chore: sync spec-types/draft.ts to modelcontextprotocol@2fb207d#348
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Re-vendors schema/draft/schema.ts from the spec repo at the merge commit of PR #2891 (2fb207da428f43a4981513ec2aef218b7533c5b3), which also includes #2889 and #2890. Type changes picked up: - Add NotificationMetaObject (with io.modelcontextprotocol/subscriptionId) - Add HEADER_MISMATCH (-32001) const and HeaderMismatchError interface - CancelledNotificationParams.requestId is now required - ClientNotification narrowed to CancelledNotification only - ListRootsRequest.params narrowed (drops progressToken) - Remove ElicitationCompleteNotification and elicitationId Also replaces the local -32001 literal in src/scenarios/server/http-standard-headers.ts with the new exported HEADER_MISMATCH constant. Claude-Session: https://claude.ai/code/session_01Gbqx5LodtAghT5fRYFxeja
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felixweinberger
approved these changes
Jun 18, 2026
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Re-vendors
schema/draft/schema.tsfrom the spec repo at the merge commit of modelcontextprotocol#2891 (2fb207da428f43a4981513ec2aef218b7533c5b3), which also includes #2889 and #2890.Type changes picked up
NotificationMetaObject(withio.modelcontextprotocol/subscriptionId)HEADER_MISMATCH(-32001) const andHeaderMismatchErrorinterfaceCancelledNotificationParams.requestIdis now requiredClientNotificationnarrowed toCancelledNotificationonlyListRootsRequest.paramsnarrowed (dropsprogressToken)ElicitationCompleteNotificationandelicitationIdAlso replaces the local
-32001literal insrc/scenarios/server/http-standard-headers.tswith the new exportedHEADER_MISMATCHconstant.Verification
tsc --noEmit✓npm test— 288/288 ✓npm run lint✓This unblocks follow-up conformance PRs for the SEP-2243 header changes and SEP-2575 subscription/cancellation changes.
https://claude.ai/code/session_01Gbqx5LodtAghT5fRYFxeja