Four months, one author

Scale Shipped

What the repository actually contains, counted rather than estimated.

Measure	Count
Commits on main	807
Engine Python	51,299 lines
Test Python	73,298 lines
Test files	388
Unit tests collected	7,360
Teams	9
devteam specialists	23
devteam review lenses	187 across 21 areas
devteam build lanes	18
Review scopes	19
Design + plan documents	74
Dated history entries	106

More test code than engine code

Test Python73298 lines
Engine Python51299 lines

A ratio of 1.43 to 1. Recorded as a fact and not offered as a virtue — the lesson under The Test Suite is that a large green suite can still hide a completely broken entry point.

Started 2026-04-01. Single author, built in collaboration with Claude through Claude Code — which is also the reason the failure record above is as detailed as it is: nearly every defect in it was found by pointing the system at itself.