CREATE TABLE IF NOT EXISTS sent_emails (
  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
  recipient VARCHAR(255) NOT NULL,
  subject VARCHAR(255) NOT NULL,
  body_html TEXT,
  body_text TEXT,
  event_id UUID,
  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_sent_emails_recipient ON sent_emails(recipient);
CREATE INDEX IF NOT EXISTS idx_sent_emails_created ON sent_emails(created_at DESC);