Card 900124030 (ELF cost-3, when_play damage=3 to enemy leader) resolves to
correct authoritative state headless via the IsForecast/IsRecovery +
ActionProcessor.PlayCard path. New oracle dimension (opponent leader-life delta)
passes; 3/3 tests green; engine still 0 errors; check_drift clean.
Four headless gaps, each mechanical (no logic/Unity wall):
- Data seam: InitLeaderLife (SetupInitialGameState->InitializeClassLife subset);
leader BaseMaxLife was 0 => game-over => play silently rejected. M2 missed it
(only asserted leader life unchanged: 0==0).
- Runtime cast: re-attach IClassBattleCardView on the generated
NullClassBattleCardView stub (members already present; base-clause recovery
stripped the decl). Compiled fine -> M1 loop never surfaced it.
- M1 mis-cut: copy NullVfxWithLoading verbatim (its GetInstance() lazy singleton
was stubbed to default!/null). Same pattern as M2 NullCardVfxCreator.
- Card events: CreateHeadlessHandCard now calls SetupCardEvent so a spell's
OnPlay->RemoveSpellCardFromHand / OnFinishWhenPlaySkill->AddSpellCardToCemetery
fire (the bare CreateCardWithoutResources seam skips them).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>