Agreed,
This CTB has never made much sense to me - I'm sure the last couple of rigs I flew to at night had Octagon shaped green lights around the perimeter, not the circle.
I like the terminology 'Sight Picture'. Whilst I've been generally staying out of this discussion on the basis I feel any approach at night has too high a likelihood of going horribly wrong, if I am to continue night decks, then I feel your standardization and stable approach ideas are good. In order I think
i) Gate Position (1nm 500ft or so, after a short period of stable level run-in)
ii) Sight Picture (Start of Descent)
iii) Committal