Sounds like dynohub and lights to me!

Easy as pie: This plus the head/tail light of your preference and you don't need no stinkin' batteries to see. I run a Supernova E3 Pro/taillight and supplement with blinkies front and rear for visibility: a PB Blaze 2w up front and Radbot 1000 1W in back on multi-pattern flash. I use rechargeables in the blinkies.

This article and the follow-on with light beam photos is really helpful.

I've heard REALLY good things about this setup, which I'd consider for a shoulderless rural commute.

Other than that, 3M reflective tape on the frame, helmet and fenders, perhaps a vest or hi-vis shirt, you're set (assuming you already have rack, panniers, toolkit, decent tires, rain gear..........