Your question is Challenging System Design in Automation. 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).
Describe a challenging system design problem you solved while automating a complex workflow. Explain how you clarified requirements, designed the data and ML pipeline, selected models, and integrated online and batch components. Cover scale assumptions, latency and reliability targets, evaluation, monitoring, feature drift, training-serving skew, and fallback behavior.