diff --git a/support/ci/generate b/support/ci/generate
index 17a56d6261..78fff787ea 100755
--- a/support/ci/generate
+++ b/support/ci/generate
@@ -12,20 +12,11 @@ end
 
 class CI
   RUBY_VERSIONS = [
-    MRI_RUBY = [
-      RUBY_3_2 = "ruby-3.2",
-      RUBY_3_1 = "ruby-3.1",
-      RUBY_3_0 = "ruby-3.0"
-    ],
+    MRI_RUBY = [RUBY_3_2 = "ruby-3.2", RUBY_3_1 = "ruby-3.1", RUBY_3_0 = "ruby-3.0"],
     TRUFFLE_RUBY = "truffleruby"
   ].flatten
 
-  DATA_TYPES = [
-    DATA_TEXT = "text",
-    DATA_BINARY = "binary",
-    DATA_JSON = "json",
-    DATA_JSONB = "jsonb"
-  ]
+  DATA_TYPES = [DATA_TEXT = "text", DATA_BINARY = "binary", DATA_JSON = "json", DATA_JSONB = "jsonb"]
 
   DATA_TYPES_IN_AR = [DATA_BINARY, DATA_TYPES.drop(2)].flatten
   DATA_TYPES_IN_SEQUEL = [DATA_TEXT, DATA_TYPES.drop(2)].flatten
@@ -34,10 +25,8 @@ class CI
     SQLITE = "sqlite:db.sqlite3",
     SQLITE3 = "sqlite3:db.sqlite3",
     POSTGRES = [
-      POSTGRES_15 =
-        "postgres://postgres:secret@localhost:10015/rails_event_store?pool=5",
-      POSTGRES_11 =
-        "postgres://postgres:secret@localhost:10011/rails_event_store?pool=5"
+      POSTGRES_15 = "postgres://postgres:secret@localhost:10015/rails_event_store?pool=5",
+      POSTGRES_11 = "postgres://postgres:secret@localhost:10011/rails_event_store?pool=5"
     ],
     MYSQL = [
       MYSQL_8 = "mysql2://root:secret@127.0.0.1:10008/rails_event_store?pool=5",
@@ -47,20 +36,11 @@ class CI
 
   GEMFILE = "Gemfile"
 
-  RAILS_GEMFILES = [
-    GEMFILE_RAILS_6_1 = "Gemfile.rails_6_1",
-    GEMFILE_RAILS_6_0 = "Gemfile.rails_6_0"
-  ].flatten
+  RAILS_GEMFILES = [GEMFILE_RAILS_6_1 = "Gemfile.rails_6_1", GEMFILE_RAILS_6_0 = "Gemfile.rails_6_0"].flatten
 
-  AS_GEMFILES = [
-    GEMFILE_AS_6_1 = "Gemfile.activesupport_6_1",
-    GEMFILE_AS_6_0 = "Gemfile.activesupport_6_0"
-  ]
+  AS_GEMFILES = [GEMFILE_AS_6_1 = "Gemfile.activesupport_6_1", GEMFILE_AS_6_0 = "Gemfile.activesupport_6_0"]
 
-  SIDEKIQ_GEMFILES = [
-    GEMFILE_SIDEKIQ_6_5 = "Gemfile.sidekiq_6_5",
-    GEMFILE_SIDEKIQ_5_2 = "Gemfile.sidekiq_5_2"
-  ]
+  SIDEKIQ_GEMFILES = [GEMFILE_SIDEKIQ_6_5 = "Gemfile.sidekiq_6_5", GEMFILE_SIDEKIQ_5_2 = "Gemfile.sidekiq_5_2"]
 
   def workflows
     [
@@ -75,29 +55,14 @@ class CI
       release_coverage("ruby_event_store-rspec"),
       release_test(
         "ruby_event_store-browser",
-        steps: [
-          checkout,
-          verify_lockfile,
-          setup_ruby,
-          setup_node,
-          cache_elm,
-          make("install-npm test")
-        ],
-        matrix:
-          generate(
-            ruby_version(RUBY_VERSIONS),
-            bundle_gemfile(GEMFILE, "Gemfile.rack_2_0")
-          )
+        steps: [checkout, verify_lockfile, setup_ruby, setup_node, cache_elm, make("install-npm test")],
+        matrix: generate(ruby_version(RUBY_VERSIONS), bundle_gemfile(GEMFILE, "Gemfile.rack_2_0"))
       ),
       release_mutate("ruby_event_store-browser"),
       release_coverage("ruby_event_store-browser"),
       release_test(
         "rails_event_store",
-        matrix:
-          generate(
-            ruby_version(RUBY_VERSIONS),
-            bundle_gemfile(GEMFILE, RAILS_GEMFILES)
-          )
+        matrix: generate(ruby_version(RUBY_VERSIONS), bundle_gemfile(GEMFILE, RAILS_GEMFILES))
       ),
       release_mutate("rails_event_store"),
       release_coverage("rails_event_store"),
@@ -109,10 +74,7 @@ class CI
             ruby_version(RUBY_VERSIONS),
             bundle_gemfile(GEMFILE),
             join(
-              generate(
-                database_url(SQLITE3),
-                data_type(DATA_TYPES_IN_AR.take(1))
-              ),
+              generate(database_url(SQLITE3), data_type(DATA_TYPES_IN_AR.take(1))),
               generate(database_url(POSTGRES), data_type(DATA_TYPES_IN_AR)),
               generate(database_url(MYSQL), data_type(DATA_TYPES_IN_AR.take(2)))
             )
@@ -122,8 +84,7 @@ class CI
       release_coverage("ruby_event_store-active_record"),
       contrib_test(
         "ruby_event_store-flipper",
-        matrix:
-          generate(ruby_version(MRI_RUBY), bundle_gemfile(GEMFILE, AS_GEMFILES))
+        matrix: generate(ruby_version(MRI_RUBY), bundle_gemfile(GEMFILE, AS_GEMFILES))
       ),
       contrib_mutate("ruby_event_store-flipper"),
       contrib_coverage("ruby_event_store-flipper"),
@@ -141,14 +102,7 @@ class CI
               database_url(SQLITE3, MYSQL_5, MYSQL_8)
             )
           ),
-        steps: [
-          checkout,
-          setup_nix,
-          setup_cachix,
-          verify_lockfile,
-          setup_ruby,
-          make_nix_shell("test")
-        ]
+        steps: [checkout, setup_nix, setup_cachix, verify_lockfile, setup_ruby, make_nix_shell("test")]
       ),
       contrib_mutate(
         "ruby_event_store-outbox",
@@ -163,14 +117,7 @@ class CI
       ),
       contrib_coverage(
         "ruby_event_store-outbox",
-        steps: [
-          checkout,
-          setup_nix,
-          setup_cachix,
-          verify_lockfile,
-          setup_ruby,
-          make_nix_shell("mutate")
-        ]
+        steps: [checkout, setup_nix, setup_cachix, verify_lockfile, setup_ruby, make_nix_shell("mutate")]
       ),
       contrib_test("ruby_event_store-profiler"),
       contrib_mutate("ruby_event_store-profiler"),
@@ -244,21 +191,8 @@ class CI
       contrib_coverage("ruby_event_store-sequel"),
       contrib_test(
         "ruby_event_store-sidekiq_scheduler",
-        matrix:
-          join(
-            generate(
-              ruby_version(MRI_RUBY),
-              bundle_gemfile(GEMFILE, SIDEKIQ_GEMFILES)
-            )
-          ),
-        steps: [
-          checkout,
-          setup_nix,
-          setup_cachix,
-          verify_lockfile,
-          setup_ruby,
-          make_nix_shell("test")
-        ]
+        matrix: join(generate(ruby_version(MRI_RUBY), bundle_gemfile(GEMFILE, SIDEKIQ_GEMFILES))),
+        steps: [checkout, setup_nix, setup_cachix, verify_lockfile, setup_ruby, make_nix_shell("test")]
       ),
       contrib_mutate(
         "ruby_event_store-sidekiq_scheduler",
@@ -273,14 +207,7 @@ class CI
       ),
       contrib_coverage(
         "ruby_event_store-sidekiq_scheduler",
-        steps: [
-          checkout,
-          setup_nix,
-          setup_cachix,
-          verify_lockfile,
-          setup_ruby,
-          make_nix_shell("mutate")
-        ]
+        steps: [checkout, setup_nix, setup_cachix, verify_lockfile, setup_ruby, make_nix_shell("mutate")]
       ),
       contrib_test("ruby_event_store-transformations"),
       contrib_mutate("ruby_event_store-transformations"),
@@ -288,7 +215,7 @@ class CI
       contrib_test("minitest-ruby_event_store"),
       contrib_mutate("minitest-ruby_event_store"),
       contrib_coverage("minitest-ruby_event_store"),
-      contrib_test("dres_client", paths: dres_paths("dres_client_test")),
+      contrib_test("dres_client", triggers: dres_triggers("dres_client_test")),
       contrib_test(
         "dres_rails",
         services: [postgres_11, postgres_15],
@@ -301,7 +228,7 @@ class CI
               data_type(DATA_TYPES_IN_AR)
             )
           ),
-        paths: dres_paths("dres_rails_test")
+        triggers: dres_triggers("dres_rails_test")
       ),
       assets("ruby_event_store-browser")
     ]
@@ -313,10 +240,7 @@ class CI
     end
 
     def verify_lockfile
-      {
-        "run" => "test -e ${{ env.BUNDLE_GEMFILE }}.lock",
-        "working-directory" => "${{ env.WORKING_DIRECTORY }}"
-      }
+      { "run" => "test -e ${{ env.BUNDLE_GEMFILE }}.lock", "working-directory" => "${{ env.WORKING_DIRECTORY }}" }
     end
 
     def setup_ruby
@@ -336,8 +260,7 @@ class CI
         "with" => {
           "node-version" => 18,
           "cache" => "npm",
-          "cache-dependency-path" =>
-            "${{ env.WORKING_DIRECTORY }}/elm/package-lock.json"
+          "cache-dependency-path" => "${{ env.WORKING_DIRECTORY }}/elm/package-lock.json"
         }
       }
     end
@@ -347,19 +270,13 @@ class CI
         "uses" => "actions/cache@v3",
         "with" => {
           "path" => "~/.elm",
-          "key" =>
-            "elm-${{ hashFiles(format('{0}/elm/elm.json', env.WORKING_DIRECTORY)) }}"
+          "key" => "elm-${{ hashFiles(format('{0}/elm/elm.json', env.WORKING_DIRECTORY)) }}"
         }
       }
     end
 
     def setup_nix
-      {
-        "uses" => "cachix/install-nix-action@v20",
-        "with" => {
-          "nix_path" => "nixpkgs=channel:nixos-unstable"
-        }
-      }
+      { "uses" => "cachix/install-nix-action@v20", "with" => { "nix_path" => "nixpkgs=channel:nixos-unstable" } }
     end
 
     def setup_cachix
@@ -373,26 +290,20 @@ class CI
     end
 
     def make_nix_shell(target, imports: ["redis.nix"])
-      {
-        "run" => <<~SHELL,
-          nix-shell --run "make #{target}" -E"
-            with import <nixpkgs> { };
-            mkShell {
-              inputsFrom = [
-                #{imports.map { |i| "(import ../../support/nix/#{i})" }.join("\n")}
-              ];
-            }
-          "
-        SHELL
-        "working-directory" => "${{ env.WORKING_DIRECTORY }}"
-      }
+      { "run" => <<~SHELL, "working-directory" => "${{ env.WORKING_DIRECTORY }}" }
+        nix-shell --run "make #{target}" -E"
+          with import <nixpkgs> { };
+          mkShell {
+            inputsFrom = [
+              #{imports.map { |i| "(import ../../support/nix/#{i})" }.join("\n")}
+            ];
+          }
+        "
+      SHELL
     end
 
     def make(target)
-      {
-        "run" => "make #{target}",
-        "working-directory" => "${{ env.WORKING_DIRECTORY }}"
-      }
+      { "run" => "make #{target}", "working-directory" => "${{ env.WORKING_DIRECTORY }}" }
     end
 
     def upload_artifact(name)
@@ -417,17 +328,11 @@ class CI
     end
 
     def set_short_sha_env
-      {
-        "run" =>
-          "echo \"SHORT_SHA=$(git rev-parse --short=12 HEAD)\" >> $GITHUB_ENV"
-      }
+      { "run" => "echo \"SHORT_SHA=$(git rev-parse --short=12 HEAD)\" >> $GITHUB_ENV" }
     end
 
     def aws_s3_sync
-      {
-        "run" =>
-          "aws s3 sync ${{ env.WORKING_DIRECTORY }}/public s3://ruby-event-store-assets/${{ env.SHORT_SHA }}"
-      }
+      { "run" => "aws s3 sync ${{ env.WORKING_DIRECTORY }}/public s3://ruby-event-store-assets/${{ env.SHORT_SHA }}" }
     end
   end
   include Actions
@@ -453,193 +358,27 @@ class CI
     def scheduled_trigger
       { "schedule" => [{ "cron" => "0 17 * * *" }] }
     end
-  end
-  include Triggers
-
-  module Workflows
-    def release_test(
-      name,
-      matrix: generate(ruby_version(RUBY_VERSIONS), bundle_gemfile(GEMFILE)),
-      steps: [checkout, verify_lockfile, setup_ruby, make("test")],
-      services: [],
-      paths: release_paths("#{name}_test")
-    )
-      {
-        name: "#{name}_test",
-        working_directory: name,
-        matrix: matrix,
-        job_name: "test",
-        services: services,
-        steps: steps,
-        paths: paths,
-        on: [
-          manual_trigger,
-          api_trigger,
-          push_trigger(paths.dup),
-          pr_trigger(paths.dup)
-        ]
-      }
-    end
 
-    def contrib_test(
-      name,
-      matrix: generate(ruby_version(MRI_RUBY), bundle_gemfile(GEMFILE)),
-      steps: [checkout, verify_lockfile, setup_ruby, make("test")],
-      services: [],
-      paths: contrib_paths("#{name}_test", "contrib/#{name}")
-    )
-      {
-        name: "#{name}_test",
-        working_directory: "contrib/#{name}",
-        matrix: matrix,
-        job_name: "test",
-        services: services,
-        steps: steps,
-        paths: paths,
-        on: [
-          manual_trigger,
-          api_trigger,
-          push_trigger(paths.dup),
-          pr_trigger(paths.dup)
-        ]
-      }
+    def release_triggers(workflow_name)
+      paths = release_paths(workflow_name)
+      [manual_trigger, api_trigger, push_trigger(paths.dup), pr_trigger(paths.dup)]
     end
 
-    def release_mutate(
-      name,
-      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
-      steps: [
-        checkout(depth: 0),
-        verify_lockfile,
-        setup_ruby,
-        make("mutate-changes")
-      ],
-      services: [],
-      paths: release_paths("#{name}_mutate")
-    )
-      {
-        name: "#{name}_mutate",
-        working_directory: name,
-        matrix: matrix,
-        job_name: "mutate",
-        services: services,
-        steps: steps,
-        paths: paths,
-        on: [
-          manual_trigger,
-          api_trigger,
-          push_trigger(paths.dup),
-          pr_trigger(paths.dup)
-        ]
-      }
-    end
-
-    def contrib_mutate(
-      name,
-      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
-      steps: [
-        checkout(depth: 0),
-        verify_lockfile,
-        setup_ruby,
-        make("mutate-changes")
-      ],
-      services: [],
-      paths: contrib_paths("#{name}_mutate", "contrib/#{name}")
-    )
-      {
-        name: "#{name}_mutate",
-        working_directory: "contrib/#{name}",
-        matrix: matrix,
-        job_name: "mutate",
-        services: services,
-        steps: steps,
-        paths: paths,
-        on: [
-          manual_trigger,
-          api_trigger,
-          push_trigger(paths.dup),
-          pr_trigger(paths.dup)
-        ]
-      }
-    end
-
-    def release_coverage(
-      name,
-      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
-      steps: [checkout, verify_lockfile, setup_ruby, make("mutate")],
-      services: [],
-      paths: coverage_paths("#{name}_coverage", name)
-    )
-      {
-        name: "#{name}_coverage",
-        working_directory: name,
-        matrix: matrix,
-        job_name: "coverage",
-        services: services,
-        steps: steps,
-        paths: paths,
-        on: [
-          manual_trigger,
-          api_trigger,
-          push_trigger(paths.dup),
-          pr_trigger(paths.dup),
-          scheduled_trigger
-        ]
-      }
+    def contrib_triggers(workflow_name, working_directory)
+      paths = contrib_paths(workflow_name, working_directory)
+      [manual_trigger, api_trigger, push_trigger(paths.dup), pr_trigger(paths.dup)]
     end
 
-    def contrib_coverage(
-      name,
-      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
-      steps: [checkout, verify_lockfile, setup_ruby, make("mutate")],
-      services: [],
-      paths: coverage_paths("#{name}_coverage", "contrib/#{name}")
-    )
-      {
-        name: "#{name}_coverage",
-        working_directory: "contrib/#{name}",
-        matrix: matrix,
-        job_name: "coverage",
-        services: services,
-        steps: steps,
-        paths: paths,
-        on: [
-          manual_trigger,
-          api_trigger,
-          push_trigger(paths.dup),
-          pr_trigger(paths.dup),
-          scheduled_trigger
-        ]
-      }
+    def coverage_triggers(workflow_name, working_directory)
+      paths = coverage_paths(workflow_name, working_directory)
+      [manual_trigger, api_trigger, push_trigger(paths.dup), pr_trigger(paths.dup), scheduled_trigger]
     end
 
-    def assets(name)
-      {
-        name: "#{name}_assets",
-        working_directory: name,
-        matrix: [],
-        job_name: "assets",
-        services: [],
-        steps: [
-          checkout,
-          setup_node,
-          cache_elm,
-          make("install-npm"),
-          make("build-npm"),
-          upload_artifact("ruby_event_store_browser.js"),
-          upload_artifact("ruby_event_store_browser.css"),
-          configure_aws_credentials,
-          set_short_sha_env,
-          aws_s3_sync
-        ],
-        paths: [],
-        on: [manual_trigger, api_trigger, push_trigger]
-      }
+    def dres_triggers(workflow_name)
+      paths = dres_paths(workflow_name)
+      [manual_trigger, api_trigger, push_trigger(paths.dup), pr_trigger(paths.dup)]
     end
-  end
-  include Workflows
 
-  module Paths
     def release_paths(workflow_name)
       [
         %w[
@@ -656,19 +395,13 @@ class CI
     end
 
     def contrib_paths(workflow_name, working_directory)
-      [
-        own_paths(working_directory),
-        workflow_paths(workflow_name),
-        support_paths
-      ].reduce(&:concat).uniq
+      [own_paths(working_directory), workflow_paths(workflow_name), support_paths].reduce(&:concat).uniq
     end
 
     def coverage_paths(workflow_name, working_directory)
-      [
-        [working_directory].map { |wd| "#{wd}/Gemfile.lock" },
-        workflow_paths(workflow_name),
-        support_paths
-      ].reduce(&:concat).uniq
+      [[working_directory].map { |wd| "#{wd}/Gemfile.lock" }, workflow_paths(workflow_name), support_paths].reduce(
+        &:concat
+      ).uniq
     end
 
     def dres_paths(workflow_name)
@@ -691,7 +424,7 @@ class CI
       %w[support/** !support/bundler/** !support/ci/**]
     end
   end
-  include Paths
+  include Triggers
 
   module Services
     def postgres_11
@@ -703,8 +436,7 @@ class CI
             "POSTGRES_PASSWORD" => "secret"
           },
           "ports" => ["10011:5432"],
-          "options" =>
-            "--health-cmd \"pg_isready\" --health-interval 10s --health-timeout 5s --health-retries 5"
+          "options" => "--health-cmd \"pg_isready\" --health-interval 10s --health-timeout 5s --health-retries 5"
         }
       }
     end
@@ -718,8 +450,7 @@ class CI
             "POSTGRES_PASSWORD" => "secret"
           },
           "ports" => ["10015:5432"],
-          "options" =>
-            "--health-cmd \"pg_isready\" --health-interval 10s --health-timeout 5s --health-retries 5"
+          "options" => "--health-cmd \"pg_isready\" --health-interval 10s --health-timeout 5s --health-retries 5"
         }
       }
     end
@@ -733,8 +464,7 @@ class CI
             "MYSQL_ROOT_PASSWORD" => "secret"
           },
           "ports" => ["10008:3306"],
-          "options" =>
-            "--health-cmd \"mysqladmin ping\" --health-interval 10s --health-timeout 5s --health-retries 5"
+          "options" => "--health-cmd \"mysqladmin ping\" --health-interval 10s --health-timeout 5s --health-retries 5"
         }
       }
     end
@@ -748,8 +478,7 @@ class CI
             "MYSQL_ROOT_PASSWORD" => "secret"
           },
           "ports" => ["10005:3306"],
-          "options" =>
-            "--health-cmd \"mysqladmin ping\" --health-interval 10s --health-timeout 5s --health-retries 5"
+          "options" => "--health-cmd \"mysqladmin ping\" --health-interval 10s --health-timeout 5s --health-retries 5"
         }
       }
     end
@@ -787,64 +516,178 @@ class CI
   end
   include Matrix
 
-  def as_github_actions
-    workflows.each do |gem|
-      name = gem.fetch(:name)
-      filename = "#{name}.yml"
-      env = { "WORKING_DIRECTORY" => gem.fetch(:working_directory) }.merge(
-        matrix_env_vars(gem.fetch(:matrix))
+  module Workflows
+    class Workflow
+      include Triggers
+      include Matrix
+      include Actions
+
+      def initialize(
+        gem,
+        job_name: "test",
+        name: "#{gem}_#{job_name}",
+        working_directory: gem,
+        matrix: generate(ruby_version(RUBY_VERSIONS), bundle_gemfile(GEMFILE)),
+        steps: [checkout, verify_lockfile, setup_ruby, make("test")],
+        services: [],
+        triggers: release_triggers(name)
       )
-      job =
+        @gem = gem
+        @job_name = job_name
+        @name = name
+        @working_directory = working_directory
+        @matrix = matrix
+        @steps = steps
+        @services = services
+        @triggers = triggers
+      end
+
+      def to_h
+        { "name" => name, "on" => triggers.reduce(&:merge), "jobs" => { job_name => job } }
+      end
+
+      attr_reader :gem, :job_name, :name, :working_directory, :matrix, :steps, :services, :triggers
+
+      private
+
+      def job
         {
           "runs-on" => "ubuntu-20.04",
           "timeout-minutes" => 120,
-          "env" => env,
-          "services" => gem.fetch(:services).reduce(&:merge),
+          "env" => { "WORKING_DIRECTORY" => working_directory }.merge(env(matrix)),
+          "services" => services.reduce(&:merge),
           "strategy" => {
             "fail-fast" => false,
             "matrix" => {
-              "include" => gem.fetch(:matrix)
+              "include" => matrix
             }
           },
-          "steps" => gem.fetch(:steps)
-        }.reject { |k, v| k == "services" && gem.fetch(:services).empty? }
-          .reject { |k, v| k == "strategy" && gem.fetch(:matrix).empty? }
-
-      File.write(
-        File.join(workflows_root, filename),
-        as_formatted_yaml(
-          {
-            "name" => name,
-            "on" => gem.fetch(:on).reduce(&:merge),
-            "jobs" => {
-              gem.fetch(:job_name) => job
-            }
-          }
-        )
+          "steps" => steps
+        }.reject { |k, _| k == "services" && services.empty? }.reject { |k, _| k == "strategy" && matrix.empty? }
+      end
+
+      def env(matrix)
+        matrix
+          .take(1)
+          .reduce({}) do |acc, matrix_item|
+            matrix_item.reduce(acc) { |acc, (key, _)| acc.merge(key.upcase => "${{ matrix.#{key} }}") }
+          end
+      end
+    end
+
+    def release_test(name, **)
+      Workflow.new(name, **)
+    end
+
+    def contrib_test(
+      name,
+      working_directory: "contrib/#{name}",
+      matrix: generate(ruby_version(MRI_RUBY), bundle_gemfile(GEMFILE)),
+      **
+    )
+      Workflow.new(
+        name,
+        working_directory: working_directory,
+        matrix: matrix,
+        triggers: contrib_triggers("#{name}_test", working_directory),
+        **
       )
+    end
 
-      puts "writing #{filename}"
+    def release_mutate(
+      name,
+      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
+      steps: [checkout(depth: 0), verify_lockfile, setup_ruby, make("mutate-changes")],
+      **
+    )
+      Workflow.new(name, job_name: "mutate", matrix: matrix, steps: steps, **)
+    end
+
+    def contrib_mutate(
+      name,
+      working_directory: "contrib/#{name}",
+      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
+      steps: [checkout(depth: 0), verify_lockfile, setup_ruby, make("mutate-changes")],
+      **
+    )
+      Workflow.new(
+        name,
+        job_name: "mutate",
+        working_directory: working_directory,
+        matrix: matrix,
+        steps: steps,
+        triggers: contrib_triggers("#{name}_mutate", working_directory),
+        **
+      )
+    end
+
+    def release_coverage(
+      name,
+      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
+      steps: [checkout, verify_lockfile, setup_ruby, make("mutate")],
+      **
+    )
+      Workflow.new(
+        name,
+        job_name: "coverage",
+        matrix: matrix,
+        steps: steps,
+        triggers: coverage_triggers("#{name}_coverage", name),
+        **
+      )
+    end
+
+    def contrib_coverage(
+      name,
+      working_directory: "contrib/#{name}",
+      matrix: generate(ruby_version(MRI_RUBY.take(1)), bundle_gemfile(GEMFILE)),
+      steps: [checkout, verify_lockfile, setup_ruby, make("mutate")],
+      **
+    )
+      Workflow.new(
+        name,
+        job_name: "coverage",
+        working_directory: working_directory,
+        matrix: matrix,
+        steps: steps,
+        triggers: coverage_triggers("#{name}_coverage", working_directory),
+        **
+      )
+    end
+
+    def assets(name)
+      Workflow.new(
+        name,
+        job_name: "assets",
+        matrix: [],
+        steps: [
+          checkout,
+          setup_node,
+          cache_elm,
+          make("install-npm"),
+          make("build-npm"),
+          upload_artifact("ruby_event_store_browser.js"),
+          upload_artifact("ruby_event_store_browser.css"),
+          configure_aws_credentials,
+          set_short_sha_env,
+          aws_s3_sync
+        ],
+        triggers: [manual_trigger, api_trigger, push_trigger]
+      )
     end
   end
+  include Workflows
 
-  def matrix_env_vars(matrix)
-    matrix
-      .take(1)
-      .reduce({}) do |acc, matrix_item|
-        matrix_item.reduce(acc) do |acc, (key, _)|
-          acc.merge(key.upcase => "${{ matrix.#{key} }}")
-        end
-      end
+  def as_github_actions
+    workflows.each do |workflow|
+      filename = "#{workflow.name}.yml"
+      File.write(File.join(workflows_root, filename), as_yaml(workflow.to_h))
+      puts "writing #{filename}"
+    end
   end
 
-  def as_formatted_yaml(content)
-    Psych
-      .safe_dump(content, line_width: 120)
-      .lines
-      .drop(1)
-      .join
-      .strip
-      .gsub(/'on':\n/, "on:\n")
+  def as_yaml(content)
+    Psych.safe_dump(content, line_width: 120).lines.drop(1).join.strip.gsub(/'on':\n/, "on:\n")
   end
 
   def initialize(workflows_root, template_root)
@@ -855,7 +698,4 @@ class CI
   attr_reader :workflows_root, :template_root
 end
 
-CI.new(
-  File.join(__dir__, "../../.github/workflows/"),
-  __dir__
-).as_github_actions
+CI.new(File.join(__dir__, "../../.github/workflows/"), __dir__).as_github_actions