fix(anthropic): capture nested usage metrics and metadata#189
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Abhijeet Prasad (AbhiPrasad) merged 2 commits intoApr 2, 2026
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Normalize Anthropic usage with explicit extraction for nested cache creation and server tool fields, and attach allowlisted usage metadata to Anthropic and Claude Agent SDK spans. This preserves new usage signals while keeping compatibility across older Anthropic SDK versions whose usage payloads differ slightly in shape. Extend the existing VCR coverage and shared Anthropic usage tests so the fix is validated across Anthropic and Claude Agent SDK integrations. Fixes #164
Abhijeet Prasad (AbhiPrasad)
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Andrew Kent (realark)
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Apr 2, 2026
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Normalize Anthropic usage with explicit extraction for nested cache creation and server tool fields, and attach allowlisted usage metadata to Anthropic and Claude Agent SDK spans. This preserves new usage signals while keeping compatibility across older Anthropic SDK versions whose usage payloads differ slightly in shape.
Extend the existing VCR coverage and shared Anthropic usage tests so the fix is validated across Anthropic and Claude Agent SDK integrations.
Fixes #164