Aggiunge annunci in-app/sito, contatti e migliora UI copertina sul portale.

Include admin/API/banner nativi, form contatti e reset copertina standard con layout edit più ampio.

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

backend/app/services/contacts/submit_inquiry.rb

@@ -0,0 +1,102 @@
+module Contacts
+  class SubmitInquiry
+    TOPICS = %w[commercial support privacy].freeze
+    LIMIT = 5
+    WINDOW = 1.hour
+    NAME_MAX = 120
+    CLUB_MAX = 160
+    MESSAGE_MIN = 10
+    MESSAGE_MAX = 4_000
+
+    Result = Struct.new(:ok, :error, keyword_init: true)
+
+    def self.call(params:, ip:)
+      new(params: params, ip: ip).call
+    end
+
+    def initialize(params:, ip:)
+      @params = params
+      @ip = ip.to_s.presence || "unknown"
+    end
+
+    def call
+      if honeypot_filled?
+        record_attempt
+        return Result.new(ok: true, error: nil)
+      end
+
+      return Result.new(ok: false, error: :throttled) if throttled?
+
+      error = validate
+      return Result.new(ok: false, error: error) if error
+
+      record_attempt
+      deliver
+      Result.new(ok: true, error: nil)
+    end
+
+    private
+
+    def honeypot_filled?
+      @params[:website].to_s.strip.present?
+    end
+
+    def throttled?
+      current_count >= LIMIT
+    end
+
+    def validate
+      return :privacy_required unless @params[:accept_privacy].to_s == "1"
+      return :invalid if name.blank? || name.length > NAME_MAX
+      return :invalid_email if email.blank? || email !~ URI::MailTo::EMAIL_REGEXP
+      return :invalid if club_name.length > CLUB_MAX
+      return :invalid unless TOPICS.include?(topic)
+      return :invalid_message if message.length < MESSAGE_MIN || message.length > MESSAGE_MAX
+
+      nil
+    end
+
+    def deliver
+      mail = ContactMailer.inquiry(
+        name: name,
+        email: email,
+        club_name: club_name,
+        topic: topic,
+        message: message
+      )
+      MatchLiveTv.deliver_mail(mail)
+    end
+
+    def record_attempt
+      Rails.cache.write(cache_key, current_count + 1, expires_in: WINDOW, raw: true)
+    end
+
+    def current_count
+      Rails.cache.read(cache_key, raw: true).to_i
+    end
+
+    def cache_key
+      "contacts:inquiry:#{@ip}"
+    end
+
+    def name
+      @params[:name].to_s.strip
+    end
+
+    def email
+      @params[:email].to_s.strip.downcase
+    end
+
+    def club_name
+      @params[:club_name].to_s.strip
+    end
+
+    def topic
+      @params[:topic].to_s.strip
+    end
+
+    def message
+      @params[:message].to_s.strip
+    end
+  end
+end