feat(server): otel setup facelift

[gjedlicska]

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Description & motivation

Changes:

To-do before merge:

Screenshots:

Validation of changes:

Checklist:

• [ ] My pull request follows the guidelines in the Contributing guide?
• [ ] My pull request does not duplicate any other open Pull Requests for the same update/change?
• [ ] My commits are related to the pull request and do not amend unrelated code or documentation.
• [ ] My code follows a similar style to existing code.
• [ ] I have added appropriate tests.
• [ ] I have updated or added relevant documentation.

References

[linear[bot]]

CXPLA-147 otel poc

[codecov[bot]]

Codecov Report

:x: Patch coverage is 0% with 1 line in your changes missing coverage. Please review. :white_check_mark: Project coverage is 69.56%. Comparing base (9604f5d) to head (8c27737). :warning: Report is 1560 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/server/observability/otel.ts	0.00%	1 Missing :warning:

:x: Your patch status has failed because the patch coverage (0.00%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage. :x: Your project status has failed because the head coverage (69.56%) is below the target coverage (90.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3824   +/-   ##
=======================================
  Coverage   69.56%   69.56%           
=======================================
  Files         594      594           
  Lines       25675    25675           
  Branches     3784     3784           
=======================================
  Hits        17860    17860           
  Misses       6661     6661           
  Partials     1154     1154           

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