Setting up basic API Structure

ac_web/lib/Api/Services/AgentsService.dart

@@ -0,0 +1,15 @@
+import 'package:ac_web/Api/Dtos/AgentDto.dart';
+import 'package:ac_web/Api/Services/ApiServiceBase.dart';
+
+/// Access to the backend `AgentsController` (`/agents`).
+class AgentsService extends ApiServiceBase {
+  const AgentsService(super.client);
+
+  @override
+  String get controllerRoute => 'agents';
+
+  /// `GET /agents` - all known agents including their current tasks.
+  Future<List<AgentDto>> getAgents() {
+    return client.getList(route(), AgentDto.fromJson);
+  }
+}