Add RecResults DbSet for InsertObjectResult entities

Added RecResults DbSet to IRecDbContext and RecDbContext to support managing InsertObjectResult entities. Updated IRecDbContext to include the new DbSet and ensured SaveChangesAsync is defined. Enables querying and persisting InsertObjectResult via EF Core.

src/ReC.Application/Common/Interfaces/IRecDbContext.cs

@@ -31,5 +31,7 @@ public interface IRecDbContext
 
     public DbSet<RecAction> RecActions { get; set; }
 
+    public DbSet<InsertObjectResult> RecResults { get; set; }
+
     public Task<int> SaveChangesAsync(CancellationToken cancel = default);
 }

src/ReC.Infrastructure/RecDbContext.cs

@@ -32,6 +32,8 @@ public class RecDbContext(DbContextOptions<RecDbContext> options) : DbContext(op
 
     public DbSet<RecAction> RecActions { get; set; }
 
+    public DbSet<InsertObjectResult> RecResults { get; set; }
+
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         base.OnModelCreating(modelBuilder);