dear tony,
let me give a reply to question 2)&3).there are search interface for both group talk&p2p chat in C/S client software (smarteye client/monitor) but none in WEB SDK yet,
will work on that,need some time.
dear tony,
we're working on new functions in WEB H5 software by customers payment.
pls sort out those features you want in a document, email to us,
we shall give a quotation.