-- Thumbnail promoted from a render export. Kept separate from "thumbnailUrl"
-- (the client-supplied reference frame) so promotion can only fill a gap and
-- never overwrite the brief. Display precedence is
-- COALESCE("thumbnailUrl", "generatedThumbnailUrl").
ALTER TABLE "shots" ADD COLUMN     "generatedThumbnailUrl" TEXT;
ALTER TABLE "shots" ADD COLUMN     "generatedThumbnailFrom" TEXT;