Stream-decode msgpack responses instead of waiting for read timeout

lib/client/client.go

@@ -42,15 +42,10 @@ func (c *Client) send(msg any) (uint32, error) {
 }
 
 func (c *Client) receive(expectedID uint32) (any, error) {
-	data, err := c.transport.Receive(c.timeout)
-	if err != nil {
-		return nil, fmt.Errorf("receive: %w", err)
-	}
-	if len(data) == 0 {
-		return nil, fmt.Errorf("no response")
-	}
+	c.transport.SetReadTimeout(c.timeout)
+	dec := msgpack.NewDecoder(c.transport.Reader())
 	var env Envelope
-	if err := msgpack.Unmarshal(data, &env); err != nil {
+	if err := dec.Decode(&env); err != nil {
 		return nil, fmt.Errorf("decode envelope: %w", err)
 	}
 	if env.MessageID != expectedID {