-- ECR-039 FunnelDefinition (read catalog)

CREATE TABLE IF NOT EXISTS funnel_definitions (
  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_funnel_definitions_active ON funnel_definitions(active);

INSERT INTO funnel_definitions(code, title, active, system)
VALUES ('signup_to_ask', '注册到问答漏斗占位', true, true)
ON CONFLICT (code) DO NOTHING;