Implement phase 35 dress appropriateness and school rules.

Adds outfit evaluation, morning home dressing, locker-room ChangeClothes with day-log events, PE/weather AI goals, dress-rules API, and tests.

src/HSchool.Simulation/School.cs

@@ -85,6 +85,9 @@ public sealed class School : IDisposable
     /// <summary>Street temperature and precipitation last committed for the clock and warmth.</summary>
     public OutdoorWeather Weather { get; private set; } = OutdoorWeather.None;
 
+    /// <summary>Student and staff dress rules. Pending pair applies on the next work morning.</summary>
+    public SchoolDressRules DressRules { get; set; } = new();
+
     /// <summary>Skill everyone generated for this school speaks natively.</summary>
     public string? NativeLanguage { get; private set; }
 
@@ -339,7 +342,12 @@ public sealed class School : IDisposable
         var next = EvaluateWeather();
         if (force || next.Tenths != Weather.Tenths || next.Precipitation != Weather.Precipitation)
         {
+            var before = Weather;
             Weather = next;
+            if (Roster is not null && Catalog is not null)
+            {
+                ApparelPresence.EnqueueOnWeatherChange(this, before, next);
+            }
         }
     }