Add caching for client get

[Relm-Arrowny]

Fixes #66

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.63%. Comparing base (fc6b6f2) to head (3560c9f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #79      +/-   ##
==========================================
+ Coverage   98.24%   98.63%   +0.38%     
==========================================
  Files           5        5              
  Lines          57       73      +16     
==========================================
+ Hits           56       72      +16     
  Misses          1        1              

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[olliesilvester]

Thank you! Just a few minor comments, happy to discuss if you disagree/they don't make sense

[olliesilvester]

Thanks, I've made some more suggestions to try and keep the logic more simple

[olliesilvester]

The logic + tests looks great now, thanks. I have some opinionated requests for some of the comments, then I will approve

[olliesilvester]

Thanks! I will wait to resolve that conversation with @DiamondJoseph before merging