Your question is Simplify Expert Design Interface. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're working on a complex professional design tool used by both new and expert users. The interface exposes dense technical data and many controls, and the team wants to make it easier to use without weakening the workflows that advanced users depend on.
How do you approach simplifying a highly technical, data-heavy interface without removing the power that expert users rely on?