Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: AchoArnold

api/pkg/validators/bulk_message_handler_validator.go

@@ -226,7 +226,14 @@ func (v *BulkMessageHandlerValidator) validateMessages(ctx context.Context, mess
 		if message.AttachmentURLs != "" {
 			urls := strings.Split(message.AttachmentURLs, ",")
 
-			if len(urls) > 10 {
+			validAttachmentCount := 0
+			for _, u := range urls {
+				if strings.TrimSpace(u) != "" {
+					validAttachmentCount++
+				}
+			}
+
+			if validAttachmentCount > 10 {
 				result.Add("document", fmt.Sprintf("Row [%d]: You cannot attach more than 10 files per message.", index+2))
 			}
 

web/pages/threads/_id/index.vue

@@ -174,9 +174,9 @@
                   </v-card-text>
                 </v-card>
                 <v-card
-                 v-if="message.attachments"
-                 shaped
-                 >
+                  v-if="message.attachments?.length"
+                  shaped
+                  >
                  <v-card-title>Message Attachments</v-card-title>
                   <v-card-text>
                     <v-row>