Moved some classes around to the domain layer.

JSMR.Domain/Enums/TranslationKind.cs

@@ -0,0 +1,9 @@
+namespace JSMR.Domain.Enums;
+
+[Flags]
+public enum TranslationKind
+{
+    None = 0,
+    Official = 1,
+    Recommended = 2
+}

JSMR.Domain/ValueObjects/SupportedLanguage.cs

@@ -1,4 +1,5 @@
 using JSMR.Domain.Enums;
+using System.Diagnostics.CodeAnalysis;
 
 namespace JSMR.Domain.ValueObjects;
 
@@ -26,14 +27,14 @@ public sealed record SupportedLanguage(string Code, Language Language)
     private static readonly Dictionary<Language, SupportedLanguage> _byLang =
         All.ToDictionary(x => x.Language);
 
-    public static bool TryFromCode(string code, out SupportedLanguage? supportedLanguage) =>
+    public static bool TryFromCode(string code, [MaybeNullWhen(false)] out SupportedLanguage supportedLanguage) =>
         _byCode.TryGetValue(code, out supportedLanguage);
 
-    public static bool TryFromLanguage(Language lang, out SupportedLanguage? supportedLanguage) =>
-        _byLang.TryGetValue(lang, out supportedLanguage);
+    public static bool TryFromLanguage(Language language, [MaybeNullWhen(false)] out SupportedLanguage supportedLanguage) =>
+        _byLang.TryGetValue(language, out supportedLanguage);
 
     public static SupportedLanguage FromLanguage(Language language) =>
-        _byLang.TryGetValue(language, out var sl)
-            ? sl
+        _byLang.TryGetValue(language, out SupportedLanguage? supportedLanguage)
+            ? supportedLanguage
             : throw new ArgumentOutOfRangeException(nameof(language), $"Unsupported: {language}");
 }

JSMR.Domain/ValueObjects/VoiceWorkSeries.cs

@@ -0,0 +1,3 @@
+namespace JSMR.Domain.ValueObjects;
+
+public sealed record VoiceWorkSeries(string Identifier, string Name);

JSMR.Domain/ValueObjects/VoiceWorkTranslation.cs

@@ -0,0 +1,8 @@
+using JSMR.Domain.Enums;
+
+namespace JSMR.Domain.ValueObjects;
+
+public sealed record VoiceWorkTranslation(
+    string OriginalProductId,
+    Language Language,
+    TranslationKind Kind = TranslationKind.None);