ladishd: save additional attributes for graph objects

For clients, save the naming scheme used. sometimes it is useful to maintain the original jack or alsa client name.

For ports, save port type and direction, alsa ports can be bidirectional, this renders as two a2j ports.

daemon/save.c

@@ -146,6 +146,16 @@ ladish_save_vgraph_client_begin(
     return false;
   }
 
+  if (!ladish_write_string(fd, "\" naming=\""))
+  {
+    return false;
+  }
+
+  if (!ladish_write_string(fd, "app"))
+  {
+    return false;
+  }
+
   if (!ladish_write_string(fd, "\">\n"))
   {
     return false;
@@ -265,6 +275,26 @@ ladish_save_vgraph_port(
     return false;
   }
 
+  if (!ladish_write_string(fd, "\" type=\""))
+  {
+    return false;
+  }
+
+  if (!ladish_write_string(fd, port_type == JACKDBUS_PORT_TYPE_AUDIO ? "audio" : "midi"))
+  {
+    return false;
+  }
+
+  if (!ladish_write_string(fd, "\" direction=\""))
+  {
+    return false;
+  }
+
+  if (!ladish_write_string(fd, JACKDBUS_PORT_IS_INPUT(port_flags) ? "input" : "output"))
+  {
+    return false;
+  }
+
   if (link)
   {
     if (!ladish_write_string(fd, "\" link_uuid=\""))