decision-engine

Wire a self-hosted Juspay Decision Engine into a merchant's own payment orchestrator so PSP/gateway selection is delegated to Decision Engine. Use this skill whenever the user is working in their orchestration / payment-routing / checkout backend and wants to call Decision Engine's `decide-gateway` (to pick the best PSP before authorizing) and `update-gateway-score` (to feed the auth/charge outcome back), or mentions "Decision Engine", "decide gateway", "gateway score", "PSP routing", "dynamic routing", "success-rate routing", "which gateway should I use", or hooking a Vault/tokenized-card checkout up to smart routing. Trigger this even when the user only describes the goal ("route this payment to the best acquirer", "add smart routing before we charge the PSP") without naming the APIs. This skill covers discovering the authorize/charge path in the orchestrator, inserting the two calls in the right place, mapping the tokenized-card + BIN metadata into the request, failing open safely, and certifying the integ