Completa UI e test del form contatti.

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

backend/spec/mailers/contact_mailer_spec.rb

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+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe ContactMailer, type: :mailer do
+  it "invia la richiesta commerciale al supporto con reply-to" do
+    mail = described_class.inquiry(
+      name: "Anna Bianchi",
+      email: "anna@test.it",
+      club_name: "ASD Test",
+      topic: "commercial",
+      message: "Serve un piano per due palestre."
+    )
+
+    expect(mail.to).to eq([MatchLiveTv.support_email])
+    expect(mail.reply_to).to eq(["anna@test.it"])
+    expect(mail.subject).to include("Anna Bianchi")
+    expect(mail.body.encoded).to include("ASD Test")
+    expect(mail.body.encoded).to include("due palestre")
+  end
+
+  it "invia la richiesta privacy all'indirizzo privacy" do
+    mail = described_class.inquiry(
+      name: "Luca Verdi",
+      email: "luca@test.it",
+      club_name: "",
+      topic: "privacy",
+      message: "Chiedo la cancellazione dei dati."
+    )
+
+    expect(mail.to).to eq([MatchLiveTv.privacy_controller_email])
+    expect(mail.body.encoded).to include(I18n.t("mailers.contact.club_none", locale: :it))
+  end
+end