Will Binns-Smith b3774eaefb Trace upload: include experimental flag states (#89845) ...

This includes the set of experimental flag states in events sent to the
trace upload receiver when `--experimental-trace-upload` is set. It only
includes a subset of experimental flags (so things like the trace upload
flag itself isn't meaninglessly sent).

Since reporting is often limited to the scope of a single span, the flag
state attributes are denormalized and copied onto every descendent span.
Limiting the set of flags prevents this from being unnecessarily large.

Test Plan: Added `test/development` test and built an app and verified
these tags are sent with `NEXT_TRACE_UPLOAD_DEBUG`

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Co-authored-by: vercel[bot] <35613825+vercel[bot]@users.noreply.github.com>
Co-authored-by: Luke Sandberg <lukesandberg@users.noreply.github.com>

2026-02-12 12:47:05 -08:00

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