feat: FIT-615: FSM Entity History endpoint

[mcanu]

This PR was automatically generated via Follow Merge. Workflow Run
Please ensure that all linked upstream Pull Requests are merged before proceeding with this one.

• feat: FIT-615: FSM Entity History endpoint label-studio-sdk#672

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[bmartel]

@mcanu there are the same failing checks in each test suite https://github.com/HumanSignal/label-studio/actions/runs/19309538650/job/55225870659?pr=8803#step:9:342

Not really sure what the point of those tests are, but apparently we test for it.

[mcanu]

@mcanu there are the same failing checks in each test suite https://github.com/HumanSignal/label-studio/actions/runs/19309538650/job/55225870659?pr=8803#step:9:342

Not really sure what the point of those tests are, but apparently we test for it.

Its the API docs I'm missing, working on it

[codecov]

Codecov Report

❌ Patch coverage is 97.32441% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.89%. Comparing base (0a7db05) to head (79f575b).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
label_studio/fsm/api.py	88.33%	7 Missing ⚠️
label_studio/tasks/models.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8803       +/-   ##
============================================
+ Coverage    67.71%   80.89%   +13.18%     
============================================
  Files          806      258      -548     
  Lines        62093    23395    -38698     
  Branches     10328        0    -10328     
============================================
- Hits         42044    18926    -23118     
+ Misses       20046     4469    -15577     
+ Partials         3        0        -3     

Flag	Coverage Δ
lsf-e2e	?
lsf-integration	?
lsf-unit	?
pytests	80.89% <97.32%> (+0.22%)	⬆️

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