Enhance school simulation management by introducing a new SchoolWeekDays option, allowing configuration of the number of working days in a week. Update the API to include school week days in responses and enhance documentation to reflect these changes. Revise UI components to support the new management features, ensuring a seamless user experience when hiring and assigning staff. Update localization strings for improved clarity and consistency across the application.

src/HSchool.Content/PeopleDefValidator.cs

@@ -39,11 +39,26 @@ internal static class PeopleDefValidator
             ValidateStaffing(staffing);
         }
 
+        foreach (var frame in catalog.DayFrames.Values)
+        {
+            ValidateDayFrame(frame);
+        }
+
+        foreach (var holiday in catalog.Holidays.Values)
+        {
+            ValidateHoliday(holiday);
+        }
+
         if (catalog.Staffing.Values.Count(def => !def.Abstract) > 1)
         {
             throw new ContentLoadException("A catalog may only have one concrete StaffingDef.");
         }
 
+        if (catalog.DayFrames.Values.Count(def => !def.Abstract) > 1)
+        {
+            throw new ContentLoadException("A catalog may only have one concrete DayFrameDef.");
+        }
+
         RequireBuildInputs(catalog);
     }
 
@@ -268,6 +283,16 @@ internal static class PeopleDefValidator
                 throw new ContentLoadException($"SubjectDef '{subject.DefName}' skill '{share.Skill}' share cannot be negative.");
             }
         }
+
+        if (string.IsNullOrWhiteSpace(subject.Room))
+        {
+            return;
+        }
+
+        if (!catalog.Rooms.TryGetValue(subject.Room, out var room) || room.Abstract)
+        {
+            throw new ContentLoadException($"SubjectDef '{subject.DefName}' references unknown RoomDef '{subject.Room}'.");
+        }
     }
 
     private static void ValidateStaffing(StaffingDef staffing)
@@ -308,6 +333,69 @@ internal static class PeopleDefValidator
         }
     }
 
+    private static void ValidateDayFrame(DayFrameDef frame)
+    {
+        if (frame.Abstract)
+        {
+            return;
+        }
+
+        if (!SchoolDay.TryParseTime(frame.FirstLesson, out _))
+        {
+            throw new ContentLoadException($"DayFrameDef '{frame.DefName}' firstLesson '{frame.FirstLesson}' is not a time.");
+        }
+
+        if (frame.LessonCount is < 1 or > 12)
+        {
+            throw new ContentLoadException($"DayFrameDef '{frame.DefName}' lessonCount must be 1–12.");
+        }
+
+        if (frame.LessonMinutes is < 1 or > 180)
+        {
+            throw new ContentLoadException($"DayFrameDef '{frame.DefName}' lessonMinutes must be 1–180.");
+        }
+
+        if (frame.BreakMinutes is < 0 or > 60)
+        {
+            throw new ContentLoadException($"DayFrameDef '{frame.DefName}' breakMinutes must be 0–60.");
+        }
+
+        if (frame.LongBreakMinutes is < 0 or > 120)
+        {
+            throw new ContentLoadException($"DayFrameDef '{frame.DefName}' longBreakMinutes must be 0–120.");
+        }
+
+        if (frame.LongBreakAfter is < 0 || frame.LongBreakAfter >= frame.LessonCount)
+        {
+            throw new ContentLoadException($"DayFrameDef '{frame.DefName}' longBreakAfter must be 0 or a lesson before the last.");
+        }
+    }
+
+    private static void ValidateHoliday(HolidayDef holiday)
+    {
+        if (holiday.Abstract)
+        {
+            return;
+        }
+
+        ValidateMonthDay(holiday.Start, holiday.DefName, "start");
+        ValidateMonthDay(holiday.End, holiday.DefName, "end");
+    }
+
+    private static void ValidateMonthDay(MonthDay stamp, string defName, string field)
+    {
+        if (stamp.Month is < 1 or > 12)
+        {
+            throw new ContentLoadException($"HolidayDef '{defName}' {field} month must be 1–12.");
+        }
+
+        var days = DateTime.DaysInMonth(2000, stamp.Month);
+        if (stamp.Day < 1 || stamp.Day > days)
+        {
+            throw new ContentLoadException($"HolidayDef '{defName}' {field} day is not valid for that month.");
+        }
+    }
+
     private static void ValidateNameSet(NameSetDef names)
     {
         if (!NameGrammar.IsKnownPatronymic(names.PatronymicRule))