aves_mio22/lib/widgets/home/home_page.dart.super_ok
2026-04-18 20:05:02 +02:00

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// lib/widgets/home/home_page.dart
import 'dart:async';
import 'package:aves/remote/collection_source_remote_ext.dart';
import 'package:aves/app_mode.dart';
import 'package:aves/geo/uri.dart';
import 'package:aves/model/app/intent.dart';
import 'package:aves/model/app/permissions.dart';
import 'package:aves/model/app_inventory.dart';
import 'package:aves/model/entry/entry.dart';
import 'package:aves/model/entry/extensions/catalog.dart';
import 'package:aves/model/filters/covered/location.dart';
import 'package:aves/model/filters/covered/stored_album.dart';
import 'package:aves/model/filters/filters.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/model/source/collection_lens.dart';
import 'package:aves/model/source/collection_source.dart';
import 'package:aves/services/analysis_service.dart';
import 'package:aves/services/common/services.dart';
import 'package:aves/services/global_search.dart';
import 'package:aves/services/intent_service.dart';
import 'package:aves/services/widget_service.dart';
import 'package:aves/theme/themes.dart';
import 'package:aves/utils/android_file_utils.dart';
import 'package:aves/widgets/collection/collection_page.dart';
import 'package:aves/widgets/common/basic/scaffold.dart';
import 'package:aves/widgets/common/behaviour/routes.dart';
import 'package:aves/widgets/common/extensions/build_context.dart';
import 'package:aves/widgets/common/search/page.dart';
import 'package:aves/widgets/common/search/route.dart';
import 'package:aves/widgets/editor/entry_editor_page.dart';
import 'package:aves/widgets/explorer/explorer_page.dart';
import 'package:aves/widgets/filter_grids/albums_page.dart';
import 'package:aves/widgets/filter_grids/tags_page.dart';
import 'package:aves/widgets/home/home_error.dart';
import 'package:aves/widgets/map/map_page.dart';
import 'package:aves/widgets/search/collection_search_delegate.dart';
import 'package:aves/widgets/settings/home_widget_settings_page.dart';
import 'package:aves/widgets/settings/screen_saver_settings_page.dart';
import 'package:aves/widgets/viewer/entry_viewer_page.dart';
import 'package:aves/widgets/viewer/screen_saver_page.dart';
import 'package:aves/widgets/wallpaper_page.dart';
import 'package:aves_model/aves_model.dart';
import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'package:latlong2/latlong.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:provider/provider.dart';
// --- REMOTO / DEBUG ---
import 'package:flutter/foundation.dart' show kDebugMode;
import 'package:sqflite/sqflite.dart';
import 'package:path/path.dart' as p;
import 'package:aves/remote/remote_test_page.dart' as rtp;
import 'package:aves/remote/remote_settings.dart';
import 'package:aves/remote/remote_http.dart';
import 'package:aves/remote/remote_models.dart';
import 'package:aves/remote/remote_client.dart';
import 'package:aves/remote/auth_client.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
// Step 2: progress bus + repository
import 'package:aves/remote/remote_sync_bus.dart';
import 'package:aves/remote/remote_repository.dart';
class HomePage extends StatefulWidget {
static const routeName = '/';
final Map? intentData;
const HomePage({
super.key,
this.intentData,
});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
AvesEntry? _viewerEntry;
int? _widgetId;
String? _initialRouteName, _initialSearchQuery;
Set<CollectionFilter>? _initialFilters;
String? _initialExplorerPath;
(LatLng, double?)? _initialLocationZoom;
List<String>? _secureUris;
(Object, StackTrace)? _setupError;
bool _remoteSyncScheduled = false;
bool _remoteSyncActive = false;
bool _remoteTestOpen = false;
static const allowedShortcutRoutes = [
AlbumListPage.routeName,
CollectionPage.routeName,
ExplorerPage.routeName,
MapPage.routeName,
SearchPage.routeName,
];
@override
void initState() {
super.initState();
_setup();
imageCache.maximumSizeBytes = 512 * (1 << 20);
}
@override
Widget build(BuildContext context) => AvesScaffold(
body: _setupError != null
? HomeError(
error: _setupError!.$1,
stack: _setupError!.$2,
)
: null,
);
// ============================================================
// BOOTSTRAP FLAG (Remote progress ONLY first time)
// ============================================================
Future<bool> _isRemoteBootstrapDone() async {
final storage = FlutterSecureStorage();
final v = await storage.read(key: 'remote_bootstrap_done');
return v == '1';
}
Future<void> _setRemoteBootstrapDone() async {
final storage = FlutterSecureStorage();
await storage.write(key: 'remote_bootstrap_done', value: '1');
}
// ============================================================
// INIT DEBUG (optional): SourceState + polling entry counts (3s)
// ============================================================
VoidCallback _attachInitDebug(CollectionSource source, String label) {
final sw = Stopwatch()..start();
int lastAll = -1;
int lastVis = -1;
void logState() {
debugPrint(
'[$label] state=${source.stateNotifier.value} '
't=${sw.elapsedMilliseconds}ms '
'all=${source.allEntries.length} vis=${source.visibleEntries.length} '
'loadedScope=${source.loadedScope}',
);
}
void pollCounts() {
final all = source.allEntries.length;
final vis = source.visibleEntries.length;
if (all != lastAll || vis != lastVis) {
lastAll = all;
lastVis = vis;
debugPrint('[$label] CHANGE t=${sw.elapsedMilliseconds}ms all=$all vis=$vis state=${source.stateNotifier.value}');
}
}
debugPrint('[$label] attach listeners');
logState();
pollCounts();
source.stateNotifier.addListener(logState);
final timer = Timer.periodic(const Duration(milliseconds: 100), (_) => pollCounts());
return () {
timer.cancel();
try {
source.stateNotifier.removeListener(logState);
} catch (_) {}
debugPrint('[$label] detach listeners at t=${sw.elapsedMilliseconds}ms');
};
}
Future<void> _setup() async {
try {
final stopwatch = Stopwatch()..start();
if (await windowService.isActivity()) {
await Permissions.mediaAccess.request();
}
var appMode = AppMode.main;
var error = false;
final intentData = widget.intentData ?? await IntentService.getIntentData();
final intentAction = intentData[IntentDataKeys.action] as String?;
_initialFilters = null;
_initialExplorerPath = null;
_secureUris = null;
await availability.onNewIntent();
await androidFileUtils.init();
// Warm-up header remoti (non blocca UI)
unawaited(Future(() async {
try {
final s = await _safeLoadRemoteSettings();
if (s.enabled && s.baseUrl.trim().isNotEmpty) {
await _safeHeaders();
}
} catch (_) {}
}));
if (!{
IntentActions.edit,
IntentActions.screenSaver,
IntentActions.setWallpaper,
}.contains(intentAction) &&
settings.isInstalledAppAccessAllowed) {
unawaited(appInventory.initAppNames());
}
if (intentData.values.nonNulls.isNotEmpty) {
await reportService.log('Intent data=$intentData');
var intentUri = intentData[IntentDataKeys.uri] as String?;
final intentMimeType = intentData[IntentDataKeys.mimeType] as String?;
switch (intentAction) {
case IntentActions.view:
appMode = AppMode.view;
_secureUris = (intentData[IntentDataKeys.secureUris] as List?)?.cast<String>();
case IntentActions.viewGeo:
error = true;
if (intentUri != null) {
final locationZoom = parseGeoUri(intentUri);
if (locationZoom != null) {
_initialRouteName = MapPage.routeName;
_initialLocationZoom = locationZoom;
error = false;
}
}
break;
case IntentActions.edit:
appMode = AppMode.edit;
case IntentActions.setWallpaper:
appMode = AppMode.setWallpaper;
case IntentActions.pickItems:
final multiple = (intentData[IntentDataKeys.allowMultiple] as bool?) ?? false;
debugPrint('pick mimeType=$intentMimeType multiple=$multiple');
appMode = multiple ? AppMode.pickMultipleMediaExternal : AppMode.pickSingleMediaExternal;
case IntentActions.pickCollectionFilters:
appMode = AppMode.pickCollectionFiltersExternal;
case IntentActions.screenSaver:
appMode = AppMode.screenSaver;
_initialRouteName = ScreenSaverPage.routeName;
case IntentActions.screenSaverSettings:
_initialRouteName = ScreenSaverSettingsPage.routeName;
case IntentActions.search:
_initialRouteName = SearchPage.routeName;
_initialSearchQuery = intentData[IntentDataKeys.query] as String?;
case IntentActions.widgetSettings:
_initialRouteName = HomeWidgetSettingsPage.routeName;
_widgetId = (intentData[IntentDataKeys.widgetId] as int?) ?? 0;
case IntentActions.widgetOpen:
final widgetId = intentData[IntentDataKeys.widgetId] as int?;
if (widgetId == null) {
error = true;
} else {
await settings.reload();
final page = settings.getWidgetOpenPage(widgetId);
switch (page) {
case WidgetOpenPage.collection:
_initialFilters = settings.getWidgetCollectionFilters(widgetId);
case WidgetOpenPage.viewer:
appMode = AppMode.view;
intentUri = settings.getWidgetUri(widgetId);
case WidgetOpenPage.home:
case WidgetOpenPage.updateWidget:
break;
}
unawaited(WidgetService.update(widgetId));
}
default:
final extraRoute = intentData[IntentDataKeys.page] as String?;
if (allowedShortcutRoutes.contains(extraRoute)) {
_initialRouteName = extraRoute;
}
}
if (_initialFilters == null) {
final extraFilters = (intentData[IntentDataKeys.filters] as List?)?.cast<String>();
_initialFilters = extraFilters?.map(CollectionFilter.fromJson).nonNulls.toSet();
}
_initialExplorerPath = intentData[IntentDataKeys.explorerPath] as String?;
switch (appMode) {
case AppMode.view:
case AppMode.edit:
case AppMode.setWallpaper:
if (intentUri != null) {
_viewerEntry = await _initViewerEntry(uri: intentUri, mimeType: intentMimeType);
}
error = _viewerEntry == null;
default:
break;
}
}
if (error) {
debugPrint('Failed to init app mode=$appMode for intent data=$intentData. Fallback to main mode.');
appMode = AppMode.main;
}
context.read<ValueNotifier<AppMode>>().value = appMode;
unawaited(reportService.setCustomKey('app_mode', appMode.toString()));
switch (appMode) {
case AppMode.main:
case AppMode.pickCollectionFiltersExternal:
case AppMode.pickSingleMediaExternal:
case AppMode.pickMultipleMediaExternal:
unawaited(GlobalSearch.registerCallback());
unawaited(AnalysisService.registerCallback());
final source = context.read<CollectionSource>();
// =========================================================
// MAIN INIT + LOCAL-HYDRATE + REMOTE APPEND/SYNC
// =========================================================
// cache DB?
bool hasAnyCache = false;
try {
await localMediaDb.init();
final rows = await localMediaDb.rawDb.rawQuery(
'SELECT 1 FROM entry WHERE trashed=0 LIMIT 1',
);
hasAnyCache = rows.isNotEmpty;
} catch (_) {}
final bootstrapDone = await _isRemoteBootstrapDone();
final bootstrap = !bootstrapDone;
debugPrint('[BOOT] hasAnyCache=$hasAnyCache bootstrapDone=$bootstrapDone bootstrap=$bootstrap '
'loadedScope=${source.loadedScope} state=${source.stateNotifier.value}');
final loadTopEntriesFirst =
settings.homeNavItem.route == CollectionPage.routeName &&
settings.homeCustomCollection.isEmpty;
final detach = _attachInitDebug(source, 'INIT');
// INIT (serve per inizializzare strutture interne)
final swInit = Stopwatch()..start();
debugPrint('[INIT] calling source.init(...) loadTopEntriesFirst=$loadTopEntriesFirst');
await source.init(scope: CollectionSource.fullScope, loadTopEntriesFirst: loadTopEntriesFirst);
swInit.stop();
debugPrint('[INIT] source.init DONE in ${swInit.elapsedMilliseconds}ms all=${source.allEntries.length} vis=${source.visibleEntries.length}');
// ---------------------------------------------------------
// ✅ LOCAL-HYDRATE (key feature): mostra subito i locali dal DB
// ---------------------------------------------------------
// Se dopo init la Source è ancora vuota/quasi vuota, iniettiamo cache DB origin=0.
// (Il tuo DB ha origin=0 -> 6957, quindi qui la galleria diventa istantanea.)
try {
final curCount = source.visibleEntries.isNotEmpty ? source.visibleEntries.length : source.allEntries.length;
if (curCount < 50) {
final locals = await localMediaDb.loadEntries(origin: 0); // Set<AvesEntry> nella tua codebase
debugPrint('[LOCAL-HYDRATE] db locals=${locals.length} curCount=$curCount');
if (locals.isNotEmpty) {
final existingUris = source.allEntries
.where((e) => e.origin == 0 && !e.trashed)
.map((e) => e.uri)
.whereType<String>()
.toSet();
final toAdd = locals.where((e) {
if (e.trashed) return false;
if (!e.isDisplayable) return false;
final u = e.uri;
if (u == null || u.isEmpty) return true;
return !existingUris.contains(u);
}).toSet();
if (toAdd.isNotEmpty) {
source.addEntries(toAdd);
debugPrint('[LOCAL-HYDRATE] added=${toAdd.length}');
} else {
debugPrint('[LOCAL-HYDRATE] nothing to add (duplicates/filtered)');
}
}
}
} catch (e, st) {
debugPrint('[LOCAL-HYDRATE] error: $e\n$st');
}
// stop debug logs after 3s
Future.delayed(const Duration(seconds: 3), detach);
// Remoti:
// - bootstrap done -> mostra subito dal DB
// - bootstrap not done -> compariranno alla fine del bootstrap sync
if (await _isRemoteBootstrapDone()) {
debugPrint('[REMOTE] append from DB (bootstrap done)');
await source.appendRemoteEntriesFromDb();
} else {
debugPrint('[REMOTE] skip append from DB (bootstrap not done)');
}
// schedule remote sync once
if (!_remoteSyncScheduled) {
_remoteSyncScheduled = true;
final sourceRef = source;
unawaited(Future.microtask(() => _runRemoteSync(sourceRef, bootstrap: bootstrap)));
}
break;
case AppMode.screenSaver:
await reportService.log('Initialize source to start screen saver');
final source2 = context.read<CollectionSource>();
source2.canAnalyze = false;
await source2.init(scope: settings.screenSaverCollectionFilters);
break;
case AppMode.view:
if (_isViewerSourceable(_viewerEntry) && _secureUris == null) {
final directory = _viewerEntry?.directory;
if (directory != null) {
unawaited(AnalysisService.registerCallback());
await reportService.log('Initialize source to view item in directory $directory');
final source = context.read<CollectionSource>();
source.canAnalyze = true;
await source.init(scope: {StoredAlbumFilter(directory, null)});
}
} else {
await _initViewerEssentials();
}
break;
case AppMode.edit:
case AppMode.setWallpaper:
await _initViewerEssentials();
break;
default:
break;
}
debugPrint('Home setup complete in ${stopwatch.elapsed.inMilliseconds}ms');
unawaited(
Navigator.maybeOf(context)?.pushAndRemoveUntil(
await _getRedirectRoute(appMode),
(route) => false,
),
);
} catch (error, stack) {
debugPrint('failed to setup app with error=$error\n$stack');
setState(() => _setupError = (error, stack));
}
}
// ============================================================
// === SYNC REMOTO (Step 2)
// - full sync SOLO bootstrap
// - progress bar SOLO bootstrap
// - remoti visibili SOLO dopo bootstrap completato
// ============================================================
Future<void> _runRemoteSync(CollectionSource source, {required bool bootstrap}) async {
try {
final rs = await _safeLoadRemoteSettings();
if (!rs.enabled) {
debugPrint('[remote-sync] disabled → skip');
return;
}
if (!bootstrap) {
debugPrint('[remote-sync] bootstrap already done -> skip full sync (until Step 3 delta/ws)');
return;
}
_remoteSyncActive = true;
final items = await _fetchAllRemoteItems();
final total = items.length;
final serverIds = items.map((e) => e.id).where((v) => v.isNotEmpty).toSet();
RemoteSyncBus.instance.start(phase: 'Sync remoto…', total: total);
final repo = RemoteRepository(localMediaDb.rawDb);
await repo.deleteAllRemotes();
const chunkSize = 200;
int done = 0;
for (var offset = 0; offset < total; offset += chunkSize) {
final end = (offset + chunkSize < total) ? offset + chunkSize : total;
final chunk = items.sublist(offset, end);
await repo.upsertAll(chunk, chunkSize: chunkSize);
done = end;
RemoteSyncBus.instance.update(phase: 'Sync remoto…', done: done, total: total);
}
final pruned = await repo.pruneMissingRemotes(serverIds);
debugPrint('[remote-sync] prune deleted=$pruned');
// remoti compaiono ora (bootstrap completato)
await source.appendRemoteEntriesFromDb();
await _setRemoteBootstrapDone();
RemoteSyncBus.instance.finish();
} catch (e, st) {
debugPrint('[remote-sync] error: $e\n$st');
RemoteSyncBus.instance.clear();
} finally {
_remoteSyncActive = false;
}
}
Future<List<RemotePhotoItem>> _fetchAllRemoteItems() async {
try {
final rs = await _safeLoadRemoteSettings();
if (!rs.enabled || rs.baseUrl.trim().isEmpty) {
return <RemotePhotoItem>[];
}
RemoteAuth? auth;
if (rs.email.isNotEmpty && rs.password.isNotEmpty) {
auth = RemoteAuth(baseUrl: rs.baseUrl, email: rs.email, password: rs.password);
}
final client = RemoteJsonClient(rs.baseUrl, rs.indexPath, auth: auth);
try {
final items = await client.fetchAll();
debugPrint('[remote-sync][fetch] fetched ${items.length} items');
return items;
} catch (e, st) {
debugPrint('[remote-sync][fetch] client.fetchAll ERROR: $e\n$st');
return <RemotePhotoItem>[];
}
} catch (e, st) {
debugPrint('[remote-sync][fetch] ERROR: $e\n$st');
return <RemotePhotoItem>[];
}
}
Future<void> _initViewerEssentials() async {
await localMediaDb.init();
}
bool _isViewerSourceable(AvesEntry? viewerEntry) {
return viewerEntry != null &&
viewerEntry.directory != null &&
!settings.hiddenFilters.any((filter) => filter.test(viewerEntry));
}
Future<AvesEntry?> _initViewerEntry({required String uri, required String? mimeType}) async {
if (uri.startsWith('/')) {
uri = Uri.file(uri).toString();
}
final entry = await mediaFetchService.getEntry(uri, mimeType);
if (entry != null) {
await entry.catalog(background: false, force: false, persist: false);
}
return entry;
}
// === DEBUG: pagina test remoto con DB indipendente ===
Future<void> _openRemoteTestPage(BuildContext context) async {
if (_remoteTestOpen) return;
if (_remoteSyncActive) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Attendi fine sync remoto in corso prima di aprire RemoteTest')),
);
return;
}
_remoteTestOpen = true;
Database? debugDb;
try {
final dbDir = await getDatabasesPath();
final dbPath = p.join(dbDir, 'metadata.db');
debugDb = await openDatabase(
dbPath,
singleInstance: false,
onConfigure: (db) async {
await db.rawQuery('PRAGMA journal_mode=WAL');
await db.rawQuery('PRAGMA foreign_keys=ON');
},
);
if (!context.mounted) return;
final rs = await _safeLoadRemoteSettings();
final baseUrl = rs.baseUrl.isNotEmpty ? rs.baseUrl : RemoteSettings.defaultBaseUrl;
await Navigator.of(context).push(MaterialPageRoute(
builder: (_) => rtp.RemoteTestPage(
db: debugDb!,
baseUrl: baseUrl,
),
));
} catch (e, st) {
// ignore: avoid_print
print('[RemoteTest] errore apertura DB/pagina: $e\n$st');
} finally {
try {
await debugDb?.close();
} catch (_) {}
_remoteTestOpen = false;
}
}
Future<Route> _getRedirectRoute(AppMode appMode) async {
String routeName;
Set<CollectionFilter?>? filters;
switch (appMode) {
case AppMode.setWallpaper:
return DirectMaterialPageRoute(
settings: const RouteSettings(name: WallpaperPage.routeName),
builder: (_) => WallpaperPage(entry: _viewerEntry),
);
case AppMode.view:
AvesEntry viewerEntry = _viewerEntry!;
CollectionLens? collection;
final source = context.read<CollectionSource>();
final album = viewerEntry.directory;
if (album != null) {
final loadingCompleter = Completer();
final stateNotifier = source.stateNotifier;
void _onSourceStateChanged() {
if (stateNotifier.value != SourceState.loading) {
stateNotifier.removeListener(_onSourceStateChanged);
loadingCompleter.complete();
}
}
stateNotifier.addListener(_onSourceStateChanged);
_onSourceStateChanged();
await loadingCompleter.future;
collection = CollectionLens(
source: source,
filters: {StoredAlbumFilter(album, source.getStoredAlbumDisplayName(context, album))},
listenToSource: false,
stackBursts: false,
);
final viewerEntryPath = viewerEntry.path;
final collectionEntry =
collection.sortedEntries.firstWhereOrNull((entry) => entry.path == viewerEntryPath);
if (collectionEntry != null) {
viewerEntry = collectionEntry;
} else {
collection = null;
}
}
return DirectMaterialPageRoute(
settings: const RouteSettings(name: EntryViewerPage.routeName),
builder: (_) => EntryViewerPage(collection: collection, initialEntry: viewerEntry),
);
case AppMode.edit:
return DirectMaterialPageRoute(
settings: const RouteSettings(name: EntryViewerPage.routeName),
builder: (_) => ImageEditorPage(entry: _viewerEntry!),
);
default:
routeName = _initialRouteName ?? settings.homeNavItem.route;
filters = _initialFilters ??
(settings.homeNavItem.route == CollectionPage.routeName ? settings.homeCustomCollection : {});
}
Route buildRoute(WidgetBuilder builder) => DirectMaterialPageRoute(
settings: RouteSettings(name: routeName),
builder: builder,
);
final source = context.read<CollectionSource>();
switch (routeName) {
case AlbumListPage.routeName:
return buildRoute((context) => const AlbumListPage(initialGroup: null));
case TagListPage.routeName:
return buildRoute((context) => const TagListPage(initialGroup: null));
case MapPage.routeName:
return buildRoute((context) {
final mapCollection = CollectionLens(
source: source,
filters: {
LocationFilter.located,
if (filters != null) ...filters!,
},
);
return MapPage(
collection: mapCollection,
initialLocation: _initialLocationZoom?.$1,
initialZoom: _initialLocationZoom?.$2,
);
});
case ExplorerPage.routeName:
final path = _initialExplorerPath ?? settings.homeCustomExplorerPath;
return buildRoute((context) => ExplorerPage(path: path));
case HomeWidgetSettingsPage.routeName:
return buildRoute((context) => HomeWidgetSettingsPage(widgetId: _widgetId!));
case ScreenSaverPage.routeName:
return buildRoute((context) => ScreenSaverPage(source: source));
case ScreenSaverSettingsPage.routeName:
return buildRoute((context) => const ScreenSaverSettingsPage());
case SearchPage.routeName:
return SearchPageRoute(
delegate: CollectionSearchDelegate(
searchFieldLabel: context.l10n.searchCollectionFieldHint,
searchFieldStyle: Themes.searchFieldStyle(context),
source: source,
canPop: false,
initialQuery: _initialSearchQuery,
),
);
case CollectionPage.routeName:
default:
return buildRoute((context) => CollectionPage(source: source, filters: filters));
}
}
Future<RemoteSettings> _safeLoadRemoteSettings({Duration timeout = const Duration(seconds: 5)}) async {
try {
return await RemoteSettings.load().timeout(timeout);
} catch (e) {
debugPrint('[remote] RemoteSettings.load failed: $e — using defaults');
return RemoteSettings(
enabled: RemoteSettings.defaultEnabled,
baseUrl: RemoteSettings.defaultBaseUrl,
indexPath: RemoteSettings.defaultIndexPath,
email: RemoteSettings.defaultEmail,
password: RemoteSettings.defaultPassword,
);
}
}
Future<Map<String, String>> _safeHeaders({Duration timeout = const Duration(seconds: 6)}) async {
try {
return await RemoteHttp.headers().timeout(timeout);
} catch (e) {
debugPrint('[remote] RemoteHttp.headers failed: $e — returning empty headers');
return const {};
}
}
}