Support new version of AP242 STEP schema by starseeker · Pull Request #470 · stepcode/stepcode

* Initial plan

* Add baseline instrumentation test for PE056 in AP242 schema

Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

* Implement deep aggregate unwrapping for QUERY resolution (PE056 fix)

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Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

…#13)

* Add TREAT keyword and grammar infrastructure
* Complete TREAT infrastructure and test schema (parser generation pending)

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Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

…pressions (#14)

Implement flow-sensitive narrowing - ap242 schema can now be read

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Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

…son (#15)

* Initial plan

* Add documentation and clarify TYPEis_aggregate as shallow check

Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

* Add test for aggregate unwrapping with typedef chains

Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

* Add TREAT-based corrected AP242 schema and comparison documentation

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* Add AP242 schema README and update documentation with comparison references

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Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>

…ches (#16)

Add AP242 styled_item functional test infrastructure
Test both vanilla AP242 schema (needs flow-sensitive narrowing)
and modded schema that is more strictly compliant.

Both schema tests use same STEP file

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Co-authored-by: starseeker <238416+starseeker@users.noreply.github.com>