diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2b8f0c..02fcba6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,11 +13,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['3.1', '3.2', '3.3']
+        ruby: ['3.2', '3.3', '3.4']
         gemfile:
-          - rails_6_1
-          - rails_7
-          - rails_7_1
+          - rails_7_2
+          - rails_8_0
 
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
diff --git a/Appraisals b/Appraisals
index 86d5b26..33ef449 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,11 +1,7 @@
-appraise 'rails_6_1' do
-  gem 'rails', '~> 6.1'
+appraise 'rails_7_2' do
+  gem 'rails', '~> 7.2'
 end
 
-appraise 'rails_7' do
-  gem 'rails', '~> 7.0'
-end
-
-appraise 'rails_7_1' do
-  gem 'rails', '~> 7.1'
+appraise 'rails_8_0' do
+  gem 'rails', '~> 8.0'
 end
diff --git a/Gemfile b/Gemfile
index f78ed55..b4bccf4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,14 +3,14 @@ source 'https://rubygems.org'
 gemspec
 
 # Ruby 3.4?
-# gem 'base64'
-# gem 'mutex_m'
-# gem 'observer'
+gem 'base64'
+gem 'mutex_m'
+gem 'observer'
 
 gem "rails"
 
 group :development, :test do
-  gem 'sqlite3', '~> 1.4'
+  gem 'sqlite3', '> 1.4'
 end
 
 gem 'coveralls', '~> 0.8.23', require: false
diff --git a/gemfiles/rails_6_1.gemfile.lock b/gemfiles/rails_6_1.gemfile.lock
deleted file mode 100644
index 96da6d6..0000000
--- a/gemfiles/rails_6_1.gemfile.lock
+++ /dev/null
@@ -1,253 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    merit (4.0.3)
-      ambry (~> 1.0.0)
-      zeitwerk
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    actioncable (6.1.7.8)
-      actionpack (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      nio4r (~> 2.0)
-      websocket-driver (>= 0.6.1)
-    actionmailbox (6.1.7.8)
-      actionpack (= 6.1.7.8)
-      activejob (= 6.1.7.8)
-      activerecord (= 6.1.7.8)
-      activestorage (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      mail (>= 2.7.1)
-    actionmailer (6.1.7.8)
-      actionpack (= 6.1.7.8)
-      actionview (= 6.1.7.8)
-      activejob (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 2.0)
-    actionpack (6.1.7.8)
-      actionview (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      rack (~> 2.0, >= 2.0.9)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.1.7.8)
-      actionpack (= 6.1.7.8)
-      activerecord (= 6.1.7.8)
-      activestorage (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      nokogiri (>= 1.8.5)
-    actionview (6.1.7.8)
-      activesupport (= 6.1.7.8)
-      builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.1.7.8)
-      activesupport (= 6.1.7.8)
-      globalid (>= 0.3.6)
-    activemodel (6.1.7.8)
-      activesupport (= 6.1.7.8)
-    activerecord (6.1.7.8)
-      activemodel (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-    activestorage (6.1.7.8)
-      actionpack (= 6.1.7.8)
-      activejob (= 6.1.7.8)
-      activerecord (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      marcel (~> 1.0)
-      mini_mime (>= 1.1.0)
-    activesupport (6.1.7.8)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-      zeitwerk (~> 2.3)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
-    ambry (1.0.0)
-    appraisal (2.5.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    ast (2.4.2)
-    bigdecimal (3.1.8)
-    builder (3.3.0)
-    capybara (3.40.0)
-      addressable
-      matrix
-      mini_mime (>= 0.1.3)
-      nokogiri (~> 1.11)
-      rack (>= 1.6.0)
-      rack-test (>= 0.6.3)
-      regexp_parser (>= 1.5, < 3.0)
-      xpath (~> 3.2)
-    concurrent-ruby (1.3.3)
-    coveralls (0.8.23)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.16.1)
-      term-ansicolor (~> 1.3)
-      thor (>= 0.19.4, < 2.0)
-      tins (~> 1.6)
-    crass (1.0.6)
-    date (3.3.4)
-    docile (1.4.0)
-    erubi (1.13.0)
-    globalid (1.2.1)
-      activesupport (>= 6.1)
-    i18n (1.14.5)
-      concurrent-ruby (~> 1.0)
-    json (2.7.2)
-    language_server-protocol (3.17.0.3)
-    loofah (2.22.0)
-      crass (~> 1.0.2)
-      nokogiri (>= 1.12.0)
-    mail (2.8.1)
-      mini_mime (>= 0.1.1)
-      net-imap
-      net-pop
-      net-smtp
-    marcel (1.0.4)
-    matrix (0.4.2)
-    method_source (1.1.0)
-    mini_mime (1.1.5)
-    minitest (5.24.1)
-    minitest-rails (6.1.1)
-      minitest (~> 5.10)
-      railties (~> 6.1.0)
-    mize (0.4.1)
-      protocol (~> 2.0)
-    mocha (2.4.0)
-      ruby2_keywords (>= 0.0.5)
-    net-imap (0.4.14)
-      date
-      net-protocol
-    net-pop (0.1.2)
-      net-protocol
-    net-protocol (0.2.2)
-      timeout
-    net-smtp (0.5.0)
-      net-protocol
-    nio4r (2.7.3)
-    nokogiri (1.16.6-arm64-darwin)
-      racc (~> 1.4)
-    parallel (1.25.1)
-    parser (3.3.3.0)
-      ast (~> 2.4.1)
-      racc
-    protocol (2.0.0)
-      ruby_parser (~> 3.0)
-    public_suffix (6.0.0)
-    racc (1.8.0)
-    rack (2.2.9)
-    rack-test (2.1.0)
-      rack (>= 1.3)
-    rails (6.1.7.8)
-      actioncable (= 6.1.7.8)
-      actionmailbox (= 6.1.7.8)
-      actionmailer (= 6.1.7.8)
-      actionpack (= 6.1.7.8)
-      actiontext (= 6.1.7.8)
-      actionview (= 6.1.7.8)
-      activejob (= 6.1.7.8)
-      activemodel (= 6.1.7.8)
-      activerecord (= 6.1.7.8)
-      activestorage (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      bundler (>= 1.15.0)
-      railties (= 6.1.7.8)
-      sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.2.0)
-      activesupport (>= 5.0.0)
-      minitest
-      nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.0)
-      loofah (~> 2.21)
-      nokogiri (~> 1.14)
-    railties (6.1.7.8)
-      actionpack (= 6.1.7.8)
-      activesupport (= 6.1.7.8)
-      method_source
-      rake (>= 12.2)
-      thor (~> 1.0)
-    rainbow (3.1.1)
-    rake (13.2.1)
-    regexp_parser (2.9.2)
-    rexml (3.3.1)
-      strscan
-    rubocop (1.64.1)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
-      parser (>= 3.3.0.2)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.3)
-      parser (>= 3.3.1.0)
-    ruby-progressbar (1.13.0)
-    ruby2_keywords (0.0.5)
-    ruby_parser (3.21.0)
-      racc (~> 1.5)
-      sexp_processor (~> 4.16)
-    sexp_processor (4.17.1)
-    simplecov (0.16.1)
-      docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
-    sprockets (4.2.1)
-      concurrent-ruby (~> 1.0)
-      rack (>= 2.2.4, < 4)
-    sprockets-rails (3.5.1)
-      actionpack (>= 6.1)
-      activesupport (>= 6.1)
-      sprockets (>= 3.0.0)
-    sqlite3 (1.7.3-arm64-darwin)
-    strscan (3.1.0)
-    sync (0.5.0)
-    term-ansicolor (1.10.2)
-      mize
-      tins (~> 1.0)
-    thor (1.3.1)
-    timeout (0.4.1)
-    tins (1.33.0)
-      bigdecimal
-      sync
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
-    webrick (1.8.1)
-    websocket-driver (0.7.6)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.5)
-    xpath (3.2.0)
-      nokogiri (~> 1.8)
-    zeitwerk (2.6.16)
-
-PLATFORMS
-  arm64-darwin
-  x86_64-linux
-
-DEPENDENCIES
-  appraisal
-  capybara
-  coveralls (~> 0.8.23)
-  merit!
-  minitest-rails
-  mocha
-  rails (~> 6.1)
-  rubocop
-  simplecov
-  sqlite3 (~> 1.4)
-  webrick
-
-BUNDLED WITH
-   2.5.14
diff --git a/gemfiles/rails_7.gemfile b/gemfiles/rails_7.gemfile
deleted file mode 100644
index e5c58a7..0000000
--- a/gemfiles/rails_7.gemfile
+++ /dev/null
@@ -1,12 +0,0 @@
-# This file was generated by Appraisal
-
-source "https://rubygems.org"
-
-gem "rails", "~> 7.0"
-gem "coveralls", "~> 0.8.23", require: false
-
-group :development, :test do
-  gem "sqlite3", "~> 1.4"
-end
-
-gemspec path: "../"
diff --git a/gemfiles/rails_7.gemfile.lock b/gemfiles/rails_7.gemfile.lock
deleted file mode 100644
index 435c3bb..0000000
--- a/gemfiles/rails_7.gemfile.lock
+++ /dev/null
@@ -1,281 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    merit (4.0.3)
-      ambry (~> 1.0.0)
-      zeitwerk
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    actioncable (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      nio4r (~> 2.0)
-      websocket-driver (>= 0.6.1)
-      zeitwerk (~> 2.6)
-    actionmailbox (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      actionview (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
-      rails-dom-testing (~> 2.2)
-    actionpack (7.1.3.4)
-      actionview (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      nokogiri (>= 1.8.5)
-      racc
-      rack (>= 2.2.4)
-      rack-session (>= 1.0.1)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.2)
-      rails-html-sanitizer (~> 1.6)
-    actiontext (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      globalid (>= 0.6.0)
-      nokogiri (>= 1.8.5)
-    actionview (7.1.3.4)
-      activesupport (= 7.1.3.4)
-      builder (~> 3.1)
-      erubi (~> 1.11)
-      rails-dom-testing (~> 2.2)
-      rails-html-sanitizer (~> 1.6)
-    activejob (7.1.3.4)
-      activesupport (= 7.1.3.4)
-      globalid (>= 0.3.6)
-    activemodel (7.1.3.4)
-      activesupport (= 7.1.3.4)
-    activerecord (7.1.3.4)
-      activemodel (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      timeout (>= 0.4.0)
-    activestorage (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      marcel (~> 1.0)
-    activesupport (7.1.3.4)
-      base64
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
-    ambry (1.0.0)
-    appraisal (2.5.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    ast (2.4.2)
-    base64 (0.2.0)
-    bigdecimal (3.1.8)
-    builder (3.3.0)
-    capybara (3.40.0)
-      addressable
-      matrix
-      mini_mime (>= 0.1.3)
-      nokogiri (~> 1.11)
-      rack (>= 1.6.0)
-      rack-test (>= 0.6.3)
-      regexp_parser (>= 1.5, < 3.0)
-      xpath (~> 3.2)
-    concurrent-ruby (1.3.3)
-    connection_pool (2.4.1)
-    coveralls (0.8.23)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.16.1)
-      term-ansicolor (~> 1.3)
-      thor (>= 0.19.4, < 2.0)
-      tins (~> 1.6)
-    crass (1.0.6)
-    date (3.3.4)
-    docile (1.4.0)
-    drb (2.2.1)
-    erubi (1.13.0)
-    globalid (1.2.1)
-      activesupport (>= 6.1)
-    i18n (1.14.5)
-      concurrent-ruby (~> 1.0)
-    io-console (0.7.2)
-    irb (1.14.0)
-      rdoc (>= 4.0.0)
-      reline (>= 0.4.2)
-    json (2.7.2)
-    language_server-protocol (3.17.0.3)
-    loofah (2.22.0)
-      crass (~> 1.0.2)
-      nokogiri (>= 1.12.0)
-    mail (2.8.1)
-      mini_mime (>= 0.1.1)
-      net-imap
-      net-pop
-      net-smtp
-    marcel (1.0.4)
-    matrix (0.4.2)
-    mini_mime (1.1.5)
-    minitest (5.24.1)
-    minitest-rails (7.1.1)
-      minitest (~> 5.20)
-      railties (>= 7.1.0, < 8.0.0)
-    mize (0.4.1)
-      protocol (~> 2.0)
-    mocha (2.4.0)
-      ruby2_keywords (>= 0.0.5)
-    mutex_m (0.2.0)
-    net-imap (0.4.14)
-      date
-      net-protocol
-    net-pop (0.1.2)
-      net-protocol
-    net-protocol (0.2.2)
-      timeout
-    net-smtp (0.5.0)
-      net-protocol
-    nio4r (2.7.3)
-    nokogiri (1.16.6-arm64-darwin)
-      racc (~> 1.4)
-    parallel (1.25.1)
-    parser (3.3.3.0)
-      ast (~> 2.4.1)
-      racc
-    protocol (2.0.0)
-      ruby_parser (~> 3.0)
-    psych (5.1.2)
-      stringio
-    public_suffix (6.0.0)
-    racc (1.8.0)
-    rack (3.1.6)
-    rack-session (2.0.0)
-      rack (>= 3.0.0)
-    rack-test (2.1.0)
-      rack (>= 1.3)
-    rackup (2.1.0)
-      rack (>= 3)
-      webrick (~> 1.8)
-    rails (7.1.3.4)
-      actioncable (= 7.1.3.4)
-      actionmailbox (= 7.1.3.4)
-      actionmailer (= 7.1.3.4)
-      actionpack (= 7.1.3.4)
-      actiontext (= 7.1.3.4)
-      actionview (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activemodel (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      bundler (>= 1.15.0)
-      railties (= 7.1.3.4)
-    rails-dom-testing (2.2.0)
-      activesupport (>= 5.0.0)
-      minitest
-      nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.0)
-      loofah (~> 2.21)
-      nokogiri (~> 1.14)
-    railties (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      irb
-      rackup (>= 1.0.0)
-      rake (>= 12.2)
-      thor (~> 1.0, >= 1.2.2)
-      zeitwerk (~> 2.6)
-    rainbow (3.1.1)
-    rake (13.2.1)
-    rdoc (6.7.0)
-      psych (>= 4.0.0)
-    regexp_parser (2.9.2)
-    reline (0.5.9)
-      io-console (~> 0.5)
-    rexml (3.3.1)
-      strscan
-    rubocop (1.64.1)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
-      parser (>= 3.3.0.2)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.3)
-      parser (>= 3.3.1.0)
-    ruby-progressbar (1.13.0)
-    ruby2_keywords (0.0.5)
-    ruby_parser (3.21.0)
-      racc (~> 1.5)
-      sexp_processor (~> 4.16)
-    sexp_processor (4.17.1)
-    simplecov (0.16.1)
-      docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
-    sqlite3 (1.7.3-arm64-darwin)
-    stringio (3.1.1)
-    strscan (3.1.0)
-    sync (0.5.0)
-    term-ansicolor (1.10.2)
-      mize
-      tins (~> 1.0)
-    thor (1.3.1)
-    timeout (0.4.1)
-    tins (1.33.0)
-      bigdecimal
-      sync
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
-    webrick (1.8.1)
-    websocket-driver (0.7.6)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.5)
-    xpath (3.2.0)
-      nokogiri (~> 1.8)
-    zeitwerk (2.6.16)
-
-PLATFORMS
-  arm64-darwin
-  x86_64-linux
-
-DEPENDENCIES
-  appraisal
-  capybara
-  coveralls (~> 0.8.23)
-  merit!
-  minitest-rails
-  mocha
-  rails (~> 7.0)
-  rubocop
-  simplecov
-  sqlite3 (~> 1.4)
-  webrick
-
-BUNDLED WITH
-   2.5.14
diff --git a/gemfiles/rails_7_1.gemfile.lock b/gemfiles/rails_7_1.gemfile.lock
deleted file mode 100644
index e4ddd9d..0000000
--- a/gemfiles/rails_7_1.gemfile.lock
+++ /dev/null
@@ -1,281 +0,0 @@
-PATH
-  remote: ..
-  specs:
-    merit (4.0.3)
-      ambry (~> 1.0.0)
-      zeitwerk
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    actioncable (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      nio4r (~> 2.0)
-      websocket-driver (>= 0.6.1)
-      zeitwerk (~> 2.6)
-    actionmailbox (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      actionview (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
-      rails-dom-testing (~> 2.2)
-    actionpack (7.1.3.4)
-      actionview (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      nokogiri (>= 1.8.5)
-      racc
-      rack (>= 2.2.4)
-      rack-session (>= 1.0.1)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.2)
-      rails-html-sanitizer (~> 1.6)
-    actiontext (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      globalid (>= 0.6.0)
-      nokogiri (>= 1.8.5)
-    actionview (7.1.3.4)
-      activesupport (= 7.1.3.4)
-      builder (~> 3.1)
-      erubi (~> 1.11)
-      rails-dom-testing (~> 2.2)
-      rails-html-sanitizer (~> 1.6)
-    activejob (7.1.3.4)
-      activesupport (= 7.1.3.4)
-      globalid (>= 0.3.6)
-    activemodel (7.1.3.4)
-      activesupport (= 7.1.3.4)
-    activerecord (7.1.3.4)
-      activemodel (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      timeout (>= 0.4.0)
-    activestorage (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      marcel (~> 1.0)
-    activesupport (7.1.3.4)
-      base64
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
-    ambry (1.0.0)
-    appraisal (2.5.0)
-      bundler
-      rake
-      thor (>= 0.14.0)
-    ast (2.4.2)
-    base64 (0.2.0)
-    bigdecimal (3.1.8)
-    builder (3.3.0)
-    capybara (3.40.0)
-      addressable
-      matrix
-      mini_mime (>= 0.1.3)
-      nokogiri (~> 1.11)
-      rack (>= 1.6.0)
-      rack-test (>= 0.6.3)
-      regexp_parser (>= 1.5, < 3.0)
-      xpath (~> 3.2)
-    concurrent-ruby (1.3.3)
-    connection_pool (2.4.1)
-    coveralls (0.8.23)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.16.1)
-      term-ansicolor (~> 1.3)
-      thor (>= 0.19.4, < 2.0)
-      tins (~> 1.6)
-    crass (1.0.6)
-    date (3.3.4)
-    docile (1.4.0)
-    drb (2.2.1)
-    erubi (1.13.0)
-    globalid (1.2.1)
-      activesupport (>= 6.1)
-    i18n (1.14.5)
-      concurrent-ruby (~> 1.0)
-    io-console (0.7.2)
-    irb (1.14.0)
-      rdoc (>= 4.0.0)
-      reline (>= 0.4.2)
-    json (2.7.2)
-    language_server-protocol (3.17.0.3)
-    loofah (2.22.0)
-      crass (~> 1.0.2)
-      nokogiri (>= 1.12.0)
-    mail (2.8.1)
-      mini_mime (>= 0.1.1)
-      net-imap
-      net-pop
-      net-smtp
-    marcel (1.0.4)
-    matrix (0.4.2)
-    mini_mime (1.1.5)
-    minitest (5.24.1)
-    minitest-rails (7.1.1)
-      minitest (~> 5.20)
-      railties (>= 7.1.0, < 8.0.0)
-    mize (0.4.1)
-      protocol (~> 2.0)
-    mocha (2.4.0)
-      ruby2_keywords (>= 0.0.5)
-    mutex_m (0.2.0)
-    net-imap (0.4.14)
-      date
-      net-protocol
-    net-pop (0.1.2)
-      net-protocol
-    net-protocol (0.2.2)
-      timeout
-    net-smtp (0.5.0)
-      net-protocol
-    nio4r (2.7.3)
-    nokogiri (1.16.6-arm64-darwin)
-      racc (~> 1.4)
-    parallel (1.25.1)
-    parser (3.3.3.0)
-      ast (~> 2.4.1)
-      racc
-    protocol (2.0.0)
-      ruby_parser (~> 3.0)
-    psych (5.1.2)
-      stringio
-    public_suffix (6.0.0)
-    racc (1.8.0)
-    rack (3.1.6)
-    rack-session (2.0.0)
-      rack (>= 3.0.0)
-    rack-test (2.1.0)
-      rack (>= 1.3)
-    rackup (2.1.0)
-      rack (>= 3)
-      webrick (~> 1.8)
-    rails (7.1.3.4)
-      actioncable (= 7.1.3.4)
-      actionmailbox (= 7.1.3.4)
-      actionmailer (= 7.1.3.4)
-      actionpack (= 7.1.3.4)
-      actiontext (= 7.1.3.4)
-      actionview (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activemodel (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      bundler (>= 1.15.0)
-      railties (= 7.1.3.4)
-    rails-dom-testing (2.2.0)
-      activesupport (>= 5.0.0)
-      minitest
-      nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.0)
-      loofah (~> 2.21)
-      nokogiri (~> 1.14)
-    railties (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      irb
-      rackup (>= 1.0.0)
-      rake (>= 12.2)
-      thor (~> 1.0, >= 1.2.2)
-      zeitwerk (~> 2.6)
-    rainbow (3.1.1)
-    rake (13.2.1)
-    rdoc (6.7.0)
-      psych (>= 4.0.0)
-    regexp_parser (2.9.2)
-    reline (0.5.9)
-      io-console (~> 0.5)
-    rexml (3.3.1)
-      strscan
-    rubocop (1.64.1)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
-      parser (>= 3.3.0.2)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.3)
-      parser (>= 3.3.1.0)
-    ruby-progressbar (1.13.0)
-    ruby2_keywords (0.0.5)
-    ruby_parser (3.21.0)
-      racc (~> 1.5)
-      sexp_processor (~> 4.16)
-    sexp_processor (4.17.1)
-    simplecov (0.16.1)
-      docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
-    sqlite3 (1.7.3-arm64-darwin)
-    stringio (3.1.1)
-    strscan (3.1.0)
-    sync (0.5.0)
-    term-ansicolor (1.10.2)
-      mize
-      tins (~> 1.0)
-    thor (1.3.1)
-    timeout (0.4.1)
-    tins (1.33.0)
-      bigdecimal
-      sync
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
-    webrick (1.8.1)
-    websocket-driver (0.7.6)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.5)
-    xpath (3.2.0)
-      nokogiri (~> 1.8)
-    zeitwerk (2.6.16)
-
-PLATFORMS
-  arm64-darwin
-  x86_64-linux
-
-DEPENDENCIES
-  appraisal
-  capybara
-  coveralls (~> 0.8.23)
-  merit!
-  minitest-rails
-  mocha
-  rails (~> 7.1)
-  rubocop
-  simplecov
-  sqlite3 (~> 1.4)
-  webrick
-
-BUNDLED WITH
-   2.5.14
diff --git a/gemfiles/rails_6_1.gemfile b/gemfiles/rails_7_2.gemfile
similarity index 57%
rename from gemfiles/rails_6_1.gemfile
rename to gemfiles/rails_7_2.gemfile
index 44bfbcb..e4e3aee 100644
--- a/gemfiles/rails_6_1.gemfile
+++ b/gemfiles/rails_7_2.gemfile
@@ -2,11 +2,10 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 6.1"
-gem "coveralls", "~> 0.8.23", require: false
+gem "rails", "~> 7.2"
 
 group :development, :test do
-  gem "sqlite3", "~> 1.4"
+  gem "sqlite3"
 end
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7_2.gemfile.lock b/gemfiles/rails_7_2.gemfile.lock
new file mode 100644
index 0000000..9a8ec5a
--- /dev/null
+++ b/gemfiles/rails_7_2.gemfile.lock
@@ -0,0 +1,372 @@
+PATH
+  remote: ..
+  specs:
+    merit (4.0.3)
+      ambry (~> 1.0.0)
+      observer
+      zeitwerk
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (7.2.2.1)
+      actionpack (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.2.2.1)
+      actionpack (= 7.2.2.1)
+      activejob (= 7.2.2.1)
+      activerecord (= 7.2.2.1)
+      activestorage (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      mail (>= 2.8.0)
+    actionmailer (7.2.2.1)
+      actionpack (= 7.2.2.1)
+      actionview (= 7.2.2.1)
+      activejob (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (7.2.2.1)
+      actionview (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      nokogiri (>= 1.8.5)
+      racc
+      rack (>= 2.2.4, < 3.2)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (7.2.2.1)
+      actionpack (= 7.2.2.1)
+      activerecord (= 7.2.2.1)
+      activestorage (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (7.2.2.1)
+      activesupport (= 7.2.2.1)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.2.2.1)
+      activesupport (= 7.2.2.1)
+      globalid (>= 0.3.6)
+    activemodel (7.2.2.1)
+      activesupport (= 7.2.2.1)
+    activerecord (7.2.2.1)
+      activemodel (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      timeout (>= 0.4.0)
+    activestorage (7.2.2.1)
+      actionpack (= 7.2.2.1)
+      activejob (= 7.2.2.1)
+      activerecord (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      marcel (~> 1.0)
+    activesupport (7.2.2.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    ambry (1.0.0)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    ast (2.4.3)
+    base64 (0.3.0)
+    benchmark (0.4.1)
+    bigdecimal (3.2.2)
+    builder (3.3.0)
+    capybara (3.40.0)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.11)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
+    concurrent-ruby (1.3.5)
+    connection_pool (2.5.3)
+    crass (1.0.6)
+    date (3.4.1)
+    docile (1.4.1)
+    drb (2.2.3)
+    erb (5.0.1)
+    erubi (1.13.1)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    io-console (0.8.0)
+    irb (1.15.2)
+      pp (>= 0.6.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (2.12.2)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    loofah (2.24.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.4)
+    matrix (0.4.3)
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.9)
+    minitest (5.25.5)
+    minitest-rails (7.1.1)
+      minitest (~> 5.20)
+      railties (>= 7.1.0, < 8.0.0)
+    mocha (2.7.1)
+      ruby2_keywords (>= 0.0.5)
+    net-imap (0.5.9)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.1)
+      net-protocol
+    nio4r (2.7.4)
+    nokogiri (1.18.8-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.18.8-x86_64-linux-gnu)
+      racc (~> 1.4)
+    observer (0.1.2)
+    parallel (1.27.0)
+    parser (3.3.8.0)
+      ast (~> 2.4.1)
+      racc
+    pp (0.6.2)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.4.0)
+    psych (5.2.6)
+      date
+      stringio
+    public_suffix (6.0.2)
+    racc (1.8.1)
+    rack (3.1.16)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rackup (2.2.1)
+      rack (>= 3)
+    rails (7.2.2.1)
+      actioncable (= 7.2.2.1)
+      actionmailbox (= 7.2.2.1)
+      actionmailer (= 7.2.2.1)
+      actionpack (= 7.2.2.1)
+      actiontext (= 7.2.2.1)
+      actionview (= 7.2.2.1)
+      activejob (= 7.2.2.1)
+      activemodel (= 7.2.2.1)
+      activerecord (= 7.2.2.1)
+      activestorage (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      bundler (>= 1.15.0)
+      railties (= 7.2.2.1)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.2)
+      loofah (~> 2.21)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    railties (7.2.2.1)
+      actionpack (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
+    rainbow (3.1.1)
+    rake (13.3.0)
+    rdoc (6.14.1)
+      erb
+      psych (>= 4.0.0)
+    regexp_parser (2.10.0)
+    reline (0.6.1)
+      io-console (~> 0.5)
+    rubocop (1.77.0)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.45.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.45.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    ruby-progressbar (1.13.0)
+    ruby2_keywords (0.0.5)
+    securerandom (0.4.1)
+    simplecov (0.16.1)
+      docile (~> 1.1)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.2)
+    sqlite3 (1.7.3)
+      mini_portile2 (~> 2.8.0)
+    stringio (3.1.7)
+    thor (1.3.2)
+    timeout (0.4.3)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
+    useragent (0.16.11)
+    webrick (1.9.1)
+    websocket-driver (0.8.0)
+      base64
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+    zeitwerk (2.7.3)
+
+PLATFORMS
+  arm64-darwin
+  x86_64-linux
+
+DEPENDENCIES
+  appraisal
+  capybara
+  merit!
+  minitest-rails
+  mocha
+  rails (~> 7.2)
+  rubocop
+  simplecov
+  sqlite3
+  webrick
+
+CHECKSUMS
+  actioncable (7.2.2.1) sha256=5b3b885075a80767d63cbf2b586cbf82466a241675b7985233f957abb01bffb4
+  actionmailbox (7.2.2.1) sha256=896a47c2520f4507c75dde67c6ea1f5eec3a041fe7bfbf3568c4e0149a080e25
+  actionmailer (7.2.2.1) sha256=b02ae523c32c8ad762d4db941e76f3c108c106030132247ee7a7b8c86bc7b21f
+  actionpack (7.2.2.1) sha256=17b2160a7bcbd5a569d06b1ae54a4bb5ccc7ba0815d73ff5768100a79dc1f734
+  actiontext (7.2.2.1) sha256=f369cee41a6674b697bf9257d917a3dce575a2c89935af437b432d6737a3f0d6
+  actionview (7.2.2.1) sha256=69fc880cf3d8b1baf21b048cf7bb68f1eef08760ff8104d7d60a6a1be8b359a5
+  activejob (7.2.2.1) sha256=f2f95a8573b394aa4f7c24843f0c4a6065c073a5c64d6f15ecd98d98c2c23e5b
+  activemodel (7.2.2.1) sha256=8398861f9ee2c4671a8357ab39e9b38a045fd656f6685a3dd5890c2419dbfdaf
+  activerecord (7.2.2.1) sha256=79a31f71c32d5138717c2104e0ff105f5d82922247c85bdca144f2720e67fab9
+  activestorage (7.2.2.1) sha256=b4ec35ff94d4d6656ee6952ce439c3f80e249552d49fd2d3996ee53880c5525f
+  activesupport (7.2.2.1) sha256=842bcbf8a92977f80fb4750661a237cf5dd4fdd442066b3c35e88afb488647f5
+  addressable (2.8.7) sha256=462986537cf3735ab5f3c0f557f14155d778f4b43ea4f485a9deb9c8f7c58232
+  ambry (1.0.0) sha256=a09601ab1139f0cc886a5c5be2d52a423f2ba6ff1d78a4a5bb6f2a5c3c2d0145
+  appraisal (2.5.0) sha256=36989221be127913b0dba8d114da2001e6b2dceea7bd4951200eaba764eed3ce
+  ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
+  benchmark (0.4.1) sha256=d4ef40037bba27f03b28013e219b950b82bace296549ec15a78016552f8d2cce
+  bigdecimal (3.2.2) sha256=39085f76b495eb39a79ce07af716f3a6829bc35eb44f2195e2753749f2fa5adc
+  builder (3.3.0) sha256=497918d2f9dca528fdca4b88d84e4ef4387256d984b8154e9d5d3fe5a9c8835f
+  capybara (3.40.0) sha256=42dba720578ea1ca65fd7a41d163dd368502c191804558f6e0f71b391054aeef
+  concurrent-ruby (1.3.5) sha256=813b3e37aca6df2a21a3b9f1d497f8cbab24a2b94cab325bffe65ee0f6cbebc6
+  connection_pool (2.5.3) sha256=cfd74a82b9b094d1ce30c4f1a346da23ee19dc8a062a16a85f58eab1ced4305b
+  crass (1.0.6) sha256=dc516022a56e7b3b156099abc81b6d2b08ea1ed12676ac7a5657617f012bd45d
+  date (3.4.1) sha256=bf268e14ef7158009bfeaec40b5fa3c7271906e88b196d958a89d4b408abe64f
+  docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
+  erb (5.0.1) sha256=760439803b36cc93eca8a266aab614614e588024a89bc30a62e78d98ff452c23
+  erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9
+  globalid (1.2.1) sha256=70bf76711871f843dbba72beb8613229a49429d1866828476f9c9d6ccc327ce9
+  i18n (1.14.7) sha256=ceba573f8138ff2c0915427f1fc5bdf4aa3ab8ae88c8ce255eb3ecf0a11a5d0f
+  io-console (0.8.0) sha256=cd6a9facbc69871d69b2cb8b926fc6ea7ef06f06e505e81a64f14a470fddefa2
+  irb (1.15.2) sha256=222f32952e278da34b58ffe45e8634bf4afc2dc7aa9da23fed67e581aa50fdba
+  json (2.12.2) sha256=ba94a48ad265605c8fa9a50a5892f3ba6a02661aa010f638211f3cb36f44abf4
+  language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
+  lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
+  logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
+  loofah (2.24.1) sha256=655a30842b70ec476410b347ab1cd2a5b92da46a19044357bbd9f401b009a337
+  mail (2.8.1) sha256=ec3b9fadcf2b3755c78785cb17bc9a0ca9ee9857108a64b6f5cfc9c0b5bfc9ad
+  marcel (1.0.4) sha256=0d5649feb64b8f19f3d3468b96c680bae9746335d02194270287868a661516a4
+  matrix (0.4.3) sha256=a0d5ab7ddcc1973ff690ab361b67f359acbb16958d1dc072b8b956a286564c5b
+  merit (4.0.3)
+  mini_mime (1.1.5) sha256=8681b7e2e4215f2a159f9400b5816d85e9d8c6c6b491e96a12797e798f8bccef
+  mini_portile2 (2.8.9) sha256=0cd7c7f824e010c072e33f68bc02d85a00aeb6fce05bb4819c03dfd3c140c289
+  minitest (5.25.5) sha256=391b6c6cb43a4802bfb7c93af1ebe2ac66a210293f4a3fb7db36f2fc7dc2c756
+  minitest-rails (7.1.1) sha256=538c2a67a7b51b4cdd17e100ad7904a51b4860453880b55be79a906ef97e495e
+  mocha (2.7.1) sha256=8f7d538d5d3ebc75fc788b3d92fbab913a93a78462d2a3ce99d1bdde7af7f851
+  net-imap (0.5.9) sha256=d95905321e1bd9f294ffc7ff8697be218eee1ec96c8504c0960964d0a0be33fc
+  net-pop (0.1.2) sha256=848b4e982013c15b2f0382792268763b748cce91c9e91e36b0f27ed26420dff3
+  net-protocol (0.2.2) sha256=aa73e0cba6a125369de9837b8d8ef82a61849360eba0521900e2c3713aa162a8
+  net-smtp (0.5.1) sha256=ed96a0af63c524fceb4b29b0d352195c30d82dd916a42f03c62a3a70e5b70736
+  nio4r (2.7.4) sha256=d95dee68e0bb251b8ff90ac3423a511e3b784124e5db7ff5f4813a220ae73ca9
+  nokogiri (1.18.8-arm64-darwin) sha256=483b5b9fb33653f6f05cbe00d09ea315f268f0e707cfc809aa39b62993008212
+  nokogiri (1.18.8-x86_64-linux-gnu) sha256=4a747875db873d18a2985ee2c320a6070c4a414ad629da625fbc58d1a20e5ecc
+  observer (0.1.2) sha256=d8a3107131ba661138d748e7be3dbafc0d82e732fffba9fccb3d7829880950ac
+  parallel (1.27.0) sha256=4ac151e1806b755fb4e2dc2332cbf0e54f2e24ba821ff2d3dcf86bf6dc4ae130
+  parser (3.3.8.0) sha256=2476364142b307fa5a1b1ece44f260728be23858a9c71078e956131a75453c45
+  pp (0.6.2) sha256=947ec3120c6f92195f8ee8aa25a7b2c5297bb106d83b41baa02983686577b6ff
+  prettyprint (0.2.0) sha256=2bc9e15581a94742064a3cc8b0fb9d45aae3d03a1baa6ef80922627a0766f193
+  prism (1.4.0) sha256=dc0e3e00e93160213dc2a65519d9002a4a1e7b962db57d444cf1a71565bb703e
+  psych (5.2.6) sha256=814328aa5dcb6d604d32126a20bc1cbcf05521a5b49dbb1a8b30a07e580f316e
+  public_suffix (6.0.2) sha256=bfa7cd5108066f8c9602e0d6d4114999a5df5839a63149d3e8b0f9c1d3558394
+  racc (1.8.1) sha256=4a7f6929691dbec8b5209a0b373bc2614882b55fc5d2e447a21aaa691303d62f
+  rack (3.1.16) sha256=efb5606c351efc56b85b10c3493055d0d35209d23f44792ec4e1183eb0234635
+  rack-session (2.1.1) sha256=0b6dc07dea7e4b583f58a48e8b806d4c9f1c6c9214ebc202ec94562cbea2e4e9
+  rack-test (2.2.0) sha256=005a36692c306ac0b4a9350355ee080fd09ddef1148a5f8b2ac636c720f5c463
+  rackup (2.2.1) sha256=f737191fd5c5b348b7f0a4412a3b86383f88c43e13b8217b63d4c8d90b9e798d
+  rails (7.2.2.1) sha256=aedb1604b40f4e43b5e8066e5a1aa34dae02c33aa9669b21fd4497d0f8c9bb40
+  rails-dom-testing (2.3.0) sha256=8acc7953a7b911ca44588bf08737bc16719f431a1cc3091a292bca7317925c1d
+  rails-html-sanitizer (1.6.2) sha256=35fce2ca8242da8775c83b6ba9c1bcaad6751d9eb73c1abaa8403475ab89a560
+  railties (7.2.2.1) sha256=e3f11bf116dd6d0d874522843ccc70ec0f89fbfed3e9c2ee48a4778cd042fe1f
+  rainbow (3.1.1) sha256=039491aa3a89f42efa1d6dec2fc4e62ede96eb6acd95e52f1ad581182b79bc6a
+  rake (13.3.0) sha256=96f5092d786ff412c62fde76f793cc0541bd84d2eb579caa529aa8a059934493
+  rdoc (6.14.1) sha256=905efa796cd296ef252af4fb31fe41c073dee894de6aad715821f335c632516b
+  regexp_parser (2.10.0) sha256=cb6f0ddde88772cd64bff1dbbf68df66d376043fe2e66a9ef77fcb1b0c548c61
+  reline (0.6.1) sha256=1afcc9d7cb1029cdbe780d72f2f09251ce46d3780050f3ec39c3ccc6b60675fb
+  rubocop (1.77.0) sha256=1f360b4575ef7a124be27b0dfffa227a2b2d9420d22d4fd8bf179d702bcc88c0
+  rubocop-ast (1.45.1) sha256=94042e49adc17f187ba037b33f941ba7398fede77cdf4bffafba95190a473a3e
+  ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
+  ruby2_keywords (0.0.5) sha256=ffd13740c573b7301cf7a2e61fc857b2a8e3d3aff32545d6f8300d8bae10e3ef
+  securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
+  simplecov (0.16.1) sha256=8724f0911bbb2b7a3c11155e6d57987cad311f9e5ce7b305b1e2e67fdc73dee9
+  simplecov-html (0.10.2) sha256=f65306e2695913c007ddc8d31d6318f37ae074f2ee1cea1647b3bf4c94ca30d2
+  sqlite3 (1.7.3) sha256=fa77f63c709548f46d4e9b6bb45cda52aa3881aa12cc85991132758e8968701c
+  stringio (3.1.7) sha256=5b78b7cb242a315fb4fca61a8255d62ec438f58da2b90be66048546ade4507fa
+  thor (1.3.2) sha256=eef0293b9e24158ccad7ab383ae83534b7ad4ed99c09f96f1a6b036550abbeda
+  timeout (0.4.3) sha256=9509f079b2b55fe4236d79633bd75e34c1c1e7e3fb4b56cb5fda61f80a0fe30e
+  tzinfo (2.0.6) sha256=8daf828cc77bcf7d63b0e3bdb6caa47e2272dcfaf4fbfe46f8c3a9df087a829b
+  unicode-display_width (3.1.4) sha256=8caf2af1c0f2f07ec89ef9e18c7d88c2790e217c482bfc78aaa65eadd5415ac1
+  unicode-emoji (4.0.4) sha256=2c2c4ef7f353e5809497126285a50b23056cc6e61b64433764a35eff6c36532a
+  useragent (0.16.11) sha256=700e6413ad4bb954bb63547fa098dddf7b0ebe75b40cc6f93b8d54255b173844
+  webrick (1.9.1) sha256=b42d3c94f166f3fb73d87e9b359def9b5836c426fc8beacf38f2184a21b2a989
+  websocket-driver (0.8.0) sha256=ed0dba4b943c22f17f9a734817e808bc84cdce6a7e22045f5315aa57676d4962
+  websocket-extensions (0.1.5) sha256=1c6ba63092cda343eb53fc657110c71c754c56484aad42578495227d717a8241
+  xpath (3.2.0) sha256=6dfda79d91bb3b949b947ecc5919f042ef2f399b904013eb3ef6d20dd3a4082e
+  zeitwerk (2.7.3) sha256=b2e86b4a9b57d26ba68a15230dcc7fe6f040f06831ce64417b0621ad96ba3e85
+
+BUNDLED WITH
+   2.6.9
diff --git a/gemfiles/rails_7_1.gemfile b/gemfiles/rails_8_0.gemfile
similarity index 57%
rename from gemfiles/rails_7_1.gemfile
rename to gemfiles/rails_8_0.gemfile
index bf236e4..ac509a7 100644
--- a/gemfiles/rails_7_1.gemfile
+++ b/gemfiles/rails_8_0.gemfile
@@ -2,11 +2,10 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 7.1"
-gem "coveralls", "~> 0.8.23", require: false
+gem "rails", "~> 8.0"
 
 group :development, :test do
-  gem "sqlite3", "~> 1.4"
+  gem "sqlite3", "> 2.1"
 end
 
 gemspec path: "../"
diff --git a/gemfiles/rails_8_0.gemfile.lock b/gemfiles/rails_8_0.gemfile.lock
new file mode 100644
index 0000000..acb2740
--- /dev/null
+++ b/gemfiles/rails_8_0.gemfile.lock
@@ -0,0 +1,375 @@
+PATH
+  remote: ..
+  specs:
+    merit (4.0.3)
+      ambry (~> 1.0.0)
+      observer
+      zeitwerk
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (8.0.2)
+      actionpack (= 8.0.2)
+      activesupport (= 8.0.2)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (8.0.2)
+      actionpack (= 8.0.2)
+      activejob (= 8.0.2)
+      activerecord (= 8.0.2)
+      activestorage (= 8.0.2)
+      activesupport (= 8.0.2)
+      mail (>= 2.8.0)
+    actionmailer (8.0.2)
+      actionpack (= 8.0.2)
+      actionview (= 8.0.2)
+      activejob (= 8.0.2)
+      activesupport (= 8.0.2)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (8.0.2)
+      actionview (= 8.0.2)
+      activesupport (= 8.0.2)
+      nokogiri (>= 1.8.5)
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (8.0.2)
+      actionpack (= 8.0.2)
+      activerecord (= 8.0.2)
+      activestorage (= 8.0.2)
+      activesupport (= 8.0.2)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (8.0.2)
+      activesupport (= 8.0.2)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (8.0.2)
+      activesupport (= 8.0.2)
+      globalid (>= 0.3.6)
+    activemodel (8.0.2)
+      activesupport (= 8.0.2)
+    activerecord (8.0.2)
+      activemodel (= 8.0.2)
+      activesupport (= 8.0.2)
+      timeout (>= 0.4.0)
+    activestorage (8.0.2)
+      actionpack (= 8.0.2)
+      activejob (= 8.0.2)
+      activerecord (= 8.0.2)
+      activesupport (= 8.0.2)
+      marcel (~> 1.0)
+    activesupport (8.0.2)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    ambry (1.0.0)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    ast (2.4.3)
+    base64 (0.3.0)
+    benchmark (0.4.1)
+    bigdecimal (3.2.2)
+    builder (3.3.0)
+    capybara (3.40.0)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.11)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
+    concurrent-ruby (1.3.5)
+    connection_pool (2.5.3)
+    crass (1.0.6)
+    date (3.4.1)
+    docile (1.4.1)
+    drb (2.2.3)
+    erb (5.0.1)
+    erubi (1.13.1)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    io-console (0.8.0)
+    irb (1.15.2)
+      pp (>= 0.6.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (2.12.2)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    loofah (2.24.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.4)
+    matrix (0.4.3)
+    mini_mime (1.1.5)
+    minitest (5.25.5)
+    minitest-rails (8.0.0)
+      minitest (~> 5.20)
+      railties (>= 8.0.0, < 8.1.0)
+    mocha (2.7.1)
+      ruby2_keywords (>= 0.0.5)
+    net-imap (0.5.9)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.1)
+      net-protocol
+    nio4r (2.7.4)
+    nokogiri (1.18.8-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.18.8-x86_64-linux-gnu)
+      racc (~> 1.4)
+    observer (0.1.2)
+    parallel (1.27.0)
+    parser (3.3.8.0)
+      ast (~> 2.4.1)
+      racc
+    pp (0.6.2)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.4.0)
+    psych (5.2.6)
+      date
+      stringio
+    public_suffix (6.0.2)
+    racc (1.8.1)
+    rack (3.1.16)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rackup (2.2.1)
+      rack (>= 3)
+    rails (8.0.2)
+      actioncable (= 8.0.2)
+      actionmailbox (= 8.0.2)
+      actionmailer (= 8.0.2)
+      actionpack (= 8.0.2)
+      actiontext (= 8.0.2)
+      actionview (= 8.0.2)
+      activejob (= 8.0.2)
+      activemodel (= 8.0.2)
+      activerecord (= 8.0.2)
+      activestorage (= 8.0.2)
+      activesupport (= 8.0.2)
+      bundler (>= 1.15.0)
+      railties (= 8.0.2)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.2)
+      loofah (~> 2.21)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    railties (8.0.2)
+      actionpack (= 8.0.2)
+      activesupport (= 8.0.2)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
+    rainbow (3.1.1)
+    rake (13.3.0)
+    rdoc (6.14.1)
+      erb
+      psych (>= 4.0.0)
+    regexp_parser (2.10.0)
+    reline (0.6.1)
+      io-console (~> 0.5)
+    rubocop (1.77.0)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.45.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.45.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    ruby-progressbar (1.13.0)
+    ruby2_keywords (0.0.5)
+    securerandom (0.4.1)
+    simplecov (0.22.0)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
+    sqlite3 (2.7.0-arm64-darwin)
+    sqlite3 (2.7.0-x86_64-linux-gnu)
+    stringio (3.1.7)
+    thor (1.3.2)
+    timeout (0.4.3)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
+    uri (1.0.3)
+    useragent (0.16.11)
+    webrick (1.9.1)
+    websocket-driver (0.8.0)
+      base64
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+    zeitwerk (2.7.3)
+
+PLATFORMS
+  arm64-darwin
+  x86_64-linux
+
+DEPENDENCIES
+  appraisal
+  capybara
+  merit!
+  minitest-rails
+  mocha
+  rails (~> 8.0)
+  rubocop
+  simplecov
+  sqlite3 (> 2.1)
+  webrick
+
+CHECKSUMS
+  actioncable (8.0.2) sha256=7bcce2df62e91a80143592600e16583c273e98aab50ae40a9f6a2604bb3289a0
+  actionmailbox (8.0.2) sha256=3d8fb3453913e6257da4d02004bbfa2b997dfd10672f8d990e95013983e2cedb
+  actionmailer (8.0.2) sha256=b0c968b38576ec56a3dc2795931818e0aaae6a18cc9801f53f175c12d4b277d0
+  actionpack (8.0.2) sha256=93e703064f3815295ccf820f57acbca719aec836749597da9262781c9b2f4b78
+  actiontext (8.0.2) sha256=a40db32032ee2fbb479d5d69318c4284344c1cda73836fd73ffcdb917d203abf
+  actionview (8.0.2) sha256=e038e1405cdfc18f04f17243da4fb8eeda3a4992f63a6d70a7281d255cf7cebb
+  activejob (8.0.2) sha256=b0228b45e36b1ef3a081c684e81494147e094a6baf729018756ccf125b1853ca
+  activemodel (8.0.2) sha256=0ae1fb7fa1fae0699ba041a9e97702df42ea3b13f2d39f2d0fde51fca5f0656c
+  activerecord (8.0.2) sha256=793470b92c44e4198d0262ac60086b7822f0ea585079ad67e32a6e4c86f2d90a
+  activestorage (8.0.2) sha256=f83d221e0f06ae38f2200e55490bd155c76d0add330f6e300e8646048d672977
+  activesupport (8.0.2) sha256=8565cddba31b900cdc17682fd66ecd020441e3eef320a9930285394e8c07a45e
+  addressable (2.8.7) sha256=462986537cf3735ab5f3c0f557f14155d778f4b43ea4f485a9deb9c8f7c58232
+  ambry (1.0.0) sha256=a09601ab1139f0cc886a5c5be2d52a423f2ba6ff1d78a4a5bb6f2a5c3c2d0145
+  appraisal (2.5.0) sha256=36989221be127913b0dba8d114da2001e6b2dceea7bd4951200eaba764eed3ce
+  ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
+  benchmark (0.4.1) sha256=d4ef40037bba27f03b28013e219b950b82bace296549ec15a78016552f8d2cce
+  bigdecimal (3.2.2) sha256=39085f76b495eb39a79ce07af716f3a6829bc35eb44f2195e2753749f2fa5adc
+  builder (3.3.0) sha256=497918d2f9dca528fdca4b88d84e4ef4387256d984b8154e9d5d3fe5a9c8835f
+  capybara (3.40.0) sha256=42dba720578ea1ca65fd7a41d163dd368502c191804558f6e0f71b391054aeef
+  concurrent-ruby (1.3.5) sha256=813b3e37aca6df2a21a3b9f1d497f8cbab24a2b94cab325bffe65ee0f6cbebc6
+  connection_pool (2.5.3) sha256=cfd74a82b9b094d1ce30c4f1a346da23ee19dc8a062a16a85f58eab1ced4305b
+  crass (1.0.6) sha256=dc516022a56e7b3b156099abc81b6d2b08ea1ed12676ac7a5657617f012bd45d
+  date (3.4.1) sha256=bf268e14ef7158009bfeaec40b5fa3c7271906e88b196d958a89d4b408abe64f
+  docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
+  erb (5.0.1) sha256=760439803b36cc93eca8a266aab614614e588024a89bc30a62e78d98ff452c23
+  erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9
+  globalid (1.2.1) sha256=70bf76711871f843dbba72beb8613229a49429d1866828476f9c9d6ccc327ce9
+  i18n (1.14.7) sha256=ceba573f8138ff2c0915427f1fc5bdf4aa3ab8ae88c8ce255eb3ecf0a11a5d0f
+  io-console (0.8.0) sha256=cd6a9facbc69871d69b2cb8b926fc6ea7ef06f06e505e81a64f14a470fddefa2
+  irb (1.15.2) sha256=222f32952e278da34b58ffe45e8634bf4afc2dc7aa9da23fed67e581aa50fdba
+  json (2.12.2) sha256=ba94a48ad265605c8fa9a50a5892f3ba6a02661aa010f638211f3cb36f44abf4
+  language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
+  lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
+  logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
+  loofah (2.24.1) sha256=655a30842b70ec476410b347ab1cd2a5b92da46a19044357bbd9f401b009a337
+  mail (2.8.1) sha256=ec3b9fadcf2b3755c78785cb17bc9a0ca9ee9857108a64b6f5cfc9c0b5bfc9ad
+  marcel (1.0.4) sha256=0d5649feb64b8f19f3d3468b96c680bae9746335d02194270287868a661516a4
+  matrix (0.4.3) sha256=a0d5ab7ddcc1973ff690ab361b67f359acbb16958d1dc072b8b956a286564c5b
+  merit (4.0.3)
+  mini_mime (1.1.5) sha256=8681b7e2e4215f2a159f9400b5816d85e9d8c6c6b491e96a12797e798f8bccef
+  minitest (5.25.5) sha256=391b6c6cb43a4802bfb7c93af1ebe2ac66a210293f4a3fb7db36f2fc7dc2c756
+  minitest-rails (8.0.0) sha256=7788731b9793ef302721f925bf4349e0b943093e6f6b3d68cf8ac9134cd954bc
+  mocha (2.7.1) sha256=8f7d538d5d3ebc75fc788b3d92fbab913a93a78462d2a3ce99d1bdde7af7f851
+  net-imap (0.5.9) sha256=d95905321e1bd9f294ffc7ff8697be218eee1ec96c8504c0960964d0a0be33fc
+  net-pop (0.1.2) sha256=848b4e982013c15b2f0382792268763b748cce91c9e91e36b0f27ed26420dff3
+  net-protocol (0.2.2) sha256=aa73e0cba6a125369de9837b8d8ef82a61849360eba0521900e2c3713aa162a8
+  net-smtp (0.5.1) sha256=ed96a0af63c524fceb4b29b0d352195c30d82dd916a42f03c62a3a70e5b70736
+  nio4r (2.7.4) sha256=d95dee68e0bb251b8ff90ac3423a511e3b784124e5db7ff5f4813a220ae73ca9
+  nokogiri (1.18.8-arm64-darwin) sha256=483b5b9fb33653f6f05cbe00d09ea315f268f0e707cfc809aa39b62993008212
+  nokogiri (1.18.8-x86_64-linux-gnu) sha256=4a747875db873d18a2985ee2c320a6070c4a414ad629da625fbc58d1a20e5ecc
+  observer (0.1.2) sha256=d8a3107131ba661138d748e7be3dbafc0d82e732fffba9fccb3d7829880950ac
+  parallel (1.27.0) sha256=4ac151e1806b755fb4e2dc2332cbf0e54f2e24ba821ff2d3dcf86bf6dc4ae130
+  parser (3.3.8.0) sha256=2476364142b307fa5a1b1ece44f260728be23858a9c71078e956131a75453c45
+  pp (0.6.2) sha256=947ec3120c6f92195f8ee8aa25a7b2c5297bb106d83b41baa02983686577b6ff
+  prettyprint (0.2.0) sha256=2bc9e15581a94742064a3cc8b0fb9d45aae3d03a1baa6ef80922627a0766f193
+  prism (1.4.0) sha256=dc0e3e00e93160213dc2a65519d9002a4a1e7b962db57d444cf1a71565bb703e
+  psych (5.2.6) sha256=814328aa5dcb6d604d32126a20bc1cbcf05521a5b49dbb1a8b30a07e580f316e
+  public_suffix (6.0.2) sha256=bfa7cd5108066f8c9602e0d6d4114999a5df5839a63149d3e8b0f9c1d3558394
+  racc (1.8.1) sha256=4a7f6929691dbec8b5209a0b373bc2614882b55fc5d2e447a21aaa691303d62f
+  rack (3.1.16) sha256=efb5606c351efc56b85b10c3493055d0d35209d23f44792ec4e1183eb0234635
+  rack-session (2.1.1) sha256=0b6dc07dea7e4b583f58a48e8b806d4c9f1c6c9214ebc202ec94562cbea2e4e9
+  rack-test (2.2.0) sha256=005a36692c306ac0b4a9350355ee080fd09ddef1148a5f8b2ac636c720f5c463
+  rackup (2.2.1) sha256=f737191fd5c5b348b7f0a4412a3b86383f88c43e13b8217b63d4c8d90b9e798d
+  rails (8.0.2) sha256=fdfaa5a83ec0388e02864e88d515959caedc88053b5f701c4deb1652d8f164c6
+  rails-dom-testing (2.3.0) sha256=8acc7953a7b911ca44588bf08737bc16719f431a1cc3091a292bca7317925c1d
+  rails-html-sanitizer (1.6.2) sha256=35fce2ca8242da8775c83b6ba9c1bcaad6751d9eb73c1abaa8403475ab89a560
+  railties (8.0.2) sha256=0d7c3f40c49ba74980f1bac1d4bb153a9331c5ee8a9631d89c7bf79db82e5cf9
+  rainbow (3.1.1) sha256=039491aa3a89f42efa1d6dec2fc4e62ede96eb6acd95e52f1ad581182b79bc6a
+  rake (13.3.0) sha256=96f5092d786ff412c62fde76f793cc0541bd84d2eb579caa529aa8a059934493
+  rdoc (6.14.1) sha256=905efa796cd296ef252af4fb31fe41c073dee894de6aad715821f335c632516b
+  regexp_parser (2.10.0) sha256=cb6f0ddde88772cd64bff1dbbf68df66d376043fe2e66a9ef77fcb1b0c548c61
+  reline (0.6.1) sha256=1afcc9d7cb1029cdbe780d72f2f09251ce46d3780050f3ec39c3ccc6b60675fb
+  rubocop (1.77.0) sha256=1f360b4575ef7a124be27b0dfffa227a2b2d9420d22d4fd8bf179d702bcc88c0
+  rubocop-ast (1.45.1) sha256=94042e49adc17f187ba037b33f941ba7398fede77cdf4bffafba95190a473a3e
+  ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
+  ruby2_keywords (0.0.5) sha256=ffd13740c573b7301cf7a2e61fc857b2a8e3d3aff32545d6f8300d8bae10e3ef
+  securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
+  simplecov (0.22.0) sha256=fe2622c7834ff23b98066bb0a854284b2729a569ac659f82621fc22ef36213a5
+  simplecov-html (0.12.3) sha256=4b1aad33259ffba8b29c6876c12db70e5750cb9df829486e4c6e5da4fa0aa07b
+  simplecov_json_formatter (0.1.4) sha256=529418fbe8de1713ac2b2d612aa3daa56d316975d307244399fa4838c601b428
+  sqlite3 (2.7.0-arm64-darwin) sha256=b79d76bd496688f45bd43069f3475285f3303d00a2a9c61cd4fc915350aa20ac
+  sqlite3 (2.7.0-x86_64-linux-gnu) sha256=6d7a41bbfc2319bc7e43e944a97a8b15de91c71098bc1d8f4c91c8b719b1c940
+  stringio (3.1.7) sha256=5b78b7cb242a315fb4fca61a8255d62ec438f58da2b90be66048546ade4507fa
+  thor (1.3.2) sha256=eef0293b9e24158ccad7ab383ae83534b7ad4ed99c09f96f1a6b036550abbeda
+  timeout (0.4.3) sha256=9509f079b2b55fe4236d79633bd75e34c1c1e7e3fb4b56cb5fda61f80a0fe30e
+  tzinfo (2.0.6) sha256=8daf828cc77bcf7d63b0e3bdb6caa47e2272dcfaf4fbfe46f8c3a9df087a829b
+  unicode-display_width (3.1.4) sha256=8caf2af1c0f2f07ec89ef9e18c7d88c2790e217c482bfc78aaa65eadd5415ac1
+  unicode-emoji (4.0.4) sha256=2c2c4ef7f353e5809497126285a50b23056cc6e61b64433764a35eff6c36532a
+  uri (1.0.3) sha256=e9f2244608eea2f7bc357d954c65c910ce0399ca5e18a7a29207ac22d8767011
+  useragent (0.16.11) sha256=700e6413ad4bb954bb63547fa098dddf7b0ebe75b40cc6f93b8d54255b173844
+  webrick (1.9.1) sha256=b42d3c94f166f3fb73d87e9b359def9b5836c426fc8beacf38f2184a21b2a989
+  websocket-driver (0.8.0) sha256=ed0dba4b943c22f17f9a734817e808bc84cdce6a7e22045f5315aa57676d4962
+  websocket-extensions (0.1.5) sha256=1c6ba63092cda343eb53fc657110c71c754c56484aad42578495227d717a8241
+  xpath (3.2.0) sha256=6dfda79d91bb3b949b947ecc5919f042ef2f399b904013eb3ef6d20dd3a4082e
+  zeitwerk (2.7.3) sha256=b2e86b4a9b57d26ba68a15230dcc7fe6f040f06831ce64417b0621ad96ba3e85
+
+BUNDLED WITH
+   2.6.9
diff --git a/merit.gemspec b/merit.gemspec
index 581877d..7d1007a 100644
--- a/merit.gemspec
+++ b/merit.gemspec
@@ -13,6 +13,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version = '>= 2.3.0'
 
   s.add_runtime_dependency 'ambry', '~> 1.0.0'
+  s.add_runtime_dependency 'observer'
   s.add_runtime_dependency 'zeitwerk'
 
   s.add_development_dependency 'appraisal'
diff --git a/test/unit/target_finder_test.rb b/test/unit/target_finder_test.rb
index e04f7ac..15c10c8 100644
--- a/test/unit/target_finder_test.rb
+++ b/test/unit/target_finder_test.rb
@@ -85,10 +85,10 @@
           comment = Comment.new
           Comment.stubs(:find_by_id).with(40).returns(comment)
 
-          str = '[merit] NoMethodError on `Comment#non_existent`'
-          str << ' (called from Merit::TargetFinder#other_target)'
-
-          Rails.logger.expects(:warn).with(str)
+          Rails.logger.expects(:warn).with(
+            '[merit] NoMethodError on `Comment#non_existent`' \
+            ' (called from Merit::TargetFinder#other_target)'
+          )
           finder = Merit::TargetFinder.new(rule, action)
           _(finder.find).must_be_empty
         end