Fix tests

pkg/manager/operations_test.go

@@ -63,8 +63,12 @@ func TestCreateInstance_ValidationAndLimits(t *testing.T) {
 
 	// Test max instances limit
 	backendConfig := config.BackendConfig{
-		LlamaExecutable: "llama-server",
-		MLXLMExecutable: "mlx_lm.server",
+		LlamaCpp: config.BackendSettings{
+			Command: "llama-server",
+		},
+		MLX: config.BackendSettings{
+			Command: "mlx_lm.server",
+		},
 	}
 	cfg := config.InstancesConfig{
 		PortRange:            [2]int{8000, 9000},