+signup +login

frontend/pshared/lib/api/errors/authorization_failed.dart

@@ -1,2 +1,22 @@
-class AuthorizationFailed implements Exception {
+class AuthenticationFailedException implements Exception {
+  final String message;
+  final Exception? originalError;
+
+  const AuthenticationFailedException(this.message, [this.originalError]);
+
+  @override
+  String toString() {
+    return 'AuthenticationFailedException: $message${originalError != null ? ' (caused by: $originalError)' : ''}';
+  }
+}
+
+class CircuitBreakerOpenException implements Exception {
+  final String message;
+
+  const CircuitBreakerOpenException(this.message);
+
+  @override
+  String toString() {
+    return 'CircuitBreakerOpenException: $message';
+  }
 }

frontend/pshared/lib/api/requests/login.dart

@@ -1,20 +1,18 @@
 import 'package:json_annotation/json_annotation.dart';
 
+import 'package:pshared/api/requests/login_data.dart';
+
 part 'login.g.dart';
 
 
 @JsonSerializable(explicitToJson: true)
 class LoginRequest {
-  final String login;
-  final String password;
-  final String locale;
+  final LoginData login;
   final String clientId;
   final String deviceId;
 
   const LoginRequest({
     required this.login,
-    required this.password,
-    required this.locale,
     required this.clientId,
     required this.deviceId,
   });

frontend/pshared/lib/api/requests/login_data.dart

@@ -0,0 +1,76 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'login_data.g.dart';
+
+
+@JsonSerializable(explicitToJson: true, constructor: 'build')
+class LoginData {
+  final String login;
+  final String password;
+  final String locale;
+
+  const LoginData._({
+    required this.login,
+    required this.password,
+    required this.locale,
+  });
+
+  factory LoginData.build({
+    required String login,
+    required String password,
+    required String locale,
+  }) => LoginData._(
+    login: login.trim().toLowerCase(),
+    password: password,
+    locale: locale,
+  );
+
+  factory LoginData.fromJson(Map<String, dynamic> json) => _$LoginDataFromJson(json);
+  Map<String, dynamic> toJson() => _$LoginDataToJson(this);
+}
+
+@JsonSerializable(explicitToJson: true, constructor: 'buildIstance')
+class AccountData extends LoginData {
+  final String name;
+  final String lastName;
+
+  const AccountData._({
+    required super.login,
+    required super.password,
+    required super.locale,
+    required this.name,
+    required this.lastName,
+  }) : super._();
+
+  factory AccountData.buildIstance({
+    required String login,
+    required String password,
+    required String locale,
+    required String name,
+    required String lastName,
+  }) => AccountData._(
+    login: login,
+    password: password,
+    locale: locale,
+    name: name.trim(),
+    lastName: lastName.trim(),
+  );
+
+  factory AccountData.build({
+    required LoginData login,
+    required String name,
+    required String lastName,
+  }) => AccountData.buildIstance(
+    login: login.login,
+    password: login.password,
+    locale: login.locale,
+    name: name,
+    lastName: lastName,
+  );
+
+
+  factory AccountData.fromJson(Map<String, dynamic> json) => _$AccountDataFromJson(json);
+
+  @override
+  Map<String, dynamic> toJson() => _$AccountDataToJson(this);
+}

frontend/pshared/lib/api/requests/password/change.dart

@@ -1,6 +1,6 @@
 import 'package:json_annotation/json_annotation.dart';
 
-part 'change_password.g.dart';
+part 'change.g.dart';
 
 
 @JsonSerializable(explicitToJson: true)

frontend/pshared/lib/api/requests/password/forgot.dart

@@ -0,0 +1,20 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'forgot.g.dart';
+
+
+@JsonSerializable()
+class ForgotPasswordRequest {
+  final String login;
+
+  const ForgotPasswordRequest({
+    required this.login,
+  });
+
+  factory ForgotPasswordRequest.fromJson(Map<String, dynamic> json) => _$ForgotPasswordRequestFromJson(json);
+  Map<String, dynamic> toJson() => _$ForgotPasswordRequestToJson(this);
+
+  static ForgotPasswordRequest build({
+    required String login,
+  }) => ForgotPasswordRequest(login: login);
+}

frontend/pshared/lib/api/requests/password/reset.dart

@@ -0,0 +1,20 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'reset.g.dart';
+
+
+@JsonSerializable()
+class ResetPasswordRequest {
+  final String password;
+
+  const ResetPasswordRequest({
+    required this.password,
+  });
+
+  factory ResetPasswordRequest.fromJson(Map<String, dynamic> json) => _$ResetPasswordRequestFromJson(json);
+  Map<String, dynamic> toJson() => _$ResetPasswordRequestToJson(this);
+
+  static ResetPasswordRequest build({
+    required String password,
+  }) => ResetPasswordRequest(password: password);
+} 

frontend/pshared/lib/api/requests/signup.dart

@@ -1,82 +1,39 @@
 import 'package:json_annotation/json_annotation.dart';
 
+import 'package:pshared/api/requests/login_data.dart';
+import 'package:pshared/data/dto/describable.dart';
+import 'package:pshared/data/mapper/describable.dart';
+import 'package:pshared/models/describable.dart';
+
 part 'signup.g.dart';
 
 
 @JsonSerializable(explicitToJson: true)
 class SignupRequest {
-  final SignupAccount account;
-  final DescribableRequest organization;
+  final AccountData account;
+  final DescribableDTO organization;
   final String organizationTimeZone;
-  final DescribableRequest anonymousUser;
-  final DescribableRequest ownerRole;
-  final DescribableRequest anonymousRole;
+  final DescribableDTO ownerRole;
 
   const SignupRequest({
     required this.account,
     required this.organization,
     required this.organizationTimeZone,
-    required this.anonymousUser,
     required this.ownerRole,
-    required this.anonymousRole,
   });
 
   factory SignupRequest.build({
-    required String name,
-    required String login,
-    required String password,
-    required String locale,
-    required String organizationName,
+    required AccountData account,
+    required Describable organization,
     required String organizationTimeZone,
-  }) =>
-      SignupRequest(
-        account: SignupAccount(
-          name: name,
-          login: login,
-          password: password,
-          locale: locale,
-        ),
-        organization: DescribableRequest(name: organizationName),
-        organizationTimeZone: organizationTimeZone,
-        anonymousUser: const DescribableRequest(name: 'Anonymous'),
-        ownerRole: const DescribableRequest(name: 'Owner'),
-        anonymousRole: const DescribableRequest(name: 'Anonymous'),
-      );
+    required Describable ownerRole,
+  }) => SignupRequest(
+    account: account, 
+    organization: organization.toDTO(), 
+    organizationTimeZone: organizationTimeZone, 
+    ownerRole: ownerRole.toDTO(),
+  );
 
-  factory SignupRequest.fromJson(Map<String, dynamic> json) =>
-      _$SignupRequestFromJson(json);
+  factory SignupRequest.fromJson(Map<String, dynamic> json) => _$SignupRequestFromJson(json);
   Map<String, dynamic> toJson() => _$SignupRequestToJson(this);
 }
-
-@JsonSerializable()
-class SignupAccount {
-  final String name;
-  final String login;
-  final String password;
-  final String locale;
-  final String? description;
-
-  const SignupAccount({
-    required this.name,
-    required this.login,
-    required this.password,
-    required this.locale,
-    this.description,
-  });
-
-  factory SignupAccount.fromJson(Map<String, dynamic> json) =>
-      _$SignupAccountFromJson(json);
-  Map<String, dynamic> toJson() => _$SignupAccountToJson(this);
-}
-
-@JsonSerializable()
-class DescribableRequest {
-  final String name;
-  final String? description;
-
-  const DescribableRequest({required this.name, this.description});
-
-  factory DescribableRequest.fromJson(Map<String, dynamic> json) =>
-      _$DescribableRequestFromJson(json);
-  Map<String, dynamic> toJson() => _$DescribableRequestToJson(this);
-}

frontend/pshared/lib/data/dto/account/account.dart

@@ -1,6 +1,7 @@
 import 'package:json_annotation/json_annotation.dart';
 
 import 'package:pshared/data/dto/account/base.dart';
+import 'package:pshared/data/dto/date_time.dart';
 
 part 'account.g.dart';
 
@@ -8,14 +9,17 @@ part 'account.g.dart';
 @JsonSerializable()
 class AccountDTO extends AccountBaseDTO {
   final String login;
+  final String locale;
 
   const AccountDTO({
     required super.id,
     required super.createdAt,
     required super.updatedAt,
     required super.name,
+    required super.lastName,
+    required super.description,
     required super.avatarUrl,
-    required super.locale,
+    required this.locale,
     required this.login,
   });
 

frontend/pshared/lib/data/dto/account/base.dart

@@ -1,6 +1,7 @@
 import 'package:json_annotation/json_annotation.dart';
 
 import 'package:pshared/data/dto/storable.dart';
+import 'package:pshared/data/dto/date_time.dart';
 
 part 'base.g.dart';
 
@@ -8,7 +9,8 @@ part 'base.g.dart';
 @JsonSerializable()
 class AccountBaseDTO extends StorableDTO {
   final String name;
-  final String locale;
+  final String lastName;
+  final String? description;
   final String? avatarUrl;
 
   const AccountBaseDTO({
@@ -16,8 +18,9 @@ class AccountBaseDTO extends StorableDTO {
     required super.createdAt,
     required super.updatedAt,
     required this.name,
+    required this.description,
     required this.avatarUrl,
-    required this.locale,
+    required this.lastName,
   });
 
   factory AccountBaseDTO.fromJson(Map<String, dynamic> json) => _$AccountBaseDTOFromJson(json);

frontend/pshared/lib/data/dto/date_time.dart

@@ -0,0 +1,12 @@
+import 'package:json_annotation/json_annotation.dart';
+
+
+class UtcIso8601Converter implements JsonConverter<DateTime, String> {
+  const UtcIso8601Converter();
+
+  @override
+  DateTime fromJson(String json) => DateTime.parse(json).toUtc();
+
+  @override
+  String toJson(DateTime value) => value.toUtc().toIso8601String();
+}

frontend/pshared/lib/data/dto/describable.dart

@@ -0,0 +1,18 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'describable.g.dart';
+
+
+@JsonSerializable()
+class DescribableDTO {
+  final String name;
+  final String? description;
+
+  const DescribableDTO({
+    required this.name,
+    this.description,
+  });
+
+  factory DescribableDTO.fromJson(Map<String, dynamic> json) => _$DescribableDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$DescribableDTOToJson(this);
+}

frontend/pshared/lib/data/dto/organization.dart

@@ -1,18 +1,28 @@
 import 'package:json_annotation/json_annotation.dart';
-import 'package:pshared/data/dto/storable.dart';
+
+import 'package:pshared/data/dto/date_time.dart';
+import 'package:pshared/data/dto/permissions/bound.dart';
 
 part 'organization.g.dart';
 
 
 @JsonSerializable()
-class OrganizationDTO extends StorableDTO {
+class OrganizationDTO extends PermissionBoundDTO {
+  final String name;
+  final String? description;
   final String timeZone;
   final String? logoUrl;
+  final String tenantRef;
 
   const OrganizationDTO({
     required super.id,
     required super.createdAt,
     required super.updatedAt,
+    required super.permissionRef,
+    required super.organizationRef,
+    required this.name,
+    required this.tenantRef,
+    this.description,
     required this.timeZone,
     this.logoUrl,
   });

frontend/pshared/lib/data/dto/organization/bound.dart

@@ -0,0 +1,23 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/storable.dart';
+import 'package:pshared/data/dto/date_time.dart';
+
+part 'bound.g.dart';
+
+
+@JsonSerializable()
+class OrganizationBoundDTO extends StorableDTO {
+  final String organizationRef;
+
+  const OrganizationBoundDTO({
+    required super.id,
+    required super.createdAt,
+    required super.updatedAt,
+    required this.organizationRef,
+  });
+
+  factory OrganizationBoundDTO.fromJson(Map<String, dynamic> json) => _$OrganizationBoundDTOFromJson(json);
+  @override
+  Map<String, dynamic> toJson() => _$OrganizationBoundDTOToJson(this);
+}

frontend/pshared/lib/data/dto/organization/description.dart

@@ -1,13 +1,17 @@
 import 'package:json_annotation/json_annotation.dart';
 
+import 'package:pshared/data/dto/describable.dart';
+
 part 'description.g.dart';
 
 
 @JsonSerializable()
 class OrganizationDescriptionDTO {
+  final DescribableDTO description;
   final String? logoUrl;
 
   const OrganizationDescriptionDTO({
+    required this.description,
     this.logoUrl,
   });
 

frontend/pshared/lib/data/dto/permissions/bound.dart

@@ -0,0 +1,26 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/date_time.dart';
+import 'package:pshared/data/dto/storable.dart';
+
+part 'bound.g.dart';
+
+
+@JsonSerializable()
+class PermissionBoundDTO extends StorableDTO {
+  final String permissionRef;
+  final String organizationRef;
+
+  const PermissionBoundDTO({
+    required super.id,
+    required super.createdAt,
+    required super.updatedAt,
+    required this.permissionRef,
+    required this.organizationRef,
+  });
+
+  factory PermissionBoundDTO.fromJson(Map<String, dynamic> json) => _$PermissionBoundDTOFromJson(json);
+
+  @override
+  Map<String, dynamic> toJson() => _$PermissionBoundDTOToJson(this);
+}

frontend/pshared/lib/data/dto/permissions/description/policy.dart

@@ -1,12 +1,14 @@
 import 'package:json_annotation/json_annotation.dart';
-import 'package:pshared/data/dto/storable.dart';
+
+import 'package:pshared/data/dto/storable/describable.dart';
+import 'package:pshared/data/dto/date_time.dart';
 import 'package:pshared/models/resources.dart';
 
 part 'policy.g.dart';
 
 
 @JsonSerializable()
-class PolicyDescriptionDTO extends StorableDTO {
+class PolicyDescriptionDTO extends StorableDescribabaleDTO {
   final List<ResourceType>? resourceTypes;
   final String? organizationRef;
 
@@ -14,6 +16,8 @@ class PolicyDescriptionDTO extends StorableDTO {
     required super.id,
     required super.createdAt,
     required super.updatedAt,
+    required super.name,
+    required super.description,
     required this.resourceTypes,
     required this.organizationRef,
   });

frontend/pshared/lib/data/dto/permissions/description/role.dart

@@ -1,17 +1,21 @@
 import 'package:json_annotation/json_annotation.dart';
-import 'package:pshared/data/dto/storable.dart';
+
+import 'package:pshared/data/dto/date_time.dart';
+import 'package:pshared/data/dto/storable/describable.dart';
 
 part 'role.g.dart';
 
 
 @JsonSerializable()
-class RoleDescriptionDTO extends StorableDTO {
+class RoleDescriptionDTO extends StorableDescribabaleDTO {
   final String organizationRef;
 
   const RoleDescriptionDTO({
     required super.id,
     required super.createdAt,
     required super.updatedAt,
+    required super.name,
+    required super.description,
     required this.organizationRef,
   });
 

frontend/pshared/lib/data/dto/reference.dart

@@ -0,0 +1,16 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'reference.g.dart';
+
+
+@JsonSerializable()
+class ReferenceDTO {
+  final String ref;
+
+  const ReferenceDTO({
+    required this.ref,
+  });
+
+  factory ReferenceDTO.fromJson(Map<String, dynamic> json) => _$ReferenceDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$ReferenceDTOToJson(this);
+}

frontend/pshared/lib/data/dto/storable.dart

@@ -1,12 +1,18 @@
 import 'package:json_annotation/json_annotation.dart';
 
+import 'package:pshared/data/dto/date_time.dart';
+
 part 'storable.g.dart';
 
 
 @JsonSerializable()
 class StorableDTO {
   final String id;
+
+  @UtcIso8601Converter()
   final DateTime createdAt;
+
+  @UtcIso8601Converter()
   final DateTime updatedAt;
 
   const StorableDTO({

frontend/pshared/lib/data/dto/storable/describable.dart

@@ -0,0 +1,26 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/date_time.dart';
+import 'package:pshared/data/dto/storable.dart';
+
+part 'describable.g.dart';
+
+
+@JsonSerializable()
+class StorableDescribabaleDTO extends StorableDTO {
+  final String name;
+  final String? description;
+
+  const StorableDescribabaleDTO({
+    required super.id,
+    required super.createdAt,
+    required super.updatedAt,
+    required this.name,
+    this.description,
+  });
+
+  factory StorableDescribabaleDTO.fromJson(Map<String, dynamic> json) => _$StorableDescribabaleDTOFromJson(json);
+
+  @override
+  Map<String, dynamic> toJson() => _$StorableDescribabaleDTOToJson(this);
+}

frontend/pshared/lib/data/mapper/account/account.dart

@@ -1,5 +1,6 @@
 import 'package:pshared/data/dto/account/account.dart';
 import 'package:pshared/models/account/account.dart';
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/storable.dart';
 
 
@@ -9,6 +10,8 @@ extension AccountMapper on Account {
     createdAt: createdAt,
     updatedAt: updatedAt,
     name: name,
+    lastName: lastName,
+    description: description,
     avatarUrl: avatarUrl,
     locale: locale,
     login: login,
@@ -19,8 +22,9 @@ extension AccountDTOMapper on AccountDTO {
   Account toDomain() => Account(
     storable: newStorable(id: id, createdAt: createdAt, updatedAt: updatedAt),
     avatarUrl: avatarUrl,
+    describable: newDescribable(name: name, description: description),
+    lastName: lastName,
     locale: locale,
     login: login,
-    name: name,
   );
 }

frontend/pshared/lib/data/mapper/account/base.dart

@@ -1,5 +1,6 @@
 import 'package:pshared/data/dto/account/base.dart';
 import 'package:pshared/models/account/base.dart';
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/storable.dart';
 
 
@@ -8,17 +9,18 @@ extension AccountBaseMapper on AccountBase {
     id: storable.id,
     createdAt: storable.createdAt,
     updatedAt: storable.updatedAt,
+    name: describable.name,
+    description: describable.description,
+    lastName: lastName,
     avatarUrl: avatarUrl,
-    name: name,
-    locale: locale,
   );
 }
 
 extension AccountDTOMapper on AccountBaseDTO {
   AccountBase toDomain() => AccountBase(
     storable: newStorable(id: id, createdAt: createdAt, updatedAt: updatedAt),
+    describable: newDescribable(name: name, description: description),
+    lastName: lastName,
     avatarUrl: avatarUrl,
-    name: name,
-    locale: locale,
   );
 }

frontend/pshared/lib/data/mapper/describable.dart

@@ -0,0 +1,17 @@
+import 'package:pshared/data/dto/describable.dart';
+import 'package:pshared/models/describable.dart';
+
+
+extension DescribableMapper on Describable {
+  DescribableDTO toDTO() => DescribableDTO(
+    name: name,
+    description: description,
+  );
+}
+
+extension DescribableDTOMapper on DescribableDTO {
+  Describable toDomain() => newDescribable(
+    name: name,
+    description: description,
+  );
+}

frontend/pshared/lib/data/mapper/organization.dart

@@ -1,5 +1,8 @@
 import 'package:pshared/data/dto/organization.dart';
+import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/organization/bound.dart';
 import 'package:pshared/models/organization/organization.dart';
+import 'package:pshared/models/permissions/bound.dart';
 import 'package:pshared/models/storable.dart';
 
 
@@ -8,15 +11,26 @@ extension OrganizationMapper on Organization {
     id: storable.id,
     createdAt: storable.createdAt,
     updatedAt: storable.updatedAt,
+    name: describable.name,
+    description: describable.description,
     timeZone: timeZone,
     logoUrl: logoUrl,
+    organizationRef: permissionBound.organizationRef,
+    permissionRef: permissionBound.permissionRef,
+    tenantRef: tenantRef,
   );
 }
 
 extension OrganizationDTOMapper on OrganizationDTO {
   Organization toDomain() => Organization(
     storable: newStorable(id: id, createdAt: createdAt, updatedAt: updatedAt),
+    describable: newDescribable(name: name, description: description),
     timeZone: timeZone,
     logoUrl: logoUrl,
+    permissionBound: newPermissionBound(
+      organizationBound: newOrganizationBound(organizationRef: organizationRef),
+      permissionRef: permissionRef,
+    ),
+    tenantRef: tenantRef,
   );
 }

frontend/pshared/lib/data/mapper/organization/bound.dart

@@ -0,0 +1,18 @@
+import 'package:pshared/data/dto/organization/bound.dart';
+import 'package:pshared/models/organization/bound.dart';
+
+
+extension OrganizationBoundMapper on OrganizationBound {
+  OrganizationBoundDTO toDTO() => OrganizationBoundDTO(
+    id: '', // OrganizationBound doesn't have storable fields, so we need to provide defaults
+    createdAt: DateTime.now(),
+    updatedAt: DateTime.now(),
+    organizationRef: organizationRef,
+  );
+}
+
+extension OrganizationBoundDTOMapper on OrganizationBoundDTO {
+  OrganizationBound toDomain() => newOrganizationBound(
+    organizationRef: organizationRef,
+  );
+}

frontend/pshared/lib/data/mapper/organization/description.dart

@@ -1,9 +1,11 @@
 import 'package:pshared/data/dto/organization/description.dart';
+import 'package:pshared/data/mapper/describable.dart';
 import 'package:pshared/models/organization/description.dart';
 
 
 extension OrganizationDescriptionMapper on OrganizationDescription {
   OrganizationDescriptionDTO toDTO() => OrganizationDescriptionDTO(
+    description: description.toDTO(),
     logoUrl: logoUrl,
   );
 }
@@ -11,5 +13,6 @@ extension OrganizationDescriptionMapper on OrganizationDescription {
 extension AccountDescriptionDTOMapper on OrganizationDescriptionDTO {
   OrganizationDescription toDomain() => OrganizationDescription(
     logoUrl: logoUrl,
+    description: description.toDomain(),
   );
 }

frontend/pshared/lib/data/mapper/permissions/descriptions/policy.dart

@@ -1,4 +1,5 @@
 import 'package:pshared/data/dto/permissions/description/policy.dart';
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/permissions/descriptions/policy.dart';
 import 'package:pshared/models/storable.dart';
 
@@ -8,6 +9,8 @@ extension PolicyDescriptionMapper on PolicyDescription {
     id: storable.id,
     createdAt: storable.createdAt,
     updatedAt: storable.updatedAt,
+    name: describable.name,
+    description: describable.description,
     resourceTypes: resourceTypes,
     organizationRef: organizationRef,
   );
@@ -16,6 +19,7 @@ extension PolicyDescriptionMapper on PolicyDescription {
 extension PolicyDescriptionDTOMapper on PolicyDescriptionDTO {
   PolicyDescription toDomain() => PolicyDescription(
     storable: newStorable(id: id, createdAt: createdAt, updatedAt: createdAt),
+    describable: newDescribable(name: name, description: description),
     resourceTypes: resourceTypes,
     organizationRef: organizationRef,
   );

frontend/pshared/lib/data/mapper/permissions/descriptions/role.dart

@@ -1,4 +1,5 @@
 import 'package:pshared/data/dto/permissions/description/role.dart';
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/permissions/descriptions/role.dart';
 import 'package:pshared/models/storable.dart';
 
@@ -8,6 +9,8 @@ extension RoleDescriptionMapper on RoleDescription {
     id: storable.id,
     createdAt: storable.createdAt,
     updatedAt: storable.updatedAt,
+    name: describable.name,
+    description: describable.description,
     organizationRef: organizationRef,
   );
 }
@@ -15,6 +18,7 @@ extension RoleDescriptionMapper on RoleDescription {
 extension RoleDescriptionDTOMapper on RoleDescriptionDTO {
   RoleDescription toDomain() => RoleDescription(
     storable: newStorable(id: id, createdAt: createdAt, updatedAt: updatedAt),
+    describable: newDescribable(name: name, description: description),
     organizationRef: organizationRef,
   );
 }

frontend/pshared/lib/data/mapper/reference.dart

@@ -0,0 +1,11 @@
+import 'package:pshared/data/dto/reference.dart';
+import 'package:pshared/models/reference.dart';
+
+
+extension ReferenceMapper on Reference {
+  ReferenceDTO toDTO() => ReferenceDTO(ref: ref);
+}
+
+extension ReferenceDTOMapper on ReferenceDTO {
+  Reference toDomain() => newReference(ref: ref);
+}

frontend/pshared/lib/data/mapper/storable.dart

@@ -3,7 +3,7 @@ import 'package:pshared/models/storable.dart';
 
 
 extension StorableMapper on Storable {
-  StorableDTO toDTO() => StorableDTO(id: id, createdAt: createdAt, updatedAt: updatedAt);
+  StorableDTO toDTO() => StorableDTO(id: id, createdAt: createdAt.toUtc(), updatedAt: updatedAt.toUtc());
 }
 
 extension StorableDTOMapper on StorableDTO {

frontend/pshared/lib/models/account/account.dart

@@ -1,36 +1,35 @@
+import 'package:flutter/foundation.dart';
+
 import 'package:pshared/models/account/base.dart';
+import 'package:pshared/models/describable.dart';
 
 
+@immutable
 class Account extends AccountBase {
   final String login;
+  final String locale;
 
   const Account({
     required super.storable,
+    required super.describable,
     required super.avatarUrl,
+    required super.lastName,
     required this.login,
-    required super.locale,
-    required super.name,
+    required this.locale,
   });
 
-  factory Account.fromBase(AccountBase accountBase, String login) => Account(
-    storable: accountBase.storable,
-    avatarUrl: accountBase.avatarUrl,
-    locale: accountBase.locale,
-    name: accountBase.name,
-    login: login,
-  );
-
   @override
   Account copyWith({
+    Describable? describable,
+    String? lastName,
     String? Function()? avatarUrl,
-    String? name,
     String? locale,
-  }) {
-    final updatedBase = super.copyWith(
-      avatarUrl: avatarUrl,
-      name: name,
-      locale: locale,
-    );
-    return Account.fromBase(updatedBase, login);
-  }
+  }) => Account(
+    storable: storable,
+    describable: describableCopyWithOther(this.describable, describable),
+    lastName: lastName ?? this.lastName,
+    avatarUrl: avatarUrl != null ? avatarUrl() : this.avatarUrl,
+    login: login,
+    locale: locale ?? this.locale,
+  );
 }

frontend/pshared/lib/models/account/base.dart

@@ -1,8 +1,16 @@
+import 'package:flutter/foundation.dart';
+
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/storable.dart';
+import 'package:pshared/models/storable/describable.dart';
+import 'package:pshared/utils/name_initials.dart';
 
 
-class AccountBase implements Storable {
+@immutable
+class AccountBase implements StorableDescribable {
   final Storable storable;
+  final Describable describable;
+  final String lastName;
 
   @override
   String get id => storable.id;
@@ -10,26 +18,30 @@ class AccountBase implements Storable {
   DateTime get createdAt => storable.createdAt;
   @override
   DateTime get updatedAt => storable.updatedAt;
+  @override
+  String get name => describable.name;
+  @override
+  String? get description => describable.description;
 
   final String? avatarUrl;
-  final String name;
-  final String locale;
 
   const AccountBase({
     required this.storable,
-    required this.name,
-    required this.locale,
+    required this.describable,
     required this.avatarUrl,
+    required this.lastName,
   });
 
+  String get nameInitials => getNameInitials(describable.name);
+
    AccountBase copyWith({
+    Describable? describable,
+    String? lastName,
     String? Function()? avatarUrl,
-    String? name,
-    String? locale,
   }) => AccountBase(
     storable: storable,
     avatarUrl: avatarUrl != null ? avatarUrl() : this.avatarUrl,
-    locale: locale ?? this.locale,
-    name: name ?? this.name,
+    describable: describable ?? this.describable,
+    lastName: lastName ?? this.lastName,
   );
 }

frontend/pshared/lib/models/describable.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/foundation.dart';
+
+
+abstract class Describable {
+  String get name;
+  String? get description;
+}
+
+@immutable
+class _DescribableImp implements Describable {
+  @override
+  final String name;
+  @override
+  final String? description;
+
+  const _DescribableImp({
+    required this.name,
+    required this.description,
+  });
+}
+
+Describable newDescribable({required String name, String? description}) => 
+  _DescribableImp(name: name, description: description);
+
+
+extension DescribableCopier on Describable {
+  Describable copyWith({
+    String? name,
+    String? Function()? description,
+  }) => newDescribable(
+    name: name ?? this.name,
+    description: description != null ? description() : this.description,
+  );
+}
+
+Describable describableCopyWithOther(Describable current, Describable? other) => current.copyWith(
+  name: other?.name,
+  description: () => other?.description,
+);

frontend/pshared/lib/models/organization/bound.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/foundation.dart';
+
+
+abstract class OrganizationBound {
+  String get organizationRef;
+}
+
+@immutable
+class _OrganizationBoundImp implements OrganizationBound {
+  @override
+  final String organizationRef;
+
+  const _OrganizationBoundImp({
+    required this.organizationRef,
+  });
+}
+
+OrganizationBound newOrganizationBound({ required String organizationRef }) => _OrganizationBoundImp(organizationRef: organizationRef);

frontend/pshared/lib/models/organization/description.dart

@@ -1,7 +1,12 @@
+import 'package:pshared/models/describable.dart';
+
+
 class OrganizationDescription {
+  final Describable description;
   final String? logoUrl;
 
   const OrganizationDescription({
+    required this.description,
     this.logoUrl,
   });
 }

frontend/pshared/lib/models/organization/organization.dart

@@ -1,8 +1,13 @@
+import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/permissions/bound.dart';
+import 'package:pshared/models/permissions/bound/describable.dart';
 import 'package:pshared/models/storable.dart';
 
 
-class Organization implements Storable {
+class Organization implements PermissionBoundStorableDescribable {
   final Storable storable;
+  final PermissionBound permissionBound;
+  final Describable describable;
 
   @override
   String get id => storable.id;
@@ -10,25 +15,39 @@ class Organization implements Storable {
   DateTime get createdAt => storable.createdAt;
   @override
   DateTime get updatedAt => storable.updatedAt;
+  @override
+  String get organizationRef => permissionBound.organizationRef;
+  @override
+  String get permissionRef => permissionBound.permissionRef;
+  @override
+  String get name => describable.name;
+  @override
+  String? get description => describable.description;
 
   final String timeZone;
   final String? logoUrl;
+  final String tenantRef;
 
   const Organization({
     required this.storable,
+    required this.describable,
     required this.timeZone,
+    required this.permissionBound,
+    required this.tenantRef,
     this.logoUrl,
   });
 
 
   Organization copyWith({
-    String? name,
-    String? Function()? description,
+    Describable? describable,
     String? timeZone,
     String? Function()? logoUrl,
   }) => Organization(
     storable: storable, // Same Storable, same id
+    describable: describableCopyWithOther(this.describable, describable),
     timeZone: timeZone ?? this.timeZone,
     logoUrl: logoUrl != null ? logoUrl() : this.logoUrl,
+    permissionBound: permissionBound,
+    tenantRef: tenantRef,
   );
 }

frontend/pshared/lib/models/permission_bound.dart

@@ -1,22 +0,0 @@
-import 'package:pshared/config/constants.dart';
-
-
-abstract class PermissionBound {
-  String get permissionRef;
-  String get organizationRef;
-}
-
-class _PermissionBoundImp implements PermissionBound {
-  @override
-  final String permissionRef;
-  @override
-  final String organizationRef;
-
-  const _PermissionBoundImp({
-    required this.permissionRef,
-    required this.organizationRef,
-  });
-}
-
-PermissionBound newPermissionBound({ required String organizationRef, String? permissionRef}) => 
-  _PermissionBoundImp(permissionRef: permissionRef ?? Constants.nilObjectRef, organizationRef: organizationRef);

frontend/pshared/lib/models/permissions/bound.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/foundation.dart';
+
+import 'package:pshared/config/constants.dart';
+import 'package:pshared/models/organization/bound.dart';
+
+
+abstract class PermissionBound extends OrganizationBound {
+  String get permissionRef;
+}
+
+@immutable
+class _PermissionBoundImp implements PermissionBound {
+  @override
+  final String permissionRef;
+  final OrganizationBound organizationBound;
+
+  @override
+  get organizationRef => organizationBound.organizationRef;
+
+  const _PermissionBoundImp({
+    required this.permissionRef,
+    required this.organizationBound,
+  });
+}
+
+PermissionBound newPermissionBound({ 
+  required OrganizationBound organizationBound, 
+  String? permissionRef,
+}) => _PermissionBoundImp(
+  permissionRef: permissionRef ?? Constants.nilObjectRef, 
+  organizationBound: organizationBound,
+);

frontend/pshared/lib/models/permissions/bound/describable.dart

@@ -0,0 +1,6 @@
+import 'package:pshared/models/permissions/bound/storable.dart';
+import 'package:pshared/models/storable/describable.dart';
+
+
+abstract class PermissionBoundStorableDescribable implements PermissionBoundStorable, StorableDescribable {
+}

frontend/pshared/lib/models/permissions/bound/storable.dart

@@ -1,4 +1,4 @@
-import 'package:pshared/models/permission_bound.dart';
+import 'package:pshared/models/permissions/bound.dart';
 import 'package:pshared/models/storable.dart';
 
 

frontend/pshared/lib/models/permissions/descriptions/policy.dart

@@ -1,9 +1,12 @@
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/resources.dart';
 import 'package:pshared/models/storable.dart';
+import 'package:pshared/models/storable/describable.dart';
 
 
-class PolicyDescription implements Storable {
+class PolicyDescription implements StorableDescribable {
   final Storable storable;
+  final Describable describable;
   final List<ResourceType>? resourceTypes;
   final String? organizationRef;
 
@@ -13,9 +16,14 @@ class PolicyDescription implements Storable {
   DateTime get createdAt => storable.createdAt;
   @override
   DateTime get updatedAt => storable.updatedAt;
+  @override
+  String get name => describable.name;
+  @override
+  String? get description => describable.description;
 
   const PolicyDescription({
     required this.storable,
+    required this.describable,
     required this.resourceTypes,
     required this.organizationRef,
   });

frontend/pshared/lib/models/permissions/descriptions/role.dart

@@ -1,8 +1,11 @@
+import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/storable.dart';
+import 'package:pshared/models/storable/describable.dart';
 
 
-class RoleDescription implements Storable {
+class RoleDescription implements StorableDescribable {
   final Storable storable;
+  final Describable describable;
 
   @override
   String get id => storable.id;
@@ -10,18 +13,25 @@ class RoleDescription implements Storable {
   DateTime get createdAt => storable.createdAt;
   @override
   DateTime get updatedAt => storable.updatedAt;
+  @override
+  String get name => describable.name;
+  @override
+  String? get description => describable.description;
   
   final String organizationRef;
 
   const RoleDescription({
     required this.storable,
+    required this.describable,
     required this.organizationRef,
   });
 
   factory RoleDescription.build({
+    required Describable roleDescription, 
     required String organizationRef,
   }) => RoleDescription(
       storable: newStorable(), 
+      describable: roleDescription, 
       organizationRef: organizationRef
     );
 }

frontend/pshared/lib/models/reference.dart

@@ -0,0 +1,22 @@
+abstract class Reference {
+  String get ref;
+}
+
+class _ReferenceImp implements Reference {
+  @override
+  final String ref;
+
+  const _ReferenceImp({
+    required this.ref,
+  });
+}
+
+Reference newReference({required String ref}) => _ReferenceImp(ref: ref);
+
+extension ReferenceCopier on Reference {
+  Reference copyWith({
+    String? ref,
+  }) => newReference(
+    ref: ref ?? this.ref,
+  );
+}

frontend/pshared/lib/models/storable.dart

@@ -1,4 +1,6 @@
-import 'package:pshared/config/constants.dart';
+import 'package:flutter/foundation.dart';
+
+import 'package:pshared/config/web.dart';
 
 
 abstract class Storable {
@@ -7,6 +9,7 @@ abstract class Storable {
   DateTime get  updatedAt;
 }
 
+@immutable
 class _StorableImp implements Storable {
   @override
   final String id;

frontend/pshared/lib/models/storable/describable.dart

@@ -0,0 +1,6 @@
+import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/storable.dart';
+
+
+abstract class StorableDescribable implements Storable, Describable {
+}

frontend/pshared/lib/provider/account.dart

@@ -4,21 +4,48 @@ import 'package:share_plus/share_plus.dart';
 
 import 'package:pshared/api/errors/unauthorized.dart';
 import 'package:pshared/api/requests/signup.dart';
+import 'package:pshared/api/requests/login_data.dart';
+import 'package:pshared/config/constants.dart';
 import 'package:pshared/models/account/account.dart';
-import 'package:pshared/provider/exception.dart';
+import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/storable.dart';
+import 'package:pshared/provider/locale.dart';
 import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/account.dart';
+import 'package:pshared/service/authorization/service.dart';
+import 'package:pshared/utils/exception.dart';
 
 
 class AccountProvider extends ChangeNotifier {
+  static String get currentUserRef => Constants.nilObjectRef;
+
   // The resource now wraps our Account? state along with its loading/error state.
   Resource<Account?> _resource = Resource(data: null);
   Resource<Account?> get resource => _resource;
+  late LocaleProvider _localeProvider;
 
   Account? get account => _resource.data;
   bool get isLoggedIn => account != null;
   bool get isLoading => _resource.isLoading;
   Object? get error => _resource.error;
+  bool get isReady => (!isLoading) && (account != null);
+
+  Account? currentUser() {
+    final acc = account;
+    if (acc == null) return null;
+    return Account(
+      storable: newStorable(
+        id: currentUserRef,
+        createdAt: acc.createdAt,
+        updatedAt: acc.updatedAt,
+      ),
+      describable: acc.describable,
+      lastName: acc.lastName,
+      avatarUrl: acc.avatarUrl,
+      login: acc.login,
+      locale: acc.locale,
+    );
+  }
 
   // Private helper to update the resource and notify listeners.
   void _setResource(Resource<Account?> newResource) {
@@ -26,16 +53,24 @@ class AccountProvider extends ChangeNotifier {
     notifyListeners();
   }
 
+  void updateProvider(LocaleProvider localeProvider) => _localeProvider = localeProvider; 
 
-  Future<Account?> login({
+  void _pickupLocale(String locale) => _localeProvider.setLocale(Locale(locale));
+
+  Future<Account> login({
     required String email,
     required String password,
     required String locale,
   }) async {
     _setResource(_resource.copyWith(isLoading: true, error: null));
     try {
-      final acc = await AccountService.login(email, password, locale);
+      final acc = await AccountService.login(LoginData.build(
+        login: email,
+        password: password,
+        locale: locale,
+      ));
       _setResource(Resource(data: acc, isLoading: false));
+      _pickupLocale(acc.locale);
       return acc;
     } catch (e) {
       _setResource(_resource.copyWith(isLoading: false, error: toException(e)));
@@ -43,11 +78,14 @@ class AccountProvider extends ChangeNotifier {
     }
   }
 
+  Future<bool> isAuthorizationStored() async => AuthorizationService.isAuthorizationStored();
+
   Future<Account?> restore() async {
     _setResource(_resource.copyWith(isLoading: true, error: null));
     try {
       final acc = await AccountService.restore();
       _setResource(Resource(data: acc, isLoading: false));
+      _pickupLocale(acc.locale);
       return acc;
     } catch (e) {
       _setResource(_resource.copyWith(isLoading: false, error: toException(e)));
@@ -55,24 +93,20 @@ class AccountProvider extends ChangeNotifier {
     }
   }
 
-  Future<void> signup(
-    String name,
-    String login,
-    String password,
-    String locale,
-    String organizationName,
-    String timezone,
-  ) async {
+  Future<void> signup({
+    required AccountData account,
+    required Describable organization,
+    required String timezone,
+    required Describable ownerRole,
+  }) async {
     _setResource(_resource.copyWith(isLoading: true, error: null));
     try {
       await AccountService.signup(
         SignupRequest.build(
-          name: name,
-          login: login.trim().toLowerCase(),
-          password: password,
-          locale: locale,
-          organizationName: organizationName,
+          account: account,
+          organization: organization,
           organizationTimeZone: timezone,
+          ownerRole: ownerRole,
         ),
       );
       // Signup might not automatically log in the user,
@@ -96,6 +130,7 @@ class AccountProvider extends ChangeNotifier {
   }
 
   Future<Account?> update({
+    Describable? describable,
     String? locale,
     String? avatarUrl,
     String? notificationFrequency,
@@ -105,6 +140,7 @@ class AccountProvider extends ChangeNotifier {
     try {
       final updated = await AccountService.update(
         account!.copyWith(
+          describable: describable,
           avatarUrl: () => avatarUrl ?? account!.avatarUrl,
           locale: locale ?? account!.locale,
         ),
@@ -141,4 +177,26 @@ class AccountProvider extends ChangeNotifier {
       rethrow;
     }
   }
+
+  Future<void> forgotPassword(String email) async {
+    _setResource(_resource.copyWith(isLoading: true, error: null));
+    try {
+      await AccountService.forgotPassword(email);
+      _setResource(_resource.copyWith(isLoading: false));
+    } catch (e) {
+      _setResource(_resource.copyWith(isLoading: false, error: toException(e)));
+      rethrow;
+    }
+  }
+
+  Future<void> resetPassword(String accountId, String token, String newPassword) async {
+    _setResource(_resource.copyWith(isLoading: true, error: null));
+    try {
+      await AccountService.resetPassword(accountId, token, newPassword);
+      _setResource(_resource.copyWith(isLoading: false));
+    } catch (e) {
+      _setResource(_resource.copyWith(isLoading: false, error: toException(e)));
+      rethrow;
+    }
+  }
 }

frontend/pshared/lib/provider/organizations.dart

@@ -5,9 +5,9 @@ import 'package:collection/collection.dart';
 import 'package:pshared/config/constants.dart';
 import 'package:pshared/models/organization/organization.dart';
 import 'package:pshared/provider/resource.dart';
-import 'package:pshared/provider/exception.dart';
 import 'package:pshared/service/organization.dart';
 import 'package:pshared/service/secure_storage.dart';
+import 'package:pshared/utils/exception.dart';
 
 
 class OrganizationsProvider extends ChangeNotifier {

frontend/pshared/lib/provider/pfe/provider.dart

@@ -1,51 +0,0 @@
-import 'package:flutter/material.dart';
-
-import 'package:pshared/service/pfe/service.dart';
-import 'package:pshared/provider/exception.dart';
-import 'package:pshared/provider/resource.dart';
-import 'package:pshared/service/account.dart';
-
-
-class PfeProvider extends ChangeNotifier {
-  // The resource now wraps our Account? state along with its loading/error state.
-  Resource<String?> _resource = Resource(data: null);
-  Resource<String?> get resource => _resource;
-
-  String? get session => _resource.data;
-  bool get isLoggedIn => session != null;
-  bool get isLoading => _resource.isLoading;
-  Object? get error => _resource.error;
-
-  // Private helper to update the resource and notify listeners.
-  void _setResource(Resource<String?> newResource) {
-    _resource = newResource;
-    notifyListeners();
-  }
-
-
-  Future<String?> login({
-    required String email,
-    required String password,
-  }) async {
-    _setResource(_resource.copyWith(isLoading: true, error: null));
-    try {
-      final acc = await PfeService.login(email, password);
-      _setResource(Resource(data: acc, isLoading: false));
-      return acc;
-    } catch (e) {
-      _setResource(_resource.copyWith(isLoading: false, error: toException(e)));
-      rethrow;
-    }
-  }
-
-  Future<void> logout() async {
-    _setResource(_resource.copyWith(isLoading: true, error: null));
-    try {
-      await AccountService.logout();
-      _setResource(Resource(data: null, isLoading: false));
-    } catch (e) {
-      _setResource(_resource.copyWith(isLoading: false, error: toException(e)));
-      rethrow;
-    }
-  }
-}

frontend/pshared/lib/provider/template.dart

@@ -2,10 +2,10 @@ import 'package:flutter/material.dart';
 
 import 'package:collection/collection.dart';
 
-import 'package:pshared/models/permission_bound_storable.dart';
-import 'package:pshared/provider/exception.dart';
+import 'package:pshared/models/permissions/bound/storable.dart';
 import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/template.dart';
+import 'package:pshared/utils/exception.dart';
 
 
 List<T> mergeLists<T>({

frontend/pshared/lib/service/account.dart

@@ -4,7 +4,10 @@ import 'package:share_plus/share_plus.dart';
 
 import 'package:pshared/api/requests/signup.dart';
 import 'package:pshared/api/responses/account.dart';
-import 'package:pshared/api/requests/change_password.dart';
+import 'package:pshared/api/requests/login_data.dart';
+import 'package:pshared/api/requests/password/change.dart';
+import 'package:pshared/api/requests/password/forgot.dart';
+import 'package:pshared/api/requests/password/reset.dart';
 import 'package:pshared/data/mapper/account/account.dart';
 import 'package:pshared/models/account/account.dart';
 import 'package:pshared/service/authorization/service.dart';
@@ -17,9 +20,9 @@ class AccountService {
   static final _logger = Logger('service.account');
   static const String _objectType = Services.account;
 
-  static Future<Account> login(String email, String password, String locale) async {
+  static Future<Account> login(LoginData login) async {
     _logger.fine('Logging in');
-    return AuthorizationService.login(_objectType, email, password, locale);
+    return AuthorizationService.login(_objectType, login);
   }
 
   static Future<Account> restore() async {
@@ -27,6 +30,7 @@ class AccountService {
   }
 
   static Future<void> signup(SignupRequest request) async {
+    // Use regular HTTP for public signup endpoint (no auth needed)
     await getPOSTResponse(_objectType, 'signup', request.toJson());
   }
 
@@ -42,9 +46,20 @@ class AccountService {
 
   static Future<Account> update(Account account) async {
     _logger.fine('Patching account ${account.id}');
+    // Use AuthorizationService for authenticated operations
     return _getAccount(AuthorizationService.getPUTResponse(_objectType, '', account.toDTO().toJson()));
   }
 
+  static Future<void> forgotPassword(String email) async {
+    _logger.fine('Requesting password reset for email: $email');
+    await getPUTResponse(_objectType, 'password', ForgotPasswordRequest.build(login: email).toJson());
+  }
+
+  static Future<void> resetPassword(String accountRef, String token, String newPassword) async {
+    _logger.fine('Resetting password for account: $accountRef');
+    await getPOSTResponse(_objectType, 'password/reset/$accountRef/$token', ResetPasswordRequest.build(password: newPassword).toJson());
+  }
+
   static Future<Account> changePassword(String oldPassword, String newPassword) async {
     _logger.fine('Changing password');
     return _getAccount(AuthorizationService.getPATCHResponse(

frontend/pshared/lib/service/authorization/circuit_breaker.dart

@@ -0,0 +1,92 @@
+import 'package:logging/logging.dart';
+
+/// Circuit breaker pattern implementation for authentication service failures
+class AuthCircuitBreaker {
+  static final _logger = Logger('service.auth_circuit_breaker');
+  
+  static int _failureCount = 0;
+  static DateTime? _lastFailure;
+  static const int _failureThreshold = 3;
+  static const Duration _recoveryTime = Duration(minutes: 5);
+  
+  /// Returns true if the circuit breaker is open (blocking operations)
+  static bool get isOpen {
+    if (_failureCount < _failureThreshold) return false;
+    if (_lastFailure == null) return false;
+    
+    final isOpen = DateTime.now().difference(_lastFailure!) < _recoveryTime;
+    if (isOpen) {
+      _logger.warning('Circuit breaker is OPEN. Failure count: $_failureCount, last failure: $_lastFailure');
+    }
+    return isOpen;
+  }
+  
+  /// Returns true if the circuit breaker is in half-open state (allowing test requests)
+  static bool get isHalfOpen {
+    if (_failureCount < _failureThreshold) return false;
+    if (_lastFailure == null) return false;
+    
+    return DateTime.now().difference(_lastFailure!) >= _recoveryTime;
+  }
+  
+  /// Executes an operation with circuit breaker protection
+  static Future<T> execute<T>(Future<T> Function() operation) async {
+    if (isOpen) {
+      final timeSinceFailure = _lastFailure != null 
+        ? DateTime.now().difference(_lastFailure!)
+        : Duration.zero;
+      final timeUntilRecovery = _recoveryTime - timeSinceFailure;
+      
+      _logger.warning('Circuit breaker blocking operation. Recovery in: ${timeUntilRecovery.inSeconds}s');
+      throw Exception('Auth service temporarily unavailable. Try again in ${timeUntilRecovery.inMinutes} minutes.');
+    }
+    
+    try {
+      _logger.fine('Executing operation through circuit breaker');
+      final result = await operation();
+      _reset();
+      return result;
+    } catch (e) {
+      _recordFailure();
+      rethrow;
+    }
+  }
+  
+  /// Records a failure and updates the circuit breaker state
+  static void _recordFailure() {
+    _failureCount++;
+    _lastFailure = DateTime.now();
+    _logger.warning('Auth circuit breaker recorded failure #$_failureCount at $_lastFailure');
+    
+    if (_failureCount >= _failureThreshold) {
+      _logger.severe('Auth circuit breaker OPENED after $_failureCount failures');
+    }
+  }
+  
+  /// Resets the circuit breaker to closed state
+  static void _reset() {
+    if (_failureCount > 0) {
+      _logger.info('Auth circuit breaker CLOSED - resetting failure count from $_failureCount to 0');
+    }
+    _failureCount = 0;
+    _lastFailure = null;
+  }
+  
+  /// Manual reset (for testing or administrative purposes)
+  static void manualReset() {
+    _logger.info('Auth circuit breaker manually reset');
+    _reset();
+  }
+  
+  /// Get current status for debugging
+  static Map<String, dynamic> getStatus() {
+    return {
+      'failureCount': _failureCount,
+      'lastFailure': _lastFailure?.toIso8601String(),
+      'isOpen': isOpen,
+      'isHalfOpen': isHalfOpen,
+      'threshold': _failureThreshold,
+      'recoveryTime': _recoveryTime.inSeconds,
+    };
+  }
+}

frontend/pshared/lib/service/authorization/retry_helper.dart

@@ -0,0 +1,87 @@
+import 'dart:math';
+
+import 'package:logging/logging.dart';
+
+import 'package:pshared/utils/exception.dart';
+
+
+class RetryHelper {
+  static final _logger = Logger('auth.retry');
+
+  /// Executes an operation with exponential backoff retry logic
+  static Future<T> withExponentialBackoff<T>(
+    Future<T> Function() operation, {
+    int maxRetries = 3,
+    Duration initialDelay = const Duration(milliseconds: 500),
+    double backoffMultiplier = 2.0,
+    Duration maxDelay = const Duration(seconds: 30),
+    bool Function(Exception)? shouldRetry,
+  }) async {
+    Exception? lastException;
+    
+    // Total attempts = initial attempt + maxRetries
+    final totalAttempts = maxRetries + 1;
+    
+    for (int attempt = 1; attempt <= totalAttempts; attempt++) {
+      try {
+        _logger.fine('Attempting operation (attempt $attempt/$totalAttempts)');
+        return await operation();
+      } catch (e) {
+        lastException = toException(e);
+        
+        // Don't retry if we've reached max attempts
+        if (attempt == totalAttempts) {
+          _logger.warning('Operation failed after $totalAttempts attempts: $lastException');
+          rethrow;
+        }
+        
+        // Check if we should retry this specific error
+        if (shouldRetry != null && !shouldRetry(lastException)) {
+          _logger.fine('Operation failed with non-retryable error: $lastException');
+          rethrow;
+        }
+        
+        // Calculate delay with exponential backoff
+        final delayMs = min(
+          initialDelay.inMilliseconds * pow(backoffMultiplier, attempt - 1).toInt(),
+          maxDelay.inMilliseconds,
+        );
+        final delay = Duration(milliseconds: delayMs);
+        
+        _logger.fine('Operation failed (attempt $attempt), retrying in ${delay.inMilliseconds}ms: $lastException');
+        await Future.delayed(delay);
+      }
+    }
+    
+    // This should never be reached due to rethrow above, but just in case
+    throw lastException ?? Exception('Retry logic error');
+  }
+
+  /// Determines if an error is retryable (network/temporary errors)
+  static bool isRetryableError(Exception error) {
+    final errorString = error.toString().toLowerCase();
+    
+    // Network connectivity issues
+    if (errorString.contains('socket') ||
+        errorString.contains('connection') ||
+        errorString.contains('timeout') ||
+        errorString.contains('network')) {
+      return true;
+    }
+    
+    // Server temporary errors (5xx)
+    if (errorString.contains('500') ||
+        errorString.contains('502') ||
+        errorString.contains('503') ||
+        errorString.contains('504')) {
+      return true;
+    }
+    
+    // Rate limiting
+    if (errorString.contains('429')) {
+      return true;
+    }
+    
+    return false;
+  }
+}

frontend/pshared/lib/service/authorization/service.dart

@@ -1,20 +1,38 @@
 import 'package:logging/logging.dart';
 
-import 'package:pshared/api/errors/upload_failed.dart';
+import 'package:pshared/api/errors/authorization_failed.dart';
 import 'package:pshared/api/requests/login.dart';
+import 'package:pshared/api/requests/login_data.dart';
 import 'package:pshared/api/responses/account.dart';
 import 'package:pshared/api/responses/login.dart';
-import 'package:pshared/config/constants.dart';
+import 'package:pshared/config/web.dart';
 import 'package:pshared/data/mapper/account/account.dart';
 import 'package:pshared/models/account/account.dart';
+import 'package:pshared/service/authorization/circuit_breaker.dart';
+import 'package:pshared/service/authorization/retry_helper.dart';
 import 'package:pshared/service/authorization/storage.dart';
 import 'package:pshared/service/authorization/token.dart';
 import 'package:pshared/service/device_id.dart';
+import 'package:pshared/utils/exception.dart';
 import 'package:pshared/utils/http/requests.dart' as httpr;
 
 
+/// AuthorizationService provides centralized authorization management
+/// with token refresh, retry logic, and circuit breaker patterns
 class AuthorizationService {
-  static final _logger = Logger('service.authorization');
+  static final _logger = Logger('service.authorization.auth_service');
+
+  static Future<Account> login(String service, LoginData login) async {
+    _logger.fine('Logging in ${login.login} with ${login.locale} locale');
+    final deviceId = await DeviceIdManager.getDeviceId();
+    final response = await httpr.getPOSTResponse(
+      service,
+      '/login', 
+      LoginRequest(login: login, deviceId: deviceId, clientId: Constants.clientId).toJson(),
+    );
+
+    return (await _completeLogin(response)).account.toDomain();
+  }
 
   static Future<void> _updateAccessToken(AccountResponse response) async {
     await AuthorizationStorage.updateToken(response.accessToken);
@@ -31,59 +49,86 @@ class AuthorizationService {
     return lr;
   }
 
-  static Future<Account> login(String service, String email, String password, String locale) async {
-    _logger.fine('Logging in $email with $locale locale');
-    final deviceId = await DeviceIdManager.getDeviceId();
-    final response = await httpr.getPOSTResponse(
-      service,
-      '/login', 
-      LoginRequest(
-        login: email.toLowerCase(), 
-        password: password, 
-        locale: locale,
-        deviceId: deviceId,
-        clientId: Constants.clientId,
-      ).toJson());
-
-    return (await _completeLogin(response)).account.toDomain();
-  }
-
   static Future<Account> restore() async {
-    return (await TokenService.rotateRefreshToken()).account.toDomain();
+    return (await TokenService.refreshAccessToken()).account.toDomain();
   }
 
   static Future<void> logout() async {
     return AuthorizationStorage.removeTokens();
   }
 
-  static Future<Map<String, dynamic>> _authenticatedRequest(
-    String service,
-    String url,
-    Future<Map<String, dynamic>> Function(String, String, Map<String, dynamic>, {String? authToken}) requestType,
-    {Map<String, dynamic>? body}) async {
-    final accessToken = await TokenService.getAccessToken();
-    return requestType(service, url, body ?? {}, authToken: accessToken);
-  }
-
-  static Future<Map<String, dynamic>> getPOSTResponse(String service, String url, Map<String, dynamic> body) async => _authenticatedRequest(service, url, httpr.getPOSTResponse, body: body);
-
+  // Original AuthorizationService methods - keeping the interface unchanged
   static Future<Map<String, dynamic>> getGETResponse(String service, String url) async {
-    final accessToken = await TokenService.getAccessToken();
-    return httpr.getGETResponse(service, url, authToken: accessToken);
+    final token = await TokenService.getAccessTokenSafe();
+    return httpr.getGETResponse(service, url, authToken: token);
   }
 
-  static Future<Map<String, dynamic>> getPUTResponse(String service, String url, Map<String, dynamic> body) async => _authenticatedRequest(service, url, httpr.getPUTResponse, body: body);
+  static Future<Map<String, dynamic>> getPOSTResponse(String service, String url, Map<String, dynamic> body) async {
+    final token = await TokenService.getAccessTokenSafe();
+    return httpr.getPOSTResponse(service, url, body, authToken: token);
+  }
 
-  static Future<Map<String, dynamic>> getPATCHResponse(String service, String url, Map<String, dynamic> body) async => _authenticatedRequest(service, url, httpr.getPATCHResponse, body: body);
+  static Future<Map<String, dynamic>> getPUTResponse(String service, String url, Map<String, dynamic> body) async {
+    final token = await TokenService.getAccessTokenSafe();
+    return httpr.getPUTResponse(service, url, body, authToken: token);
+  }
 
-  static Future<Map<String, dynamic>> getDELETEResponse(String service, String url, Map<String, dynamic> body) async => _authenticatedRequest(service, url, httpr.getDELETEResponse, body: body);
+  static Future<Map<String, dynamic>> getPATCHResponse(String service, String url, Map<String, dynamic> body) async {
+    final token = await TokenService.getAccessTokenSafe();
+    return httpr.getPATCHResponse(service, url, body, authToken: token);
+  }
+
+  static Future<Map<String, dynamic>> getDELETEResponse(String service, String url, Map<String, dynamic> body) async {
+    final token = await TokenService.getAccessTokenSafe();
+    return httpr.getDELETEResponse(service, url, body, authToken: token);
+  }
 
   static Future<String> getFileUploadResponseAuth(String service, String url, String fileName, String fileType, String mediaType, List<int> bytes) async {
-    final accessToken = await TokenService.getAccessToken();
-    final res = await httpr.getFileUploadResponse(service, url, fileName, fileType, mediaType, bytes, authToken: accessToken);
+    final token = await TokenService.getAccessTokenSafe();
+    final res = await httpr.getFileUploadResponse(service, url, fileName, fileType, mediaType, bytes, authToken: token);
     if (res == null) {
-      throw ErrorUploadFailed();
+      throw Exception('Upload failed');
     }
     return res.url;
   }
+
+  static Future<bool> isAuthorizationStored() async => AuthorizationStorage.isAuthorizationStored();
+
+  /// Execute an operation with automatic token management and retry logic
+  static Future<T> executeWithAuth<T>(
+    Future<T> Function() operation,
+    String description, {
+    int? maxRetries,
+  }) async => AuthCircuitBreaker.execute(() async => RetryHelper.withExponentialBackoff(
+    operation,
+    maxRetries: maxRetries ?? 3,
+    initialDelay: Duration(milliseconds: 100),
+    maxDelay: Duration(seconds: 5),
+    shouldRetry: (error) => RetryHelper.isRetryableError(error),
+  ));
+
+
+  /// Handle 401 unauthorized errors with automatic token recovery
+  static Future<T> handleUnauthorized<T>(
+    Future<T> Function() operation,
+    String description,
+  ) async {
+    _logger.warning('Handling unauthorized error with token recovery: $description');
+    
+    return executeWithAuth(
+      () async {
+        try {
+          // Attempt token recovery first
+          await TokenService.handleUnauthorized();
+          
+          // Retry the original operation
+          return await operation();
+        } catch (e) {
+          _logger.severe('Token recovery failed', e);
+          throw AuthenticationFailedException('Token recovery failed', toException(e));
+        }
+      },
+      'unauthorized recovery: $description',
+    );
+  }
 }

frontend/pshared/lib/service/authorization/storage.dart

@@ -20,6 +20,34 @@ class AuthorizationStorage {
     return TokenData.fromJson(jsonDecode(tokenJson));
   }
 
+
+  static Future<bool> _checkTokenUsable(String keyName) async {
+    final hasKey = await SecureStorageService.containsKey(keyName);
+    if (!hasKey) return false;
+
+    try {
+      final tokenData = await _getTokenData(keyName);
+      return tokenData.expiration.isAfter(DateTime.now());
+    } catch (e, st) {
+      _logger.warning('Error reading token from $keyName: $e', e, st);
+      rethrow;
+    }
+  }
+
+
+  static Future<bool> isAuthorizationStored() async {
+    _logger.fine('Checking if authorization is stored');
+
+    final accessUsable = await _checkTokenUsable(Constants.accessTokenStorageKey);
+    if (accessUsable) return true;
+
+    final refreshUsable = await _checkTokenUsable(Constants.refreshTokenStorageKey);
+    if (refreshUsable) return true;
+
+    return false;
+  }
+
+
   static Future<TokenData> getAccessToken() async {
     _logger.fine('Getting access token');
     return _getTokenData(Constants.accessTokenStorageKey);

frontend/pshared/lib/service/authorization/token.dart

@@ -1,20 +1,25 @@
-
-
 import 'package:logging/logging.dart';
 
+import 'package:pshared/api/errors/authorization_failed.dart';
 import 'package:pshared/api/errors/unauthorized.dart';
 import 'package:pshared/api/requests/tokens/access_refresh.dart';
 import 'package:pshared/api/requests/tokens/refresh_rotate.dart';
 import 'package:pshared/api/responses/account.dart';
+import 'package:pshared/api/responses/error/server.dart';
 import 'package:pshared/api/responses/login.dart';
 import 'package:pshared/api/responses/token.dart';
 import 'package:pshared/config/constants.dart';
+import 'package:pshared/service/authorization/circuit_breaker.dart';
+import 'package:pshared/service/authorization/retry_helper.dart';
 import 'package:pshared/service/authorization/storage.dart';
+import 'package:pshared/service/authorization/token_mutex.dart';
 import 'package:pshared/service/device_id.dart';
 import 'package:pshared/service/services.dart';
+import 'package:pshared/utils/exception.dart';
 import 'package:pshared/utils/http/requests.dart';
 
 
+
 class TokenService {
   static final _logger = Logger('service.authorization.token');
   static const String _objectType = Services.account;
@@ -26,7 +31,11 @@ class TokenService {
   static Future<String> getAccessToken() async {
     TokenData token = await AuthorizationStorage.getAccessToken();
     if (_isTokenExpiringSoon(token, const Duration(hours: 4))) {
-      token = (await _refreshAccessToken()).accessToken;
+      // Use mutex to prevent concurrent refresh operations
+      final refreshedToken = await TokenRefreshMutex().executeRefresh(() async {
+        return (await refreshAccessToken()).accessToken.token;
+      });
+      return refreshedToken;
     }
     return token.token;
   }
@@ -36,13 +45,13 @@ class TokenService {
     await AuthorizationStorage.updateRefreshToken(response.refreshToken);
   }
 
-  static Future<AccountResponse> _refreshAccessToken() async {
+  static Future<AccountResponse> refreshAccessToken() async {
     _logger.fine('Refreshing access token...');
     final deviceId = await DeviceIdManager.getDeviceId();
     final refresh = await AuthorizationStorage.getRefreshToken();
 
     if (_isTokenExpiringSoon(refresh, const Duration(days: 7))) {
-      return await rotateRefreshToken();
+      return await _rotateRefreshToken();
     }
 
     final response = await getPOSTResponse(
@@ -60,7 +69,7 @@ class TokenService {
     return accountResp;
   }
 
-  static Future<LoginResponse> rotateRefreshToken() async {
+  static Future<LoginResponse> _rotateRefreshToken() async {
     _logger.fine('Rotating refresh token...');
     final refresh = await AuthorizationStorage.getRefreshToken();
 
@@ -82,4 +91,89 @@ class TokenService {
     return loginResponse;
   }
 
+  /// Enhanced method to handle unexpected 401 errors with fallback logic
+  static Future<void> handleUnauthorized() async {
+    _logger.warning('Handling unexpected 401 unauthorized error');
+    
+    return AuthCircuitBreaker.execute(() async {
+      return RetryHelper.withExponentialBackoff(
+        () async {
+          try {
+            // Try refresh first (faster)
+            final currentRefresh = await AuthorizationStorage.getRefreshToken();
+            if (!_isTokenExpiringSoon(currentRefresh, const Duration(days: 1))) {
+              _logger.fine('Attempting access token refresh for 401 recovery');
+              await TokenRefreshMutex().executeRefresh(() async {
+                await refreshAccessToken();
+                return 'refreshed';
+              });
+              return;
+            }
+            
+            // Fallback to rotation if refresh token expiring soon
+            _logger.fine('Attempting refresh token rotation for 401 recovery');
+            await TokenRefreshMutex().executeRotation(() async {
+              await _rotateRefreshToken();
+            });
+          } catch (e) {
+            _logger.severe('Token recovery failed: $e');
+            throw AuthenticationFailedException('Token recovery failed', toException(e));
+          }
+        },
+        maxRetries: 2,
+        shouldRetry: (error) {
+          // Only retry on network errors, not auth errors
+          return RetryHelper.isRetryableError(error) && !_isAuthError(error);
+        },
+      );
+    });
+  }
+
+  /// Enhanced getAccessToken with better error handling
+  static Future<String> getAccessTokenSafe() async {
+    return AuthCircuitBreaker.execute(() async {
+      return RetryHelper.withExponentialBackoff(
+        () async {
+          TokenData token = await AuthorizationStorage.getAccessToken();
+          if (_isTokenExpiringSoon(token, const Duration(hours: 4))) {
+            // Use mutex to prevent concurrent refresh operations
+            final refreshedToken = await TokenRefreshMutex().executeRefresh(() async {
+              return (await refreshAccessToken()).accessToken.token;
+            });
+            return refreshedToken;
+          }
+          return token.token;
+        },
+        maxRetries: 2,
+        shouldRetry: (error) => RetryHelper.isRetryableError(error),
+      );
+    });
+  }
+
+  /// Check if error is authentication-related (non-retryable)
+  static bool _isAuthError(Exception error) {
+    if (error is ErrorUnauthorized || error is AuthenticationFailedException) {
+      return true;
+    }
+    
+    if (error is ErrorResponse && error.code == 401) {
+      return true;
+    }
+    
+    final errorString = error.toString().toLowerCase();
+    return errorString.contains('unauthorized') || 
+           errorString.contains('401') ||
+           errorString.contains('authentication') ||
+           errorString.contains('token');
+  }
+
+  /// Get circuit breaker status for debugging
+  static Map<String, dynamic> getAuthStatus() {
+    return {
+      'circuitBreaker': AuthCircuitBreaker.getStatus(),
+      'tokenMutex': TokenRefreshMutex().getStatus(),
+      'timestamp': DateTime.now().toIso8601String(),
+    };
+  }
+
 }

frontend/pshared/lib/service/authorization/token_mutex.dart

@@ -0,0 +1,103 @@
+import 'dart:async';
+
+import 'package:logging/logging.dart';
+
+/// Mutex to prevent concurrent token refresh operations
+/// This ensures only one refresh operation happens at a time,
+/// preventing race conditions during app startup when multiple
+/// providers try to refresh tokens simultaneously.
+class TokenRefreshMutex {
+  static final _instance = TokenRefreshMutex._();
+  factory TokenRefreshMutex() => _instance;
+  TokenRefreshMutex._();
+
+  static final _logger = Logger('service.authorization.token_mutex');
+  
+  Completer<String>? _currentRefresh;
+  Completer<void>? _currentRotation;
+  
+  /// Execute a token refresh operation with mutex protection
+  /// If another refresh is in progress, wait for it to complete
+  Future<String> executeRefresh(Future<String> Function() refreshOperation) async {
+    if (_currentRefresh != null) {
+      _logger.fine('Token refresh already in progress, waiting for completion');
+      return await _currentRefresh!.future;
+    }
+    
+    _logger.fine('Starting new token refresh operation');
+    _currentRefresh = Completer<String>();
+    
+    try {
+      final result = await refreshOperation();
+      if (_currentRefresh != null) {
+        _currentRefresh!.complete(result);
+        _logger.fine('Token refresh completed successfully');
+      }
+      return result;
+    } catch (e, st) {
+      _logger.warning('Token refresh failed', e, st);
+      if (_currentRefresh != null) {
+        _currentRefresh!.completeError(e, st);
+      }
+      rethrow;
+    } finally {
+      _currentRefresh = null;
+    }
+  }
+  
+  /// Execute a token rotation operation with mutex protection
+  /// If another rotation is in progress, wait for it to complete
+  Future<void> executeRotation(Future<void> Function() rotationOperation) async {
+    if (_currentRotation != null) {
+      _logger.fine('Token rotation already in progress, waiting for completion');
+      return await _currentRotation!.future;
+    }
+    
+    _logger.fine('Starting new token rotation operation');
+    _currentRotation = Completer<void>();
+    
+    try {
+      await rotationOperation();
+      if (_currentRotation != null) {
+        _currentRotation!.complete();
+        _logger.fine('Token rotation completed successfully');
+      }
+    } catch (e, st) {
+      _logger.warning('Token rotation failed', e, st);
+      if (_currentRotation != null) {
+        _currentRotation!.completeError(e, st);
+      }
+      rethrow;
+    } finally {
+      _currentRotation = null;
+    }
+  }
+  
+  /// Check if a refresh operation is currently in progress
+  bool get isRefreshInProgress => _currentRefresh != null;
+  
+  /// Check if a rotation operation is currently in progress
+  bool get isRotationInProgress => _currentRotation != null;
+  
+  /// Get current status for debugging
+  Map<String, dynamic> getStatus() {
+    return {
+      'refreshInProgress': isRefreshInProgress,
+      'rotationInProgress': isRotationInProgress,
+      'timestamp': DateTime.now().toIso8601String(),
+    };
+  }
+  
+  /// Force reset the mutex (for testing or emergency situations)
+  void forceReset() {
+    _logger.warning('Force resetting token refresh mutex');
+    if (_currentRefresh != null && !_currentRefresh!.isCompleted) {
+      _currentRefresh!.completeError(Exception('Mutex force reset'));
+    }
+    if (_currentRotation != null && !_currentRotation!.isCompleted) {
+      _currentRotation!.completeError(Exception('Mutex force reset'));
+    }
+    _currentRefresh = null;
+    _currentRotation = null;
+  }
+} 

frontend/pshared/lib/service/secure_storage.dart

@@ -1,5 +1,6 @@
 import 'package:shared_preferences/shared_preferences.dart';
 
+
 class SecureStorageService {
   static Future<String?> get(String key) async {
     final prefs = await SharedPreferences.getInstance();
@@ -18,6 +19,11 @@ class SecureStorageService {
     return _setImp(prefs, key, value);
   }
 
+  static Future<bool> containsKey(String key) async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.containsKey(key);
+  }
+
   static Future<void> delete(String key) async {
     final prefs = await SharedPreferences.getInstance();
     await prefs.remove(key);

frontend/pshared/lib/service/services.dart

@@ -6,27 +6,13 @@ class Services {
   static const String invitations = 'invitations';
   static const String organization = 'organizations';
   static const String permission = 'permissions';
-  static const String project = 'projects';
-  static const String pgroup = 'priority_groups';
-  static const String priorities = 'priorities';
-  static const String reactions = 'reactions';
   static const String storage = 'storage';
-  static const String taskStatus = 'statuses';
-  static const String tasks = 'tasks';
 
   static const String amplitude = 'amplitude';
-  static const String automations = 'automation';
-  static const String changes = 'changes';
   static const String clients = 'clients';
-  static const String invoices = 'invoices';
   static const String logo = 'logo';
   static const String notifications = 'notifications';
   static const String policies = 'policies';
-  static const String properties = 'properties';
   static const String refreshTokens = 'refresh_tokens';
   static const String roles = 'roles';
-  static const String steps = 'steps';
-  static const String teams = 'teams';
-  static const String workflows = 'workflows';
-  static const String workspaces = 'workspaces';
 }