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Builds a session-level GA4 checkout funnel, tests which step worsened against the store's own baseline, localises it by device and channel, and proposes one fix with a way to confirm it.

Audits GA4 ecommerce events against Google's schema (currency with value, transaction_id, items, value = price x quantity) and matches purchases to backend orders, returning a prioritised fix list for developers.

Reconciles backend, GA4 and Google Ads revenue with an order-level join and a line-by-line bridge (VAT and shipping, time zones, consent, gateway loss, test orders, click vs conversion date) for store owners and analysts.

Writes a one-page Monday KPI report for store owners: backend revenue, orders, AOV, conversion, MER and refunds versus last week and last year, with noise tests and at most two decisions.

Lets an agent work an Adyen merchant account safely: find payments, explain refusals, prepare owner-approved refunds, captures and cancels, triage disputes by deadline, and reconcile settlement reports to orders.