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Preserve OpenAPI JSON examples during x402 endpoint probing - #1256
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epistemedeus wants to merge 2 commits into
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epistemedeus wants to merge 2 commits into
epistemedeus wants to merge 2 commits into
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Discovery 1.7.5 returns the JSON schema without the sibling example, so the probe synthesized a placeholder URI and the string "test". Use the document example before those defaults, and do not fetch externalValue.
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This was referenced Oct 21, 2026
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Problem
Addresses #1255. Body-dependent x402 endpoints can be missed when discovery strips a declared OpenAPI media-type example and the probe falls back to synthesized placeholder values.
Change
application/jsonwhen reconstructing the probe body from the original OpenAPI document.probeX402Endpointfallback handoff, not only the example selector.Verification
pnpm exec vitest run src/lib/discovery: 92 tests passed across 9 files on Node22, including caller precedence, unavailable-document synthesis fallback, JSON-only selection and method order.The original worker also reproduced the reported unpaid HTTP controls: the documented AcqPath body returned402, the synthesized
max_total_micro: "test"returned400, and a placeholder resource with a valid amount returned422. No payment was made. This is probe compatibility, not a claim that the registration UI was exercised.A full repository typecheck is not claimed: the worker checkout lacked generated Prisma types and reported pre-existing/setup errors outside the changed files.