Small changes for mindtouch

[benoit74]

Very simplified version of #211 since for now decided not to include an executor but rely on joblib (or another parallel processing lib) for now.

Changes:

• fix few type hints to be more precise
• add standard log format for displaying threads info

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (7b41b04) to head (f5f0412).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #213   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           38        38           
  Lines         2223      2224    +1     
  Branches       426       426           
=========================================
+ Hits          2223      2224    +1     

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