⚡ (engine) Improve engine overall robustness

packages/models/features/items/baseSchemas.ts

@@ -0,0 +1,9 @@
+import { z } from 'zod'
+
+export const itemBaseSchema = z.object({
+  id: z.string(),
+  blockId: z.string(),
+  outgoingEdgeId: z.string().optional(),
+})
+
+export type ItemBase = z.infer<typeof itemBaseSchema>

packages/models/features/items/enums.ts

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+export enum ItemType {
+  BUTTON,
+  CONDITION,
+}

packages/models/features/items/index.ts

@@ -0,0 +1,4 @@
+export * from './baseSchemas'
+export * from './enums'
+export * from './schemas'
+export * from './types'

packages/models/features/items/schemas.ts

@@ -0,0 +1,7 @@
+import { z } from 'zod'
+import { buttonItemSchema } from '../blocks/inputs/choice'
+import { conditionItemSchema } from '../blocks/logic/condition'
+
+const itemSchema = buttonItemSchema.or(conditionItemSchema)
+
+export type Item = z.infer<typeof itemSchema>

packages/models/features/items/types.ts

@@ -0,0 +1,5 @@
+export type ItemIndices = {
+  blockIndex: number
+  groupIndex: number
+  itemIndex: number
+}