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/models/concerns/assignment_handler_shared.rb

@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+shared_examples_for 'assignment_handler' do
+  describe '#update_team' do
+    let(:conversation) { create(:conversation, assignee: create(:user)) }
+    let(:agent) do
+      create(:user, email: 'agent@example.com', account: conversation.account, role: :agent, auto_offline: false)
+    end
+    let(:team) do
+      create(:team, account: conversation.account, allow_auto_assign: false)
+    end
+
+    context 'when agent is current user' do
+      before do
+        Current.user = agent
+        create(:team_member, team: team, user: agent)
+        create(:inbox_member, user: agent, inbox: conversation.inbox)
+        conversation.inbox.reload
+      end
+
+      it 'creates team assigned and unassigned message activity' do
+        expect(conversation.update(team: team)).to be true
+        expect(conversation.update(team: nil)).to be true
+        expect(Conversations::ActivityMessageJob).to(have_been_enqueued.at_least(:once)
+          .with(conversation, { account_id: conversation.account_id, inbox_id: conversation.inbox_id, message_type: :activity,
+                                content: "Assigned to #{team.name} by #{agent.name}"  }))
+        expect(Conversations::ActivityMessageJob).to(have_been_enqueued.at_least(:once)
+          .with(conversation, { account_id: conversation.account_id, inbox_id: conversation.inbox_id, message_type: :activity,
+                                content: "Unassigned from #{team.name} by #{agent.name}" }))
+      end
+
+      it 'changes assignee to nil if they doesnt belong to the team and allow_auto_assign is false' do
+        expect(team.allow_auto_assign).to be false
+
+        conversation.update(team: team)
+
+        expect(conversation.reload.assignee).to be_nil
+      end
+
+      it 'changes assignee to a team member if allow_auto_assign is enabled' do
+        team.update!(allow_auto_assign: true)
+
+        conversation.update(team: team)
+
+        expect(conversation.reload.assignee).to eq agent
+        expect(Conversations::ActivityMessageJob).to(have_been_enqueued.at_least(:once)
+          .with(conversation, { account_id: conversation.account_id, inbox_id: conversation.inbox_id, message_type: :activity,
+                                content: "Assigned to #{conversation.assignee.name} via #{team.name} by #{agent.name}" }))
+      end
+
+      it 'wont change assignee if he is already a team member' do
+        team.update!(allow_auto_assign: true)
+        assignee = create(:user, account: conversation.account, role: :agent)
+        create(:inbox_member, user: assignee, inbox: conversation.inbox)
+        create(:team_member, team: team, user: assignee)
+        conversation.update(assignee: assignee)
+
+        conversation.update(team: team)
+
+        expect(conversation.reload.assignee).to eq assignee
+      end
+    end
+  end
+end