feat!: split cli into server and client

[wangl-cc]

Closes #322

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.22%. Comparing base (3d60e41) to head (c34f0c3).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #350   +/-   ##
=======================================
  Coverage   66.22%   66.22%           
=======================================
  Files          42       42           
  Lines        3624     3624           
=======================================
  Hits         2400     2400           
  Misses       1224     1224           

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