Recently the Biden Administration rolled out its "ceasefire plan", which entails an exchange of prisoners and hostages and an immediate withdrawal of all Israeli forces from Gaza, leaving the orchestrators of last year's mini Holocaust in power. Any reasonable person, upon glancing at it for longer than two seconds, would realize this is not a serious proposal, because PM Netanyahu will obviously never agree to this. Not after October 7, and not after Israel had sunk so much blood, treasure, and political capital into driving Hamas away from Israel's borders. And for another thing, it would permanently end Netanyahu's career. He would be forever reviled among the left and many moderates for slaughtering tens of thousands of Gazan civilians for no reason, while he'd be forever reviled on the right for chickening out at the last second when they'd almost brought Hamas to heel.
So then, here's a serious proposal.
#1. Evacuation of Hamas from the Gaza Strip, and total Israeli occupation.
Diplomacy must either recognize gross power imbalances or the state of war must continue. In this case, Israel holds the upper hand. This must, of course, be balanced against the need to offer the weaker party something of enough value to justify laying down their arms. In this case, an escape to a friendly third country (Muslims everywhere seem to love Hamas and deny they did anything wrong, so this shouldn't be too hard to arrange).
Yahya Sinwar, the leader of Hamas, and his cronies, will be allowed to spend the rest of their lives on a beach sipping martinis and reminiscing fondly about that time they killed a bunch of Jewish children and babies and got away with it. This is a hard pill for Israelis to swallow, but they will have achieved their objective of expelling this existential threat from Gaza.
At the same time, this should take the fight out of Gazans. Hamas started a war in their name, ditched them when things got heated, and left them to clean up the rubble and bury the mangled shells of their loved ones. They'll be similarly distrustful in the future of any group similar to Hamas.
#2. One year of Israeli military occupation to mop up any partisans who didn't evacuate, followed by one year of a new elected Gazan government backed up by the Israeli military, followed by Israeli withdrawal
As a show of goodwill to the PA, the authority in the West Bank will be allowed to play a role in establishing this new government, and send its politicians and bureaucrats to assume key roles there. However, it is dangerous to Israel for Palestinians in the West Bank and Gaza to be united, so the two governments will be independent from each other.
Likewise, Israel will have the ultimate say up until said withdrawal. The first election cycle? Israel will vet all candidates and parties, and ban Hamas-style radicals from running. The new constitution? Israel will vet it for any antisemitic language or pledge to make war on Israel. The new Supreme Court, whose justices will serve for life? Israel will have to approve the first batch of judges to be appointed to it, ensuring a moderate wing of the government even if Gazans should subsequently elect radicals after the withdrawal.
#3. A full and immediate lifting of the Gazan Blockade, and an Israeli donation of $10-$20 billion to help Gaza rebuild
Straightforward. Hamas was the reason for this blockade, so if they're gone then it can be repealed, contingent on the Gazans not installing any Hamas-like group in the future.
#4. A treaty of peace between Israel and the new Gazan government, and Gaza signs the NPT
Also straightforward.