Added observability utility for Tracer and Meter usage

[alex268]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.83%. Comparing base (6ab4366) to head (804db6d).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #684      +/-   ##
============================================
- Coverage     71.87%   71.83%   -0.05%     
- Complexity     3464     3472       +8     
============================================
  Files           389      390       +1     
  Lines         16173    16206      +33     
  Branches       1697     1698       +1     
============================================
+ Hits          11624    11641      +17     
- Misses         3898     3910      +12     
- Partials        651      655       +4     

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[robot-vibe-db]

AI Review Summary

Verdict: ❌ 0 critical issues found

Critical issues

No critical issues found.

Other findings

• Major | Medium: Race condition in Observability.reportTracingUsage/reportMetricsUsage — compound volatile read-modify-write can lose updates — core/src/main/java/tech/ydb/core/impl/Observability.java:24
• Minor | Medium: buildInfoTest doesn't call transport.close() unlike other tests in the same class — core/src/test/java/tech/ydb/core/impl/YdbTransportImplTest.java:244
• Minor | Medium: buildInfoTest leaves Observability global state dirty (tracing enabled) with no cleanup in @After — core/src/test/java/tech/ydb/core/impl/YdbTransportImplTest.java:244
• Nit | High: Typo in comment: "calle" should be "calls" — core/src/test/java/tech/ydb/core/impl/YdbTransportImplTest.java:272
• Nit | High: Missing newline at end of file — core/src/test/java/tech/ydb/core/impl/ObservabilityTest.java:45

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This review was generated automatically. Critical issues require attention; other findings are advisory.
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[robot-vibe-db]

Full analysis log

Analysis performed by claude, claude-opus-4-6.