The flip side would be what do you do now, just stop?
No, of course not.
What I think Israel should do is play the long game. The very loooong game.
Israel should consider and agree to a ceasefire in the near future for humanitarian reasons. They can state that they have achieved significant results in severely weakening Hamas. For the time being, they have accomplished what was intended.
Meanwhile, Israel should significantly enhance and bolster their traditional intelligence methods, networks, spies and human sources etc. the old school way.
In 2-3 years, they should launch an attack on Hamas out of left field. Within a narrow window, an operation could be launched to capture or neutralize the entire leadership of Hamas, dismantle their infrastructure in Gaza, disrupt supply lines all the way back to Iran, target their propaganda efforts, and anything and everything in between.
Consider how Hamas achieved its remarkable success. Their key strategy involved meticulous planning and a low-key approach, which included deliberately misleading the Israelis and lulling them into complacency, those were primary factors. Israel should do the same.
Remember, revenge is dish best served cold.
(If anyone is connected, let those in HaKirya know that I'm available.)