add xmldoc comments

web/backend/Domain/Domain.Entities/Entities/BreweryPost.cs

@@ -1,13 +1,48 @@
 namespace Domain.Entities;
 
+/// <summary>
+/// Represents a user-submitted post about a brewery. Maps to the <c>BreweryPost</c> table.
+/// A user account cannot be deleted while it has an associated brewery post.
+/// </summary>
 public class BreweryPost
 {
+    /// <summary>
+    /// Primary key identifying this brewery post. Maps to <c>BreweryPostID</c>.
+    /// </summary>
     public Guid BreweryPostId { get; set; }
+
+    /// <summary>
+    /// Foreign key referencing the <see cref="UserAccount"/> that authored this post. Maps to <c>PostedByID</c>.
+    /// </summary>
     public Guid PostedById { get; set; }
+
+    /// <summary>
+    /// The name of the brewery being posted about.
+    /// </summary>
     public string BreweryName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Free-text description of the brewery.
+    /// </summary>
     public string Description { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The date and time the post was created.
+    /// </summary>
     public DateTime CreatedAt { get; set; }
+
+    /// <summary>
+    /// The date and time the post was last updated, or <c>null</c> if it has never been updated.
+    /// </summary>
     public DateTime? UpdatedAt { get; set; }
+
+    /// <summary>
+    /// SQL Server <c>ROWVERSION</c> concurrency token used to detect concurrent updates. <c>null</c> until the row has been read from the database.
+    /// </summary>
     public byte[]? Timer { get; set; }
+
+    /// <summary>
+    /// The associated <see cref="BreweryPostLocation"/> for this post, if one has been set. This is a one-to-one navigation property.
+    /// </summary>
     public BreweryPostLocation? Location { get; set; }
 }