Garmin just introduced a new front light / camera, the Varia Vue.
Garmin introduces Varia Vue, its first cycling headlight with a built-in 4K camera - Garmin Newsroom
It's an interesting concept. Light can be controlled via your Garmin computer, aimed beam, etc. Supposedly 7 hr battery life. You can interpose Varia RTC715 footage so you get rear/front views at the same time.
Price will set you back on your saddle a bit, though.