Remove light mold in the roof structure (new construction)

drago, seriously, a chlorine solution, like the one used thousands of times in swimming pools, does nothing to the wood.

It is about a purely usable attic, as it is obviously outside the thermal envelope? If it is ensured that no more moist air will come up in the future, you can simply leave it as it is. Whether you bleach away the little visible mold now or not only has aesthetic advantages.