fix: repeat timeline migration for first time user (#21794)

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

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:auto_route/auto_route.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -42,6 +44,31 @@ class _ChangeExperiencePageState extends ConsumerState<ChangeExperiencePage> {
 
   Future<void> _handleMigration() async {
     try {
+      await _performMigrationLogic().timeout(
+        const Duration(minutes: 3),
+        onTimeout: () async {
+          await IsarStoreRepository(ref.read(isarProvider)).upsert(StoreKey.betaTimeline, widget.switchingToBeta);
+          await DriftStoreRepository(ref.read(driftProvider)).upsert(StoreKey.betaTimeline, widget.switchingToBeta);
+        },
+      );
+
+      if (mounted) {
+        setState(() {
+          HapticFeedback.heavyImpact();
+          hasMigrated = const AsyncValue.data(true);
+        });
+      }
+    } catch (e, s) {
+      Logger("ChangeExperiencePage").severe("Error during migration", e, s);
+      if (mounted) {
+        setState(() {
+          hasMigrated = AsyncValue.error(e, s);
+        });
+      }
+    }
+  }
+
+  Future<void> _performMigrationLogic() async {
     if (widget.switchingToBeta) {
       final assetNotifier = ref.read(assetProvider.notifier);
       if (assetNotifier.mounted) {
@@ -85,21 +112,6 @@ class _ChangeExperiencePageState extends ConsumerState<ChangeExperiencePage> {
 
     await IsarStoreRepository(ref.read(isarProvider)).upsert(StoreKey.betaTimeline, widget.switchingToBeta);
     await DriftStoreRepository(ref.read(driftProvider)).upsert(StoreKey.betaTimeline, widget.switchingToBeta);
-
-      if (mounted) {
-        setState(() {
-          HapticFeedback.heavyImpact();
-          hasMigrated = const AsyncValue.data(true);
-        });
-      }
-    } catch (e, s) {
-      Logger("ChangeExperiencePage").severe("Error during migration", e, s);
-      if (mounted) {
-        setState(() {
-          hasMigrated = AsyncValue.error(e, s);
-        });
-      }
-    }
   }
 
   @override

mobile/lib/providers/app_life_cycle.provider.dart

@@ -167,13 +167,6 @@ class AppLifeCycleNotifier extends StateNotifier<AppLifeCycleEnum> {
       }
     } catch (e, stackTrace) {
       _log.severe("Error during background sync", e, stackTrace);
-    } finally {
-      // Ensure lock is released even if operations fail
-      try {
-        _log.info("Lock released after background sync operations");
-      } catch (lockError) {
-        _log.warning("Failed to release lock after error: $lockError");
-      }
     }
   }
 

mobile/lib/utils/migration.dart

@@ -63,7 +63,10 @@ Future<void> migrateDatabaseIfNeeded(Isar db, Drift drift) async {
 
   // Handle migration only for this version
   // TODO: remove when old timeline is removed
-  if (version == 15) {
+  final needBetaMigration = Store.tryGet(StoreKey.needBetaMigration);
+  if (version == 15 && needBetaMigration == null) {
+    // Check both databases directly instead of relying on cache
+
     final isBeta = Store.tryGet(StoreKey.betaTimeline);
     final isNewInstallation = await _isNewInstallation(db, drift);
 
@@ -71,6 +74,7 @@ Future<void> migrateDatabaseIfNeeded(Isar db, Drift drift) async {
     // For existing installations, only migrate if beta timeline is not enabled (null or false)
     if (isNewInstallation || isBeta == true) {
       await Store.put(StoreKey.needBetaMigration, false);
+      await Store.put(StoreKey.betaTimeline, true);
     } else {
       await resetDriftDatabase(drift);
       await Store.put(StoreKey.needBetaMigration, true);

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

@@ -104,7 +104,6 @@ class SyncStatusAndActions extends HookConsumerWidget {
       padding: const EdgeInsets.only(top: 16, bottom: 32),
       child: ListView(
         children: [
-          _SectionHeaderText(text: "assets".t(context: context)),
           const _SyncStatsCounts(),
           const Divider(height: 1, indent: 16, endIndent: 16),
           const SizedBox(height: 24),
@@ -270,7 +269,10 @@ class _SyncStatsCounts extends ConsumerWidget {
         final localHashedCount = snapshot.data![4]! as int;
 
         return Column(
+          mainAxisAlignment: MainAxisAlignment.start,
+          crossAxisAlignment: CrossAxisAlignment.start,
           children: [
+            _SectionHeaderText(text: "assets".t(context: context)),
             Padding(
               padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
               child: Flex(