Script 21 more BT01 cards
New scripts: Mocha, Randolf, Chigasumi, Queen of Heart, Jarran, Milk, Nightmare Baby, Hungry Dumpty, Clay Doll Mechanic, Blue Dust, Karma Queen, Hell Spider, Dragonic Overlord, Gancelot, Aleph, Apollon, Lohengrin, Vortex Dragon, Amaterasu, Mr. Invincible, Brutal Jack. Engine additions: OnBoosted trigger, reusable effect helpers (soul charge, retire all, flip damage, return hand card to deck, opponent discard), boost-trigger chaining so attack-declared waits for boost resolution. Four new tests; 98 total.