-- ECR-036 RhythmConfig (read catalog)

CREATE TABLE IF NOT EXISTS rhythm_configs (
  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  code varchar(64) NOT NULL UNIQUE,
  title varchar(128) NOT NULL,
  active boolean NOT NULL DEFAULT true,
  system boolean NOT NULL DEFAULT false,
  created_at timestamptz NOT NULL DEFAULT now(),
  updated_at timestamptz NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_rhythm_configs_active ON rhythm_configs(active);

INSERT INTO rhythm_configs(code, title, active, system)
VALUES ('default_rhythm', '默认节律配置', true, true)
ON CONFLICT (code) DO NOTHING;