Sample outdoor weather from the climate preset so people can freeze and the clock can show it.

Protocol v8 adds tenths of a °C and precipitation to the clock frame; warmth drains from insulation versus place temperature.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/HSchool.Content/PeopleDefValidator.cs

@@ -30,6 +30,11 @@ internal static class PeopleDefValidator
             ValidateCountry(country, catalog);
         }
 
+        foreach (var preset in catalog.ClimatePresets.Values)
+        {
+            ValidateClimatePreset(preset);
+        }
+
         foreach (var subject in catalog.Subjects.Values)
         {
             ValidateSubject(subject, catalog);
@@ -576,6 +581,40 @@ internal static class PeopleDefValidator
         ValidateNameSet(country.Names ?? new NameSetDef(), catalog, country.DefName);
     }
 
+    private static void ValidateClimatePreset(ClimatePresetDef preset)
+    {
+        if (preset.Abstract)
+        {
+            return;
+        }
+
+        if (preset.MonthlyNorms.Count != 12)
+        {
+            throw new ContentLoadException(
+                $"ClimatePresetDef '{preset.DefName}' monthlyNorms must list 12 months.");
+        }
+
+        if (preset.DaySpread < 0 || preset.HourSpread < 0)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' spreads cannot be negative.");
+        }
+
+        if (preset.PrecipitationChance < 0 || preset.PrecipitationChance > 1)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' precipitationChance must be 0–1.");
+        }
+
+        if (preset.ComfortHalfWidthC < 0)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' comfortHalfWidthC cannot be negative.");
+        }
+
+        if (preset.InsulationPerC < 0)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' insulationPerC cannot be negative.");
+        }
+    }
+
     private static void ValidateNameSet(NameSetDef names, DefCatalog catalog, string countryDefName)
     {
         if (!NameGrammar.IsKnownPatronymic(names.PatronymicRule))