Push two missing files

backend/FwLite/MiniLcm/Validators/PartOfSpeechValidator.cs

@@ -0,0 +1,19 @@
+using FluentValidation;
+using MiniLcm.Models;
+
+namespace MiniLcm.Validators;
+
+public class PartOfSpeechValidator : AbstractValidator<PartOfSpeech>
+{
+    public PartOfSpeechValidator()
+    {
+        RuleFor(pos => pos.Id).Must(BeCanonicalGuid).When(pos => pos.Predefined);
+        RuleFor(pos => pos.DeletedAt).Null();
+        RuleFor(pos => pos.Name).Required();
+    }
+
+    private bool BeCanonicalGuid(Guid id)
+    {
+        return CanonicalGuidsPartOfSpeech.CanonicalPosGuids.Contains(id);
+    }
+}

backend/FwLite/MiniLcm/Validators/WritingSystemValidator.cs

@@ -0,0 +1,21 @@
+using FluentValidation;
+using MiniLcm.Models;
+using SIL.WritingSystems;
+
+namespace MiniLcm.Validators;
+
+public class WritingSystemValidator : AbstractValidator<WritingSystem>
+{
+    public WritingSystemValidator()
+    {
+        RuleFor(ws => ws.Abbreviation).NotNull().NotEmpty();
+        RuleFor(ws => ws.DeletedAt).Null();
+        RuleFor(ws => ws.Name).NotNull().NotEmpty();
+        RuleFor(ws => ws.WsId).Must(BeValidWsId);
+    }
+
+    private bool BeValidWsId(WritingSystemId wsId)
+    {
+        return wsId.Code == "default" || wsId.Code == "__key" || IetfLanguageTag.IsValid(wsId.Code);
+    }
+}