browser-integration-tests: port trace semantics suites to span streaming
@msonnb is already working on this.
Since Sep 7, 2026.
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Description
Follow the porting recipe in the parent issue.
Trace lifetime, DSC, sampling and span linking. These assert on envelope headers and trace propagation rather than on instrumentation output, so they are the ones most likely to expose a real product bug rather than a test rewrite.
Suites
- Trace lifetime:
tracing/trace-lifetime/*,tracing/continueTrace/*,tracing/bindScopeToEmitter - Envelope headers and DSC:
tracing/envelope-header,tracing/envelope-header-transaction-name,tracing/dsc-txn-name-update - Sampling:
tracing/tracesSampler,tracing/stringSampleRate,tracing/no-parent-span-client-report - Span shaping:
tracing/linking-addLink,tracing/linking-addLinks,tracing/linking-spanOptions,tracing/ignoreSpans,tracing/maxSpans,tracing/setSpanActive,tracing/microfrontend-span-attribution,tracing/browserTracingIntegrationShim - Public API span surface:
public-api/startSpan,public-api/beforeSendTransaction integrations/httpclient
Twins to fold back
tracing/trace-lifetime/pageload-streamed, navigation-streamed, startNewTrace-streamed, tracing/setSpanActive-streamed, tracing/linking-addLink-streamed, tracing/ignoreSpans-streamed, tracing/http-client-span-streamed, public-api/startSpan/streamed, public-api/beforeSendSpan-streamed.
Keep static trace lifecycle coverage
Pick one suite here to stay on the static pin as the guard, and name it in the PR. The profiling/traceLifecycleMode_* suites already cover the lifecycle switch itself.
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