From 153acb7f644d755c45533b7c5311e3ffa47e8973 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Fri, 18 Sep 2026 05:31:09 -0400
Subject: fix: harden engine across casino, economy, concurrency, security, and
 content

---
 internal/game/hardening_craft_message_item_test.go | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 internal/game/hardening_craft_message_item_test.go

(limited to 'internal/game/hardening_craft_message_item_test.go')

diff --git a/internal/game/hardening_craft_message_item_test.go b/internal/game/hardening_craft_message_item_test.go
new file mode 100644
index 0000000..b516852
--- /dev/null
+++ b/internal/game/hardening_craft_message_item_test.go
@@ -0,0 +1,85 @@
+package game
+
+// Regression: a %i<n> success message must name the ingredient alternative
+// the player actually used. Production resolved the message AFTER
+// consumeIngredients, so p.HasItem was false for everything consumed and
+// resolveCraftVar fell back to the entry's first alternative — naming the
+// item the player never touched when an entry lists several (bucket vs jug
+// of water).
+
+import (
+	"strings"
+	"testing"
+
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+)
+
+const craftMessageOutputYAML = `id: test_water_potion
+name: test water potion
+stackable: false
+value: 3
+craft:
+  - type: crafting
+    ingredients:
+      - items:
+          - bucket_of_water
+          - jug_of_water
+        quantity: 1
+        byproducts:
+          - empty_bucket
+          - empty_jug
+    success_message: "You mix the %i1 into a %n."
+    output_qty: 1
+`
+
+func TestCraftSuccessMessageNamesConsumedAlternative(t *testing.T) {
+	dir := t.TempDir()
+	seedWorld(t, dir)
+	writeDataFile(t, dir, "items", "bucket_of_water.yaml", "id: bucket_of_water\nname: bucket of water\nstackable: false\nvalue: 1\n")
+	writeDataFile(t, dir, "items", "jug_of_water.yaml", "id: jug_of_water\nname: jug of water\nstackable: false\nvalue: 1\n")
+	writeDataFile(t, dir, "items", "empty_bucket.yaml", "id: empty_bucket\nname: empty bucket\nstackable: false\nvalue: 1\n")
+	writeDataFile(t, dir, "items", "empty_jug.yaml", "id: empty_jug\nname: empty jug\nstackable: false\nvalue: 1\n")
+	writeDataFile(t, dir, "items", "test_water_potion.yaml", craftMessageOutputYAML)
+
+	g := newHardeningGame(t, dir)
+
+	g.RunOnOwner(func() {
+		p := player.New("alice")
+		p.RoomID = 1
+		// Only the jug is present: the entered alternative is bucket_of_water,
+		// so a post-consumption p.HasItem fallback would name the bucket.
+		p.SetInvSlot(0, &player.InventorySlot{ItemID: "jug_of_water", Quantity: 1})
+
+		conn := newChanConn()
+		sess := &net.Session{Conn: conn, Player: p}
+		sess.SetState(net.StateGame)
+
+		def, err := g.ItemStore.Load("test_water_potion")
+		if err != nil {
+			t.Fatalf("load recipe: %v", err)
+		}
+
+		g.startProductionFromItem(sess, p, def, 1)
+		if p.Action == nil {
+			t.Fatalf("production did not start; output=%q", conn.Bytes())
+		}
+		g.advanceProduction(sess, p) // phase 0 -> 1
+		g.advanceProduction(sess, p) // phase 1: consume + produce
+
+		if got := p.CountItem("test_water_potion"); got != 1 {
+			t.Fatalf("potion = %d, want 1; output=%q", got, conn.Bytes())
+		}
+		if got := p.CountItem("empty_jug"); got != 1 {
+			t.Fatalf("empty_jug = %d, want 1 (byproduct for the consumed jug)", got)
+		}
+
+		out := string(conn.Bytes())
+		if !strings.Contains(out, "jug of water") {
+			t.Errorf("success message does not name the consumed jug of water: %q", out)
+		}
+		if strings.Contains(out, "bucket of water") {
+			t.Errorf("success message names the bucket the player never used: %q", out)
+		}
+	})
+}
-- 
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