feat(session): allow replace instead of update

[remonke]

#773

[codecov]

Codecov Report

Attention: Patch coverage is 81.81818% with 6 lines in your changes missing coverage. Please review.

Project coverage is 79.78%. Comparing base (a58d7c9) to head (4b630ea).
Report is 190 commits behind head on main.

Files with missing lines	Patch %	Lines
src/utils/session.ts	81.81%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #774      +/-   ##
==========================================
+ Coverage   77.83%   79.78%   +1.95%     
==========================================
  Files          47       53       +6     
  Lines        4286     5324    +1038     
  Branches      611      676      +65     
==========================================
+ Hits         3336     4248     +912     
- Misses        933     1058     +125     
- Partials       17       18       +1     

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[pi0]

Thanks for the PR. I think instead of introducing a new replaceSession method, we can introduce a new 3rd arg replace: true to allow replacing it.