[pierremtb]

Adds the experimental planarSurface KCL function with artifact tracking.

Closes #9083.

KittyCAD/engine#4877 remains to be solved.

P&C will be done in the stacked PR at #13728.

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Project	Deployment	Actions	Updated
modeling-app	Ready	Preview	Oct 20, 2026 1:30pm UTC

[codspeed]

Merging this PR will not alter performance

✅ 157 untouched benchmarks
⏩ 131 skipped benchmarks¹

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_{Comparing pierremtb/issue12762-planar-surfaces-in-zds-kcl (2f05852) with main (d3da241)²}

Footnotes

1. 131 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

2. No successful run was found on main (252827e) during the generation of this report, so d3da241 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩