feat: schema builder's create flow

web/src/lib/__tests__/schemaBuilderKeys.spec.ts

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+import { describe, expect, it } from 'vitest'
+import { deriveFieldKey, deriveTypeKey } from '@/lib/schemaBuilderKeys'
+
+describe('type key from the name', () => {
+	it.each([
+		['Events', 'events'],
+		['Press mentions', 'press-mentions'],
+		['Café & Bar', 'cafe-bar'],
+		['  Job   openings!  ', 'job-openings'],
+		['2026 Awards', '2026-awards'],
+		['!!!', ''],
+		['', ''],
+	])('%j gives %j', (name, key) => {
+		expect(deriveTypeKey(name)).toBe(key)
+	})
+
+	it('keeps the first 40 characters of a long name', () => {
+		const name = 'abcdefghij'.repeat(6)
+
+		expect(deriveTypeKey(name)).toBe(name.slice(0, 40))
+	})
+
+	it('drops a hyphen left at the end by the cut', () => {
+		const name = `${'a'.repeat(39)} bbbbbbbbbb`
+
+		expect(deriveTypeKey(name)).toBe('a'.repeat(39))
+	})
+})
+
+describe('field key from the label', () => {
+	it.each([
+		['Title', 'title'],
+		['Starts on', 'starts_on'],
+		['Éléments', 'elements'],
+		['Ends on (date)', 'ends_on_date'],
+		['2nd room', 'nd_room'],
+		['!!!', ''],
+		['', ''],
+	])('%j gives %j', (label, key) => {
+		expect(deriveFieldKey(label, [])).toBe(key)
+	})
+
+	it('adds _2 when the key already exists, then _3', () => {
+		expect(deriveFieldKey('Title', ['title'])).toBe('title_2')
+		expect(deriveFieldKey('Title', ['title', 'title_2'])).toBe('title_3')
+	})
+
+	it('keeps the first 40 characters of a long label', () => {
+		const label = 'abcdefghij'.repeat(6)
+
+		expect(deriveFieldKey(label, [])).toBe(label.slice(0, 40))
+	})
+
+	it('keeps the suffixed key within 40 characters', () => {
+		const long = 'a'.repeat(40)
+
+		const key = deriveFieldKey(long, [long])
+
+		expect(key).toBe(`${'a'.repeat(38)}_2`)
+	})
+})