feat: update conversation archiving to store structured message data

supabase/functions/create-chat-conversation/index.ts

@@ -353,11 +353,18 @@ app.delete(`${prefix}/conversations/:id/archive`, async (c) => {
       row.openai_conversation_id,
     );
 
+    const conversacion = items.data.filter((it: any) =>
+      it.type === "message" && (it.role === "assistant" || it.role === "user")
+    ).map((it: any) => ({
+      role: it.role,
+      content: it.content.map((c: any) => c.text).join(""),
+    }));
+
     // Guardar y marcar como ARCHIVADA
     const { error: upErr } = await supabase.from("conversaciones_plan")
       .update({
         estado: "ARCHIVADA",
-        conversacion_json: items,
+        conversacion_json: conversacion,
       })
       .eq("id", conversation_plan_id);