CREATE TABLE IF NOT EXISTS auth_audit_logs (
  id TEXT PRIMARY KEY,
  user_id TEXT NOT NULL,
  event_type TEXT NOT NULL,
  detail TEXT NOT NULL,
  ip TEXT,
  user_agent TEXT,
  meta_json JSONB,
  created_at TEXT NOT NULL,
  FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS auth_audit_logs_user_created_idx
  ON auth_audit_logs (user_id, created_at DESC);