Why? I used your term.
I129f is the USCIS what does where the consulate is have to do with the petition approval ?
Are you now grasping at straws because your narrative has fallen apart?
One, two or a dozen meetings that have flimsy evidence will be problematic. You only need ONE that doesn't.
I visited my now wife 5 times before filing. I sent complete evidence of only the last one
You control how quickly your file gets qualifed and approved. Much depends on how quickly you are able to gather and upload all the required documents before the case can be sent to the consulate
Singapore will not be requesting a cenomar as that is a Manila only requirement.
You always have the option to register and if you want to register then do it before you leave Singapore permanently
OMG his question is primarily in regards to going through a pre clearance facility. Your catastrophic events would be true on any itinerary that transits an airport anywhere in the world. Not everyone has the luxury of direct flights to the USA.