add labels

src/Infrastructure/BotSharp.OpenAPI/Controllers/AgentController.cs

@@ -160,4 +160,20 @@ public class AgentController : ControllerBase
         }
         return utilities.Where(x => !string.IsNullOrWhiteSpace(x.Name)).OrderBy(x => x.Name).ToList();
     }
+
+    [HttpGet("/agent/labels")]
+    public async Task<IEnumerable<string>> GetAgentLabels()
+    {
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var agents = await agentService.GetAgents(new AgentFilter
+        {
+            Pager = new Pagination { Size = 1000 }
+        });
+
+        var labels = agents.Items?.SelectMany(x => x.Labels)
+                                  .Distinct()
+                                  .OrderBy(x => x)
+                                  .ToList() ?? [];
+        return labels;
+    }
 }