Continue monitoring. Continue accumulating data. Establish the bounds of ordinary variation during the monitoring period.
Thellim has already verified, earlier, that the kind of instruction she is trying to give to Melody's Mindhealing Gift, appears to actually work on simpler and more understandable problems.
Thellim is going to need a rest when this is over. The price of having a somewhat more clever plan, with more preparation work, is that the plan required her to work earlier. No direct ride to Haven's 'palace' for her, she's going to run through the Gate and then sit down and possibly have her first-ever reaction-headache, which she cannot afford to have right now because coming up very soon is the important part.
They are doing slightly less Manic Science this time. It is still very Maniacal.