Initial pass at unicorn pack.

internal/ai/ai_test.go

@@ -102,6 +102,8 @@ func applyAction(g *game.Game, playerID string, a *Action) error {
 		return g.TradeChoose(playerID, a.Pick)
 	case "revealChoose":
 		return g.RevealChoose(playerID, a.CardID)
+	case "sacrificeChoose":
+		return g.SacrificeChoose(playerID, a.CardID)
 	case "pass":
 		return g.Pass(playerID)
 	case "arrange":
@@ -139,6 +141,20 @@ func TestBotsFinishGoldenGame(t *testing.T) {
 	}
 }
 
+// TestBotsFinishUnicornGame plays complete games on the Unicorn pack (tiers
+// 1-3 printed; 4-6 still in progress, so late shops are barren but battles
+// still resolve). It exercises the Mana and Ailment mechanics via
+// SimulateBattle rollouts plus the new shop effects (Water of Youth's sacrifice
+// choice, Bigfoot), and fails on any illegal or missing bot action.
+func TestBotsFinishUnicornGame(t *testing.T) {
+	for range 5 {
+		g := playBotGamePack(t, "unicorn", 1, 0.6)
+		if g.Round != game.MaxRounds {
+			t.Errorf("unicorn game ended on round %d, want %d", g.Round, game.MaxRounds)
+		}
+	}
+}
+
 // TestObserveTracksOpponentDeck checks the memory's opponent model against
 // the opponent's real deck after known public actions. The model may only
 // contain information a human spectator would have.