Use the ab-test-hypothesis-generator Skill.

Our order count rose but the team disagrees about whether the product page improved. Recalculate the funnel and propose three prioritized experiments around the purchase button, shipping information and size imagery. For each, give the customer problem, control and variant, success metric, smallest useful change, sample size and likely duration at our traffic level. Recommend what we should do first this week.

The attached business materials are:
- inputs/brief.json

Deliver a complete result.md report that the operations team can read, plus any finished files needed for this task. Keep supporting calculations and evidence with the deliverables. Write the report in English; use the requested target language for customer-facing copy. The business datasets are fictional examples unless the brief explicitly names a live public website.