Add LQFN footprint

[seveibar]

Summary

• implement LQFN footprint
• expose lqfn builder and schema
• include lqfn in helper types
• add a simple LQFN56 test and snapshot
• update zod to latest

Testing

• BUN_UPDATE_SNAPSHOTS=1 bun test tests/lqfn.test.ts

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https://chatgpt.com/codex/tasks/task_b_686b1007c33c832e9946acce16b9b1a2

[cursor]

Bug: Direct Mutation Causes Unintended Side Effects

The lqfn function directly mutates its input parameters object by setting parameters.legsoutside = false. This modifies the caller's object, which can cause unexpected side effects if the original object is reused. The function should instead create a copy of the parameters, for example, using object spreading: return quad({ ...parameters, legsoutside: false }).

src/fn/lqfn.ts#L9-L10

footprinter/src/fn/lqfn.ts

Lines 9 to 10 in bd180fa

	): { circuitJson: AnySoupElement[]; parameters: any } => {
	parameters.legsoutside = false

Fix in Cursor • Fix in Web

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