Merge pull request #474 from cmu-sei/v8

fixes #470 and #473

src/Ghosts.Api/Controllers/Api/ClientIdController.cs

@@ -20,8 +20,8 @@ namespace ghosts.api.Controllers.Api
     public class ClientIdController(IMachineService service) : Controller
     {
         private static readonly Logger _log = LogManager.GetCurrentClassLogger();
-        private readonly IMachineService _service = service;
-
+        private readonly IMachineService _service = service;
+
         /// <summary>
         /// Clients use this endpoint to get their unique GHOSTS system ID
         /// </summary>
@@ -33,8 +33,7 @@ public async Task<IActionResult> Index(CancellationToken ct)
         {
             if (!Request.Headers.TryGetValue("ghosts-id", out var id))
             {
-                _log.Warn("Request missing ghosts-id header");
-                return BadRequest("Missing ghosts-id header");
+                id = string.Empty;
             }
 
             _log.Info($"Request by {id}");