I mean they should've started their attacks on Tel Aviv and northern settlements again to draw the IDF into a fight on their southern flank. though with said flank under defended by Israelis ATM they could probably kick them out of the remaining occupied towns in S. Lebanon.

They wouldn't need to engage in Syria beyond maybe cross border attacks on IDF troops and convoys if they were taking this threat seriously. Either way it's clear Israel intends to bypass the southern fortresses and break the ceasefire deal very soon