Add audience categorization for shows: implement ShowAudience type, update related API endpoints, and enhance frontend components for audience selection and display. Modify data structures to support audience information in show creation and retrieval processes.

backend/src/TeleWave.Domain/Library/Show.cs

@@ -18,6 +18,10 @@ public class Show
 
     public string? Description { get; private set; }
     public ShowKind Kind { get; private set; }
+
+    /// <summary>Категория аудитории (обычное/детское/взрослое) — под будущие фильтры показа.</summary>
+    public ShowAudience Audience { get; private set; }
+
     public DateTimeOffset CreatedAt { get; private set; }
 
     // ── Метаданные (TMDb/OMDb/вручную) ──
@@ -42,7 +46,8 @@ public class Show
         string name,
         ShowKind kind,
         string? description = null,
-        string? originalName = null
+        string? originalName = null,
+        ShowAudience audience = ShowAudience.General
     ) =>
         new()
         {
@@ -51,9 +56,13 @@ public class Show
             OriginalName = Normalize(originalName),
             Kind = kind,
             Description = description,
+            Audience = audience,
             CreatedAt = DateTimeOffset.UtcNow,
         };
 
+    /// <summary>Задать категорию аудитории (обычное/детское/взрослое).</summary>
+    public void SetAudience(ShowAudience audience) => Audience = audience;
+
     public void Rename(string name, string? description)
     {
         Name = name;