CREATE TABLE IF NOT EXISTS sms_auth_events (
  id TEXT PRIMARY KEY,
  phone_number TEXT NOT NULL,
  scene TEXT NOT NULL,
  action TEXT NOT NULL,
  success BOOLEAN NOT NULL,
  ip TEXT,
  user_agent TEXT,
  created_at TEXT NOT NULL
);

CREATE INDEX IF NOT EXISTS sms_auth_events_phone_created_idx
  ON sms_auth_events (phone_number, created_at DESC);

CREATE INDEX IF NOT EXISTS sms_auth_events_ip_created_idx
  ON sms_auth_events (ip, created_at DESC);