feat(cli): make register interactive stages working

client/client.go

@@ -15,4 +15,5 @@ type Filter struct {
 type Client interface {
 	pingv1connect.PingServiceClient
 	runnerv1connect.RunnerServiceClient
+	Address() string
 }

client/http.go

@@ -62,13 +62,19 @@ func New(endpoint string, opts ...Option) *HTTPClient {
 			endpoint,
 			cfg.opts...,
 		),
+		endpoint: endpoint,
 	}
 }
 
+func (c *HTTPClient) Address() string {
+	return c.endpoint
+}
+
 var _ Client = (*HTTPClient)(nil)
 
 // An HTTPClient manages communication with the runner API.
 type HTTPClient struct {
 	pingv1connect.PingServiceClient
 	runnerv1connect.RunnerServiceClient
+	endpoint string
 }