A stakeholder said 'do a market test.' Nine days later we had persona-based landing pages, data capture, interview-informed copy, and a go/pivot/kill framework.
When data sources disagree, the instinct is to pick a winner. The better move is to ask what it means if both are true.
A single user preference transformed Claude outputs from plausible to presentation-ready. The highest-ROI configuration change I've made.
How I built a system where Claude Code knows where I left off, what's blocked, and what decisions have been made, across every project.