diff --git a/.github/workflows/github-actions.yml b/.github/workflows/github-actions.yml
index 3eeb0b7f..4a28b4b4 100644
--- a/.github/workflows/github-actions.yml
+++ b/.github/workflows/github-actions.yml
@@ -88,7 +88,7 @@ jobs:
           bundle exec database_consistency -c .database_consistency.todo.yml
 
   tests:
-      name: RSpec
+      name: Tests
       runs-on: ubuntu-latest
       steps:
         - uses: actions/checkout@v4
diff --git a/Gemfile b/Gemfile
index 858f19a2..4303283c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -32,12 +32,16 @@ gem "tzinfo-data", platforms: %i[windows jruby]
 
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
+  gem "better_errors"
+  gem "binding_of_caller"
   gem "brakeman"
+  gem "bullet"
   gem "bundle-audit"
   gem "database_consistency"
   gem "debug", platforms: %i[mri windows]
   gem "dotenv"
   gem "erb_lint", require: false
+  gem "letter_opener"
   gem "pry-byebug"
   gem "rspec-rails"
   gem "rubocop-capybara", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 963b5293..d7be3424 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,6 +88,10 @@ GEM
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
     base64 (0.2.0)
+    better_errors (2.10.1)
+      erubi (>= 1.0.0)
+      rack (>= 0.9.0)
+      rouge (>= 1.0.0)
     better_html (2.1.1)
       actionview (>= 6.0)
       activesupport (>= 6.0)
@@ -97,11 +101,16 @@ GEM
       smart_properties
     bigdecimal (3.1.8)
     bindex (0.8.1)
+    binding_of_caller (1.0.1)
+      debug_inspector (>= 1.2.0)
     bootsnap (1.18.3)
       msgpack (~> 1.2)
     brakeman (6.1.2)
       racc
     builder (3.3.0)
+    bullet (7.1.6)
+      activesupport (>= 3.0.0)
+      uniform_notifier (~> 1.11)
     bundle-audit (0.1.0)
       bundler-audit
     bundler-audit (0.9.1)
@@ -133,6 +142,7 @@ GEM
     debug (1.9.2)
       irb (~> 1.10)
       reline (>= 0.3.8)
+    debug_inspector (1.2.0)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.5.1)
@@ -214,6 +224,8 @@ GEM
     launchy (3.0.1)
       addressable (~> 2.8)
       childprocess (~> 5.0)
+    letter_opener (1.10.0)
+      launchy (>= 2.2, < 4)
     lint_roller (1.1.0)
     loofah (2.22.0)
       crass (~> 1.0.2)
@@ -327,6 +339,7 @@ GEM
       io-console (~> 0.5)
     rexml (3.3.1)
       strscan
+    rouge (4.3.0)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -444,6 +457,7 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
+    uniform_notifier (1.16.0)
     virtus (2.0.0)
       axiom-types (~> 0.1)
       coercible (~> 1.0)
@@ -468,8 +482,11 @@ PLATFORMS
 DEPENDENCIES
   action_policy (~> 0.7.0)
   activerecord-enhancedsqlite3-adapter (~> 0.8.0)
+  better_errors
+  binding_of_caller
   bootsnap
   brakeman
+  bullet
   bundle-audit
   capybara
   cuprite
@@ -479,6 +496,7 @@ DEPENDENCIES
   erb_lint
   fuubar
   importmap-rails
+  letter_opener
   mission_control-jobs
   propshaft
   pry-byebug
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 25334d0b..11966457 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -1,6 +1,15 @@
 require "active_support/core_ext/integer/time"
 
 Rails.application.configure do
+  config.after_initialize do
+    Bullet.enable = true
+    Bullet.alert = true
+    Bullet.bullet_logger = true
+    Bullet.console = true
+    Bullet.rails_logger = true
+    Bullet.add_footer = true
+  end
+
   # Settings specified here will take precedence over those in config/application.rb.
 
   # In the development environment your application's code is reloaded any time
@@ -36,6 +45,11 @@
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local
 
+  # Preview email in the default browser instead of sending it.
+  config.action_mailer.delivery_method = :letter_opener
+
+  config.action_mailer.perform_deliveries = true
+
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false