✨ Add AB test block

Closes #449

packages/schemas/features/blocks/logic/abTest.ts

@@ -0,0 +1,31 @@
+import { z } from 'zod'
+import { blockBaseSchema } from '../baseSchemas'
+import { LogicBlockType } from './enums'
+import { itemBaseSchema } from '../../items/baseSchemas'
+import { ItemType } from '../../items/enums'
+
+export const aItemSchema = itemBaseSchema.extend({
+  type: z.literal(ItemType.AB_TEST),
+  path: z.literal('a'),
+})
+
+export const bItemSchema = itemBaseSchema.extend({
+  type: z.literal(ItemType.AB_TEST),
+  path: z.literal('b'),
+})
+
+export const abTestBlockSchema = blockBaseSchema.merge(
+  z.object({
+    type: z.enum([LogicBlockType.AB_TEST]),
+    items: z.tuple([aItemSchema, bItemSchema]),
+    options: z.object({
+      aPercent: z.number().min(0).max(100),
+    }),
+  })
+)
+
+export const defaultAbTestOptions = {
+  aPercent: 50,
+}
+
+export type AbTestBlock = z.infer<typeof abTestBlockSchema>