You can say not yet and mean it
I'll look at it properly next week." You've sent some version of that to the project lead's message three times now, and each time the real answer gets harder to find. Today the pull is toward a fast yes just to make the wobble stop, but a rushed answer costs more than a slow one. Work out what this role would give you, then say it in one clear line. Thinking is allowed, just don't hide in it.






