Update XML doc comment in backend projects

web/backend/Features/Features.Breweries/Commands/CreateBrewery/CreateBreweryCommand.cs

@@ -3,6 +3,8 @@ using MediatR;
 
 namespace Features.Breweries.Commands.CreateBrewery;
 
+/// <summary>Location details for a brewery being created.</summary>
+/// <param name="Coordinates">Raw binary representation of the brewery's geographic coordinates.</param>
 public record CreateBreweryLocation(
     Guid CityId,
     string AddressLine1,

web/backend/Features/Features.Breweries/Commands/CreateBrewery/CreateBreweryHandler.cs

@@ -5,10 +5,14 @@ using MediatR;
 
 namespace Features.Breweries.Commands.CreateBrewery;
 
+/// <summary>Handles <see cref="CreateBreweryCommand" /> by persisting a new brewery post.</summary>
 public class CreateBreweryHandler(IBreweryRepository repository)
     : IRequestHandler<CreateBreweryCommand, BreweryDto>
 {
     /// <summary>Creates a new brewery post, generating new identifiers for the post and its location.</summary>
+    /// <exception cref="Domain.Exceptions.NotFoundException">
+    ///     Thrown when <paramref name="request" />'s <c>PostedById</c> or <c>Location.CityId</c> does not exist.
+    /// </exception>
     public async Task<BreweryDto> Handle(
         CreateBreweryCommand request,
         CancellationToken cancellationToken

web/backend/Features/Features.Breweries/Commands/CreateBrewery/CreateBreweryValidator.cs

@@ -2,6 +2,7 @@ using FluentValidation;
 
 namespace Features.Breweries.Commands.CreateBrewery;
 
+/// <summary>Validates <see cref="CreateBreweryCommand" />.</summary>
 public class CreateBreweryValidator : AbstractValidator<CreateBreweryCommand>
 {
     public CreateBreweryValidator()

web/backend/Features/Features.Breweries/Commands/DeleteBrewery/DeleteBreweryCommand.cs

@@ -2,4 +2,5 @@ using MediatR;
 
 namespace Features.Breweries.Commands.DeleteBrewery;
 
+/// <summary>Deletes a brewery post. Bound directly from the route of <c>DELETE /api/brewery/{id}</c>.</summary>
 public record DeleteBreweryCommand(Guid BreweryPostId) : IRequest;

web/backend/Features/Features.Breweries/Commands/DeleteBrewery/DeleteBreweryHandler.cs

@@ -3,9 +3,13 @@ using MediatR;
 
 namespace Features.Breweries.Commands.DeleteBrewery;
 
+/// <summary>Handles <see cref="DeleteBreweryCommand" /> by deleting the corresponding brewery post.</summary>
 public class DeleteBreweryHandler(IBreweryRepository repository)
     : IRequestHandler<DeleteBreweryCommand>
 {
+    /// <exception cref="Domain.Exceptions.NotFoundException">
+    ///     Thrown when no brewery exists with <paramref name="request" />'s <c>BreweryPostId</c>.
+    /// </exception>
     public Task Handle(DeleteBreweryCommand request, CancellationToken cancellationToken)
     {
         return repository.DeleteAsync(request.BreweryPostId);

web/backend/Features/Features.Breweries/Commands/UpdateBrewery/UpdateBreweryCommand.cs

@@ -3,6 +3,11 @@ using MediatR;
 
 namespace Features.Breweries.Commands.UpdateBrewery;
 
+/// <summary>Location details for a brewery being updated.</summary>
+/// <param name="BreweryPostLocationId">
+///     Identifier of the existing location row, if any; a new row is created if none exists yet.
+/// </param>
+/// <param name="Coordinates">Raw binary representation of the brewery's geographic coordinates.</param>
 public record UpdateBreweryLocation(
     Guid BreweryPostLocationId,
     Guid CityId,

web/backend/Features/Features.Breweries/Commands/UpdateBrewery/UpdateBreweryHandler.cs

@@ -5,6 +5,7 @@ using MediatR;
 
 namespace Features.Breweries.Commands.UpdateBrewery;
 
+/// <summary>Handles <see cref="UpdateBreweryCommand" /> by persisting changes to an existing brewery post.</summary>
 public class UpdateBreweryHandler(IBreweryRepository repository)
     : IRequestHandler<UpdateBreweryCommand, BreweryDto>
 {

web/backend/Features/Features.Breweries/Commands/UpdateBrewery/UpdateBreweryValidator.cs

@@ -2,6 +2,7 @@ using FluentValidation;
 
 namespace Features.Breweries.Commands.UpdateBrewery;
 
+/// <summary>Validates <see cref="UpdateBreweryCommand" />.</summary>
 public class UpdateBreweryValidator : AbstractValidator<UpdateBreweryCommand>
 {
     public UpdateBreweryValidator()