Champion-disengagement detector that warns CSMs of silent renewal decay weeks before ARR risk shows

“Most B2B churn is preventable but caught only at renewal — by then the champion has disengaged, features went unadopted, and the conversation is damage control (https://www.averi.ai/how-to/the-2026-b2b-saas-marketing-playbook-from-seed-to-series-a, https://growthlist.co/list-of-…”