Businesses on the road to reopening are traversing a complex path with rules about distancing, capacity limits, and masks. Now imagine having to deal with two separate rulebooks — one for restaurants and another for performance spaces. That’s what the Candlelight Pavilion dinner theater in Claremont is navigating. Over the nearly 15 months it was closed, the family that runs the Candlelight wondered how it would survive, but it faced the virus head-on, and jumped through a lot of hoops to bring guests back inside.