Build a pipeline that turns the Shopify Partner API app-events feed into clean customer lifecycle events (subscribed, upgraded, downgraded, unsubscribed, uninstalled, trial_expired) for MRR and churn analytics. Use when the user wants to ingest Shopify partner/app events, derive subscription lifecycle events, compute MRR deltas (netChange), suppress plan-change "cancel" noise, derive trials, normalize uninstall reasons, or migrate off Mantle's customer-events pipeline into their own codebase.
