Client adapters wrap PSP browser SDKs, so full mount/confirm behavior can
only be exercised against the real SDK in a browser. This suite pins down
everything verifiable without one: the static contract surface and honest
capability reporting (embedded vs redirect vs voucher — never forced into an
"embedded" illusion).
Client adapters wrap PSP browser SDKs, so full mount/confirm behavior can only be exercised against the real SDK in a browser. This suite pins down everything verifiable without one: the static contract surface and honest capability reporting (embedded vs redirect vs voucher — never forced into an "embedded" illusion).