feat(core)!: Stream beforeSendSpan payloads by default#22643
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Make streamed span JSON the default beforeSendSpan contract and provide withStaticSpan for callbacks that still process transaction span JSON. Deprecate withStreamedSpan for removal in version 12. BREAKING CHANGE: beforeSendSpan receives StreamedSpanJSON by default. Fixes #22349 Co-Authored-By: Cursor <cursoragent@cursor.com> Co-authored-by: Cursor <cursoragent@cursor.com>
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Change
beforeSendSpanto receiveStreamedSpanJSONby default, matching the new trace lifecycle default.Callbacks that intentionally process legacy transaction span JSON can opt in with
withStaticSpan.withStreamedSpanremains available as a deprecated compatibility helper and is scheduled for removal in version 12. A private type marker preserves contextual typing for unwrapped streamed callbacks while keeping wrapped static callbacks type-safe.This is the top PR in the span-streaming-default stack and depends on the default-lifecycle change below it.
Fixes #22349
Made with Cursor