fix(server): restore v1 transport lifecycle parity: single-use stateless transports, fail-fast on double connect#2421

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felixweinberger wants to merge 9 commits into

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fweinberger/stateless-reuse-guard

Commits on Jul 9, 2026

fix(server): restore v1 transport lifecycle parity — single-use stateless transports, fail-fast on double connect
felixweinberger
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address review: shared connect guard, unwind callback restore, Node adapter single-use propagation, client changeset entry
felixweinberger
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review: type the lifecycle guard errors (SdkErrorCode.AlreadyConnected, new SdkErrorCode.StatelessTransportReuse) instead of raw Error
felixweinberger
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review: reject stateless reuse before delegating to getRequestListener so the caller keeps control of the response
felixweinberger
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review: apply the handler abort gate to ctx.mcpReq.elicitInput and requestSampling
felixweinberger
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review: adopt the transport-carried protocol version when resuming a session
felixweinberger
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review: run close() teardown without relying on the transport onclose round-trip
felixweinberger
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review: version the node package, complete the error-code table, tighten comments
felixweinberger
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test: pin ctx sender gating for requests cancelled on a live connection
felixweinberger
committed