feat(ce): Add Year in review feature (#13078)

<img width="1502" height="813" alt="Screenshot 2025-12-15 at 5 01 57 PM"
src="https://github.com/user-attachments/assets/ea721f00-403c-4adc-8410-5c0fa4ee4122"
/>

config/routes.rb

@@ -425,6 +425,7 @@ Rails.application.routes.draw do
               get :bot_metrics
             end
           end
+          resource :year_in_review, only: [:show]
           resources :live_reports, only: [] do
             collection do
               get :conversation_metrics