feat: analytic FEM→CAD export across step/ifc/xml with native-first geometry and produced-file parity#245

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fix/sat-degenerate-first-loop

Jul 20, 2026

Commits on Jul 18, 2026

fix: read the outer boundary when a SAT face's first loop is a degenerate hole

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test: equivalence guard for the B-spline plate-edge sampler

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perf: vectorise the B-spline plate-edge sampler (de Boor across all points)

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feat: stream FEM parity baseline from the mesh (bounded memory, no concept peak)

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feat: preserve assembly hierarchy in the streaming STEP writer

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feat: emit CSG primitive solids as lossless analytic B-rep in the stream writer

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chore: scrub client model names and private-repo references from comments

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perf: vectorize the merge_strategy=None FEM plate stream (batch, not per-element)

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perf: reuse the STEP export stream as the FEM parity baseline count

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fix: stop get_all_parts_in_assembly duplicating a non-root part

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feat: emit analytic curved_shell faces in FEM to Genie-XML export

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feat: default FEM to Genie-XML export to the analytic strategy

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Merge remote-tracking branch 'origin/main' into fix/sat-degenerate-first-loop
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style: black-format the new analytic gxml writers

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test: fix analytic-cylinder roundtrip threshold to the single-tube count

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fix: count faces + roots the NGEOM stream serializer silently dropped

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feat: geometry-invariant cross-format parity over produced files

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refactor: fetch produced blobs for FEM parity instead of re-deriving

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fix: convert STEP plane-angle units to radians in the streaming reader

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test: STEP plane-angle unit conversion in the streaming reader

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style: black-format the plane-angle-units stream reader test

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style: sort imports in worker.py after the parity blob-fetch change

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test: update parity isolation test for the produced-files _parity_child

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fix: exclude standalone re-conversions from audit cell history

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feat: tap-to-view audit quality-flag details on mobile

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fix: tolerate whitespace in STEP LENGTH_UNIT pread scan

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fix: guard material-less scenes in the GLB tree post-processor

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fix: skip empty concept formats in FEM parity instead of flagging them

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test: solid-only FEM parity skips empty concept formats

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fix: reference the parity area floor off the median, not the max concept area

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fix: isolate CAD parity measurement so a native crash skips one format

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Commits on Jul 19, 2026

Commits on Jul 20, 2026