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Restructures the Lifecycle Object around the operation-scoped deprecation/sunset model from discussion #5's April 2026+ comments (the root-level, document-wide draft from earlier in the thread is superseded) and places it under `features` on the Operation Object, consistent with the Standardized API Feature (SAF) concept being defined in OAI/OpenAPI-Specification#5310 and #5350. Fills in the Introduction, Relationship to the OpenAPI Specification, Definitions (Lifecycle Object, Sunset Object), a new informative Header Mapping section (field -> Deprecation/Sunset/Link header mapping per RFC 9745, RFC 8594, RFC 8288), Appendix A revision history, and a new informative Appendix B on AI agent/MCP tooling usage. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YAmP3nFaRwCARS7JygrV7r
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Opened against the wrong base — this should target my fork (miqui/sig-lifecycle), not upstream. Reopening as miqui#2. |
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Summary
deprecation/sunsetmodel that discussion proposal:OpenAPI 3.3 Proposal: API-Level Deprecation & Sunset Support #5 converged on from April 2026 onward, superseding the earlier root-level, document-wide draft explored earlier in that thread.featureson the Operation Object, consistent with the Standardized API Feature (SAF) concept being worked out in Standardized API Features (SAFs) OpenAPI-Specification#5310 and #5350 (features field as the SAF namespace, per-SAF versioning).Deprecation/Sunset/Linkheader, per RFC 9745, RFC 8594, RFC 8288) and an Appendix B on AI agent/MCP tooling usage, both drawn from the discussion's worked examples.features.lifecycle); that PR has been closed in favor of this one.Test plan
yarn validate-markdown(markdownlint + hyperlink check) passesyarn build-srcbuildslifecycle.mdto HTML with no new errors (one pre-existing, unrelated warning about a missing conformance section, confirmed viagit stashto predate this change)🤖 Generated with Claude Code