Some times a person is just ready to move on. Give ample notice with a firm date, offer to help transition the knowledge to your replacement and then shake hand

Some times a person is just ready to move on. Give ample notice with a firm date, offer to help transition the knowledge to your replacement and then shake hands and leave. It's been my experience that bosses that come up with the next best thing do it because what they originally set out to do is failing. Some will call it pivoting, others will call it getting the code monkeys to write something different while we figure it out. Either way, without a financial stake in the new product, you have no power and since you're the only developer there...