-- ECR-029 BlockPolicy (read catalog)

CREATE TABLE IF NOT EXISTS block_policies (
  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  code varchar(64) NOT NULL UNIQUE,
  title varchar(128) NOT NULL,
  action varchar(32) NOT NULL CHECK (action IN ('block','mask','review')),
  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_block_policies_active ON block_policies(active);

INSERT INTO block_policies(code, title, action, active, system)
VALUES ('block_spam_link', '外链垃圾拦截策略', 'block', true, true)
ON CONFLICT (code) DO NOTHING;