feat(spec,metadata-core)!: every retired ADR-0087 conversion carries retiredAfter; the artifact door opens its window per entry (#20390) - #20435

feat(spec,metadata-core)!: every retired ADR-0087 conversion carries retiredAfter; the artifact door opens its window per entry (#20390)#20435

objectstack-fleet[bot] merged 16 commits into

mainobjectstack-ai/objectstack:mainfrom

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