Initial commit: Add logistics and order_detail message types

- Add Logistics component with progress tracking
- Add OrderDetail component for order information
- Support data-driven steps and actions
- Add blue color scale to widget SCSS
- Fix node overflow and progress bar rendering issues
- Add English translations for dashboard components

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

spec/mailers/agent_notifications/conversation_notifications_mailer_spec.rb

@@ -0,0 +1,108 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe AgentNotifications::ConversationNotificationsMailer do
+  let(:class_instance) { described_class.new }
+  let!(:account) { create(:account) }
+  let(:agent) { create(:user, email: 'agent1@example.com', account: account) }
+  let(:conversation) { create(:conversation, assignee: agent, account: account) }
+
+  before do
+    allow(described_class).to receive(:new).and_return(class_instance)
+    allow(class_instance).to receive(:smtp_config_set_or_development?).and_return(true)
+  end
+
+  describe 'conversation_creation' do
+    let(:mail) { described_class.with(account: account).conversation_creation(conversation, agent, nil).deliver_now }
+
+    it 'renders the subject' do
+      expect(mail.subject).to eq("#{agent.available_name}, A new conversation [ID - #{conversation
+        .display_id}] has been created in #{conversation.inbox&.sanitized_name}.")
+    end
+
+    it 'renders the receiver email' do
+      expect(mail.to).to eq([agent.email])
+    end
+  end
+
+  describe 'conversation_assignment' do
+    let(:mail) { described_class.with(account: account).conversation_assignment(conversation, agent, nil).deliver_now }
+
+    it 'renders the subject' do
+      expect(mail.subject).to eq("#{agent.available_name}, A new conversation [ID - #{conversation.display_id}] has been assigned to you.")
+    end
+
+    it 'renders the receiver email' do
+      expect(mail.to).to eq([agent.email])
+    end
+  end
+
+  describe 'conversation_mention' do
+    let(:contact) { create(:contact, name: nil, account: account) }
+    let(:another_agent) { create(:user, email: 'agent2@example.com', account: account) }
+    let(:message) { create(:message, conversation: conversation, account: account, sender: another_agent) }
+    let(:mail) { described_class.with(account: account).conversation_mention(conversation, agent, message).deliver_now }
+    let(:contact_inbox) { create(:contact_inbox, account: account, inbox: conversation.inbox) }
+
+    before do
+      create(:message, conversation: conversation, account: account, sender: contact)
+      create(:message, conversation: conversation, account: account, sender: contact)
+      create(:message, conversation: conversation, account: account, sender: contact)
+    end
+
+    it 'renders the subject' do
+      expect(mail.subject).to eq("#{agent.available_name}, You have been mentioned in conversation [ID - #{conversation.display_id}]")
+    end
+
+    it 'renders the receiver email' do
+      expect(mail.to).to eq([agent.email])
+    end
+
+    it 'renders the senders name' do
+      expect(mail.body.encoded).to match("You've been mentioned in a conversation. <b>#{another_agent.display_name}</b> wrote:")
+    end
+
+    it 'renders Customer if contacts name not available in the conversation' do
+      expect(contact.name).to be_nil
+      expect(conversation.recent_messages).not_to be_empty
+      expect(mail.body.encoded).to match('Incoming Message')
+    end
+  end
+
+  describe 'assigned_conversation_new_message' do
+    let(:message) { create(:message, conversation: conversation, account: account) }
+    let(:mail) { described_class.with(account: account).assigned_conversation_new_message(conversation, agent, message).deliver_now }
+
+    it 'renders the subject' do
+      expect(mail.subject).to eq("#{agent.available_name}, New message in your assigned conversation [ID - #{message.conversation.display_id}].")
+    end
+
+    it 'renders the receiver email' do
+      expect(mail.to).to eq([agent.email])
+    end
+
+    it 'will not send email if agent is online' do
+      OnlineStatusTracker.update_presence(conversation.account.id, 'User', agent.id)
+      expect(mail).to be_nil
+    end
+  end
+
+  describe 'participating_conversation_new_message' do
+    let(:message) { create(:message, conversation: conversation, account: account) }
+    let(:mail) { described_class.with(account: account).participating_conversation_new_message(conversation, agent, message).deliver_now }
+
+    it 'renders the subject' do
+      expect(mail.subject).to eq("#{agent.available_name}, New message in your participating conversation [ID - #{message.conversation.display_id}].")
+    end
+
+    it 'renders the receiver email' do
+      expect(mail.to).to eq([agent.email])
+    end
+
+    it 'will not send email if agent is online' do
+      OnlineStatusTracker.update_presence(conversation.account.id, 'User', agent.id)
+      expect(mail).to be_nil
+    end
+  end
+end