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fix: add KiCad parity test for SOIC-8 with correct IPC-7351B dimensions#551

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victorjzq wants to merge 1 commit intotscircuit:mainfrom
victorjzq:fix/soic8-kicad-parity
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fix: add KiCad parity test for SOIC-8 with correct IPC-7351B dimensions#551
victorjzq wants to merge 1 commit intotscircuit:mainfrom
victorjzq:fix/soic8-kicad-parity

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@victorjzq
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Summary

  • Adds a KiCad parity test for SOIC-8 (3.9x4.9mm, P1.27mm) comparing footprinter output against the KiCad reference footprint
  • Documents the correct footprint parameters: soic8_w6.9mm_pl1.95mm_pw0.6mm which matches KiCad pad positions (x=±2.475mm) and pad dimensions (1.95×0.6mm) exactly
  • The avgRelDiff check (< 5%) confirms full alignment with KiCad IPC-7351B standard
  • SVG snapshots show side-by-side comparison and boolean difference overlay

Test plan

  • Run bun test tests/kicad-parity/soic8_kicad_parity.test.ts — passes with exact pad position match
  • SVG snapshots generated showing overlay comparison and boolean difference

Fixes #274

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@seveibar seveibar left a comment

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Check your PRs, obviously you do not have parity

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soic8 footprint is wrong

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