Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/concerns/inbox_agent_availability.rb

@@ -0,0 +1,28 @@
+module InboxAgentAvailability
+  extend ActiveSupport::Concern
+
+  def available_agents
+    online_agent_ids = fetch_online_agent_ids
+    return inbox_members.none if online_agent_ids.empty?
+
+    inbox_members
+      .joins(:user)
+      .where(users: { id: online_agent_ids })
+      .includes(:user)
+  end
+
+  def member_ids_with_assignment_capacity
+    member_ids
+  end
+
+  private
+
+  def fetch_online_agent_ids
+    OnlineStatusTracker.get_available_users(account_id)
+                       .select { |_key, value| value.eql?('online') }
+                       .keys
+                       .map(&:to_i)
+  end
+end
+
+InboxAgentAvailability.prepend_mod_with('InboxAgentAvailability')