3.3.3 - Are You Comfortable Putting Your Name on This Build? - Set the ownership threshold: say what is still imperfect, what would happen if it failed and why shipping is still acceptable under those conditions.
3.3.2 - Name the Risks Yourself Before Users Find Them in Production - Name the launch risk: say what might break, what would trigger it and what response reduces the damage.
3.3.1 - What "Ready" Actually Means Once Real Users Are Looking - Define the readiness rule: say what has to be true, how it will be checked and who owns any remaining risk.