🚑️(drafts) show draft replies in threads

src/backend/core/api/serializers.py

@@ -608,7 +608,13 @@ class MessageRecipientSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = models.MessageRecipient
-        fields = ["contact", "delivery_status", "delivery_message", "retry_at", "delivered_at"]
+        fields = [
+            "contact",
+            "delivery_status",
+            "delivery_message",
+            "retry_at",
+            "delivered_at",
+        ]
 
 
 class MessageSerializer(serializers.ModelSerializer):

src/backend/core/enums.py

@@ -122,5 +122,9 @@ class MessageTemplateTypeChoices(models.IntegerChoices):
 
 
 EML_SUPPORTED_MIME_TYPES = ["message/rfc822", "application/eml", "text/plain"]
-MBOX_SUPPORTED_MIME_TYPES = ["application/octet-stream", "text/plain", "application/mbox"]
+MBOX_SUPPORTED_MIME_TYPES = [
+    "application/octet-stream",
+    "text/plain",
+    "application/mbox",
+]
 ARCHIVE_SUPPORTED_MIME_TYPES = EML_SUPPORTED_MIME_TYPES + MBOX_SUPPORTED_MIME_TYPES

src/frontend/src/features/layouts/components/thread-view/components/thread-message/index.tsx

@@ -28,10 +28,9 @@ export const ThreadMessage = forwardRef<HTMLElement, ThreadMessageProps>(
     ({ message, isLatest, draftMessage, ...props }, ref) => {
         const { t, i18n } = useTranslation()
         const getReplyFormMode = () => {
+            if (draftMessage?.is_draft) return 'reply';
             if (!message.is_draft || message.is_trashed) return null;
-            if (!draftMessage) return 'new';
-            if (draftMessage.is_draft) return 'reply';
-            return null;
+            return 'new';
         }
         const [replyFormMode, setReplyFormMode] = useState<MessageFormMode | null>(getReplyFormMode)
         const showReplyForm = replyFormMode !== null;

src/frontend/src/features/layouts/components/thread-view/index.tsx

@@ -39,7 +39,7 @@ export const ThreadView = () => {
     // Nest draft messages under their parent messages
     const messagesWithDraftChildren = useMemo(() => {
         if (!messages?.results) return [];
-        const rootMessages: MessageWithDraftChild[] = messages.results.filter((m) =>  !m.is_draft || !m.parent_id);
+        const rootMessages: MessageWithDraftChild[] = messages.results.filter((m) => !m.is_draft || !m.parent_id);
         const draftChildren  = messages.results.filter((m) => m.is_draft && m.parent_id);
         draftChildren.forEach((m) => {
             const parentMessage = rootMessages.find((um) => um.id === m.parent_id);