-- Phase 10: card upgrade system
-- chemistry_style: applied cosmetic/stat modifier (default "basic")
-- position_override: player moved to a different position from their card default
-- training_bonus: extra OVR points from training cards (capped at +3)
ALTER TABLE owned_cards ADD COLUMN chemistry_style TEXT NOT NULL DEFAULT 'basic';
ALTER TABLE owned_cards ADD COLUMN position_override TEXT;
ALTER TABLE owned_cards ADD COLUMN training_bonus INTEGER NOT NULL DEFAULT 0;