♻️ Introduce typebot v6 with events (#1013)

Closes #885

packages/schemas/features/items/schema.ts

@@ -0,0 +1,30 @@
+import { z } from 'zod'
+import {
+  buttonItemSchemas,
+  conditionItemSchemas,
+  pictureChoiceItemSchemas,
+  aItemSchemas,
+  bItemSchemas,
+} from '../blocks'
+
+const itemSchemas = {
+  v5: z.union([
+    buttonItemSchemas.v5,
+    conditionItemSchemas.v5,
+    pictureChoiceItemSchemas.v5,
+    aItemSchemas.v5,
+    bItemSchemas.v5,
+  ]),
+  v6: z.union([
+    buttonItemSchemas.v6,
+    conditionItemSchemas.v6,
+    pictureChoiceItemSchemas.v6,
+    aItemSchemas.v6,
+    bItemSchemas.v6,
+  ]),
+} as const
+
+const itemSchema = z.union([itemSchemas.v5, itemSchemas.v6])
+export type Item = z.infer<typeof itemSchema>
+export type ItemV5 = z.infer<typeof itemSchemas.v5>
+export type ItemV6 = z.infer<typeof itemSchemas.v6>