12 @@ import 'package:immich_mobile/extensions/platform_extensions.dart';
 import 'package:immich_mobile/infrastructure/repositories/backup.repository.dart';
 import 'package:immich_mobile/infrastructure/repositories/local_asset.repository.dart';
 import 'package:immich_mobile/infrastructure/repositories/storage.repository.dart';
+import 'package:immich_mobile/models/server_info/server_info.model.dart';
 import 'package:immich_mobile/providers/app_settings.provider.dart';
 import 'package:immich_mobile/providers/backup/drift_backup.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/asset.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/storage.provider.dart';
+import 'package:immich_mobile/providers/server_info.provider.dart';
 import 'package:immich_mobile/repositories/asset_media.repository.dart';
 import 'package:immich_mobile/repositories/upload.repository.dart';
 import 'package:immich_mobile/services/api.service.dart';
@@ -35,6 +37,7 @@ final uploadServiceProvider = Provider((ref) {
     ref.watch(localAssetRepository),
     ref.watch(appSettingsServiceProvider),
     ref.watch(assetMediaRepositoryProvider),
+    ref.watch(serverInfoProvider),
   );
 
   ref.onDispose(service.dispose);
@@ -49,6 +52,7 @@ class UploadService {
     this._localAssetRepository,
     this._appSettingsService,
     this._assetMediaRepository,
+    this._serverInfo,
   ) {
     _uploadRepository.onUploadStatus = _onUploadCallback;
     _uploadRepository.onTaskProgress = _onTaskProgressCallback;
@@ -60,6 +64,7 @@ class UploadService {
   final DriftLocalAssetRepository _localAssetRepository;
   final AppSettingsService _appSettingsService;
   final AssetMediaRepository _assetMediaRepository;
+  final ServerInfo _serverInfo;
   final Logger _logger = Logger('UploadService');
 
   final StreamController<TaskStatusUpdate> _taskStatusController = StreamController<TaskStatusUpdate>.broadcast();
@@ -431,13 +436,18 @@ class UploadService {
       'fileModifiedAt': modifiedAt.toUtc().toIso8601String(),
       'isFavorite': isFavorite?.toString() ?? 'false',
       'duration': '0',
-      'metadata': jsonEncode([
-        RemoteAssetMetadataItem(
-          key: RemoteAssetMetadataKey.mobileApp,
-          value: RemoteAssetMobileAppMetadata(cloudId: cloudId, eTag: eTag),
-        ),
-      ]),
       if (fields != null) ...fields,
+      // Include cloudId and eTag in metadata if available and server version supports it
+      if (CurrentPlatform.isIOS &&
+          cloudId != null &&
+          eTag != null &&
+          _serverInfo.serverVersion.isAtLeast(major: 2, minor: 4))
+        'metadata': jsonEncode([
+          RemoteAssetMetadataItem(
+            key: RemoteAssetMetadataKey.mobileApp,
+            value: RemoteAssetMobileAppMetadata(cloudId: cloudId, eTag: eTag),
+          ),
+        ]),
     };
 
     return UploadTask(

mobile/lib/widgets/settings/beta_sync_settings/sync_status_and_actions.dart

@@ -13,6 +13,7 @@ import 'package:immich_mobile/providers/infrastructure/db.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/memory.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/storage.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/trash_sync.provider.dart';
+import 'package:immich_mobile/providers/server_info.provider.dart';
 import 'package:immich_mobile/providers/sync_status.provider.dart';
 import 'package:immich_mobile/services/app_settings.service.dart';
 import 'package:immich_mobile/widgets/settings/beta_sync_settings/entity_count_tile.dart';
@@ -25,6 +26,8 @@ class SyncStatusAndActions extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    final serverInfo = ref.read(serverInfoProvider);
+
     Future<void> exportDatabase() async {
       try {
         // WAL Checkpoint to ensure all changes are written to the database
@@ -151,7 +154,7 @@ class SyncStatusAndActions extends HookConsumerWidget {
             ref.read(backgroundSyncProvider).hashAssets();
           },
         ),
-        if (CurrentPlatform.isIOS)
+        if (CurrentPlatform.isIOS && serverInfo.serverVersion.isAtLeast(major: 2, minor: 4))
           ListTile(
             title: Text(
               "sync_cloud_ids".t(context: context),