feat: add tracing information to log events

[fmyAgi7]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @fmyAgi7, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces OpenTelemetry tracing capabilities into the logging system. By automatically extracting and attaching trace context information (trace ID, span ID, and trace flags) to log events, it significantly improves the observability and correlation of logs with distributed traces, making it easier to debug and understand the flow of requests across services.

Highlights

• OpenTelemetry Integration: Integrated OpenTelemetry tracing to automatically inject trace, span, and trace flags into log events.
• Log Enrichment: Enhanced log events with 'trace_id', 'span_id', and 'trace_flags' when a valid OpenTelemetry span context is available in the Go context.

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Changelog

• log/impl.log.go
  • Added OpenTelemetry trace package import.
  • Defined constants for trace, span, and trace flags keys.
  • Implemented logic to extract and add trace context to log events.

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[gemini-code-assist]

Code Review

This pull request adds OpenTelemetry trace information (trace ID, span ID, and trace flags) to log events. The implementation is correct, but there's an opportunity to improve performance by using more specific zerolog methods for handling trace and span IDs. My review includes a suggestion for this optimization.