fix: systeme metrics chart

server/api/discord/messages.get.ts

@@ -20,7 +20,11 @@ export default defineEventHandler(async (event) => {
       }
     )
 
-    return messages
+    return (messages as any[]).map((m) => ({
+      id: m.id,
+      content: m.content,
+      author: { username: m.author?.username ?? "Inconnu" }
+    }))
   } catch (error) {
     console.error("Erreur Discord messages:", error)