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/spec/requests/admin/analytics_spec.rb

@@ -35,10 +35,40 @@ RSpec.describe "Admin analytics", type: :request do
     expect(response.body).to include("40")
   end
 
-  it "mostra la heatmap di una pagina" do
+  it "mostra la heatmap di una pagina con tab dispositivo" do
     get admin_analytics_page_path, params: { page_path: "/prezzi" }
     expect(response).to have_http_status(:ok)
     expect(response.body).to include("admin-heatmap")
     expect(response.body).to include("/prezzi")
+    expect(response.body).to include("is-active")
+    expect(response.body).to include(I18n.t("admin.analytics.devices.desktop"))
+  end
+
+  it "mostra solo i punti del dispositivo selezionato" do
+    AnalyticsPageCell.create!(
+      day: Time.zone.today,
+      page_path: "/prezzi",
+      device: "mobile",
+      cell_x: 5,
+      cell_y: 8,
+      click_count: 9,
+      move_count: 0
+    )
+
+    get admin_analytics_page_path, params: { page_path: "/prezzi", device: "mobile", layer: "click" }
+    expect(response).to have_http_status(:ok)
+    expect(response.body).to include("x":5")
+    expect(response.body).to include("c":9")
+    expect(response.body).not_to include("x":10")
+  end
+
+  it "attiva e disattiva l'anteprima staff" do
+    post admin_analytics_preview_path, params: { return_to: "/" }
+    expect(response).to redirect_to("/")
+    expect(response.cookies[Analytics::Suppress::COOKIE_NAME]).to eq("1")
+
+    delete admin_analytics_preview_path
+    expect(response).to redirect_to(admin_analytics_path)
+    expect(response.cookies[Analytics::Suppress::COOKIE_NAME]).to be_nil
   end
 end