Admin analytics: heatmap per device, anteprima staff e analisi costi.

Separa heatmap mobile/desktop, opt-out analytics per operatori, dashboard costi con KPI e trend mensili.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/controllers/analytics/events_controller.rb

@@ -2,7 +2,13 @@
 
 module Analytics
   class EventsController < ActionController::API
+    include ActionController::Cookies
+
     def create
+      if analytics_suppressed?
+        return render json: { accepted: 0, rejected: 0, suppressed: true }, status: :accepted
+      end
+
       payload = parse_payload
       result = Analytics::Ingest.new(events: payload, remote_ip: request.remote_ip).call
 
@@ -15,6 +21,10 @@ module Analytics
 
     private
 
+    def analytics_suppressed?
+      Analytics::Suppress.active?(cookies[Analytics::Suppress::COOKIE_NAME])
+    end
+
     def parse_payload
       body = request.request_parameters
       return body["events"] if body.is_a?(Hash) && body["events"].is_a?(Array)