chore(breaking): refactor typesystem

[miparnisari]

Motivation: #2868 (comment)

Breaking change:

[codecov]

Codecov Report

❌ Patch coverage is 96.36364% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.38%. Comparing base (ea09c1e) to head (e5da312).

Files with missing lines	Patch %	Lines
pkg/schema/reachabilitygraphbuilder.go	84.62%	0 Missing and 2 partials ⚠️

❌ Your project check has failed because the head coverage (74.38%) is below the target coverage (75.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2876      +/-   ##
==========================================
- Coverage   74.40%   74.38%   -0.01%     
==========================================
  Files         484      484              
  Lines       57786    57777       -9     
==========================================
- Hits        42989    42972      -17     
- Misses      11787    11788       +1     
- Partials     3010     3017       +7     

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