... or just wirewrap to the 24, once its all in place even that amount of connections with an iron would only take a min
I think I will stick to you idea of wire wrapping the 30AWG directly to the 24AWG. 
Now I need to buy some heat shrink tubing to cover these connections. Do you think I should buy the 1/8" (3mm) tubing or buy the 3/32" for a snugger connection? Would there be enough space inside the 3/32" tube for the 24 wrapped with the 30?
Thank you !