Unity Card Games (genre layer)

Field-verified on a shipped portrait 1v1 lane battler (Lane Duel, 2026-07-02): 34 EditMode + 6 PlayMode tests green, registry-gated art, zero red build iterations. Everything here defers to the core skills for HOW; this layer owns the card-genre WHAT.

1. Rules-spec gate (before ANY code — director Step 2.5 applied to cards)

Card combat has forks that silently change every test. Lock them in the spec first: