- "id": promptStringSchema("A new id for this message, such as a short random word."),
- "chat": promptStringSchema("The ID of the chat, from whatsapp_find or from a [WhatsApp] message."),
- "text": promptStringSchema("The text of the message."),
+ "id": promptStringSchema("A new id for this message, such as a short random word."),
+ "chat": promptStringSchema("The ID of the chat, from whatsapp_find or from a [WhatsApp] message."),
+ "text": promptStringSchema("The text, or the caption when sending an image. Can be empty with an image."),
+ "image": promptNullableStringSchema("The stored image filename from an [image FILE] line, or null for text only."),