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>

app/services/auto_assignment/inbox_round_robin_service.rb

@@ -0,0 +1,62 @@
+class AutoAssignment::InboxRoundRobinService
+  pattr_initialize [:inbox!]
+
+  # called on inbox delete
+  def clear_queue
+    ::Redis::Alfred.delete(round_robin_key)
+  end
+
+  # called on inbox member create
+  def add_agent_to_queue(user_id)
+    ::Redis::Alfred.lpush(round_robin_key, user_id)
+  end
+
+  # called on inbox member delete
+  def remove_agent_from_queue(user_id)
+    ::Redis::Alfred.lrem(round_robin_key, user_id)
+  end
+
+  def reset_queue
+    clear_queue
+    add_agent_to_queue(inbox.inbox_members.map(&:user_id))
+  end
+
+  # end of queue management functions
+
+  # allowed member ids = [assignable online agents supplied by the assignment service]
+  # the values of allowed member ids should be in string format
+  def available_agent(allowed_agent_ids: [])
+    reset_queue unless validate_queue?
+    user_id = get_member_from_allowed_agent_ids(allowed_agent_ids)
+    inbox.inbox_members.find_by(user_id: user_id)&.user if user_id.present?
+  end
+
+  private
+
+  def get_member_from_allowed_agent_ids(allowed_agent_ids)
+    return nil if allowed_agent_ids.blank?
+
+    user_id = queue.intersection(allowed_agent_ids).pop
+    pop_push_to_queue(user_id)
+    user_id
+  end
+
+  def pop_push_to_queue(user_id)
+    return if user_id.blank?
+
+    remove_agent_from_queue(user_id)
+    add_agent_to_queue(user_id)
+  end
+
+  def validate_queue?
+    return true if inbox.inbox_members.map(&:user_id).sort == queue.map(&:to_i).sort
+  end
+
+  def queue
+    ::Redis::Alfred.lrange(round_robin_key)
+  end
+
+  def round_robin_key
+    format(::Redis::Alfred::ROUND_ROBIN_AGENTS, inbox_id: inbox.id)
+  end
+end