state-machine

class Document < ApplicationRecord
  belongs_to :account

  enum status: { pending: 0, processing: 1, ready: 2, failed: 3 }

  after_create_commit :broadcast_badge

export type CircuitState = "closed" | "open" | "half-open";

export interface CircuitBreakerOptions {
  failureThreshold: number;
  resetTimeout: number; // ms to wait in "open" before probing
  onStateChange?: (from: CircuitState, to: CircuitState) => void;