Cross join with process table to search in last process step state fo…

[timfdev]

…r process searches

Closes #1059 , closes #1144

[codspeed-hq]

CodSpeed Performance Report

Merging #1209 will not alter performance

_{Comparing feat/process-step-search (4db3e18) with main (8fc38a8)}

Summary

✅ 13 untouched

[sentry]

Codecov Report

❌ Patch coverage is 43.88489% with 78 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.31%. Comparing base (39b1a50) to head (59e7f45).

Files with missing lines	Patch %	Lines
...rchestrator/search/retrieval/retrievers/process.py	31.37%	35 Missing ⚠️
orchestrator/search/indexing/indexer.py	14.28%	18 Missing ⚠️
orchestrator/search/indexing/registry.py	33.33%	6 Missing ⚠️
orchestrator/search/indexing/traverse.py	60.00%	5 Missing and 1 partial ⚠️
orchestrator/search/retrieval/retrievers/base.py	14.28%	6 Missing ⚠️
orchestrator/search/indexing/tasks.py	42.85%	4 Missing ⚠️
orchestrator/search/query/results.py	89.28%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1209      +/-   ##
==========================================
- Coverage   79.63%   79.31%   -0.33%     
==========================================
  Files         272      273       +1     
  Lines       13221    13346     +125     
  Branches     1295     1311      +16     
==========================================
+ Hits        10529    10585      +56     
- Misses       2412     2480      +68     
- Partials      280      281       +1     

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