It sounds to me like this is a set of circumstances where the developer had most of the leverage, you failed to recognize it, and got burned. Lots of businesspeople manage low-equity (or no-equity) employees. Their business isn't jeopardized when one of them threatens to quit. Some of them are savvy enough to know how to keep projects small and focused and checkpointable, so they're never more than a milestone into t…
This is true to a degree. We agreed to the initial arrangement as a fair deal, but I didn't appreciate the way she swtiched terms on me, and then bailed when the going got tough. (ie funding ran out)