add xmldoc comments

web/backend/Domain/Domain.Entities/Entities/BreweryPostLocation.cs

@@ -1,13 +1,48 @@
 namespace Domain.Entities;
 
+/// <summary>
+/// Represents the physical location of a <see cref="BreweryPost"/>. Maps to the <c>BreweryPostLocation</c> table.
+/// Each brewery post has at most one location, and the location is deleted automatically when its parent post is deleted.
+/// </summary>
 public class BreweryPostLocation
 {
+   /// <summary>
+   /// Primary key identifying this location. Maps to <c>BreweryPostLocationID</c>.
+   /// </summary>
    public Guid BreweryPostLocationId { get; set; }
+
+   /// <summary>
+   /// Foreign key referencing the owning <see cref="BreweryPost"/>. Maps to <c>BreweryPostID</c>; unique, enforcing a one-to-one relationship.
+   /// </summary>
    public Guid BreweryPostId { get; set; }
+
+   /// <summary>
+   /// The primary street address line.
+   /// </summary>
    public string AddressLine1 { get; set; } = string.Empty;
+
+   /// <summary>
+   /// An optional secondary address line (e.g., suite or unit number).
+   /// </summary>
    public string? AddressLine2 { get; set; }
+
+   /// <summary>
+   /// The postal/ZIP code of the location.
+   /// </summary>
    public string PostalCode { get; set; } = string.Empty;
+
+   /// <summary>
+   /// Foreign key referencing the city in which the brewery is located. Maps to <c>CityID</c>.
+   /// </summary>
    public Guid CityId { get; set; }
+
+   /// <summary>
+   /// Serialized SQL Server <c>GEOGRAPHY</c> value representing the geographic coordinates of the location, or <c>null</c> if not set.
+   /// </summary>
    public byte[]? Coordinates { 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; }
 }