Aggiorna marketing: prezzi lancio, Funzionalità narrativa e link store.

Allinea i piani Light/Full ai prezzi di lancio, ripensa /funzionalita per vendere il prodotto e aggiunge i badge App Store/Play nella home.

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

backend/spec/services/billing/payment_description_spec.rb

@@ -10,7 +10,7 @@ RSpec.describe Billing::PaymentDescription do
       lines: double(data: [])
     )
 
-    expect(described_class.for_stripe_invoice(invoice)).to eq("Premium Light — €5/mese")
+    expect(described_class.for_stripe_invoice(invoice)).to eq("Premium Light — €7,90/mese")
   end
 
   it "ignora descrizioni di test nel pagamento salvato" do
@@ -23,6 +23,6 @@ RSpec.describe Billing::PaymentDescription do
       club: Club.create!(name: "C", sport: "volleyball", primary_color: "#e53935", secondary_color: "#ffffff")
     )
 
-    expect(payment.display_description).to eq("Premium Light — €40/anno")
+    expect(payment.display_description).to eq("Premium Light — €59/anno")
   end
 end

backend/spec/services/billing/stripe/price_catalog_spec.rb

@@ -23,6 +23,15 @@ RSpec.describe Billing::Stripe::PriceCatalog do
     expect { described_class.normalize_interval("weekly") }.to raise_error(ArgumentError)
   end
 
+  it "etichetta il prezzo lancio annuale e il mensile" do
+    expect(described_class.label(plan_slug: "premium_light", interval: "yearly")).to eq("€59/anno")
+    expect(described_class.label(plan_slug: "premium_light", interval: "monthly")).to eq("€7,90/mese")
+    expect(described_class.list_label(plan_slug: "premium_light", interval: "yearly")).to eq("€79/anno")
+    expect(described_class.equivalent_monthly_label(plan_slug: "premium_light")).to eq("€4,92/mese")
+    expect(described_class.label(plan_slug: "premium_full", interval: "yearly")).to eq("€199/anno")
+    expect(described_class.label(plan_slug: "premium_full", interval: "monthly")).to eq("€24,90/mese")
+  end
+
   it "elenca intervalli configurati" do
     expect(described_class.available_intervals(plan_slug: "premium_light")).to eq(%w[monthly yearly])
   end

backend/spec/services/billing/stripe/record_payment_spec.rb

@@ -38,6 +38,6 @@ RSpec.describe Billing::Stripe::RecordPayment do
     expect(payment.club).to eq(club)
     expect(payment.amount_cents).to eq(4000)
     expect(payment.stripe_invoice_id).to eq("in_test_1")
-    expect(payment.description).to eq("Premium Light — €40/anno")
+    expect(payment.description).to eq("Premium Light — €59/anno")
   end
 end