⚡️ Reset remembered state if the typebot is updated (#1675)

Wipe stored chat state if a typebot is updated.

Resolves #1508 
Resolves #1427  



https://github.com/user-attachments/assets/7668d6a7-2916-4158-b715-1cccaeaf6ddf

---------

Co-authored-by: Baptiste Arnaud <baptiste.arnaud95@gmail.com>

packages/schemas/features/chat/schema.ts

@@ -170,6 +170,7 @@ const startTypebotPick = {
   variables: true,
   settings: true,
   theme: true,
+  updatedAt: true,
 } as const
 export const startTypebotSchema = z.preprocess(
   preprocessTypebot,
@@ -381,6 +382,7 @@ export const startChatResponseSchema = z
       id: z.string(),
       theme: themeSchema,
       settings: settingsSchema,
+      publishedAt: z.coerce.date().optional(),
     }),
   })
   .merge(chatResponseBaseSchema)