Add explicit asset timeframe partitions

[datejada]

This PR unifies the default value of the partitions for the representatives and the timeframe. So, if no data is defined in the partition files, the default partition is uniform of value 1.

Related issues

Closes #1009

Checklist

• I am following the contributing guidelines

• Tests are passing

• Lint workflow is passing

• Docs were updated and workflow is passing

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.22%. Comparing base (8ee7150) to head (17c4e3b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1011   +/-   ##
=======================================
  Coverage   95.22%   95.22%           
=======================================
  Files          29       29           
  Lines        1151     1152    +1     
=======================================
+ Hits         1096     1097    +1     
  Misses         55       55           

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[datejada]

closing this one in favor of #1012 to run the benchmarks