Aggiunge heatmaps first-party (click/scroll) con pagina admin Analytics.

Raccoglie eventi aggregati dietro consenso cookie, senza PII né tracking su admin/regia/live/replay; GA4 resta invariato.

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

backend/spec/requests/admin/analytics_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe "Admin analytics", type: :request do
+  let!(:admin) { AdminAccount.create!(username: "ops-analytics", password: "Password123") }
+
+  before do
+    post admin_login_path, params: { username: admin.username, password: "Password123" }
+    AnalyticsPageStat.create!(
+      day: Time.zone.today,
+      page_path: "/prezzi",
+      device: "desktop",
+      pageview_count: 12,
+      scroll_samples: 10,
+      scroll_sum_pct: 600,
+      max_scroll_pct: 90
+    )
+    AnalyticsPageCell.create!(
+      day: Time.zone.today,
+      page_path: "/prezzi",
+      device: "desktop",
+      cell_x: 10,
+      cell_y: 15,
+      click_count: 4
+    )
+  end
+
+  it "mostra l'elenco pagine" do
+    get admin_analytics_path
+    expect(response).to have_http_status(:ok)
+    expect(response.body).to include("/prezzi")
+    expect(response.body).to include("12")
+  end
+
+  it "mostra la heatmap di una pagina" 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")
+  end
+end