Steady lights F+R, suplemented on the rear with a flashing one, and ideally another red light (Steady or flashing) on the back of your lid.
A Flasher on the front is more likely to dazzle drivers IME and TBH just because a driver can’t see propoerly, there’s no guaruntee that they won’t still attempt to pull out all a flashing light does is mess with their estimation of distance and speed…
A forward facing white helmet light in traffic of any sort is a definate No No IMO. I like to be able to look about with a white beam of light following your head movements there’s a pretty good liklihood of you blinding oncoming drivers, those puling out of junctions, even catching the mirrors of the car in front, it’s the opposite of being “Safe”…
The other thing often overlooked is retro-reflective stuff, anything Red/White/Amber stuck on the bike, body or lid that can bounce headlights back and highlight your presence to a driver is a bonus, there’s no batteries to run out so it always works (*assuming their lights do). adhesive backed reflective tapes can be bought by the meter on fleabay/amazon for relatively little…