fix: properly export all public API

[susnux]

Some API was missing the export and some API was located in the wrong directories. This is a small cleanup and adding missing exports.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.14%. Comparing base (8b2be4f) to head (303bd56).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1485   +/-   ##
=======================================
  Coverage   86.14%   86.14%           
=======================================
  Files          30       30           
  Lines         671      671           
  Branches      195      195           
=======================================
  Hits          578      578           
  Misses         81       81           
  Partials       12       12           

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