I can't name my team's top 3 skill gaps without guessing. Can you?

I manage engineers at a healthcare company. If you're unfamiliar, that's a highly regulated industry, high stakes and the kind of place where a bad deploy isn't just embarrassing but also impact directly operations with patients and medical experts. Like any experienced developer, I track everything about our systems. Uptime, deploy frequency, incident response times, test coverage. I can tell you exactly how healthy our codebase is at any moment. But last month, the company went under another big wave or "restructuring". The VP wanted to know "who on your team is actually growing right now, and who's quietly stalling?" in an effort to rebalance skill profiles and the remaining development teams. I obviously couldn't tell him. I mean, who manages teams and can with certainty answer that question, even better, generate reports and scores for their VP? What I had was feelings about it. I know my people. I have gut instincts. But data? Zero. I had more observability into our Kubernetes cl