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/analytics/snapshots_spec.rb

@@ -29,16 +29,36 @@ RSpec.describe "Analytics snapshots", type: :request do
   end
 
   it "rifiuta path esclusi" do
-    post "/analytics/snapshot",
-         params: {
-           path: "/admin/analytics",
-           device: "desktop",
-           width: 1440,
-           height: 900,
-           image: jpeg_upload
-         }
+    expect do
+      post "/analytics/snapshot",
+           params: {
+             path: "/admin/analytics",
+             device: "desktop",
+             width: 1440,
+             height: 900,
+             image: jpeg_upload
+           }
+    end.not_to change(AnalyticsPageSnapshot, :count)
 
     expect(response).to have_http_status(:unprocessable_content)
-    expect(AnalyticsPageSnapshot.count).to eq(0)
+  end
+
+  it "salta snapshot con cookie anteprima staff" do
+    expect do
+      post "/analytics/snapshot",
+           params: {
+             path: "/prezzi-suppress",
+             device: "desktop",
+             width: 1440,
+             height: 2200,
+             image: jpeg_upload
+           },
+           headers: { "Cookie" => "#{Analytics::Suppress::COOKIE_NAME}=1" }
+    end.not_to change(AnalyticsPageSnapshot, :count)
+
+    expect(response).to have_http_status(:accepted)
+    body = JSON.parse(response.body)
+    expect(body["skipped"]).to eq(true)
+    expect(body["suppressed"]).to eq(true)
   end
 end