Add TagContributor / TagExtractor span-tag APIs (phase 3) - #11817

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dougqh/tag-extractor-api

Commits on Jun 30, 2026

Introduce TagContributor + TagExtractor span-tag APIs

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Add TagProjectionBenchmark: decorator vs extractor/contributor dispatch

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Commits on Jul 1, 2026

Add span-first AgentSpan.setTags(source, extractor)

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claude
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Commits on Jul 8, 2026

Guard AgentSpan.setTags against a null source

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