fix(agent-bot): include changed_attributes in conversation_updated webhook

Include changed_attributes in the conversation_updated payload so bots
can identify what changed — e.g. check for assignee_agent_bot_id to
distinguish bot assignment from other conversation updates.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/listeners/agent_bot_listener.rb

@@ -15,6 +15,15 @@ class AgentBotListener < BaseListener
     agent_bots_for(inbox, conversation).each { |agent_bot| process_webhook_bot_event(agent_bot, payload) }
   end
 
+  def conversation_updated(event)
+    conversation = extract_conversation_and_account(event)[0]
+    changed_attributes = extract_changed_attributes(event)
+    inbox = conversation.inbox
+    event_name = __method__.to_s
+    payload = conversation.webhook_data.merge(event: event_name, changed_attributes: changed_attributes)
+    agent_bots_for(inbox, conversation).each { |agent_bot| process_webhook_bot_event(agent_bot, payload) }
+  end
+
   def message_created(event)
     message = extract_message_and_account(event)[0]
     inbox = message.inbox

spec/listeners/agent_bot_listener_spec.rb

@@ -57,6 +57,52 @@ describe AgentBotListener do
     end
   end
 
+  describe '#conversation_updated' do
+    let(:event_name) { 'conversation.updated' }
+
+    context 'when agent bot is not configured' do
+      let!(:event) { Events::Base.new(event_name, Time.zone.now, conversation: conversation) }
+
+      it 'does not send webhook' do
+        expect(AgentBots::WebhookJob).not_to receive(:perform_later)
+        listener.conversation_updated(event)
+      end
+    end
+
+    context 'when agent bot is configured on inbox' do
+      let!(:event) { Events::Base.new(event_name, Time.zone.now, conversation: conversation) }
+
+      it 'sends webhook to the inbox agent bot' do
+        create(:agent_bot_inbox, inbox: inbox, agent_bot: agent_bot)
+        expect(AgentBots::WebhookJob).to receive(:perform_later).with(agent_bot.outgoing_url,
+                                                                      conversation.webhook_data.merge(event: 'conversation_updated',
+                                                                                                      changed_attributes: nil)).once
+        listener.conversation_updated(event)
+      end
+    end
+
+    context 'when conversation is assigned to an agent bot' do
+      let!(:event) do
+        Events::Base.new(event_name, Time.zone.now, conversation: conversation,
+                                                    changed_attributes: { 'assignee_agent_bot_id' => [nil, agent_bot.id] })
+      end
+
+      before do
+        conversation.update!(assignee_agent_bot: agent_bot, assignee: nil)
+      end
+
+      it 'sends webhook with changed_attributes to the assigned agent bot' do
+        expected_changed_attributes = [{ 'assignee_agent_bot_id' => { previous_value: nil, current_value: agent_bot.id } }]
+        expect(AgentBots::WebhookJob).to receive(:perform_later).with(agent_bot.outgoing_url,
+                                                                      conversation.webhook_data.merge(
+                                                                        event: 'conversation_updated',
+                                                                        changed_attributes: expected_changed_attributes
+                                                                      )).once
+        listener.conversation_updated(event)
+      end
+    end
+  end
+
   describe '#webwidget_triggered' do
     let(:event_name) { 'webwidget.triggered' }