-- Short art-history annotations on painting detail (with optional image markers)
CREATE TABLE IF NOT EXISTS painting_annotations (
  id SERIAL PRIMARY KEY,
  painting_id INTEGER NOT NULL REFERENCES paintings(id) ON DELETE CASCADE,
  label VARCHAR(80),
  body TEXT NOT NULL,
  category VARCHAR(30) NOT NULL DEFAULT 'subject',
  pos_x NUMERIC(5, 2),
  pos_y NUMERIC(5, 2),
  source_author VARCHAR(200),
  source VARCHAR(500),
  source_url VARCHAR(500),
  sort_order INTEGER NOT NULL DEFAULT 0,
  confidence VARCHAR(20) NOT NULL DEFAULT 'curated'
);

CREATE INDEX IF NOT EXISTS painting_annotations_painting_idx
  ON painting_annotations (painting_id);