In a zero-click AI search environment, how should teams defensibly measure the impact of FAQ-driven AEO improvements? Assume the goal is increased visibility in LLM-based answer engines (e.g., AI Overviews, ChatGPT, Perplexity), not just traditional rankings or traffic. What specific signals, benchmarks, or methodologies do experienced teams use to assess citation likelihood, answer inclusion, or “answer share” beyond standard SEO metrics?