feat: better 'list' bet table, multiple bets in baccarat

2 files changed, 33 insertions, 0 deletions

diff --git a/internal/item/house_edge_test.go b/internal/item/house_edge_test.go
new file mode 100644
index 0000000..574a68f
--- /dev/null
+++ b/internal/item/house_edge_test.go
@@ -0,0 +1,29 @@
+package item
+
+import "testing"
+
+// TestHouseEdgeItemDefinitions pins the two house-edge reference items: the
+// tile shows whole percent, the computus shows hundredths. Neither stacks
+// (the precision is a capability, not a quantity) and both are valuable
+// enough that a player will bank them rather than drop them.
+func TestHouseEdgeItemDefinitions(t *testing.T) {
+	store := NewItemStore("../../data")
+	for _, tc := range []struct {
+		id        string
+		precision int
+	}{
+		{"house_edge_tile", 0},
+		{"house_edge_computus", 2},
+	} {
+		def, err := store.Load(tc.id)
+		if err != nil {
+			t.Fatalf("load %s: %v", tc.id, err)
+		}
+		if def.HouseEdgePrecision == nil || *def.HouseEdgePrecision != tc.precision {
+			t.Fatalf("%s: house_edge_precision = %v, want %d", tc.id, def.HouseEdgePrecision, tc.precision)
+		}
+		if def.Stackable {
+			t.Fatalf("%s must not stack (its precision is a capability, not a quantity)", tc.id)
+		}
+	}
+}
diff --git a/internal/item/item.go b/internal/item/item.go
index 809959e..c083d8e 100644
--- a/internal/item/item.go
+++ b/internal/item/item.go
@@ -91,6 +91,10 @@ type ItemDef struct {
 	Tool         *ToolDef       `yaml:"tool,omitempty"`
 	Requirements map[string]int `yaml:"requirements,omitempty"`
 
+	// Optional inventory-only casino reference capability. Supported precision:
+	// 0 (whole percent) or 2 (hundredths of a percent); nil grants nothing.
+	HouseEdgePrecision *int `yaml:"house_edge_precision,omitempty"`
+
 	MaxQuality int       `yaml:"max_quality"`
 	Craft      CraftList `yaml:"craft,omitempty"`