feat: support kicad footprinter urls

[seveibar]

Summary

• prefer explicit model URLs over footprinter strings
• load KiCad .wrl models when footprinter string begins with kicad:
• remove redundant getModelUrl test file

Testing

• BUN_UPDATE_SNAPSHOTS=1 bun test tests/convert-3d-view-to-svg-top-view.test.ts tests/convert-3d-view-to-svg-with-multiple-elements.test.ts
• bun test tests/remove-existing-canvases.test.ts

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https://chatgpt.com/codex/tasks/task_b_68bfbaa4e150832e8f944f342f9aaae7

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Project	Deployment	Preview	Comments	Updated (UTC)
3d-viewer	Ready	Preview	Comment	Sep 9, 2025 5:44am

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

[P1] Keep GLTF model priority over footprinter URLs

By resolving getModelUrl(component) ?? component.model_gltf_url, a component that provides both a model_gltf_url and a kicad: footprinter will now fetch the synthesized .wrl first and never reach the GLTF. Prior behaviour (and the summary that says explicit model URLs should be preferred over footprinter strings) rendered the provided GLTF, which is typically the higher fidelity asset. This reversal will cause components that ship both assets to render the fallback instead of the intended GLTF model. The same precedence is used in AnyCadComponent, so the regression affects both render paths. Consider checking model_gltf_url before translating the footprinter string or moving GLTF support into getModelUrl ahead of the footprinter fallback.

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