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feat(client): accept a cached era verdict on ConnectOptions.prior (#2511)

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Felix Weinberger 2026-07-17 17:25:02 +01:00 • committed by GitHub
commit f60dff0674
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1 changed files with 523 additions and 86 deletions
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4
test/e2e/requirements.ts
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@ -175,10 +175,10 @@ export const REQUIREMENTS: Record<string, Requirement> = {
'typescript:client:connect:prior-zero-roundtrip': {
source: 'sdk',
behavior:
'connect(transport, { prior: DiscoverResult }) against a 2026-07-28 server is zero-round-trip: a fresh client supplied with a previously-obtained DiscoverResult connects without putting any HTTP exchange on the wire, adopts the modern era directly, and callTool round-trips immediately. prior is modern-only — no modern overlap throws SdkError(EraNegotiationFailed) (no legacy fallback).',
"connect(transport, { prior: { kind: 'modern', discover } }) against a 2026-07-28 server is zero-round-trip: a fresh client supplied with a previously-obtained DiscoverResult (wrapped as a PriorDiscovery verdict) connects without putting any HTTP exchange on the wire, adopts the modern era directly, and callTool round-trips immediately. The modern verdict requires a modern overlap — none throws SdkError(EraNegotiationFailed) (no legacy fallback).",
transports: ['entryModern'],
addedInSpecVersion: '2026-07-28',
note: 'Runs on the entryModern arm; the wired (negotiating) client is the bootstrap that obtains the DiscoverResult, then a fresh worker client connects to the same harness-hosted endpoint via wired.url + a fresh StreamableHTTPClientTransport over wired.fetch with { prior }. The zero-round-trip clause is asserted on the arm-recorded httpLog length.'
note: "Runs on the entryModern arm; the wired (negotiating) client is the bootstrap that obtains the DiscoverResult, then a fresh worker client connects to the same harness-hosted endpoint via wired.url + a fresh StreamableHTTPClientTransport over wired.fetch with { prior: { kind: 'modern', discover } }. The zero-round-trip clause is asserted on the arm-recorded httpLog length."
},
'typescript:client:raw-result-type-first': {
source: 'sdk',