Aggiunge gestione account con cambio password su web e app.

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

backend/app/services/users/request_password_reset.rb

@@ -0,0 +1,19 @@
+module Users
+  class RequestPasswordReset
+    def self.call(email:)
+      new(email: email).call
+    end
+
+    def initialize(email:)
+      @email = email.to_s.downcase.strip
+    end
+
+    def call
+      user = User.find_by(email: @email)
+      return if user.nil?
+
+      token = user.generate_password_reset!
+      UserMailer.password_reset(user, token).deliver_now
+    end
+  end
+end