middleware

type ContextualError interface {
	error
	// StatusCode returns the HTTP status code that should be returned to the client
	StatusCode() int
	// LogContext returns a map of additional context for logging
	LogContext() map[string]interface{}
	// PublicMessage returns a message safe to return to the client
	PublicMessage() string
	// OriginalError returns the underlying error, if any
	OriginalError() error
}

type PDPError struct {
	Operation     string                 // The operation that failed (e.g., "ProofSetAddRoot")
	Message       string                 // Internal error message (for logs)
	ClientMessage string                 // Message safe to return to clients
	Code          int                    // HTTP status code
	Err           error                  // Original error, if any
	Context       map[string]interface{} // Additional context for logging
}