⚡ (typebotLink) Better typebot link with merge option

Closes #675

packages/schemas/features/chat/shared.ts

@@ -0,0 +1,17 @@
+import { z } from 'zod'
+import { publicTypebotSchema } from '../publicTypebot'
+
+export const typebotInSessionStateSchema = publicTypebotSchema._def.schema.pick(
+  {
+    id: true,
+    groups: true,
+    edges: true,
+    variables: true,
+  }
+)
+export type TypebotInSession = z.infer<typeof typebotInSessionStateSchema>
+
+export const dynamicThemeSchema = z.object({
+  hostAvatarUrl: z.string().optional(),
+  guestAvatarUrl: z.string().optional(),
+})