Evaluate Auto-Reply Feature Success with Metrics and Experiments

Scenario

A chat product ships an auto-reply suggestion feature (e.g., "Thanks!", "Sounds good"). You need to evaluate and improve it.

Question

Define primary success and guardrail metrics for the auto-reply feature. Design an experiment to measure its impact and list additional diagnostics if metrics are inconclusive.

Hints

Use send-rate, click-through, recall/delete, typing latency; monitor retention, spam/abuse, revenue. Propose A/B or ramped rollout with robust power analysis.