diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index b026f6180..9de0e18d9 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -6,51 +6,12 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 4
-Capybara/RSpec/NegationMatcherAfterVisit:
-  Exclude:
-    - 'spec/features/member_portal_spec.rb'
-    - 'spec/support/shared_examples/behaves_like_an_invitation_route.rb'
-    - 'spec/support/shared_examples/behaves_link_member_viewing_workshop.rb'
-
-# Offense count: 1
-Capybara/RSpec/VisibilityMatcher:
-  Exclude:
-    - 'spec/components/chapters_sidebar_component_spec.rb'
-
-# Offense count: 2
-# This cop supports unsafe autocorrection (--autocorrect-all).
-# Configuration parameters: AllowSafeAssignment.
-Lint/AssignmentInCondition:
-  Exclude:
-    - 'app/controllers/application_controller.rb'
-    - 'app/models/feedback.rb'
-
-# Offense count: 1
-# Configuration parameters: AllowedMethods.
-# AllowedMethods: enums
-Lint/ConstantDefinitionInBlock:
-  Exclude:
-    - 'lib/tasks/setup.rake'
-
 # Offense count: 1
 # Configuration parameters: DebuggerMethods, DebuggerRequires.
 Lint/Debugger:
   Exclude:
     - 'spec/spec_helper.rb'
 
-# Offense count: 1
-# Configuration parameters: AllowedParentClasses.
-Lint/MissingSuper:
-  Exclude:
-    - 'app/components/event_card_component.rb'
-
-# Offense count: 1
-# Configuration parameters: AllowKeywordBlockArguments.
-Lint/UnderscorePrefixedVariableName:
-  Exclude:
-    - 'spec/models/group_spec.rb'
-
 # Offense count: 32
 # Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes, Max.
 Metrics/AbcSize:
@@ -147,22 +108,6 @@ Metrics/PerceivedComplexity:
     - 'app/services/invitation_manager.rb'
     - 'lib/omniauth/strategies/codebar.rb'
 
-# Offense count: 6
-Naming/AccessorMethodName:
-  Exclude:
-    - 'app/controllers/admin/events_controller.rb'
-    - 'app/controllers/admin/meetings_controller.rb'
-    - 'app/controllers/admin/workshops_controller.rb'
-    - 'app/controllers/feedback_controller.rb'
-
-# Offense count: 1
-# Configuration parameters: EnforcedStyle, AllowedPatterns, ForbiddenIdentifiers, ForbiddenPatterns.
-# SupportedStyles: snake_case, camelCase
-# ForbiddenIdentifiers: __id__, __send__
-Naming/MethodName:
-  Exclude:
-    - 'app/models/member.rb'
-
 # Offense count: 10
 # Configuration parameters: NamePrefix, ForbiddenPrefixes, AllowedMethods, MethodDefinitionMacros, UseSorbetSigs.
 # NamePrefix: is_, has_, have_, does_
@@ -172,7 +117,6 @@ Naming/MethodName:
 Naming/PredicatePrefix:
   Exclude:
     - 'app/controllers/application_controller.rb'
-    - 'app/models/member.rb'
     - 'app/models/workshop.rb'
     - 'app/policies/application_policy.rb'
     - 'app/policies/chapter_policy.rb'
@@ -182,23 +126,8 @@ Naming/PredicatePrefix:
 # Offense count: 2
 RSpec/AnyInstance:
   Exclude:
-    - 'spec/controllers/member/details_controller_spec.rb'
     - 'spec/support/helpers/login_helpers.rb'
 
-# Offense count: 1
-# Configuration parameters: Max, CountAsOne.
-RSpec/ExampleLength:
-  Exclude:
-    - 'spec/features/admin/event_spec.rb'
-
-# Offense count: 3
-# Configuration parameters: Max.
-RSpec/MultipleExpectations:
-  Exclude:
-    - 'spec/features/admin/event_spec.rb'
-    - 'spec/features/admin/sponsor_spec.rb'
-    - 'spec/lib/omniauth/strategies/codebar_spec.rb'
-
 # Offense count: 5
 Rails/HasAndBelongsToMany:
   Exclude:
diff --git a/app/components/event_card_component.rb b/app/components/event_card_component.rb
index 8bcbbad1b..1bbed31a1 100644
--- a/app/components/event_card_component.rb
+++ b/app/components/event_card_component.rb
@@ -1,5 +1,6 @@
 class EventCardComponent < ViewComponent::Base
   def initialize(event_card:, user: nil)
+    super()
     @event = event_card
     @user = user
   end
diff --git a/app/controllers/admin/events_controller.rb b/app/controllers/admin/events_controller.rb
index eab8cdb58..918558c6f 100644
--- a/app/controllers/admin/events_controller.rb
+++ b/app/controllers/admin/events_controller.rb
@@ -8,7 +8,7 @@ def new
 
   def create
     @event = Event.new(event_params)
-    set_organisers(organiser_ids)
+    assign_organisers(organiser_ids)
 
     if @event.save
       redirect_to [:admin, @event], notice: 'Event successfully created.'
@@ -31,7 +31,7 @@ def show
   end
 
   def update
-    set_organisers(organiser_ids)
+    assign_organisers(organiser_ids)
 
     if @event.update(event_params)
       redirect_to [:admin, @event], notice: 'You have just updated the event'
@@ -94,7 +94,7 @@ def grant_organiser_access(organiser_ids = [])
     organiser_ids.each { |id| Member.find(id).add_role(:organiser, @event) }
   end
 
-  def set_organisers(organiser_ids)
+  def assign_organisers(organiser_ids)
     organiser_ids.reject!(&:empty?)
     grant_organiser_access(organiser_ids)
     revoke_organiser_access(organiser_ids)
diff --git a/app/controllers/admin/meetings_controller.rb b/app/controllers/admin/meetings_controller.rb
index 17e8eff5c..5d66687ac 100644
--- a/app/controllers/admin/meetings_controller.rb
+++ b/app/controllers/admin/meetings_controller.rb
@@ -9,8 +9,8 @@ def create
     @meeting = Meeting.new(meeting_params)
 
     if @meeting.save
-      set_organisers(organiser_ids)
-      set_chapters(chapter_ids)
+      assign_organisers(organiser_ids)
+      assign_chapters(chapter_ids)
       redirect_to [:admin, @meeting], notice: t('admin.messages.meeting.created')
     else
       flash[:notice] = @meeting.errors.full_messages.join(', ')
@@ -27,8 +27,8 @@ def show
   def edit; end
 
   def update
-    set_organisers(organiser_ids)
-    set_chapters(chapter_ids)
+    assign_organisers(organiser_ids)
+    assign_chapters(chapter_ids)
 
     if @meeting.update(meeting_params)
       redirect_to [:admin, @meeting], notice: t('admin.messages.meeting.updated')
@@ -86,13 +86,13 @@ def revoke_organiser_access(organiser_ids)
     end
   end
 
-  def set_organisers(organiser_ids)
+  def assign_organisers(organiser_ids)
     organiser_ids.reject!(&:empty?)
     grant_organiser_access(organiser_ids)
     revoke_organiser_access(organiser_ids)
   end
 
-  def set_chapters(chapter_ids)
+  def assign_chapters(chapter_ids)
     chapter_ids.reject!(&:empty?)
     @meeting.chapters = chapter_ids.map { |id| Chapter.find(id) }
   end
diff --git a/app/controllers/admin/workshops_controller.rb b/app/controllers/admin/workshops_controller.rb
index c72a01633..d92f353b0 100644
--- a/app/controllers/admin/workshops_controller.rb
+++ b/app/controllers/admin/workshops_controller.rb
@@ -24,7 +24,7 @@ def create
 
     if workshop_type_valid? && @workshop.save
       grant_organiser_access(@workshop.chapter.organisers.pluck(:id))
-      set_host(host_id)
+      assign_host(host_id)
 
       redirect_to admin_workshop_path(@workshop), notice: I18n.t('admin.messages.workshop.created')
     else
@@ -144,7 +144,7 @@ def workshop_id
     params.permit(:workshop_id)[:workshop_id]
   end
 
-  def set_host(host_id)
+  def assign_host(host_id)
     return unless host_id
 
     host = @workshop.workshop_sponsors.find_or_initialize_by(sponsor_id: host_id)
@@ -154,7 +154,7 @@ def set_host(host_id)
     host.update(host: true)
   end
 
-  def set_organisers(organiser_ids)
+  def assign_organisers(organiser_ids)
     organiser_ids.reject!(&:empty?)
     grant_organiser_access(organiser_ids)
     revoke_organiser_access(organiser_ids)
@@ -199,7 +199,7 @@ def workshop_type_valid?
   end
 
   def update_workshop_details
-    set_organisers(organiser_ids)
-    set_host(host_id)
+    assign_organisers(organiser_ids)
+    assign_host(host_id)
   end
 end
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 59bc8881c..dbbb5b83b 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -169,7 +169,8 @@ def chapters
   end
 
   def redirect_back(fallback_location:, **args)
-    if referer = request.headers['Referer']
+    referer = request.headers['Referer']
+    if referer
       redirect_to referer, **args
     else
       redirect_to fallback_location, **args
diff --git a/app/controllers/feedback_controller.rb b/app/controllers/feedback_controller.rb
index 15988ad8f..e9992a82b 100644
--- a/app/controllers/feedback_controller.rb
+++ b/app/controllers/feedback_controller.rb
@@ -9,7 +9,7 @@ def show
       return redirect_to root_path
     end
 
-    set_coaches(feedback_request.workshop)
+    assign_coaches(feedback_request.workshop)
 
     @workshop = feedback_request.workshop
     @feedback = Feedback.new
@@ -22,7 +22,7 @@ def submit
       redirect_to root_path
     else
       feedback_request = FeedbackRequest.find_by!(token: params[:id], submited: false)
-      set_coaches(feedback_request.workshop)
+      assign_coaches(feedback_request.workshop)
 
       @workshop = feedback_request.workshop
       @feedback = Feedback.new(feedback_params)
@@ -39,7 +39,7 @@ def feedback_params
     params.expect(feedback: %i[coach_id tutorial_id request rating suggestions])
   end
 
-  def set_coaches(workshop)
+  def assign_coaches(workshop)
     @coaches = workshop.invitations.to_coaches.accepted_or_attended
                        .order(Arel.sql('attended DESC NULLS LAST'))
                        .map(&:member)
diff --git a/app/controllers/workshop_invitation_controller.rb b/app/controllers/workshop_invitation_controller.rb
index a1f784de1..1e9312558 100644
--- a/app/controllers/workshop_invitation_controller.rb
+++ b/app/controllers/workshop_invitation_controller.rb
@@ -29,7 +29,7 @@ def accept
     return back_with_message(t('messages.already_rsvped')) if @invitation.attending?
     return back_with_message(t('messages.invitations.closed')) unless workshop.rsvp_available?
 
-    if user.has_existing_RSVP_on(workshop.date_and_time)
+    if user.existing_rsvp_on?(workshop.date_and_time)
       return back_with_message(t('messages.invitations.rsvped_to_other_workshop'))
     end
 
diff --git a/app/models/feedback.rb b/app/models/feedback.rb
index d2cd52693..dd99f6bce 100644
--- a/app/models/feedback.rb
+++ b/app/models/feedback.rb
@@ -8,7 +8,8 @@ class Feedback < ApplicationRecord
   validates :tutorial, presence: true
 
   def self.submit_feedback(params, token)
-    return false unless feedback_request = FeedbackRequest.find_by(token: token)
+    feedback_request = FeedbackRequest.find_by(token: token)
+    return false unless feedback_request
 
     feedback = Feedback.new(params)
     feedback.workshop = feedback_request.workshop
diff --git a/app/models/member.rb b/app/models/member.rb
index 72fa23e44..860a39bc7 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -126,7 +126,7 @@ def requires_additional_details?
     can_log_in? && !valid?
   end
 
-  def has_existing_RSVP_on(date)
+  def existing_rsvp_on?(date)
     invitations_on(date).any?
   end
 
diff --git a/lib/tasks/setup.rake b/lib/tasks/setup.rake
index fd887a223..db71f5898 100644
--- a/lib/tasks/setup.rake
+++ b/lib/tasks/setup.rake
@@ -1,231 +1,231 @@
 # frozen_string_literal: true
 
-namespace :setup do
-  desc 'Inspect your local development environment and report what is missing or misconfigured'
-  task check: :environment do
-    checker = SetupChecker.new
-    checker.run
-    exit(checker.all_ok? ? 0 : 1)
+class SetupChecker
+  CHECKS = %i[
+    check_ruby_version
+    check_bundler
+    check_mise
+    check_postgresql
+    check_imagemagick
+    check_github_credentials
+    check_bundle
+    check_database_connection
+    check_database_exists
+    check_database_migrated
+    check_test_database
+  ].freeze
+
+  def initialize
+    @results = []
+    @expected_ruby = File.read('.ruby-version').strip
   end
 
-  class SetupChecker
-    CHECKS = %i[
-      check_ruby_version
-      check_bundler
-      check_mise
-      check_postgresql
-      check_imagemagick
-      check_github_credentials
-      check_bundle
-      check_database_connection
-      check_database_exists
-      check_database_migrated
-      check_test_database
-    ].freeze
-
-    def initialize
-      @results = []
-      @expected_ruby = File.read('.ruby-version').strip
-    end
+  def run
+    puts
+    puts '== codebar planner setup check =='
+    puts
+    puts 'This command inspects your local development environment and reports'
+    puts 'anything that needs attention before you can run the application.'
+    puts
 
-    def run
-      puts
-      puts '== codebar planner setup check =='
-      puts
-      puts 'This command inspects your local development environment and reports'
-      puts 'anything that needs attention before you can run the application.'
-      puts
+    CHECKS.each { |check| send(check) }
 
-      CHECKS.each { |check| send(check) }
+    print_summary
+  end
 
-      print_summary
-    end
+  def all_ok?
+    @results.none? { |r| r[:status] == :error }
+  end
 
-    def all_ok?
-      @results.none? { |r| r[:status] == :error }
-    end
+  private
 
-    private
+  def ok(title, message)
+    @results << { status: :ok, title:, message: }
+    puts "  ✅  #{title}: #{message}"
+  end
 
-    def ok(title, message)
-      @results << { status: :ok, title:, message: }
-      puts "  ✅  #{title}: #{message}"
-    end
+  def warn(title, message, fix)
+    @results << { status: :warn, title:, message:, fix: }
+    puts "  ⚠️  #{title}: #{message}"
+    puts "      → #{fix}"
+  end
 
-    def warn(title, message, fix)
-      @results << { status: :warn, title:, message:, fix: }
-      puts "  ⚠️  #{title}: #{message}"
-      puts "      → #{fix}"
-    end
+  def error(title, message, fix)
+    @results << { status: :error, title:, message:, fix: }
+    puts "  ❌  #{title}: #{message}"
+    puts "      → #{fix}"
+  end
 
-    def error(title, message, fix)
-      @results << { status: :error, title:, message:, fix: }
-      puts "  ❌  #{title}: #{message}"
-      puts "      → #{fix}"
+  def check_ruby_version
+    current = RUBY_VERSION
+    if current == @expected_ruby
+      ok('Ruby version', "#{current} (matches .ruby-version)")
+    else
+      error('Ruby version', "#{current} (expected #{@expected_ruby})",
+            "Install Ruby #{@expected_ruby}. See docs/development-setup.md for options.")
     end
+  end
 
-    def check_ruby_version
-      current = RUBY_VERSION
-      if current == @expected_ruby
-        ok('Ruby version', "#{current} (matches .ruby-version)")
-      else
-        error('Ruby version', "#{current} (expected #{@expected_ruby})",
-              "Install Ruby #{@expected_ruby}. See docs/development-setup.md for options.")
-      end
+  def check_bundler
+    if system('which bundle > /dev/null 2>&1')
+      ok('Bundler', 'installed')
+    else
+      error('Bundler', 'not found',
+            'Run: gem install bundler')
     end
+  end
 
-    def check_bundler
-      if system('which bundle > /dev/null 2>&1')
-        ok('Bundler', 'installed')
-      else
-        error('Bundler', 'not found',
-              'Run: gem install bundler')
-      end
+  def check_mise
+    if system('which mise > /dev/null 2>&1')
+      ok('mise', 'installed')
+    else
+      warn('mise', 'not found',
+           'Optional but recommended. Install: brew install mise (macOS) or see https://mise.jdx.dev')
     end
+  end
 
-    def check_mise
-      if system('which mise > /dev/null 2>&1')
-        ok('mise', 'installed')
-      else
-        warn('mise', 'not found',
-             'Optional but recommended. Install: brew install mise (macOS) or see https://mise.jdx.dev')
-      end
+  def check_postgresql
+    unless system('which psql > /dev/null 2>&1')
+      error('PostgreSQL', 'psql not found',
+            'Install: brew install postgresql && brew services start postgresql (macOS)' \
+            ' or see docs/development-setup.md')
+      return
+    end
+
+    # Check if postgres is accepting connections
+    db_config = ActiveRecord::Base.connection_db_config.configuration_hash
+    host = db_config[:host] || 'localhost'
+    port = db_config[:port] || 5432
+    user = db_config[:username] || ENV['USER']
+    password = db_config[:password]
+
+    env = password ? { 'PGPASSWORD' => password } : {}
+    cmd = "PGPASSWORD=#{password} psql -h #{host} -p #{port} -U #{user} -c 'SELECT 1' > /dev/null 2>&1"
+    if system(env, cmd)
+      ok('PostgreSQL', "running and accepting connections on #{host}:#{port}")
+    else
+      error('PostgreSQL', "not accepting connections on #{host}:#{port}",
+            'Start PostgreSQL: brew services start postgresql (macOS).' \
+            ' Check credentials in config/database.yml or env vars.')
     end
+  end
 
-    def check_postgresql
-      unless system('which psql > /dev/null 2>&1')
-        error('PostgreSQL', 'psql not found',
-              'Install: brew install postgresql && brew services start postgresql (macOS)' \
-              ' or see docs/development-setup.md')
-        return
-      end
-
-      # Check if postgres is accepting connections
-      db_config = ActiveRecord::Base.connection_db_config.configuration_hash
-      host = db_config[:host] || 'localhost'
-      port = db_config[:port] || 5432
-      user = db_config[:username] || ENV['USER']
-      password = db_config[:password]
-
-      env = password ? { 'PGPASSWORD' => password } : {}
-      cmd = "PGPASSWORD=#{password} psql -h #{host} -p #{port} -U #{user} -c 'SELECT 1' > /dev/null 2>&1"
-      if system(env, cmd)
-        ok('PostgreSQL', "running and accepting connections on #{host}:#{port}")
-      else
-        error('PostgreSQL', "not accepting connections on #{host}:#{port}",
-              'Start PostgreSQL: brew services start postgresql (macOS).' \
-              ' Check credentials in config/database.yml or env vars.')
-      end
+  def check_imagemagick
+    if system('which convert > /dev/null 2>&1')
+      ok('ImageMagick', 'installed')
+    else
+      error('ImageMagick', 'not found (convert command missing)',
+            'Install: brew install imagemagick (macOS) or see docs/development-setup.md')
     end
+  end
 
-    def check_imagemagick
-      if system('which convert > /dev/null 2>&1')
-        ok('ImageMagick', 'installed')
-      else
-        error('ImageMagick', 'not found (convert command missing)',
-              'Install: brew install imagemagick (macOS) or see docs/development-setup.md')
-      end
+  def check_github_credentials
+    unless File.exist?('mise.local.toml')
+      error('GitHub OAuth', 'mise.local.toml not found',
+            'Copy: cp mise.local.toml.example mise.local.toml, then edit with your GitHub app credentials.')
+      return
     end
 
-    def check_github_credentials
-      unless File.exist?('mise.local.toml')
-        error('GitHub OAuth', 'mise.local.toml not found',
-              'Copy: cp mise.local.toml.example mise.local.toml, then edit with your GitHub app credentials.')
-        return
-      end
+    content = File.read('mise.local.toml')
+    if content.include?('your_github_oauth') || content.include?('your_') || content.include?('fill_in')
+      error('GitHub OAuth', 'mise.local.toml contains placeholder values',
+            'Edit mise.local.toml with real GITHUB_KEY and GITHUB_SECRET from your GitHub OAuth app.')
+    else
+      ok('GitHub OAuth', 'mise.local.toml configured')
+    end
+  end
 
-      content = File.read('mise.local.toml')
-      if content.include?('your_github_oauth') || content.include?('your_') || content.include?('fill_in')
-        error('GitHub OAuth', 'mise.local.toml contains placeholder values',
-              'Edit mise.local.toml with real GITHUB_KEY and GITHUB_SECRET from your GitHub OAuth app.')
-      else
-        ok('GitHub OAuth', 'mise.local.toml configured')
-      end
+  def check_bundle
+    if system('bundle check > /dev/null 2>&1')
+      ok('Ruby dependencies', 'all gems installed')
+    else
+      error('Ruby dependencies', 'missing gems',
+            'Run: bundle install')
     end
+  end
+
+  def check_database_connection
+      ActiveRecord::Base.connection.execute('SELECT 1')
+      ok('Database connection', 'can connect to PostgreSQL')
+  rescue StandardError => e
+      error('Database connection', "cannot connect (#{e.class}: #{e.message})",
+            'Check PostgreSQL is running and credentials in config/database.yml are correct.')
+  end
 
-    def check_bundle
-      if system('bundle check > /dev/null 2>&1')
-        ok('Ruby dependencies', 'all gems installed')
+  def check_database_exists
+      ActiveRecord::Base.connection.execute('SELECT 1')
+      if ActiveRecord::Base.connection.execute("SELECT 1 FROM pg_database WHERE datname = 'planner_development'").any?
+        ok('Development database', 'planner_development exists')
       else
-        error('Ruby dependencies', 'missing gems',
-              'Run: bundle install')
+        error('Development database', 'planner_development does not exist',
+              'Run: bundle exec rake db:create')
       end
-    end
-
-    def check_database_connection
-        ActiveRecord::Base.connection.execute('SELECT 1')
-        ok('Database connection', 'can connect to PostgreSQL')
-    rescue StandardError => e
-        error('Database connection', "cannot connect (#{e.class}: #{e.message})",
-              'Check PostgreSQL is running and credentials in config/database.yml are correct.')
-    end
+  rescue StandardError => e
+      error('Development database', "cannot check (#{e.class}: #{e.message})",
+            'Run: bundle exec rake db:create')
+  end
 
-    def check_database_exists
-        ActiveRecord::Base.connection.execute('SELECT 1')
-        if ActiveRecord::Base.connection.execute("SELECT 1 FROM pg_database WHERE datname = 'planner_development'").any?
-          ok('Development database', 'planner_development exists')
+  def check_database_migrated
+      if ActiveRecord::Base.connection.execute('SELECT 1 FROM schema_migrations LIMIT 1')
+        latest = ActiveRecord::Base.connection.execute(
+          'SELECT version FROM schema_migrations ORDER BY version DESC LIMIT 1'
+        ).first
+        if latest
+          ok('Database migrations', "up to date (latest: #{latest['version']})")
         else
-          error('Development database', 'planner_development does not exist',
-                'Run: bundle exec rake db:create')
+          error('Database migrations', 'no migrations found',
+                'Run: bundle exec rake db:migrate')
         end
-    rescue StandardError => e
-        error('Development database', "cannot check (#{e.class}: #{e.message})",
-              'Run: bundle exec rake db:create')
-    end
+      end
+  rescue StandardError => e
+      error('Database migrations', "cannot check (#{e.class}: #{e.message})",
+            'Run: bundle exec rake db:migrate')
+  end
 
-    def check_database_migrated
-        if ActiveRecord::Base.connection.execute('SELECT 1 FROM schema_migrations LIMIT 1')
-          latest = ActiveRecord::Base.connection.execute(
-            'SELECT version FROM schema_migrations ORDER BY version DESC LIMIT 1'
-          ).first
-          if latest
-            ok('Database migrations', "up to date (latest: #{latest['version']})")
-          else
-            error('Database migrations', 'no migrations found',
-                  'Run: bundle exec rake db:migrate')
-          end
-        end
-    rescue StandardError => e
-        error('Database migrations', "cannot check (#{e.class}: #{e.message})",
-              'Run: bundle exec rake db:migrate')
+  def check_test_database
+    db_config = Rails.configuration.database_configuration['test']
+    host = db_config['host'] || 'localhost'
+    port = db_config['port'] || 5432
+    user = db_config['username'] || ENV['USER']
+    password = db_config['password']
+    database = db_config['database']
+
+    env = password ? { 'PGPASSWORD' => password } : {}
+    cmd = "PGPASSWORD=#{password} psql -h #{host} -p #{port} -U #{user} -c 'SELECT 1' #{database} > /dev/null 2>&1"
+    if system(env, cmd)
+      ok('Test database', "#{database} exists and is accessible")
+    else
+      error('Test database', "#{database} missing or not accessible",
+            'Run: bundle exec rake db:test:prepare')
     end
+  end
 
-    def check_test_database
-      db_config = Rails.configuration.database_configuration['test']
-      host = db_config['host'] || 'localhost'
-      port = db_config['port'] || 5432
-      user = db_config['username'] || ENV['USER']
-      password = db_config['password']
-      database = db_config['database']
-
-      env = password ? { 'PGPASSWORD' => password } : {}
-      cmd = "PGPASSWORD=#{password} psql -h #{host} -p #{port} -U #{user} -c 'SELECT 1' #{database} > /dev/null 2>&1"
-      if system(env, cmd)
-        ok('Test database', "#{database} exists and is accessible")
-      else
-        error('Test database', "#{database} missing or not accessible",
-              'Run: bundle exec rake db:test:prepare')
-      end
-    end
+  def print_summary
+    puts
+    errors = @results.count { |r| r[:status] == :error }
+    warnings = @results.count { |r| r[:status] == :warn }
 
-    def print_summary
+    if errors.zero? && warnings.zero?
+      puts '✅ All checks passed! Your environment is ready for development.'
       puts
-      errors = @results.count { |r| r[:status] == :error }
-      warnings = @results.count { |r| r[:status] == :warn }
-
-      if errors.zero? && warnings.zero?
-        puts '✅ All checks passed! Your environment is ready for development.'
-        puts
-        puts 'Next steps:'
-        puts '  bundle exec rails server       # Start the app'
-        puts '  bundle exec rspec              # Run the test suite'
-        puts '  bundle exec rake db:seed       # (Optional) Add sample data'
-      elsif errors.zero?
-        puts "⚠️  #{warnings} warning(s). You can probably start developing, but review the warnings above."
-      else
-        puts "❌  #{errors} error(s) and #{warnings} warning(s) need attention before you can start developing."
-      end
-      puts
-    end
+      puts 'Next steps:'
+      puts '  bundle exec rails server       # Start the app'
+      puts '  bundle exec rspec              # Run the test suite'
+      puts '  bundle exec rake db:seed       # (Optional) Add sample data'
+    elsif errors.zero?
+      puts "⚠️  #{warnings} warning(s). You can probably start developing, but review the warnings above."
+    else
+      puts "❌  #{errors} error(s) and #{warnings} warning(s) need attention before you can start developing."
+    end
+    puts
+  end
+end
+
+namespace :setup do
+  desc 'Inspect your local development environment and report what is missing or misconfigured'
+  task check: :environment do
+    checker = SetupChecker.new
+    checker.run
+    exit(checker.all_ok? ? 0 : 1)
   end
 end
diff --git a/spec/components/chapters_sidebar_component_spec.rb b/spec/components/chapters_sidebar_component_spec.rb
index 2ac4a5e95..73bb65e5a 100644
--- a/spec/components/chapters_sidebar_component_spec.rb
+++ b/spec/components/chapters_sidebar_component_spec.rb
@@ -18,7 +18,7 @@
   it 'renders nothing when no chapters' do
     render_inline described_class.new(chapters: [])
 
-    expect(page).to have_css('ul.list-unstyled.ms-0', visible: true)
+    expect(page).to have_css('ul.list-unstyled.ms-0', visible: :visible)
     expect(page).to have_no_css('li')
   end
 end
diff --git a/spec/controllers/member/details_controller_spec.rb b/spec/controllers/member/details_controller_spec.rb
index 10b98a639..bb06347f6 100644
--- a/spec/controllers/member/details_controller_spec.rb
+++ b/spec/controllers/member/details_controller_spec.rb
@@ -1,10 +1,12 @@
 RSpec.describe Member::DetailsController do
   render_views
   let(:member) { Fabricate(:member) }
+  let(:mailing_list) { instance_double(Services::MailingList) }
 
   before do
     allow(controller).to receive(:current_user).and_return(member)
-    allow_any_instance_of(Services::MailingList).to receive(:subscribe).and_return(true)
+    allow(Services::MailingList).to receive(:new).and_return(mailing_list)
+    allow(mailing_list).to receive_messages(subscribe: true, unsubscribe: true)
   end
 
   describe 'PATCH #update' do
diff --git a/spec/features/admin/event_spec.rb b/spec/features/admin/event_spec.rb
index 2c0587a03..5e317d647 100644
--- a/spec/features/admin/event_spec.rb
+++ b/spec/features/admin/event_spec.rb
@@ -2,6 +2,21 @@
   let(:member) { Fabricate(:member) }
   let(:chapter) { Fabricate(:chapter) }
 
+  def fill_in_mandatory_event_fields(name:, slug:, description:, date:, sponsor:)
+    fill_in 'Event Name', with: name
+    fill_in 'Slug', with: slug
+    fill_in 'Date', with: date
+    fill_in 'Starts at', with: '16:00'
+    fill_in 'Ends at', with: '18:00'
+    fill_in 'Description', with: description
+    fill_in 'RSVP instructions', with: 'Some instructions'
+    fill_in 'Schedule', with: '9:00 Sign up & breakfast <br/> 9:30 kick off'
+    fill_in 'Coach spaces', with: '19'
+    fill_in 'Student spaces', with: '25'
+    select sponsor.name, from: 'Venue'
+    click_on 'Save'
+  end
+
   describe 'an authorised member' do
     before do
       member.add_role(:organiser, chapter)
@@ -14,31 +29,22 @@
         date = Time.zone.today + 2.days
         visit new_admin_event_path
 
-        fill_in 'Event Name', with: 'A test event'
-        fill_in 'Slug', with: 'a-test-event'
-        fill_in 'Date', with: date
-        fill_in 'Starts at', with: '16:00'
-        fill_in 'Ends at', with: '18:00'
-        fill_in 'Description', with: 'A test event description'
-        fill_in 'RSVP instructions', with: 'Some instructions'
-        fill_in 'Schedule', with: '9:00 Sign up & breakfast <br/> 9:30 kick off'
-        fill_in 'Coach spaces', with: '19'
-        fill_in 'Student spaces', with: '25'
-        select sponsor.name, from: 'Venue'
-        click_on 'Save'
-
-        expect(page).to have_text('Event successfully created')
+        fill_in_mandatory_event_fields(name: 'A test event', slug: 'a-test-event',
+                                       description: 'A test event description', date: date, sponsor: sponsor)
 
-        expect(page).to have_text('A test event')
-        expect(page).to have_text(humanize_date(date))
-        expect(page).to have_text('A test event description')
-        expect(page).to have_text('25 student spots, 19 coach spots')
-        expect(page).to have_text('9:00 Sign up & breakfast 9:30 kick off')
+        aggregate_failures do
+          expect(page).to have_text('Event successfully created')
+          expect(page).to have_text('A test event')
+          expect(page).to have_text(humanize_date(date))
+          expect(page).to have_text('A test event description')
+          expect(page).to have_text('25 student spots, 19 coach spots')
+          expect(page).to have_text('9:00 Sign up & breakfast 9:30 kick off')
 
-        within '#host' do
-          expect(page).to have_text sponsor.name
-          expect(page).to have_text sponsor.address.street
-          expect(page).to have_text sponsor.address.city
+          within '#host' do
+            expect(page).to have_text sponsor.name
+            expect(page).to have_text sponsor.address.street
+            expect(page).to have_text sponsor.address.city
+          end
         end
       end
     end
diff --git a/spec/features/admin/sponsor_spec.rb b/spec/features/admin/sponsor_spec.rb
index 7f5d3fd35..8ddcaa028 100644
--- a/spec/features/admin/sponsor_spec.rb
+++ b/spec/features/admin/sponsor_spec.rb
@@ -93,16 +93,18 @@
     end
 
     scenario 'displays all sponsor details' do
-      expect(page).to have_text(sponsor.name)
-      expect(page).to have_text(sponsor.description)
-      expect(page).to have_link(sponsor.website, href: sponsor.website)
-      expect(page).to have_text(sponsor.level)
-      expect(page).to have_text(ContactPresenter.new(sponsor.contacts.first).full_name)
-
-      expect(page).to have_text(sponsor.seats)
-      expect(page).to have_text(sponsor.coach_spots)
-      expect(page).to have_text(sponsor.accessibility_info)
-      expect(page).to have_text(sponsor.address.street)
+      aggregate_failures do
+        expect(page).to have_text(sponsor.name)
+        expect(page).to have_text(sponsor.description)
+        expect(page).to have_link(sponsor.website, href: sponsor.website)
+        expect(page).to have_text(sponsor.level)
+        expect(page).to have_text(ContactPresenter.new(sponsor.contacts.first).full_name)
+
+        expect(page).to have_text(sponsor.seats)
+        expect(page).to have_text(sponsor.coach_spots)
+        expect(page).to have_text(sponsor.accessibility_info)
+        expect(page).to have_text(sponsor.address.street)
+      end
     end
 
     context 'with sponsorships' do
diff --git a/spec/features/member_portal_spec.rb b/spec/features/member_portal_spec.rb
index a775e74bd..b22a652f0 100644
--- a/spec/features/member_portal_spec.rb
+++ b/spec/features/member_portal_spec.rb
@@ -86,6 +86,7 @@
     it 'can not access the member portal' do
       visit dashboard_path
 
+      expect(page).to have_current_path(root_path)
       expect(page).to have_no_css('#profile')
     end
 
@@ -93,6 +94,7 @@
       mock_github_auth
       visit profile_path
 
+      expect(page).to have_current_path(terms_and_conditions_path)
       expect(page).to have_no_css('#member_profile')
     end
   end
diff --git a/spec/lib/omniauth/strategies/codebar_spec.rb b/spec/lib/omniauth/strategies/codebar_spec.rb
index 21ddfaad9..44d78e563 100644
--- a/spec/lib/omniauth/strategies/codebar_spec.rb
+++ b/spec/lib/omniauth/strategies/codebar_spec.rb
@@ -47,18 +47,20 @@ def build_env(path, query: '', session: {})
       env = build_env('/auth/codebar')
       status, headers, _body = strategy.call(env)
 
-      expect(status).to eq(302)
-      expect(env['rack.session']['omniauth.codebar.state']).to be_present
-      expect(env['rack.session']['omniauth.codebar.code_verifier']).to be_present
-
-      location = headers['Location']
-      expect(location).to include('/api/auth/oauth2/authorize')
-      expect(location).to include('client_id=planner')
-      expect(location).to include('response_type=code')
-      expect(location).to include('code_challenge=')
-      expect(location).to include('code_challenge_method=S256')
-      expect(location).to include('scope=openid+profile+email')
-      expect(env['rack.session']['omniauth.codebar.redirect_uri']).to eq('http://localhost:3000/auth/codebar/callback')
+      aggregate_failures do
+        expect(status).to eq(302)
+        expect(env['rack.session']['omniauth.codebar.state']).to be_present
+        expect(env['rack.session']['omniauth.codebar.code_verifier']).to be_present
+
+        location = headers['Location']
+        expect(location).to include('/api/auth/oauth2/authorize')
+        expect(location).to include('client_id=planner')
+        expect(location).to include('response_type=code')
+        expect(location).to include('code_challenge=')
+        expect(location).to include('code_challenge_method=S256')
+        expect(location).to include('scope=openid+profile+email')
+        expect(env['rack.session']['omniauth.codebar.redirect_uri']).to eq('http://localhost:3000/auth/codebar/callback')
+      end
     end
 
     it 'generates unique state per request' do
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index 781922936..add457799 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -38,7 +38,7 @@
 
       member_old = Fabricate(:member, groups: [group])
       member_new = Fabricate(:member, groups: [group])
-      _member_no_rsvp = Fabricate(:member, groups: [group])
+      member_no_rsvp = Fabricate(:member, groups: [group])
 
       Fabricate(:workshop_invitation, workshop: old_workshop, member: member_old, attending: true)
       Fabricate(:workshop_invitation, workshop: new_workshop, member: member_new, attending: true)
@@ -46,7 +46,7 @@
       results = described_class.members_by_recent_rsvp(group).to_a
 
       expect(results.first).to eq(member_new)
-      expect(results.last).to eq(_member_no_rsvp)
+      expect(results.last).to eq(member_no_rsvp)
     end
   end
 end
diff --git a/spec/support/shared_examples/behaves_like_an_invitation_route.rb b/spec/support/shared_examples/behaves_like_an_invitation_route.rb
index 6ddde0f07..5f77ad930 100644
--- a/spec/support/shared_examples/behaves_like_an_invitation_route.rb
+++ b/spec/support/shared_examples/behaves_like_an_invitation_route.rb
@@ -34,8 +34,8 @@
         invitation.update(role: 'Student', attending: nil, tutorial: nil)
         visit accept_invitation_route
 
-        expect(page).to have_no_link 'I can no longer attend'
         expect(page).to have_text('Tutorial must be selected')
+        expect(page).to have_no_link 'I can no longer attend'
       end
 
       scenario 'a Coach must can RSVP diredctly' do
diff --git a/spec/support/shared_examples/behaves_link_member_viewing_workshop.rb b/spec/support/shared_examples/behaves_link_member_viewing_workshop.rb
index 90c1cd3ab..1422dda6c 100644
--- a/spec/support/shared_examples/behaves_link_member_viewing_workshop.rb
+++ b/spec/support/shared_examples/behaves_link_member_viewing_workshop.rb
@@ -15,6 +15,7 @@
       login(banned_member)
       visit workshop_path(workshop)
 
+      expect(page).to have_css('h1')
       expect(page).to have_no_button("Attend as a #{member_type.downcase}")
     end
   end