Integration tests and benchmark

[timfdev]

closes #1145 , closes #1146

[codspeed-hq]

CodSpeed Performance Report

Merging #1238 will not alter performance

_{Comparing feat/integration-tests-and-benchmarking (09bbf2c) with main (541ba43)}

Summary

✅ 13 untouched

[sentry]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 80.22%. Comparing base (541ba43) to head (09bbf2c).

Files with missing lines	Patch %	Lines
orchestrator/cli/search/resize_embedding.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1238      +/-   ##
==========================================
+ Coverage   79.29%   80.22%   +0.92%     
==========================================
  Files         273      273              
  Lines       13347    13348       +1     
  Branches     1312     1312              
==========================================
+ Hits        10584    10708     +124     
+ Misses       2482     2343     -139     
- Partials      281      297      +16     

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[acidjunk]

Approved with some small comments about pytest style