refactor: remove retired data format support

src/lib/builder/loadout.test.ts

@@ -0,0 +1,52 @@
+import { describe, expect, it } from 'vitest';
+import { createDraft, parseLoadoutDraft } from './loadout.js';
+
+const copyDraft = () => structuredClone(createDraft());
+
+describe('parseLoadoutDraft', () => {
+	it('accepts a current draft and returns an independent clone', () => {
+		const draft = createDraft();
+		const parsed = parseLoadoutDraft(draft);
+
+		expect(parsed).toEqual(draft);
+		expect(parsed).not.toBe(draft);
+		parsed!.gear.Holster.level = 1;
+		expect(draft.gear.Holster.level).toBe(50);
+	});
+
+	it('rejects the retired version 1 three-chip shape', () => {
+		const retired = copyDraft() as unknown as Record<string, unknown>;
+		retired.version = 1;
+		retired.chips = (retired.chips as unknown[]).slice(0, 3);
+
+		expect(parseLoadoutDraft(retired)).toBeNull();
+	});
+
+	it('rejects a version 2 draft that does not contain exactly nine chips', () => {
+		const draft = copyDraft();
+		draft.chips.pop();
+
+		expect(parseLoadoutDraft(draft)).toBeNull();
+	});
+
+	it('rejects a specialization missing a required current field', () => {
+		const draft = copyDraft() as unknown as { specialization: Record<string, unknown> };
+		delete draft.specialization.combatProfile;
+
+		expect(parseLoadoutDraft(draft)).toBeNull();
+	});
+
+	it('rejects a specialization that carries retired unassigned chips', () => {
+		const draft = copyDraft() as unknown as { specialization: Record<string, unknown> };
+		draft.specialization.unassignedChips = [];
+
+		expect(parseLoadoutDraft(draft)).toBeNull();
+	});
+
+	it('rejects malformed nested equipment selections', () => {
+		const draft = copyDraft();
+		draft.weapons[0].rolls[1] = { statId: 'weapon-damage', value: Number.NaN };
+
+		expect(parseLoadoutDraft(draft)).toBeNull();
+	});
+});