Your question is Embedding Quality for Search. 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).
Explain how you would measure the quality of embeddings for semantic search.
Cover both offline and online evaluation. Discuss suitable datasets, retrieval metrics, human assessment, error analysis, and how you would compare embedding models or tune the retrieval system.