From fea2cc6839ec3ee17940a2dea69622dc6f4deabf Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Wed, 16 Sep 2026 21:35:55 -0400
Subject: fix: unify crafting ingredient resolution; fix superheat
 alternatives, quantity gates, and dropped combine byproducts

---
 internal/casino/blackjack_split_regression_test.go | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 internal/casino/blackjack_split_regression_test.go

(limited to 'internal/casino/blackjack_split_regression_test.go')

diff --git a/internal/casino/blackjack_split_regression_test.go b/internal/casino/blackjack_split_regression_test.go
new file mode 100644
index 0000000..1674d40
--- /dev/null
+++ b/internal/casino/blackjack_split_regression_test.go
@@ -0,0 +1,36 @@
+package casino
+
+// Regression: a non-ace split can draw to 21 on the first hand (K,K splits
+// into A+K). finishHand must skip that complete hand instead of prompting it,
+// which offered hit/double on an unplayable 21 and stalled the round until
+// the action timer fired.
+
+import "testing"
+
+func TestBlackjackSplitTwentyOneAdvancesToNextHand(t *testing.T) {
+	table := newBlackjackTable(1, TableConfig{ID: "blackjack", Game: GameBlackjack}, newTestRand())
+	wallet := &testWallet{credits: 100}
+	table.join("alice")
+	// Dealer 17; player K,K; the split draws A (hand one) and 5 (hand two).
+	table.shoe = tableauShoe(
+		card{rank: "10"}, card{rank: "7"},
+		card{rank: "K"}, card{rank: "K"},
+		card{rank: "A"}, card{rank: "5"}, card{rank: "2"},
+	)
+	table.shoe.shuffleAt = 0
+	table.bet("alice", "", 10, wallet)
+	if events := table.action("alice", "split"); len(events) == 0 {
+		t.Fatal("split produced no events")
+	}
+	p := table.players.get("alice")
+	if len(p.hands) != 2 {
+		t.Fatalf("split failed: %+v", p.hands)
+	}
+	if total, _ := p.hands[0].total(); total != 21 {
+		t.Fatalf("fixture: first split hand totals %d, want 21", total)
+	}
+	if table.activeHand != 1 {
+		t.Fatalf("split 21 stayed active (hand %d, actions %v); the turn must advance to the second hand",
+			table.activeHand, table.availableActions(p, p.hands[table.activeHand]))
+	}
+}
-- 
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