test(e2e): Add node-express-streaming E2E test app#20684
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Clone of node-express with span streaming enabled (traceLifecycle: 'stream' + spanStreamingIntegration()). Tests use waitForStreamedSpan/waitForStreamedSpans helpers instead of waitForTransaction. Covers HTTP server spans, error handling, outgoing fetch, request header attributes, tRPC instrumentation, and MCP via StreamableHTTP transport. SSE MCP test is skipped — MCP handler spans are not emitted as streamed spans with SSE transport (only the POST /messages HTTP span arrives). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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size-limit report 📦
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CI builds fresh tarballs where the type is correct, so the directive is unused. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Streaming-only clone of
node-expressE2E app withtraceLifecycle: 'stream'+spanStreamingIntegration(), usingwaitForStreamedSpan/waitForStreamedSpanshelpers.Closes #20669