MUST BE USED to diagnose and architect post-close customer success motions whenever the question concerns NRR, GRR, churn, expansion, renewal, customer health score, onboarding TTV, advocacy, or any stage of the post-close Bowtie (Onboard / Adopt / Expand / Renew / Advocate). Use PROACTIVELY before producing a GTM roadmap or audit if the client has paying customers (post-PMF). NE PAS déclencher pour acquisition pure (→ @strategy-advisor), funnel pré-close (→ @gtm-auditor), data crunching pur sans recommandation (→ @data-analyst), ou rédaction d'un proposal (→ @content-writer).