Engine releases, catalogue updates, web changes — in one feed. We publish every material change so a design's trust grade always traces back to a specific engine version.
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Hard-fail safety gates extracted to a shared callable (Pcu/Pcv ratio, T_hotspot, fsw extrapolation); axisymmetric DC + AC field solvers, 2D thermal field, FNO surrogate stub, system-capability helper. 1564 regression tests pass.
Production ONNX shipped at mAP=0.9625. Engine resolver auto-prefers the production drop over the scaffold; zero engine code change required to flip.
10 deterministic plot generators + 6 topology templates + 4-tuple metadata stamp (template/plot/engine/kb). Bit-for-bit reproducible — no AI in the calc-sheet rendering path.
An ML ranker pre-narrows the core pool (400k tuples, test_rmse 0.685), a drift detector surfaces in the design result, topology rationale and trust narrative auto-attach.
The in-browser TypeScript reimplementation has been removed. The calculator runs the canonical Python design engine directly in your tab — single source of truth, cannot drift by construction.
See engine output previews in the gallery — every design tagged with engine version.
See output previewTry desktop app