Usa screenshot di pagina come sfondo heatmap al posto dell’iframe.

Cattura periodica client-side (con consenso), storage ActiveStorage e overlay allineato all’immagine.

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

backend/spec/requests/analytics/snapshots_spec.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe "Analytics snapshots", type: :request do
+  def jpeg_upload
+    path = Rails.root.join("tmp/analytics-snap-test.jpg")
+    FileUtils.mkdir_p(path.dirname)
+    # minimal valid-ish jpeg bytes for ActiveStorage
+    File.binwrite(path, "\xFF\xD8\xFF\xE0#{'x' * 12_000}\xFF\xD9")
+    Rack::Test::UploadedFile.new(path, "image/jpeg")
+  end
+
+  it "accetta uno screenshot e lo associa al path" do
+    post "/analytics/snapshot",
+         params: {
+           path: "/prezzi",
+           device: "desktop",
+           width: 1440,
+           height: 2200,
+           image: jpeg_upload
+         }
+
+    expect(response).to have_http_status(:accepted)
+    snap = AnalyticsPageSnapshot.find_by(page_path: "/prezzi", device: "desktop")
+    expect(snap).to be_present
+    expect(snap.image).to be_attached
+    expect(snap.width).to eq(1440)
+  end
+
+  it "rifiuta path esclusi" do
+    post "/analytics/snapshot",
+         params: {
+           path: "/admin/analytics",
+           device: "desktop",
+           width: 1440,
+           height: 900,
+           image: jpeg_upload
+         }
+
+    expect(response).to have_http_status(:unprocessable_content)
+    expect(AnalyticsPageSnapshot.count).to eq(0)
+  end
+end