Those can be bombed right at the beginning. Israel will probably try to establish a similar status que as in Lebanon right now - "if you make a move we immediately take it out".

And the development of a nuclear sites leaves a significant intelligence trail, not sure it can be hidden.

(Of course they can always be gifted a bomb, but that's a very different story)

Yeah I’m sure it will be a huge success with no unforeseen consequences whatsoever. Since that’s how these things have been going over the last thirty years.