fix: keep agent bot takeover guard human-only

app/controllers/api/v1/accounts/conversations/messages_controller.rb

@@ -74,7 +74,7 @@ class Api::V1::Accounts::Conversations::MessagesController < Api::V1::Accounts::
   end
 
   def ensure_agent_bot_takeover
-    return unless Current.user && @conversation.assignee_agent_bot_id.present?
+    return unless Current.user.is_a?(User) && @conversation.assignee_agent_bot_id.present?
     return if private_message? || incoming_message?
 
     render json: { error: 'Conversation is assigned to an Agent Bot. Take over the conversation before replying.' }, status: :unprocessable_entity

app/javascript/dashboard/components/widgets/conversation/ReplyBoxBanner.vue

@@ -42,9 +42,8 @@ const assignedAgent = computed({
   },
 });
 
-const isUserTyping = computed(
-  () => props.message !== '' && !props.isOnPrivateNote
-);
+const hasMessage = computed(() => props.message !== '');
+const isUserTyping = computed(() => hasMessage.value && !props.isOnPrivateNote);
 const isUnassigned = computed(() => !assignedAgent.value);
 const isAssignedToOtherAgent = computed(
   () => assignedAgent.value?.id !== currentUser.value?.id
@@ -58,7 +57,7 @@ const showSelfAssignBanner = computed(() => {
 
 const showBotHandoffBanner = computed(() => {
   return (
-    isUserTyping.value && currentChat.value?.meta?.assignee_type === 'AgentBot'
+    hasMessage.value && currentChat.value?.meta?.assignee_type === 'AgentBot'
   );
 });