-- Add opening_value to odd_selections for tracking first-seen odds
ALTER TABLE "odd_selections" ADD COLUMN "opening_value" TEXT;

-- Add odds movement features to football_ai_features
ALTER TABLE "football_ai_features" ADD COLUMN "odds_movement_home" DOUBLE PRECISION;
ALTER TABLE "football_ai_features" ADD COLUMN "odds_movement_draw" DOUBLE PRECISION;
ALTER TABLE "football_ai_features" ADD COLUMN "odds_movement_away" DOUBLE PRECISION;
ALTER TABLE "football_ai_features" ADD COLUMN "odds_movement_o25" DOUBLE PRECISION;
ALTER TABLE "football_ai_features" ADD COLUMN "odds_movement_btts" DOUBLE PRECISION;
ALTER TABLE "football_ai_features" ADD COLUMN "odds_sharpness" DOUBLE PRECISION;
