I will add some positive feedback :- ) The controls and behavior on first look, do look identical to Octane/F-Storm, which is good thing.
Default ray look will always be bit fake, some blurring, shift and rotation needs to selected but perhaps it will never simulate the real deal without mask.
Esp. wide angled architectural lenses (from f/11 higher) feature lot of rays, with sub-rays as form of blurring. So it's 14 flares and each flare up to 4 "mini-flares" (perhaps due to astigmatism?).
The rays are also irregular in length.
Prime architectural lens (24/28):
Zoom architectural lens (much stronger flare), like Nikkor 14-24 f/2.8 (probably f/16 in this example)
I don't think there needs to be more controls, but perhaps a mask for custom shape ?