refactor: relocate options classes to dedicated Options folders

Move configuration options from Core/DataAccess/DataSync/ExcelIO to
dedicated Options folders within each project for better organization.
Update all references and tests accordingly.

NEW/src/JdeScoping.Infrastructure/Auth/LdapAuthService.cs

@@ -2,7 +2,7 @@ using System.DirectoryServices.Protocols;
 using System.Net;
 using JdeScoping.Core.Interfaces;
 using JdeScoping.Core.Models;
-using JdeScoping.Core.Options;
+using JdeScoping.Infrastructure.Options;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 
@@ -16,16 +16,13 @@ public sealed class LdapAuthService : IAuthService
     private const string LdapLookupFormat = "(sAMAccountName={0})";
 
     private readonly LdapOptions _options;
-    private readonly AuthOptions _authOptions;
     private readonly ILogger<LdapAuthService> _logger;
 
     public LdapAuthService(
         IOptions<LdapOptions> options,
-        IOptions<AuthOptions> authOptions,
         ILogger<LdapAuthService> logger)
     {
         _options = options.Value;
-        _authOptions = authOptions.Value;
         _logger = logger;
     }
 
@@ -41,7 +38,7 @@ public sealed class LdapAuthService : IAuthService
         }
 
         // Check if user is in admin bypass list
-        var isAdminBypass = _authOptions.AdminBypassUsers
+        var isAdminBypass = _options.AdminBypassUsers
             .Any(u => string.Equals(u, username, StringComparison.OrdinalIgnoreCase));
 
         // Try each configured LDAP server