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Ran 10 Feb 2026 06:26PM UTC

Files 519

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Committed 10 Feb 2026 06:18PM UTC coverage: 61.431% (-0.02%) from 61.45%

Job # 21877090766.1

Build Type

push

github

Committed by

web-flow

Commit Message

Add network/client span attributes and fix span status per OTEL semconv (#3750)

* Add network/client attributes and fix span status per OTEL semconv

Add new additive span attributes:
- network.protocol.version from incoming HTTP request
- client.address and client.port from RemoteAddr
- mcp.session.id from Mcp-Session-Id header
- error.type on 5xx errors

Fix span status to follow OTEL semantic conventions:
- 4xx responses now leave span status Unset (client errors)
- 5xx responses set Error with error.type attribute
- 2xx/3xx remain Ok

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Separate frontend and backend protocol version attributes

Use network.protocol.version for the incoming HTTP request protocol
and mcp.backend.protocol.version for the backend transport protocol,
avoiding a silent overwrite when the two differ (e.g., HTTP/2 client
with SSE/HTTP1.1 backend).

Also add negative test for mcp.session.id when header is absent.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

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42520 of 69216 relevant lines covered (61.43%)

76.84 hits per line

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