Add slf4j marker to span logs

[sokomishalov]

Summary by CodeRabbit

• Enhancements
  • Span logs now include the associated logging marker name when one is provided, improving log traceability.

[lucacome]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 6b1ff8ac-1c10-413d-af1e-e9fd248dcb45

📥 Commits

Reviewing files that changed from the base of the PR and between 924f727 and 897d3ae.

📒 Files selected for processing (1)

• instrument-starters/opentracing-spring-cloud-core/src/main/java/io/opentracing/contrib/spring/cloud/log/SpanLogsAppender.java

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Walkthrough

Changes

Span log marker enrichment

Layer / File(s)	Summary
Add marker names to span logs instrument-starters/opentracing-spring-cloud-core/src/main/java/io/opentracing/contrib/spring/cloud/log/SpanLogsAppender.java	SpanLogsAppender.append adds the logging marker name to the span log map under marker when the event has a non-null marker.

Suggested reviewers: lucacome

Merge Risk: ⚪ Minimal · up to 897d3

This is a small, localized change to span logging behavior, and no actionable merge-blocking risk remains beyond normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding the SLF4J marker to span logs.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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