LHC 2.30v now has extension for SugarCRM integration. Extension can be found here https://github.com/LiveHelperChat/sugarcrm
In chat window will be new tab SugarCRM there you can create/update existing SugarCRM Lead.
P.s it's compatible with automated hosting :) Just activate it in client instance and that's all.
Also may find usefull this forum topic https://forum.livehelperchat.com/viewtopic.php?id=1065
Developing application takes a lot of time. You can support application by donating. There is no company behind this application and it takes away my free time. Every donation matters and does not matter how small it is!