update(docs): fix some typings, optional and values

[staghouse]

Close #608

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (96fd632) 100.00% compared to head (6fb00e6) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #622   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           69        69           
  Branches        27        27           
=========================================
  Hits            69        69           

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