init cc

lib/core/errors/failures.dart

@@ -0,0 +1,59 @@
+import 'package:equatable/equatable.dart';
+
+/// Base failure class for error handling in the application
+abstract class Failure extends Equatable {
+  final String message;
+  final String? code;
+
+  const Failure(this.message, {this.code});
+
+  @override
+  List<Object?> get props => [message, code];
+
+  @override
+  String toString() => 'Failure: $message${code != null ? ' (Code: $code)' : ''}';
+}
+
+/// Network failure
+class NetworkFailure extends Failure {
+  const NetworkFailure(super.message, {super.code});
+}
+
+/// Server failure
+class ServerFailure extends Failure {
+  final int? statusCode;
+
+  const ServerFailure(
+    super.message, {
+    this.statusCode,
+    super.code,
+  });
+
+  @override
+  List<Object?> get props => [message, code, statusCode];
+}
+
+/// Cache failure
+class CacheFailure extends Failure {
+  const CacheFailure(super.message, {super.code});
+}
+
+/// Validation failure
+class ValidationFailure extends Failure {
+  const ValidationFailure(super.message, {super.code});
+}
+
+/// Authentication failure
+class AuthFailure extends Failure {
+  const AuthFailure(super.message, {super.code});
+}
+
+/// Storage failure
+class StorageFailure extends Failure {
+  const StorageFailure(super.message, {super.code});
+}
+
+/// Unknown failure
+class UnknownFailure extends Failure {
+  const UnknownFailure(super.message, {super.code});
+}