Enhance apparel definitions: Introduce 'UpperUnderwear' layer and related items (Bra, SportsBra, SoftBra) to support gender-specific clothing. Update inventory and dress generation logic to accommodate new layers and ensure proper coverage. Adjust localization for new apparel terms and refine tests for underwear functionality.

tests/HSchool.People.Tests/DressGeneratorTests.cs

@@ -136,6 +136,43 @@ public class DressGeneratorTests
         Assert.Equal(ItemsSnapshot(roster), ItemsSnapshot(dressed));
     }
 
+    [Fact]
+    public void Underwear_IsSplitBySex_AndAdultFemalesWearABra()
+    {
+        var roster = Fixtures.Generate(Fixtures.Classrooms(11));
+        var bras = new HashSet<string>(StringComparer.Ordinal) { "Bra", "SportsBra", "SoftBra" };
+
+        foreach (var person in roster.People)
+        {
+            var worn = person.Items
+                .Where(item => item.Location == ItemLocations.Worn)
+                .Select(item => item.Def)
+                .ToHashSet(StringComparer.Ordinal);
+
+            Assert.DoesNotContain("Underwear", worn);
+            if (person.Female)
+            {
+                Assert.Contains("Panties", worn);
+                Assert.DoesNotContain("Briefs", worn);
+                Assert.DoesNotContain("Boxers", worn);
+                if (person.AgeOn(Fixtures.AsOf) >= 11)
+                {
+                    Assert.True(worn.Overlaps(bras), $"{person.Id} age {person.AgeOn(Fixtures.AsOf)} has no bra.");
+                }
+                else
+                {
+                    Assert.False(worn.Overlaps(bras), $"{person.Id} is too young for a bra.");
+                }
+            }
+            else
+            {
+                Assert.True(worn.Contains("Briefs") || worn.Contains("Boxers"), $"{person.Id} has no male underwear.");
+                Assert.DoesNotContain("Panties", worn);
+                Assert.False(worn.Overlaps(bras), $"{person.Id} wears a bra.");
+            }
+        }
+    }
+
     [Fact]
     public void EveryoneHasHauling()
     {