The line about the last six sprints all tracing back to one client is the moment to watch for. No discovery work with anyone else is the real cost, more than the custom features. One way to restart it: look for other operators running the same metering or reporting vendor you already integrated with, since that work is what a second customer would value. Disclosure, I'm with StackShortlist by Veristria, which builds one-time lists of companies by technology (3,500+ technologies, $19 per 100): https://stackshortlist.dev. Control room software often isn't visible from outside, so that route works better for the web-facing tools.