.ruby-version

@@ -1 +1 @@
-ruby-3.2.0
+ruby-3.3.4

Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-ruby "3.2.0"
+ruby "3.3.4"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem "rails", "~> 7.1.3", ">= 7.1.3.2"

Gemfile.lock

@@ -289,7 +289,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.2.0p0
+   ruby 3.3.4p94
 
 BUNDLED WITH
-   2.5.6
+   2.5.17

app/controllers/tables_arrangements_controller.rb

@@ -5,6 +5,8 @@ class TablesArrangementsController < ApplicationController
 
   def show
     @tables_arrangement = TablesArrangement.find(params[:id])
-    @seats = @tables_arrangement.seats.includes(:guest).group_by(&:table_number)
+    @seats = @tables_arrangement.seats
+                                .includes(guest: %i[affinity_groups unbreakable_bonds])
+                                .group_by(&:table_number)
   end
 end

app/views/tables_arrangements/show.html.erb

@@ -10,7 +10,7 @@
 
   <ul>
     <% seats.each do |seat| %>
-      <li><%= seat.guest.full_name %></li>
+      <li><%= seat.guest.full_name %> (<%= seat.guest.affinity_groups.pluck(:name).join(", ") %>)</li>
     <% end %>
   </ul>
 <% end %>