Add attachments for messages from Discord on receipt

services/phoebe-discord/src/handler.rs

@@ -69,11 +69,18 @@ impl EventHandler for DiscordHandler {
             .as_ref()
             .map(|m| ChatMessageReference::new(discord_reference(m.channel_id), m.id));
 
+        let attachments = message
+            .attachments
+            .into_iter()
+            .map(|a| a.url)
+            .map(ChatAttachment::URL)
+            .collect::<Vec<_>>();
+
         let chat_message = ChatMessage {
             origin,
             author,
             content,
-            attachments: vec![],
+            attachments,
             replying: replies_to,
         };