diff --git a/app/channels/application_cable/channel.rb b/app/channels/application_cable/channel.rb
index 72b2bf5..716be35 100644
--- a/app/channels/application_cable/channel.rb
+++ b/app/channels/application_cable/channel.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module ApplicationCable
diff --git a/app/channels/application_cable/connection.rb b/app/channels/application_cable/connection.rb
index d45ff4d..286b699 100644
--- a/app/channels/application_cable/connection.rb
+++ b/app/channels/application_cable/connection.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module ApplicationCable
diff --git a/app/controllers/affinities_controller.rb b/app/controllers/affinities_controller.rb
index f8cb9cb..7d63e9e 100644
--- a/app/controllers/affinities_controller.rb
+++ b/app/controllers/affinities_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class AffinitiesController < ApplicationController
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b1baa15..a73aa87 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class ApplicationController < ActionController::Base
diff --git a/app/controllers/captcha_controller.rb b/app/controllers/captcha_controller.rb
index 57dac61..98fcbcb 100644
--- a/app/controllers/captcha_controller.rb
+++ b/app/controllers/captcha_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class CaptchaController < ApplicationController
diff --git a/app/controllers/expenses_controller.rb b/app/controllers/expenses_controller.rb
index 6e1b63b..093d691 100644
--- a/app/controllers/expenses_controller.rb
+++ b/app/controllers/expenses_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class ExpensesController < ApplicationController
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 77a347f..8baa833 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class GroupsController < ApplicationController
diff --git a/app/controllers/guests_controller.rb b/app/controllers/guests_controller.rb
index e7f9ff0..7aee16d 100644
--- a/app/controllers/guests_controller.rb
+++ b/app/controllers/guests_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'csv'
diff --git a/app/controllers/summary_controller.rb b/app/controllers/summary_controller.rb
index e165127..9481a47 100644
--- a/app/controllers/summary_controller.rb
+++ b/app/controllers/summary_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class SummaryController < ApplicationController
diff --git a/app/controllers/tables_arrangements_controller.rb b/app/controllers/tables_arrangements_controller.rb
index 23b99ba..76a6774 100644
--- a/app/controllers/tables_arrangements_controller.rb
+++ b/app/controllers/tables_arrangements_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class TablesArrangementsController < ApplicationController
diff --git a/app/controllers/tokens_controller.rb b/app/controllers/tokens_controller.rb
index 5a8490d..4b71df3 100644
--- a/app/controllers/tokens_controller.rb
+++ b/app/controllers/tokens_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class TokensController < ApplicationController
diff --git a/app/controllers/users/confirmations_controller.rb b/app/controllers/users/confirmations_controller.rb
index 7e5c048..c078a1a 100644
--- a/app/controllers/users/confirmations_controller.rb
+++ b/app/controllers/users/confirmations_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Users
diff --git a/app/controllers/users/registrations_controller.rb b/app/controllers/users/registrations_controller.rb
index 0849d96..2a25268 100644
--- a/app/controllers/users/registrations_controller.rb
+++ b/app/controllers/users/registrations_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Users
diff --git a/app/controllers/users/sessions_controller.rb b/app/controllers/users/sessions_controller.rb
index 5e3ad06..8464417 100644
--- a/app/controllers/users/sessions_controller.rb
+++ b/app/controllers/users/sessions_controller.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Users
diff --git a/app/extensions/tree_node_extension.rb b/app/extensions/tree_node_extension.rb
index 9bd1ed4..443c658 100644
--- a/app/extensions/tree_node_extension.rb
+++ b/app/extensions/tree_node_extension.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module TreeNodeExtension
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 1bc40d8..d0c1baa 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module ApplicationHelper
diff --git a/app/helpers/expenses_helper.rb b/app/helpers/expenses_helper.rb
index 287c70f..05513f7 100644
--- a/app/helpers/expenses_helper.rb
+++ b/app/helpers/expenses_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module ExpensesHelper
diff --git a/app/helpers/groups_helper.rb b/app/helpers/groups_helper.rb
index b0492f2..85d797b 100644
--- a/app/helpers/groups_helper.rb
+++ b/app/helpers/groups_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module GroupsHelper
diff --git a/app/helpers/guests_helper.rb b/app/helpers/guests_helper.rb
index 849ddb8..639cf38 100644
--- a/app/helpers/guests_helper.rb
+++ b/app/helpers/guests_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module GuestsHelper
diff --git a/app/helpers/tables_arrangements_helper.rb b/app/helpers/tables_arrangements_helper.rb
index bd95809..a039c6e 100644
--- a/app/helpers/tables_arrangements_helper.rb
+++ b/app/helpers/tables_arrangements_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module TablesArrangementsHelper
diff --git a/app/jobs/application_job.rb b/app/jobs/application_job.rb
index 02ef80e..62fb66f 100644
--- a/app/jobs/application_job.rb
+++ b/app/jobs/application_job.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class ApplicationJob < ActiveJob::Base
diff --git a/app/jobs/table_simulator_job.rb b/app/jobs/table_simulator_job.rb
index 50fe728..56a59d0 100644
--- a/app/jobs/table_simulator_job.rb
+++ b/app/jobs/table_simulator_job.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class TableSimulatorJob < ApplicationJob
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index b168ff3..706222d 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class ApplicationMailer < ActionMailer::Base
diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index 1a28db5..d6fee04 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class ApplicationRecord < ActiveRecord::Base
diff --git a/app/models/expense.rb b/app/models/expense.rb
index a34cfc5..f810d1c 100644
--- a/app/models/expense.rb
+++ b/app/models/expense.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/group.rb b/app/models/group.rb
index ddf6e52..92d88a6 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/group_affinity.rb b/app/models/group_affinity.rb
index 1e85485..b94e0c5 100644
--- a/app/models/group_affinity.rb
+++ b/app/models/group_affinity.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/guest.rb b/app/models/guest.rb
index 8687767..c9eb0b0 100644
--- a/app/models/guest.rb
+++ b/app/models/guest.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/seat.rb b/app/models/seat.rb
index a00ec99..71e9d77 100644
--- a/app/models/seat.rb
+++ b/app/models/seat.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/tables_arrangement.rb b/app/models/tables_arrangement.rb
index 72f13d5..3e6aef9 100644
--- a/app/models/tables_arrangement.rb
+++ b/app/models/tables_arrangement.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/user.rb b/app/models/user.rb
index 5a9683e..d263c97 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/models/wedding.rb b/app/models/wedding.rb
index c94d83d..4368c50 100644
--- a/app/models/wedding.rb
+++ b/app/models/wedding.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # == Schema Information
diff --git a/app/queries/expenses/total_query.rb b/app/queries/expenses/total_query.rb
index fc46a6b..0ba9f5f 100644
--- a/app/queries/expenses/total_query.rb
+++ b/app/queries/expenses/total_query.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Expenses
diff --git a/app/queries/groups/summary_query.rb b/app/queries/groups/summary_query.rb
index 28fe6a5..e1b7138 100644
--- a/app/queries/groups/summary_query.rb
+++ b/app/queries/groups/summary_query.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Groups
diff --git a/app/serializers/serializable_group.rb b/app/serializers/serializable_group.rb
index eb30b10..4572c78 100644
--- a/app/serializers/serializable_group.rb
+++ b/app/serializers/serializable_group.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class SerializableGroup < JSONAPI::Serializable::Resource
diff --git a/app/serializers/serializable_guest.rb b/app/serializers/serializable_guest.rb
index 981e58b..3e95236 100644
--- a/app/serializers/serializable_guest.rb
+++ b/app/serializers/serializable_guest.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class SerializableGuest < JSONAPI::Serializable::Resource
diff --git a/app/services/affinity_groups_hierarchy.rb b/app/services/affinity_groups_hierarchy.rb
index 310bac8..783c7ed 100644
--- a/app/services/affinity_groups_hierarchy.rb
+++ b/app/services/affinity_groups_hierarchy.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class AffinityGroupsHierarchy < Array
diff --git a/app/services/libre_captcha.rb b/app/services/libre_captcha.rb
index 314c186..d644ba2 100644
--- a/app/services/libre_captcha.rb
+++ b/app/services/libre_captcha.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class LibreCaptcha
diff --git a/app/services/tables/discomfort_calculator.rb b/app/services/tables/discomfort_calculator.rb
index 48dacce..bd35087 100644
--- a/app/services/tables/discomfort_calculator.rb
+++ b/app/services/tables/discomfort_calculator.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Tables
diff --git a/app/services/tables/distribution.rb b/app/services/tables/distribution.rb
index 04d1e6a..7b4762f 100644
--- a/app/services/tables/distribution.rb
+++ b/app/services/tables/distribution.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require_relative '../../extensions/tree_node_extension'
diff --git a/app/services/tables/shift.rb b/app/services/tables/shift.rb
index 2326b1e..45e7150 100644
--- a/app/services/tables/shift.rb
+++ b/app/services/tables/shift.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Tables
diff --git a/app/services/tables/swap.rb b/app/services/tables/swap.rb
index 1fe6944..230959d 100644
--- a/app/services/tables/swap.rb
+++ b/app/services/tables/swap.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Tables
diff --git a/app/services/tables/table.rb b/app/services/tables/table.rb
index 8877e7c..3628c49 100644
--- a/app/services/tables/table.rb
+++ b/app/services/tables/table.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Tables
diff --git a/app/services/vns/engine.rb b/app/services/vns/engine.rb
index 9f600df..fe1ff91 100644
--- a/app/services/vns/engine.rb
+++ b/app/services/vns/engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module VNS
diff --git a/app/views/layouts/mailer.html.erb b/app/views/layouts/mailer.html.erb
index ca6bd25..4eee621 100644
--- a/app/views/layouts/mailer.html.erb
+++ b/app/views/layouts/mailer.html.erb
@@ -1,5 +1,7 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <!DOCTYPE html>
 <html>
   <head>
diff --git a/app/views/layouts/mailer.text.erb b/app/views/layouts/mailer.text.erb
index 0b40d6b..62b17c3 100644
--- a/app/views/layouts/mailer.text.erb
+++ b/app/views/layouts/mailer.text.erb
@@ -1,3 +1,5 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <%= yield %>
diff --git a/app/views/users/mailer/confirmation_instructions.html.erb b/app/views/users/mailer/confirmation_instructions.html.erb
index 448e3d9..688f1bc 100644
--- a/app/views/users/mailer/confirmation_instructions.html.erb
+++ b/app/views/users/mailer/confirmation_instructions.html.erb
@@ -1,5 +1,7 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <p>Welcome <%= @email %>!</p>
 
 <p>You can confirm your account email through the link below:</p>
diff --git a/app/views/users/mailer/email_changed.html.erb b/app/views/users/mailer/email_changed.html.erb
index 51cfa7a..8935bc0 100644
--- a/app/views/users/mailer/email_changed.html.erb
+++ b/app/views/users/mailer/email_changed.html.erb
@@ -1,5 +1,7 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <p>Hello <%= @email %>!</p>
 
 <% if @resource.try(:unconfirmed_email?) %>
diff --git a/app/views/users/mailer/password_change.html.erb b/app/views/users/mailer/password_change.html.erb
index 7bfd484..3d72a19 100644
--- a/app/views/users/mailer/password_change.html.erb
+++ b/app/views/users/mailer/password_change.html.erb
@@ -1,5 +1,7 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <p>Hello <%= @resource.email %>!</p>
 
 <p>We're contacting you to notify you that your password has been changed.</p>
diff --git a/app/views/users/mailer/reset_password_instructions.html.erb b/app/views/users/mailer/reset_password_instructions.html.erb
index 3bc6fcd..fc45ec9 100644
--- a/app/views/users/mailer/reset_password_instructions.html.erb
+++ b/app/views/users/mailer/reset_password_instructions.html.erb
@@ -1,5 +1,7 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <p>Hello <%= @resource.email %>!</p>
 
 <p>Someone has requested a link to change your password. You can do this through the link below.</p>
diff --git a/app/views/users/mailer/unlock_instructions.html.erb b/app/views/users/mailer/unlock_instructions.html.erb
index 6df5c0a..fddd365 100644
--- a/app/views/users/mailer/unlock_instructions.html.erb
+++ b/app/views/users/mailer/unlock_instructions.html.erb
@@ -1,5 +1,7 @@
 <%# Copyright (C) 2024 Manuel Bustillo %>
 
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
 <p>Hello <%= @resource.email %>!</p>
 
 <p>Your account has been locked due to an excessive number of unsuccessful sign in attempts.</p>
diff --git a/config/application.rb b/config/application.rb
index 8233705..32fbf95 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 require_relative 'boot'
 
 require 'rails'
diff --git a/config/boot.rb b/config/boot.rb
index b7afb85..59676bc 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
 
 require "bundler/setup" # Set up gems listed in the Gemfile.
diff --git a/config/environment.rb b/config/environment.rb
index 6cec499..df4bf2e 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Load the Rails application.
 require_relative "application"
 
diff --git a/config/environments/development.rb b/config/environments/development.rb
index b3b6593..b0f2198 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 require "active_support/core_ext/integer/time"
 
 Rails.application.configure do
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 2a94187..59e22d6 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 require "active_support/core_ext/integer/time"
 
 Rails.application.configure do
diff --git a/config/environments/test.rb b/config/environments/test.rb
index ef2b3a4..28b85d7 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 require "active_support/core_ext/integer/time"
 
 # The test environment is used exclusively to run your application's
diff --git a/config/importmap.rb b/config/importmap.rb
index f84aa44..19991f1 100644
--- a/config/importmap.rb
+++ b/config/importmap.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Pin npm packages by running ./bin/importmap
 
 pin "application"
diff --git a/config/initializers/acts_as_tenant.rb b/config/initializers/acts_as_tenant.rb
index c535737..72510c4 100644
--- a/config/initializers/acts_as_tenant.rb
+++ b/config/initializers/acts_as_tenant.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 ActsAsTenant.configure do |config|
   config.require_tenant = !Rails.env.test?
 end
\ No newline at end of file
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
index f67fe73..8e722ce 100644
--- a/config/initializers/assets.rb
+++ b/config/initializers/assets.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
diff --git a/config/initializers/colors.rb b/config/initializers/colors.rb
index b435084..f1bbdd2 100644
--- a/config/initializers/colors.rb
+++ b/config/initializers/colors.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 Chroma.define_palette :decreasing_saturation do
   spin(20).desaturate(40)
   spin(-20).desaturate(40)
diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
index 9004631..3f9221f 100644
--- a/config/initializers/content_security_policy.rb
+++ b/config/initializers/content_security_policy.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Be sure to restart your server when you modify this file.
 
 # Define an application-wide content security policy.
diff --git a/config/initializers/cors.rb b/config/initializers/cors.rb
index f4b450f..565fe09 100644
--- a/config/initializers/cors.rb
+++ b/config/initializers/cors.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # config/initializers/cors.rb
 
 Rails.application.config.middleware.insert_before 0, Rack::Cors do
diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index 5f631ef..0ecbf5e 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # Assuming you have not yet modified this file, each configuration option below
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
index b5bfef2..e184d9a 100644
--- a/config/initializers/filter_parameter_logging.rb
+++ b/config/initializers/filter_parameter_logging.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Be sure to restart your server when you modify this file.
 
 # Configure parameters to be partially matched (e.g. passw matches password) and filtered from the log file.
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 6633bb9..0f9a0ea 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Be sure to restart your server when you modify this file.
 
 # Add new inflection rules using the following format. Inflections
diff --git a/config/initializers/permissions_policy.rb b/config/initializers/permissions_policy.rb
index 57547a3..af956f8 100644
--- a/config/initializers/permissions_policy.rb
+++ b/config/initializers/permissions_policy.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # Be sure to restart your server when you modify this file.
 
 # Define an application-wide HTTP permissions policy. For further
diff --git a/config/initializers/rswag_api.rb b/config/initializers/rswag_api.rb
index 5c46141..4c11988 100644
--- a/config/initializers/rswag_api.rb
+++ b/config/initializers/rswag_api.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 Rswag::Api.configure do |c|
 
   # Specify a root folder where Swagger JSON files are located
diff --git a/config/initializers/rswag_ui.rb b/config/initializers/rswag_ui.rb
index 9540ca4..dec08ce 100644
--- a/config/initializers/rswag_ui.rb
+++ b/config/initializers/rswag_ui.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 Rswag::Ui.configure do |c|
 
   # List the Swagger endpoints that you want to be documented through the
diff --git a/config/initializers/ruby_extensions.rb b/config/initializers/ruby_extensions.rb
index 46016e7..9fb7af1 100644
--- a/config/initializers/ruby_extensions.rb
+++ b/config/initializers/ruby_extensions.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class Numeric
   def to_currency
     Money.from_amount(self, "EUR").format
diff --git a/config/puma.rb b/config/puma.rb
index 0e947b4..3d8dbc2 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # This configuration file will be evaluated by Puma. The top-level methods that
 # are invoked here are part of Puma's configuration DSL. For more information
 # about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
diff --git a/config/routes.rb b/config/routes.rb
index 10c45ae..457503d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 Rails.application.routes.draw do
   mount LetterOpenerWeb::Engine, at: "/letter_opener" if Rails.env.development?
   get 'token' => 'tokens#show', as: :token
diff --git a/db/migrate/20240711175425_create_expenses.rb b/db/migrate/20240711175425_create_expenses.rb
index cdac7d0..1538790 100644
--- a/db/migrate/20240711175425_create_expenses.rb
+++ b/db/migrate/20240711175425_create_expenses.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateExpenses < ActiveRecord::Migration[7.1]
   def change
     create_enum :pricing_types, ["fixed", "per_person"]
diff --git a/db/migrate/20240711180753_create_guests.rb b/db/migrate/20240711180753_create_guests.rb
index ca3f85b..6597d34 100644
--- a/db/migrate/20240711180753_create_guests.rb
+++ b/db/migrate/20240711180753_create_guests.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateGuests < ActiveRecord::Migration[7.1]
   def change
     create_table :guests, id: :uuid do |t|
diff --git a/db/migrate/20240711181626_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb b/db/migrate/20240711181626_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb
index 803f800..a614c83 100644
--- a/db/migrate/20240711181626_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181626_acts_as_taggable_on_migration.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 1)
diff --git a/db/migrate/20240711181627_add_missing_unique_indices.acts_as_taggable_on_engine.rb b/db/migrate/20240711181627_add_missing_unique_indices.acts_as_taggable_on_engine.rb
index 7fe34a2..ab62f5f 100644
--- a/db/migrate/20240711181627_add_missing_unique_indices.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181627_add_missing_unique_indices.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 2)
diff --git a/db/migrate/20240711181628_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb b/db/migrate/20240711181628_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb
index a329d5d..1d9f0e9 100644
--- a/db/migrate/20240711181628_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181628_add_taggings_counter_cache_to_tags.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 3)
diff --git a/db/migrate/20240711181629_add_missing_taggable_index.acts_as_taggable_on_engine.rb b/db/migrate/20240711181629_add_missing_taggable_index.acts_as_taggable_on_engine.rb
index 4548054..0d79854 100644
--- a/db/migrate/20240711181629_add_missing_taggable_index.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181629_add_missing_taggable_index.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 4)
diff --git a/db/migrate/20240711181630_change_collation_for_tag_names.acts_as_taggable_on_engine.rb b/db/migrate/20240711181630_change_collation_for_tag_names.acts_as_taggable_on_engine.rb
index d0ff9c4..e643bb4 100644
--- a/db/migrate/20240711181630_change_collation_for_tag_names.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181630_change_collation_for_tag_names.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 5)
diff --git a/db/migrate/20240711181631_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb b/db/migrate/20240711181631_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb
index 194dea4..fa60128 100644
--- a/db/migrate/20240711181631_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181631_add_missing_indexes_on_taggings.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 6)
diff --git a/db/migrate/20240711181632_add_tenant_to_taggings.acts_as_taggable_on_engine.rb b/db/migrate/20240711181632_add_tenant_to_taggings.acts_as_taggable_on_engine.rb
index 23cb9f8..fa8df4d 100644
--- a/db/migrate/20240711181632_add_tenant_to_taggings.acts_as_taggable_on_engine.rb
+++ b/db/migrate/20240711181632_add_tenant_to_taggings.acts_as_taggable_on_engine.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This migration comes from acts_as_taggable_on_engine (originally 7)
diff --git a/db/migrate/20240724181756_create_tables_arrangements.rb b/db/migrate/20240724181756_create_tables_arrangements.rb
index ac69487..ed278c8 100644
--- a/db/migrate/20240724181756_create_tables_arrangements.rb
+++ b/db/migrate/20240724181756_create_tables_arrangements.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateTablesArrangements < ActiveRecord::Migration[7.1]
   def change
     create_table :tables_arrangements, id: :uuid do |t|
diff --git a/db/migrate/20240724181853_create_seats.rb b/db/migrate/20240724181853_create_seats.rb
index b28c9d0..462df84 100644
--- a/db/migrate/20240724181853_create_seats.rb
+++ b/db/migrate/20240724181853_create_seats.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateSeats < ActiveRecord::Migration[7.1]
   def change
     create_table :seats, id: :uuid do |t|
diff --git a/db/migrate/20240811142121_create_groups.rb b/db/migrate/20240811142121_create_groups.rb
index b21f067..8380c36 100644
--- a/db/migrate/20240811142121_create_groups.rb
+++ b/db/migrate/20240811142121_create_groups.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateGroups < ActiveRecord::Migration[7.1]
   def change
     create_table :groups, id: :uuid do |t|
diff --git a/db/migrate/20240811143801_add_parent_to_group.rb b/db/migrate/20240811143801_add_parent_to_group.rb
index c8a3a14..fc4a881 100644
--- a/db/migrate/20240811143801_add_parent_to_group.rb
+++ b/db/migrate/20240811143801_add_parent_to_group.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AddParentToGroup < ActiveRecord::Migration[7.1]
   def change
     add_reference :groups, :parent, type: :uuid, index: true, foreign_key: { to_table: :groups }
diff --git a/db/migrate/20240811154115_add_group_to_guest.rb b/db/migrate/20240811154115_add_group_to_guest.rb
index f1fcdaf..ff88298 100644
--- a/db/migrate/20240811154115_add_group_to_guest.rb
+++ b/db/migrate/20240811154115_add_group_to_guest.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AddGroupToGuest < ActiveRecord::Migration[7.1]
   def change
     add_reference :guests, :group, null: false, foreign_key: true, type: :uuid
diff --git a/db/migrate/20240811170021_add_status_to_guest.rb b/db/migrate/20240811170021_add_status_to_guest.rb
index de51170..09a2a9e 100644
--- a/db/migrate/20240811170021_add_status_to_guest.rb
+++ b/db/migrate/20240811170021_add_status_to_guest.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AddStatusToGuest < ActiveRecord::Migration[7.1]
   def change
     add_column :guests, :status, :integer, default: 0
diff --git a/db/migrate/20241101181052_drop_taggable_tables.rb b/db/migrate/20241101181052_drop_taggable_tables.rb
index cce88c7..6787951 100644
--- a/db/migrate/20241101181052_drop_taggable_tables.rb
+++ b/db/migrate/20241101181052_drop_taggable_tables.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class DropTaggableTables < ActiveRecord::Migration[7.2]
   def change
     drop_table 'taggings', force: :cascade do |t|
diff --git a/db/migrate/20241103072808_add_name_to_tables_arrangements.rb b/db/migrate/20241103072808_add_name_to_tables_arrangements.rb
index 53dd4fa..3bd57a2 100644
--- a/db/migrate/20241103072808_add_name_to_tables_arrangements.rb
+++ b/db/migrate/20241103072808_add_name_to_tables_arrangements.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AddNameToTablesArrangements < ActiveRecord::Migration[7.2]
   def change
     add_column :tables_arrangements, :name, :string, null: false
diff --git a/db/migrate/20241103075705_solid_queue_install.rb b/db/migrate/20241103075705_solid_queue_install.rb
index 3a0b744..ca9e45e 100644
--- a/db/migrate/20241103075705_solid_queue_install.rb
+++ b/db/migrate/20241103075705_solid_queue_install.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class SolidQueueInstall < ActiveRecord::Migration[7.2]
   def change
     create_table 'solid_queue_blocked_executions', force: :cascade do |t|
diff --git a/db/migrate/20241103093955_remove_email_from_guests.rb b/db/migrate/20241103093955_remove_email_from_guests.rb
index 26ca939..a6f9798 100644
--- a/db/migrate/20241103093955_remove_email_from_guests.rb
+++ b/db/migrate/20241103093955_remove_email_from_guests.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class RemoveEmailFromGuests < ActiveRecord::Migration[7.2]
   def change
     remove_column :guests, :email, :string
diff --git a/db/migrate/20241103133122_add_color_to_group.rb b/db/migrate/20241103133122_add_color_to_group.rb
index bca1c30..30218e3 100644
--- a/db/migrate/20241103133122_add_color_to_group.rb
+++ b/db/migrate/20241103133122_add_color_to_group.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AddColorToGroup < ActiveRecord::Migration[7.2]
   def change
     add_column :groups, :color, :string
diff --git a/db/migrate/20241111063741_merge_guest_names.rb b/db/migrate/20241111063741_merge_guest_names.rb
index 849f58f..90d5e82 100644
--- a/db/migrate/20241111063741_merge_guest_names.rb
+++ b/db/migrate/20241111063741_merge_guest_names.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class MergeGuestNames < ActiveRecord::Migration[8.0]
   def change
     add_column :guests, :name, :string
diff --git a/db/migrate/20241130095753_devise_create_users.rb b/db/migrate/20241130095753_devise_create_users.rb
index 977c72e..496e3fc 100644
--- a/db/migrate/20241130095753_devise_create_users.rb
+++ b/db/migrate/20241130095753_devise_create_users.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 class DeviseCreateUsers < ActiveRecord::Migration[8.0]
diff --git a/db/migrate/20241130182228_create_weddings.rb b/db/migrate/20241130182228_create_weddings.rb
index 2151f72..77ada38 100644
--- a/db/migrate/20241130182228_create_weddings.rb
+++ b/db/migrate/20241130182228_create_weddings.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateWeddings < ActiveRecord::Migration[8.0]
   def change
     create_table :weddings, id: :uuid do |t|
diff --git a/db/migrate/20241130185731_add_wedding_id_to_models.rb b/db/migrate/20241130185731_add_wedding_id_to_models.rb
index 63e5c32..c9b231c 100644
--- a/db/migrate/20241130185731_add_wedding_id_to_models.rb
+++ b/db/migrate/20241130185731_add_wedding_id_to_models.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AddWeddingIdToModels < ActiveRecord::Migration[8.0]
   def change
     [:expenses, :guests, :seats, :tables_arrangements, :groups, :users].each do |table|
diff --git a/db/migrate/20241207112305_remove_wedding_date.rb b/db/migrate/20241207112305_remove_wedding_date.rb
index c810ee4..ca28b71 100644
--- a/db/migrate/20241207112305_remove_wedding_date.rb
+++ b/db/migrate/20241207112305_remove_wedding_date.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class RemoveWeddingDate < ActiveRecord::Migration[8.0]
   def change
     remove_column :weddings, :date, :date, null: false
diff --git a/db/migrate/20241208102932_allow_ungrouped_guests.rb b/db/migrate/20241208102932_allow_ungrouped_guests.rb
index c06d40c..f567676 100644
--- a/db/migrate/20241208102932_allow_ungrouped_guests.rb
+++ b/db/migrate/20241208102932_allow_ungrouped_guests.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class AllowUngroupedGuests < ActiveRecord::Migration[8.0]
   def change
     change_column_null :guests, :group_id, true
diff --git a/db/migrate/20241216231415_create_group_affinities.rb b/db/migrate/20241216231415_create_group_affinities.rb
index 2b03897..113d026 100644
--- a/db/migrate/20241216231415_create_group_affinities.rb
+++ b/db/migrate/20241216231415_create_group_affinities.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 class CreateGroupAffinities < ActiveRecord::Migration[8.0]
   disable_ddl_transaction!
 
diff --git a/db/queue_schema.rb b/db/queue_schema.rb
index 24748f4..149f41f 100644
--- a/db/queue_schema.rb
+++ b/db/queue_schema.rb
@@ -1,4 +1,6 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 ActiveRecord::Schema[7.1].define(version: 1) do
   end
diff --git a/db/schema.rb b/db/schema.rb
index f723b74..cfc1383 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
diff --git a/db/seeds.rb b/db/seeds.rb
index eb45757..e61f33b 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 NUMBER_OF_GUESTS = 50
 
 ActsAsTenant.without_tenant do
diff --git a/spec/extensions/tree_spec.rb b/spec/extensions/tree_spec.rb
index 1d3e6d0..937a0fe 100644
--- a/spec/extensions/tree_spec.rb
+++ b/spec/extensions/tree_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/factories/expense.rb b/spec/factories/expense.rb
index e122a43..ceaf501 100644
--- a/spec/factories/expense.rb
+++ b/spec/factories/expense.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/factories/group_affinities.rb b/spec/factories/group_affinities.rb
index f5f2b65..c33de53 100644
--- a/spec/factories/group_affinities.rb
+++ b/spec/factories/group_affinities.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/factories/groups.rb b/spec/factories/groups.rb
index 84ae9ec..f19ba72 100644
--- a/spec/factories/groups.rb
+++ b/spec/factories/groups.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/factories/guest.rb b/spec/factories/guest.rb
index 25a5c5e..a1f284a 100644
--- a/spec/factories/guest.rb
+++ b/spec/factories/guest.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/factories/table_arrangement.rb b/spec/factories/table_arrangement.rb
index 19c5f14..86ddddf 100644
--- a/spec/factories/table_arrangement.rb
+++ b/spec/factories/table_arrangement.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/factories/users.rb b/spec/factories/users.rb
index 3616935..cc49d11 100644
--- a/spec/factories/users.rb
+++ b/spec/factories/users.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/factories/weddings.rb b/spec/factories/weddings.rb
index 1e6f555..de994c8 100644
--- a/spec/factories/weddings.rb
+++ b/spec/factories/weddings.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/models/expense_spec.rb b/spec/models/expense_spec.rb
index b002e78..9a8fc47 100644
--- a/spec/models/expense_spec.rb
+++ b/spec/models/expense_spec.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/models/group_affinity_spec.rb b/spec/models/group_affinity_spec.rb
index 9d56d08..5469d27 100644
--- a/spec/models/group_affinity_spec.rb
+++ b/spec/models/group_affinity_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index f7e7fd3..d7ec456 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/models/guest_spec.rb b/spec/models/guest_spec.rb
index a63da70..ed526e8 100644
--- a/spec/models/guest_spec.rb
+++ b/spec/models/guest_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/models/seat_spec.rb b/spec/models/seat_spec.rb
index 40e63f2..da5c17f 100644
--- a/spec/models/seat_spec.rb
+++ b/spec/models/seat_spec.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/models/tables_arrangement_spec.rb b/spec/models/tables_arrangement_spec.rb
index 493318c..b216b18 100644
--- a/spec/models/tables_arrangement_spec.rb
+++ b/spec/models/tables_arrangement_spec.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index ae1be79..9f69608 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/models/wedding_spec.rb b/spec/models/wedding_spec.rb
index 84db4f1..735255d 100644
--- a/spec/models/wedding_spec.rb
+++ b/spec/models/wedding_spec.rb
@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Manuel Bustillo
 
-# Copyright (C) 2024 Manuel Bustillo
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
 
 # frozen_string_literal: true
 
diff --git a/spec/queries/expenses/total_query_spec.rb b/spec/queries/expenses/total_query_spec.rb
index 7847abe..e3f16c4 100644
--- a/spec/queries/expenses/total_query_spec.rb
+++ b/spec/queries/expenses/total_query_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/queries/groups/summary_query_spec.rb b/spec/queries/groups/summary_query_spec.rb
index 1ef1a33..cb3b7fe 100644
--- a/spec/queries/groups/summary_query_spec.rb
+++ b/spec/queries/groups/summary_query_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 7058316..653bbf9 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This file is copied to spec/ when you run 'rails generate rspec:install'
diff --git a/spec/requests/affinities_spec.rb b/spec/requests/affinities_spec.rb
index a236160..3a39c0c 100644
--- a/spec/requests/affinities_spec.rb
+++ b/spec/requests/affinities_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/captcha_spec.rb b/spec/requests/captcha_spec.rb
index 17dc9bf..e1f2fea 100644
--- a/spec/requests/captcha_spec.rb
+++ b/spec/requests/captcha_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/expenses_spec.rb b/spec/requests/expenses_spec.rb
index 557f2e3..e6defe4 100644
--- a/spec/requests/expenses_spec.rb
+++ b/spec/requests/expenses_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/groups_spec.rb b/spec/requests/groups_spec.rb
index 30c512e..49d121b 100644
--- a/spec/requests/groups_spec.rb
+++ b/spec/requests/groups_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/guests_spec.rb b/spec/requests/guests_spec.rb
index 1ef80d4..40a6686 100644
--- a/spec/requests/guests_spec.rb
+++ b/spec/requests/guests_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/schemas.rb b/spec/requests/schemas.rb
index ee914b3..3fd49f2 100644
--- a/spec/requests/schemas.rb
+++ b/spec/requests/schemas.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module Swagger
diff --git a/spec/requests/summary_spec.rb b/spec/requests/summary_spec.rb
index f39ab7a..3dc6ac0 100644
--- a/spec/requests/summary_spec.rb
+++ b/spec/requests/summary_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/tables_arrangements_spec.rb b/spec/requests/tables_arrangements_spec.rb
index 34c686f..cf48cac 100644
--- a/spec/requests/tables_arrangements_spec.rb
+++ b/spec/requests/tables_arrangements_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/tokens_spec.rb b/spec/requests/tokens_spec.rb
index 406e041..b5b9cf7 100644
--- a/spec/requests/tokens_spec.rb
+++ b/spec/requests/tokens_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/users/confirmations_spec.rb b/spec/requests/users/confirmations_spec.rb
index 8628683..d76d53a 100644
--- a/spec/requests/users/confirmations_spec.rb
+++ b/spec/requests/users/confirmations_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/users/registrations_spec.rb b/spec/requests/users/registrations_spec.rb
index f1dd82c..064d28e 100644
--- a/spec/requests/users/registrations_spec.rb
+++ b/spec/requests/users/registrations_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/requests/users/sessions_spec.rb b/spec/requests/users/sessions_spec.rb
index 775f56c..61c2662 100644
--- a/spec/requests/users/sessions_spec.rb
+++ b/spec/requests/users/sessions_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'swagger_helper'
diff --git a/spec/services/tables/discomfort_calculator_spec.rb b/spec/services/tables/discomfort_calculator_spec.rb
index 3851bbf..81633d7 100644
--- a/spec/services/tables/discomfort_calculator_spec.rb
+++ b/spec/services/tables/discomfort_calculator_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/services/tables/distribution_spec.rb b/spec/services/tables/distribution_spec.rb
index d22b817..a427f40 100644
--- a/spec/services/tables/distribution_spec.rb
+++ b/spec/services/tables/distribution_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/services/tables/shift_spec.rb b/spec/services/tables/shift_spec.rb
index 590d62b..67a4d5d 100644
--- a/spec/services/tables/shift_spec.rb
+++ b/spec/services/tables/shift_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/services/tables/swap_spec.rb b/spec/services/tables/swap_spec.rb
index 94ccced..ae9e974 100644
--- a/spec/services/tables/swap_spec.rb
+++ b/spec/services/tables/swap_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/services/vns/engine_spec.rb b/spec/services/vns/engine_spec.rb
index e3f379c..c8d489d 100644
--- a/spec/services/vns/engine_spec.rb
+++ b/spec/services/vns/engine_spec.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 2aa37f6..f5a5a59 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 # This file was generated by the `rails generate rspec:install` command. Conventionally, all
diff --git a/spec/swagger_helper.rb b/spec/swagger_helper.rb
index 2c53057..bbf6c7f 100644
--- a/spec/swagger_helper.rb
+++ b/spec/swagger_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 require 'rails_helper'
diff --git a/spec/swagger_response_helper.rb b/spec/swagger_response_helper.rb
index b3f3e0b..c13d8a8 100644
--- a/spec/swagger_response_helper.rb
+++ b/spec/swagger_response_helper.rb
@@ -1,5 +1,7 @@
 # Copyright (C) 2024 Manuel Bustillo
 
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
 # frozen_string_literal: true
 
 module SwaggerResponseHelper