Add resilience metrics and improved retry/fallback logging

lib/app_state.dart

@@ -11,6 +11,7 @@ import 'models/operator_profile.dart';
 import 'models/osm_node.dart';
 import 'models/pending_upload.dart';
 import 'models/suspected_location.dart';
+import 'models/service_endpoint.dart';
 import 'models/tile_provider.dart';
 import 'models/search_result.dart';
 import 'services/offline_area_service.dart';
@@ -31,6 +32,7 @@ import 'state/operator_profile_state.dart';
 import 'state/profile_state.dart';
 import 'state/search_state.dart';
 import 'state/session_state.dart';
+import 'state/service_registry.dart';
 import 'state/settings_state.dart';
 import 'state/suspected_location_state.dart';
 import 'state/upload_queue_state.dart';
@@ -167,6 +169,14 @@ class AppState extends ChangeNotifier {
   bool get hasUnreadMessages => _messagesState.hasUnreadMessages;
   bool get isCheckingMessages => _messagesState.isChecking;
 
+  // API endpoint settings
+  List<ServiceEndpoint> get routingEndpoints => _settingsState.routingEndpoints;
+  List<ServiceEndpoint> get enabledRoutingEndpoints => _settingsState.enabledRoutingEndpoints;
+  List<ServiceEndpoint> get overpassEndpoints => _settingsState.overpassEndpoints;
+  List<ServiceEndpoint> get enabledOverpassEndpoints => _settingsState.enabledOverpassEndpoints;
+  ServiceRegistry<ServiceEndpoint> get routingRegistry => _settingsState.routingRegistry;
+  ServiceRegistry<ServiceEndpoint> get overpassRegistry => _settingsState.overpassRegistry;
+
   // Tile provider state
   List<TileProvider> get tileProviders => _settingsState.tileProviders;
   TileType? get selectedTileType => _settingsState.selectedTileType;
@@ -753,6 +763,8 @@ class AppState extends ChangeNotifier {
     await _settingsState.setDistanceUnit(unit);
   }
 
+  // Endpoint registry methods are accessed via routingRegistry/overpassRegistry directly
+
   // ---------- Queue Methods ----------
   void clearQueue() {
     _uploadQueueState.clearQueue();

lib/dev_config.dart

@@ -65,7 +65,7 @@ const Duration kChangesetAutoCloseTimeout = Duration(minutes: 59); // Give up an
 const double kChangesetCloseBackoffMultiplier = 2.0;
 
 // Navigation routing configuration
-const Duration kNavigationRoutingTimeout = Duration(seconds: 90); // HTTP timeout for routing requests
+const Duration kNavigationRoutingTimeout = Duration(seconds: 30); // HTTP timeout for routing requests (legacy — prefer ResiliencePolicy.httpTimeout)
 
 // Overpass API configuration
 const Duration kOverpassQueryTimeout = Duration(seconds: 45); // Timeout for Overpass API queries (was 25s hardcoded)

lib/localizations/de.json

@@ -74,7 +74,23 @@
     "advancedSettings": "Erweiterte Einstellungen",
     "advancedSettingsSubtitle": "Leistungs-, Warnungs- und Kachelanbieter-Einstellungen",
     "proximityAlerts": "Näherungswarnungen",
-    "networkStatusIndicator": "Netzwerkstatus-Anzeige"
+    "networkStatusIndicator": "Netzwerkstatus-Anzeige",
+    "apiEndpoints": "API-Endpunkte",
+    "apiEndpointsDescription": "Prioritätsreihenfolge der API-Endpunkte konfigurieren, benutzerdefinierte Endpunkte hinzufügen oder auf Standard zurücksetzen.",
+    "apiEndpointRouting": "Routing",
+    "apiEndpointNodeSource": "Knotenquelle",
+    "invalidUrl": "Geben Sie eine gültige HTTPS-URL ein",
+    "addEndpoint": "Endpunkt hinzufügen",
+    "editEndpoint": "Endpunkt bearbeiten",
+    "resetToDefaults": "Auf Standard zurücksetzen",
+    "endpointName": "Endpunktname",
+    "endpointUrl": "Endpunkt-URL",
+    "endpointMaxRetries": "Max. Wiederholungen",
+    "endpointTimeout": "Timeout (Sekunden)",
+    "endpointEnabled": "Aktiviert",
+    "noEnabledEndpoints": "Mindestens ein Endpunkt muss aktiviert bleiben",
+    "confirmResetEndpoints": "Alle Endpunkte auf Standardkonfiguration zurücksetzen?",
+    "builtInEndpoint": "Eingebaut"
   },
   "proximityAlerts": {
     "getNotified": "Benachrichtigung erhalten beim Annähern an Überwachungsgeräte",

lib/localizations/en.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Advanced Settings",
     "advancedSettingsSubtitle": "Performance, alerts, and tile provider settings",
     "proximityAlerts": "Proximity Alerts",
-    "networkStatusIndicator": "Network Status Indicator"
+    "networkStatusIndicator": "Network Status Indicator",
+    "apiEndpoints": "API Endpoints",
+    "apiEndpointsDescription": "Configure API endpoint priority order, add custom endpoints, or reset to defaults.",
+    "apiEndpointRouting": "Routing",
+    "apiEndpointNodeSource": "Node Source",
+    "invalidUrl": "Enter a valid HTTPS URL",
+    "addEndpoint": "Add Endpoint",
+    "editEndpoint": "Edit Endpoint",
+    "resetToDefaults": "Reset to Defaults",
+    "endpointName": "Endpoint Name",
+    "endpointUrl": "Endpoint URL",
+    "endpointMaxRetries": "Max Retries",
+    "endpointTimeout": "Timeout (seconds)",
+    "endpointEnabled": "Enabled",
+    "noEnabledEndpoints": "At least one endpoint must remain enabled",
+    "confirmResetEndpoints": "Reset all endpoints to their default configuration?",
+    "builtInEndpoint": "Built-in"
   },
   "proximityAlerts": {
     "getNotified": "Get notified when approaching surveillance devices",

lib/localizations/es.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Configuración Avanzada",
     "advancedSettingsSubtitle": "Configuración de rendimiento, alertas y proveedores de teselas",
     "proximityAlerts": "Alertas de Proximidad",
-    "networkStatusIndicator": "Indicador de Estado de Red"
+    "networkStatusIndicator": "Indicador de Estado de Red",
+    "apiEndpoints": "Endpoints de API",
+    "apiEndpointsDescription": "Configurar el orden de prioridad de los endpoints de API, agregar endpoints personalizados o restablecer valores predeterminados.",
+    "apiEndpointRouting": "Enrutamiento",
+    "apiEndpointNodeSource": "Fuente de nodos",
+    "invalidUrl": "Ingrese una URL HTTPS válida",
+    "addEndpoint": "Agregar Endpoint",
+    "editEndpoint": "Editar Endpoint",
+    "resetToDefaults": "Restablecer Valores Predeterminados",
+    "endpointName": "Nombre del Endpoint",
+    "endpointUrl": "URL del Endpoint",
+    "endpointMaxRetries": "Máx. Reintentos",
+    "endpointTimeout": "Tiempo de espera (segundos)",
+    "endpointEnabled": "Habilitado",
+    "noEnabledEndpoints": "Al menos un endpoint debe permanecer habilitado",
+    "confirmResetEndpoints": "¿Restablecer todos los endpoints a su configuración predeterminada?",
+    "builtInEndpoint": "Incorporado"
   },
   "proximityAlerts": {
     "getNotified": "Recibe notificaciones al acercarte a dispositivos de vigilancia",

lib/localizations/fr.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Paramètres Avancés",
     "advancedSettingsSubtitle": "Paramètres de performance, alertes et fournisseurs de tuiles",
     "proximityAlerts": "Alertes de Proximité",
-    "networkStatusIndicator": "Indicateur de Statut Réseau"
+    "networkStatusIndicator": "Indicateur de Statut Réseau",
+    "apiEndpoints": "Points d'accès API",
+    "apiEndpointsDescription": "Configurer l'ordre de priorité des points d'accès API, ajouter des points d'accès personnalisés ou réinitialiser aux valeurs par défaut.",
+    "apiEndpointRouting": "Routage",
+    "apiEndpointNodeSource": "Source des nœuds",
+    "invalidUrl": "Entrez une URL HTTPS valide",
+    "addEndpoint": "Ajouter un Point d'accès",
+    "editEndpoint": "Modifier le Point d'accès",
+    "resetToDefaults": "Réinitialiser aux Valeurs par Défaut",
+    "endpointName": "Nom du Point d'accès",
+    "endpointUrl": "URL du Point d'accès",
+    "endpointMaxRetries": "Max. Tentatives",
+    "endpointTimeout": "Délai d'attente (secondes)",
+    "endpointEnabled": "Activé",
+    "noEnabledEndpoints": "Au moins un point d'accès doit rester activé",
+    "confirmResetEndpoints": "Réinitialiser tous les points d'accès à leur configuration par défaut ?",
+    "builtInEndpoint": "Intégré"
   },
   "proximityAlerts": {
     "getNotified": "Recevoir des notifications en s'approchant de dispositifs de surveillance",

lib/localizations/it.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Impostazioni Avanzate",
     "advancedSettingsSubtitle": "Impostazioni di prestazioni, avvisi e fornitori di tessere",
     "proximityAlerts": "Avvisi di Prossimità",
-    "networkStatusIndicator": "Indicatore di Stato di Rete"
+    "networkStatusIndicator": "Indicatore di Stato di Rete",
+    "apiEndpoints": "Endpoint API",
+    "apiEndpointsDescription": "Configura l'ordine di priorità degli endpoint API, aggiungi endpoint personalizzati o ripristina i valori predefiniti.",
+    "apiEndpointRouting": "Routing",
+    "apiEndpointNodeSource": "Fonte dei nodi",
+    "invalidUrl": "Inserisci un URL HTTPS valido",
+    "addEndpoint": "Aggiungi Endpoint",
+    "editEndpoint": "Modifica Endpoint",
+    "resetToDefaults": "Ripristina Predefiniti",
+    "endpointName": "Nome Endpoint",
+    "endpointUrl": "URL Endpoint",
+    "endpointMaxRetries": "Max Tentativi",
+    "endpointTimeout": "Timeout (secondi)",
+    "endpointEnabled": "Abilitato",
+    "noEnabledEndpoints": "Almeno un endpoint deve rimanere abilitato",
+    "confirmResetEndpoints": "Ripristinare tutti gli endpoint alla configurazione predefinita?",
+    "builtInEndpoint": "Integrato"
   },
   "proximityAlerts": {
     "getNotified": "Ricevi notifiche quando ti avvicini a dispositivi di sorveglianza",

lib/localizations/nl.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Geavanceerde Instellingen",
     "advancedSettingsSubtitle": "Prestaties, waarschuwingen en tile provider instellingen",
     "proximityAlerts": "Nabijheids Waarschuwingen",
-    "networkStatusIndicator": "Netwerk Status Indicator"
+    "networkStatusIndicator": "Netwerk Status Indicator",
+    "apiEndpoints": "API-eindpunten",
+    "apiEndpointsDescription": "Configureer de prioriteitsvolgorde van API-eindpunten, voeg aangepaste eindpunten toe of reset naar standaard.",
+    "apiEndpointRouting": "Routing",
+    "apiEndpointNodeSource": "Knooppuntbron",
+    "invalidUrl": "Voer een geldige HTTPS-URL in",
+    "addEndpoint": "Eindpunt Toevoegen",
+    "editEndpoint": "Eindpunt Bewerken",
+    "resetToDefaults": "Standaardwaarden Herstellen",
+    "endpointName": "Eindpuntnaam",
+    "endpointUrl": "Eindpunt-URL",
+    "endpointMaxRetries": "Max. Pogingen",
+    "endpointTimeout": "Timeout (seconden)",
+    "endpointEnabled": "Ingeschakeld",
+    "noEnabledEndpoints": "Minstens één eindpunt moet ingeschakeld blijven",
+    "confirmResetEndpoints": "Alle eindpunten terugzetten naar standaardconfiguratie?",
+    "builtInEndpoint": "Ingebouwd"
   },
   "proximityAlerts": {
     "getNotified": "Krijg meldingen wanneer u surveillance apparaten nadert",

lib/localizations/pl.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Ustawienia Zaawansowane",
     "advancedSettingsSubtitle": "Wydajność, alerty i ustawienia dostawców kafelków",
     "proximityAlerts": "Alerty Bliskości",
-    "networkStatusIndicator": "Wskaźnik Stanu Sieci"
+    "networkStatusIndicator": "Wskaźnik Stanu Sieci",
+    "apiEndpoints": "Punkty końcowe API",
+    "apiEndpointsDescription": "Skonfiguruj kolejność priorytetów punktów końcowych API, dodaj niestandardowe punkty końcowe lub przywróć wartości domyślne.",
+    "apiEndpointRouting": "Trasowanie",
+    "apiEndpointNodeSource": "Źródło węzłów",
+    "invalidUrl": "Wprowadź prawidłowy URL HTTPS",
+    "addEndpoint": "Dodaj Punkt Końcowy",
+    "editEndpoint": "Edytuj Punkt Końcowy",
+    "resetToDefaults": "Przywróć Domyślne",
+    "endpointName": "Nazwa Punktu Końcowego",
+    "endpointUrl": "URL Punktu Końcowego",
+    "endpointMaxRetries": "Maks. Powtórzeń",
+    "endpointTimeout": "Limit czasu (sekundy)",
+    "endpointEnabled": "Włączony",
+    "noEnabledEndpoints": "Co najmniej jeden punkt końcowy musi pozostać włączony",
+    "confirmResetEndpoints": "Przywrócić wszystkie punkty końcowe do konfiguracji domyślnej?",
+    "builtInEndpoint": "Wbudowany"
   },
   "proximityAlerts": {
     "getNotified": "Otrzymuj powiadomienia przy zbliżaniu się do urządzeń nadzoru",

lib/localizations/pt.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Configurações Avançadas",
     "advancedSettingsSubtitle": "Configurações de desempenho, alertas e provedores de mapas",
     "proximityAlerts": "Alertas de Proximidade",
-    "networkStatusIndicator": "Indicador de Status de Rede"
+    "networkStatusIndicator": "Indicador de Status de Rede",
+    "apiEndpoints": "Endpoints de API",
+    "apiEndpointsDescription": "Configurar a ordem de prioridade dos endpoints de API, adicionar endpoints personalizados ou redefinir para os padrões.",
+    "apiEndpointRouting": "Roteamento",
+    "apiEndpointNodeSource": "Fonte de nós",
+    "invalidUrl": "Insira um URL HTTPS válido",
+    "addEndpoint": "Adicionar Endpoint",
+    "editEndpoint": "Editar Endpoint",
+    "resetToDefaults": "Redefinir para Padrões",
+    "endpointName": "Nome do Endpoint",
+    "endpointUrl": "URL do Endpoint",
+    "endpointMaxRetries": "Máx. Tentativas",
+    "endpointTimeout": "Tempo limite (segundos)",
+    "endpointEnabled": "Habilitado",
+    "noEnabledEndpoints": "Pelo menos um endpoint deve permanecer habilitado",
+    "confirmResetEndpoints": "Redefinir todos os endpoints para a configuração padrão?",
+    "builtInEndpoint": "Integrado"
   },
   "proximityAlerts": {
     "getNotified": "Receba notificações ao se aproximar de dispositivos de vigilância",

lib/localizations/tr.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Gelişmiş Ayarlar",
     "advancedSettingsSubtitle": "Performans, uyarılar ve döşeme sağlayıcı ayarları",
     "proximityAlerts": "Yakınlık Uyarıları",
-    "networkStatusIndicator": "Ağ Durumu Göstergesi"
+    "networkStatusIndicator": "Ağ Durumu Göstergesi",
+    "apiEndpoints": "API Uç Noktaları",
+    "apiEndpointsDescription": "API uç noktası öncelik sırasını yapılandırın, özel uç noktalar ekleyin veya varsayılanlara sıfırlayın.",
+    "apiEndpointRouting": "Yönlendirme",
+    "apiEndpointNodeSource": "Düğüm kaynağı",
+    "invalidUrl": "Geçerli bir HTTPS URL'si girin",
+    "addEndpoint": "Uç Nokta Ekle",
+    "editEndpoint": "Uç Noktayı Düzenle",
+    "resetToDefaults": "Varsayılanlara Sıfırla",
+    "endpointName": "Uç Nokta Adı",
+    "endpointUrl": "Uç Nokta URL'si",
+    "endpointMaxRetries": "Maks. Yeniden Deneme",
+    "endpointTimeout": "Zaman Aşımı (saniye)",
+    "endpointEnabled": "Etkin",
+    "noEnabledEndpoints": "En az bir uç nokta etkin kalmalıdır",
+    "confirmResetEndpoints": "Tüm uç noktalar varsayılan yapılandırmaya sıfırlansın mı?",
+    "builtInEndpoint": "Yerleşik"
   },
   "proximityAlerts": {
     "getNotified": "Gözetleme cihazlarına yaklaşırken bildirim al",

lib/localizations/uk.json

@@ -111,7 +111,23 @@
     "advancedSettings": "Розширені Налаштування",
     "advancedSettingsSubtitle": "Продуктивність, сповіщення та налаштування постачальників плиток",
     "proximityAlerts": "Сповіщення Про Близькість",
-    "networkStatusIndicator": "Індикатор Стану Мережі"
+    "networkStatusIndicator": "Індикатор Стану Мережі",
+    "apiEndpoints": "Кінцеві точки API",
+    "apiEndpointsDescription": "Налаштувати порядок пріоритету кінцевих точок API, додати власні кінцеві точки або скинути до стандартних.",
+    "apiEndpointRouting": "Маршрутизація",
+    "apiEndpointNodeSource": "Джерело вузлів",
+    "invalidUrl": "Введіть дійсну HTTPS URL-адресу",
+    "addEndpoint": "Додати Кінцеву Точку",
+    "editEndpoint": "Редагувати Кінцеву Точку",
+    "resetToDefaults": "Скинути до Стандартних",
+    "endpointName": "Назва Кінцевої Точки",
+    "endpointUrl": "URL Кінцевої Точки",
+    "endpointMaxRetries": "Макс. Спроб",
+    "endpointTimeout": "Тайм-аут (секунди)",
+    "endpointEnabled": "Увімкнено",
+    "noEnabledEndpoints": "Принаймні одна кінцева точка повинна залишатися увімкненою",
+    "confirmResetEndpoints": "Скинути всі кінцеві точки до стандартної конфігурації?",
+    "builtInEndpoint": "Вбудована"
   },
   "proximityAlerts": {
     "getNotified": "Отримувати сповіщення при наближенні до пристроїв спостереження",

lib/localizations/zh.json

@@ -111,7 +111,23 @@
     "advancedSettings": "高级设置",
     "advancedSettingsSubtitle": "性能、警报和地图提供商设置",
     "proximityAlerts": "邻近警报",
-    "networkStatusIndicator": "网络状态指示器"
+    "networkStatusIndicator": "网络状态指示器",
+    "apiEndpoints": "API 端点",
+    "apiEndpointsDescription": "配置 API 端点优先级顺序，添加自定义端点或重置为默认值。",
+    "apiEndpointRouting": "路由",
+    "apiEndpointNodeSource": "节点来源",
+    "invalidUrl": "请输入有效的 HTTPS URL",
+    "addEndpoint": "添加端点",
+    "editEndpoint": "编辑端点",
+    "resetToDefaults": "重置为默认值",
+    "endpointName": "端点名称",
+    "endpointUrl": "端点 URL",
+    "endpointMaxRetries": "最大重试次数",
+    "endpointTimeout": "超时时间（秒）",
+    "endpointEnabled": "已启用",
+    "noEnabledEndpoints": "至少需要保留一个已启用的端点",
+    "confirmResetEndpoints": "将所有端点重置为默认配置？",
+    "builtInEndpoint": "内置"
   },
   "proximityAlerts": {
     "getNotified": "接近监控设备时接收通知",