Initial commit: DashCaddy v1.0

Full codebase including API server (32 modules + routes), dashboard frontend,
DashCA certificate distribution, installer script, and deployment skills.

dashcaddy-api/errors.js

@@ -0,0 +1,48 @@
+/**
+ * Typed Error Classes for DashCaddy API
+ * Provides structured errors that the global error handler catches automatically.
+ */
+
+class AppError extends Error {
+  constructor(message, statusCode = 500, code = 'INTERNAL_ERROR') {
+    super(message);
+    this.name = this.constructor.name;
+    this.statusCode = statusCode;
+    this.code = code;
+  }
+}
+
+class DockerError extends AppError {
+  constructor(message, details = {}) {
+    super(message, 500, 'DOCKER_ERROR');
+    this.details = details;
+  }
+}
+
+class CaddyError extends AppError {
+  constructor(message, details = {}) {
+    super(message, 502, 'CADDY_ERROR');
+    this.details = details;
+  }
+}
+
+class DNSError extends AppError {
+  constructor(message, details = {}) {
+    super(message, 502, 'DNS_ERROR');
+    this.details = details;
+  }
+}
+
+class AuthenticationError extends AppError {
+  constructor(message = 'Authentication required') {
+    super(message, 401, 'AUTH_REQUIRED');
+  }
+}
+
+class NotFoundError extends AppError {
+  constructor(resource = 'Resource') {
+    super(`${resource} not found`, 404, 'NOT_FOUND');
+  }
+}
+
+module.exports = { AppError, DockerError, CaddyError, DNSError, AuthenticationError, NotFoundError };