- Updated column names from 'Timer' to 'RowVersion' in schema.sql for

- Introduced new BeerPost entity and updated BreweryPost and BreweryPostLocation entities to use 'RowVersion' for concurrency.
- Modified UserAccount, UserCredential, UserVerification, City, StateProvince, and Country entities to use 'RowVersion' instead of 'Timer'.
- Updated tests and command handlers to reflect changes in concurrency token from 'Timer' to 'RowVersion'.
- Adjusted BreweryDto and BreweryDtoMapper to include 'RowVersion' and updated mapping logic accordingly.
- Ensured all repository methods and interfaces are aligned with the new concurrency handling approach.

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

@@ -19,13 +19,13 @@ public record UpdateBreweryLocation(
 
 /// <summary>
 ///     Updates an existing brewery post. Bound directly from the request body of <c>PUT /api/brewery/{id}</c>.
-///     A <c>null</c> <see cref="Location" /> clears the brewery's location. <see cref="Timer" /> must be the
+///     A <c>null</c> <see cref="Location" /> clears the brewery's location. <see cref="RowVersion" /> must be the
 ///     row-version last read for this brewery (e.g. from a prior <c>GET</c>); the update is rejected with a
 ///     <c>409 Conflict</c> if the brewery was modified since then.
 /// </summary>
 public record UpdateBreweryCommand(
     Guid BreweryPostId,
-    byte[] Timer,
+    byte[] RowVersion,
     Guid PostedById,
     string BreweryName,
     string Description,

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

@@ -19,7 +19,7 @@ public class UpdateBreweryHandler(IBreweryRepository repository)
     /// </exception>
     /// <exception cref="Domain.Exceptions.ConflictException">
     ///     Thrown when the brewery was modified by another request since <paramref name="request" />.
-    ///     <c>Timer</c> was read.
+    ///     <c>RowVersion</c> was read.
     /// </exception>
     public async Task<BreweryDto> Handle(
         UpdateBreweryCommand request,
@@ -32,7 +32,7 @@ public class UpdateBreweryHandler(IBreweryRepository repository)
             PostedById = request.PostedById,
             BreweryName = request.BreweryName,
             Description = request.Description,
-            Timer = request.Timer,
+            RowVersion = request.RowVersion,
             UpdatedAt = DateTime.UtcNow,
             Location = request.Location is null
                 ? null

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

@@ -7,8 +7,8 @@ public class UpdateBreweryValidator : AbstractValidator<UpdateBreweryCommand>
 {
     public UpdateBreweryValidator()
     {
-        RuleFor(x => x.Timer)
+        RuleFor(x => x.RowVersion)
             .NotEmpty()
-            .WithMessage("Timer is required to detect conflicting concurrent updates.");
+            .WithMessage("RowVersion is required to detect conflicting concurrent updates.");
     }
 }