From dbd849589be303e31395239bae5bea20fd87b4ef Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 21 Mar 2026 14:02:55 +0200
Subject: [PATCH 01/19] Workflow model

---
 app/models/task.rb                             |  1 +
 app/models/task_status.rb                      |  1 +
 app/models/workflow.rb                         | 11 +++++++++++
 db/migrate/20260321114951_create_workflows.rb  | 14 ++++++++++++++
 ...21_add_workflow_id_to_statuses_and_tasks.rb |  6 ++++++
 db/schema.rb                                   | 18 +++++++++++++++++-
 6 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 app/models/workflow.rb
 create mode 100644 db/migrate/20260321114951_create_workflows.rb
 create mode 100644 db/migrate/20260321115521_add_workflow_id_to_statuses_and_tasks.rb

diff --git a/app/models/task.rb b/app/models/task.rb
index 467273b..1b736d3 100644
--- a/app/models/task.rb
+++ b/app/models/task.rb
@@ -3,6 +3,7 @@
 class Task < ApplicationRecord
   belongs_to :project
   belongs_to :status, class_name: 'TaskStatus'
+  belongs_to :workflow
 
   validates :number, :title, presence: true
   validates :number, numericality: { greater_than: 0 }
diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index a13768d..8ba0a17 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -2,6 +2,7 @@
 
 class TaskStatus < ApplicationRecord
   belongs_to :project
+  belongs_to :workflow
 
   enum :category, { backlog: 100, analysis: 1000, development: 20_000, fulfillment: 60_000 }
 
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
new file mode 100644
index 0000000..e69b8b2
--- /dev/null
+++ b/app/models/workflow.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class Workflow < ApplicationRecord
+  belongs_to :project
+
+  has_many :tasks, dependent: :restrict_with_exception
+  has_mnay :statuses, dependent: :restrict_with_error
+
+  enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
+  enum :color, { blue: 'blue', gray: 'gray', yellow: 'yellow', red: 'red' }, default: 'gray', scopes: false
+end
diff --git a/db/migrate/20260321114951_create_workflows.rb b/db/migrate/20260321114951_create_workflows.rb
new file mode 100644
index 0000000..08a4958
--- /dev/null
+++ b/db/migrate/20260321114951_create_workflows.rb
@@ -0,0 +1,14 @@
+class CreateWorkflows < ActiveRecord::Migration[8.1]
+  def change
+    create_table :workflows do |t|
+      t.belongs_to :project, null: false, foreign_key: true
+      t.string :name, null: false
+      t.string :icon, null: false
+      t.string :color, null: false
+
+      t.index %i[project_id name], unique: true
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20260321115521_add_workflow_id_to_statuses_and_tasks.rb b/db/migrate/20260321115521_add_workflow_id_to_statuses_and_tasks.rb
new file mode 100644
index 0000000..68a03c4
--- /dev/null
+++ b/db/migrate/20260321115521_add_workflow_id_to_statuses_and_tasks.rb
@@ -0,0 +1,6 @@
+class AddWorkflowIdToStatusesAndTasks < ActiveRecord::Migration[8.1]
+  def change
+    add_belongs_to :tasks, :workflow
+    add_belongs_to :task_statuses, :workflow
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index f05bd18..a124fed 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_03_01_141927) do
+ActiveRecord::Schema[8.1].define(version: 2026_03_21_115521) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.text "body", size: :long
     t.datetime "created_at", null: false
@@ -75,9 +75,11 @@ ActiveRecord::Schema[8.1].define(version: 2026_03_01_141927) do
     t.string "name", null: false
     t.bigint "project_id", null: false
     t.datetime "updated_at", null: false
+    t.bigint "workflow_id"
     t.index ["project_id", "category", "name"], name: "index_task_statuses_on_project_id_and_category_and_name"
     t.index ["project_id", "name"], name: "index_task_statuses_on_project_id_and_name", unique: true
     t.index ["project_id"], name: "index_task_statuses_on_project_id"
+    t.index ["workflow_id"], name: "index_task_statuses_on_workflow_id"
   end
 
   create_table "tasks", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
@@ -87,8 +89,10 @@ ActiveRecord::Schema[8.1].define(version: 2026_03_01_141927) do
     t.bigint "status_id"
     t.string "title", null: false
     t.datetime "updated_at", null: false
+    t.bigint "workflow_id"
     t.index ["project_id"], name: "index_tasks_on_project_id"
     t.index ["status_id"], name: "index_tasks_on_status_id"
+    t.index ["workflow_id"], name: "index_tasks_on_workflow_id"
   end
 
   create_table "users", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
@@ -99,10 +103,22 @@ ActiveRecord::Schema[8.1].define(version: 2026_03_01_141927) do
     t.index ["email_address"], name: "index_users_on_email_address", unique: true
   end
 
+  create_table "workflows", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.string "color", null: false
+    t.datetime "created_at", null: false
+    t.string "icon", null: false
+    t.string "name", null: false
+    t.bigint "project_id", null: false
+    t.datetime "updated_at", null: false
+    t.index ["project_id", "name"], name: "index_workflows_on_project_id_and_name", unique: true
+    t.index ["project_id"], name: "index_workflows_on_project_id"
+  end
+
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "sessions", "users"
   add_foreign_key "task_statuses", "projects"
   add_foreign_key "tasks", "projects"
   add_foreign_key "tasks", "task_statuses", column: "status_id"
+  add_foreign_key "workflows", "projects"
 end

From fb9d884313be4baa6f5a52dab51cc695e4f53717 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 21 Mar 2026 14:48:27 +0200
Subject: [PATCH 02/19] Tasks creation (mostly)

---
 app/controllers/tasks_controller.rb           |  4 ++--
 .../form_projects_selector_controller.js      | 10 ++------
 app/jobs/projects/post_init_job.rb            |  5 ++--
 app/models/project.rb                         |  1 +
 app/models/task.rb                            |  4 ++--
 app/models/task_status.rb                     |  9 +++++++
 app/models/workflow.rb                        |  2 +-
 app/services/tasks/create.rb                  |  5 ++--
 app/views/tasks/_table_row.html.slim          |  3 +++
 app/views/tasks/new.html.slim                 |  8 +++++--
 lib/projects/create_default_task_statuses.rb  | 18 --------------
 lib/projects/create_defaults.rb               | 24 +++++++++++++++++++
 lib/tasks/data_migrations.rake                | 23 ++++++++++++++++++
 vendor/assets/images/mingcute/task_line.svg   |  1 +
 .../assets/images/mingcute/warning_line.svg   |  1 +
 15 files changed, 81 insertions(+), 37 deletions(-)
 delete mode 100644 lib/projects/create_default_task_statuses.rb
 create mode 100644 lib/projects/create_defaults.rb
 create mode 100644 vendor/assets/images/mingcute/task_line.svg
 create mode 100644 vendor/assets/images/mingcute/warning_line.svg

diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index 05e61d6..9776ea1 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -11,7 +11,7 @@ class TasksController < ApplicationController
                Task.all
              end
 
-    @tasks = @tasks.includes(:status, project: :task_statuses)
+    @tasks = @tasks.includes(:status, :workflow, project: :task_statuses)
   end
 
   def show; end
@@ -22,7 +22,7 @@ class TasksController < ApplicationController
   end
 
   def create
-    @form = Tasks::Create.new(params.expect(task: %i[project_id title description status_id]))
+    @form = Tasks::Create.new(params.expect(task: %i[project_id title description status_id workflow_id]))
     if @form.perform
       redirect_to tasks_path(project: @form.project)
     else
diff --git a/app/javascript/controllers/form_projects_selector_controller.js b/app/javascript/controllers/form_projects_selector_controller.js
index d2ca090..f89d0c1 100644
--- a/app/javascript/controllers/form_projects_selector_controller.js
+++ b/app/javascript/controllers/form_projects_selector_controller.js
@@ -2,20 +2,14 @@ import { Controller } from '@hotwired/stimulus'
 
 // TODO: unite with ProjectsSelectorController?
 class FormProjectsSelectorController extends Controller {
-    static values = {
-        frame: String
-    }
-
-    connect() {
-        console.log("Connected", this.element)
-    }
+    static targets = ['frame']
 
     changeProject(event) {
         const loc = new URL(location)
         const selected = event.target.selectedOptions[0]
         const code = selected.dataset.code
         loc.searchParams.set('project', code)
-        Turbo.visit(loc.toString(), {frame: this.frameValue})
+        Turbo.visit(loc.toString(), {frame: this.frameTarget})
     }
 }
 
diff --git a/app/jobs/projects/post_init_job.rb b/app/jobs/projects/post_init_job.rb
index a01fe32..3d6843a 100644
--- a/app/jobs/projects/post_init_job.rb
+++ b/app/jobs/projects/post_init_job.rb
@@ -4,14 +4,15 @@ module Projects
   class PostInitJob < ApplicationJob
     queue_as :default
 
-    include Projects::CreateDefaultTaskStatuses
+    include Projects::CreateDefaults
 
     def perform(project_id)
       project = Project.preparing.find(project_id)
 
       project.transaction do
+        workflow = create_default_workflow(project)
         create_tasks_number_sequence(project)
-        create_default_task_statuses(project)
+        create_default_task_statuses(project, workflow)
         project.update!(status: :ready)
       end
 
diff --git a/app/models/project.rb b/app/models/project.rb
index f29799c..50799f3 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -8,6 +8,7 @@ class Project < ApplicationRecord
 
   has_many :tasks, dependent: :restrict_with_exception
   has_many :task_statuses, dependent: :destroy
+  has_many :workflows, dependent: :destroy
 
   has_rich_text :description
 
diff --git a/app/models/task.rb b/app/models/task.rb
index 1b736d3..a5d7730 100644
--- a/app/models/task.rb
+++ b/app/models/task.rb
@@ -34,8 +34,8 @@ class Task < ApplicationRecord
   private
 
   def associations_should_have_same_project
-    return if status&.project == project
+    return if [project, status.project, workflow.project].uniq == [project]
 
-    errors.add(:status, "Doesn't belong in the same project")
+    errors.add(:base, "Project isn't the same across associations")
   end
 end
diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index 8ba0a17..e2f43ea 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -8,6 +8,15 @@ class TaskStatus < ApplicationRecord
 
   validates :name, presence: true, uniqueness: { scope: :project }
   validates :category, presence: true
+  validate :associations_should_have_same_project
 
   scope :default_order, -> { order(:category, :name) }
+
+  private
+
+  def associations_should_have_same_project
+    return if workflow.project == project
+
+    errors.add(:workflow, "Doesn't belong in the same project")
+  end
 end
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index e69b8b2..a39f941 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -4,7 +4,7 @@ class Workflow < ApplicationRecord
   belongs_to :project
 
   has_many :tasks, dependent: :restrict_with_exception
-  has_mnay :statuses, dependent: :restrict_with_error
+  has_many :statuses, dependent: :restrict_with_error
 
   enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
   enum :color, { blue: 'blue', gray: 'gray', yellow: 'yellow', red: 'red' }, default: 'gray', scopes: false
diff --git a/app/services/tasks/create.rb b/app/services/tasks/create.rb
index 42f6bf5..f7cb1a1 100644
--- a/app/services/tasks/create.rb
+++ b/app/services/tasks/create.rb
@@ -6,8 +6,9 @@ module Tasks
     attribute :title, :string
     attribute :description, :string
     attribute :status_id, :integer
+    attribute :workflow_id, :integer
 
-    validates :project_id, :title, :status_id, presence: true
+    validates :project_id, :title, :status_id, :workflow_id, presence: true
 
     delegate :model_name, to: Task
 
@@ -18,7 +19,7 @@ module Tasks
     end
 
     def perform
-      @task = project.tasks.build(title:, description:, status_id:, number: @project.next_task_number)
+      @task = project.tasks.build(title:, description:, status_id:, workflow_id:, number: @project.next_task_number)
       save @task
     end
   end
diff --git a/app/views/tasks/_table_row.html.slim b/app/views/tasks/_table_row.html.slim
index 45fa2c3..e359c9b 100644
--- a/app/views/tasks/_table_row.html.slim
+++ b/app/views/tasks/_table_row.html.slim
@@ -1,5 +1,8 @@
 - cache task do
   tr id="task_#{task.id}"
+    td
+      / TODO: extract into a presenter (and especially add color)
+      = image_tag('mingcute/task_line.svg', title: task.workflow.name)
     td= link_to task.full_number, task_path(task)
     td
       = task_status_selector task, with_form: true
diff --git a/app/views/tasks/new.html.slim b/app/views/tasks/new.html.slim
index aa3b1f1..df2dbcf 100644
--- a/app/views/tasks/new.html.slim
+++ b/app/views/tasks/new.html.slim
@@ -1,10 +1,14 @@
 h1 New task
 
-= form_with model: @form, data: {controller: 'form-projects-selector', 'form-projects-selector-frame-value' => 'status_select'} do |form|
+= form_with model: @form, data: {controller: 'form-projects-selector'} do |form|
   .field
     = form.label :project_id
     = form.select :project_id, Project.order(:name).map { |p| [p.name, p.id, {'data-code': p.code}] }, {}, data: {action: 'form-projects-selector#changeProject'}
-  = turbo_frame_tag :status_select do
+  = turbo_frame_tag :project_field_selects, data: {'form-projects-selector-target': 'frame'} do
+    .field
+      = form.label :workflow
+      = form.select :workflow_id, Workflow.where(project: @form.project).map { |w| [w.name, w.id] }
+
     .field
       = form.label :status_id
       = form.select :status_id, TaskStatus.where(project: @form.project).default_order.map { |ts| [ts.name, ts.id] }
diff --git a/lib/projects/create_default_task_statuses.rb b/lib/projects/create_default_task_statuses.rb
deleted file mode 100644
index a92a1fe..0000000
--- a/lib/projects/create_default_task_statuses.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-# frozen_string_literal: true
-
-module Projects
-  module CreateDefaultTaskStatuses
-    module_function
-
-    def create_default_task_statuses(project)
-      # TODO: make it configurable/templatable?
-
-      project.transaction do
-        project.task_statuses.create!(category: :backlog, name: 'Backlog')
-        project.task_statuses.create!(category: :analysis, name: 'To do')
-        project.task_statuses.create!(category: :development, name: 'In development')
-        project.task_statuses.create!(category: :fulfillment, name: 'Done')
-      end
-    end
-  end
-end
diff --git a/lib/projects/create_defaults.rb b/lib/projects/create_defaults.rb
new file mode 100644
index 0000000..d44d609
--- /dev/null
+++ b/lib/projects/create_defaults.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Projects
+  module CreateDefaults
+    module_function
+
+    def create_default_workflow(project)
+      project.transaction do
+        project.workflows.create!(name: 'Default')
+      end
+    end
+
+    def create_default_task_statuses(project, workflow)
+      # TODO: make it configurable/templatable?
+
+      project.transaction do
+        project.task_statuses.create!(workflow:, category: :backlog, name: 'Backlog')
+        project.task_statuses.create!(workflow:, category: :analysis, name: 'To do')
+        project.task_statuses.create!(workflow:, category: :development, name: 'In development')
+        project.task_statuses.create!(workflow:, category: :fulfillment, name: 'Done')
+      end
+    end
+  end
+end
diff --git a/lib/tasks/data_migrations.rake b/lib/tasks/data_migrations.rake
index f1507c7..5b42249 100644
--- a/lib/tasks/data_migrations.rake
+++ b/lib/tasks/data_migrations.rake
@@ -12,4 +12,27 @@ namespace :data_migrations do
       end
     end
   end
+
+  desc 'Create initial workflows for projects'
+  task create_initial_workflows: :environment do
+    Project.find_each do |project|
+      Projects::CreateDefaults.create_default_workflow(project)
+    end
+  end
+
+  desc 'Set workflows for statuses'
+  task set_default_task_status_workflows: :create_initial_workflows do
+    TaskStatus.includes(project: :workflows).find_each do |ts|
+      ts.workflow = ts.project.workflows.first
+      ts.save!
+    end
+  end
+
+  desc 'Set workflows for tasks'
+  task set_default_task_workflows: %i[create_initial_workflows set_default_task_status_workflows] do
+    Task.includes(project: :workflows).find_each do |task|
+      task.workflow = task.project.workflows.first
+      task.save!
+    end
+  end
 end
diff --git a/vendor/assets/images/mingcute/task_line.svg b/vendor/assets/images/mingcute/task_line.svg
new file mode 100644
index 0000000..e303c87
--- /dev/null
+++ b/vendor/assets/images/mingcute/task_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M15 2a2 2 0 0 1 1.732 1H18a2 2 0 0 1 2 2v12a5 5 0 0 1-5 5H6a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h1.268A2 2 0 0 1 9 2zM7 5H6v15h9a3 3 0 0 0 3-3V5h-1a2 2 0 0 1-2 2H9a2 2 0 0 1-2-2m9.238 4.379a1 1 0 0 1 0 1.414l-4.95 4.95a1 1 0 0 1-1.414 0l-2.12-2.122a1 1 0 0 1 1.413-1.414l1.415 1.414 4.242-4.242a1 1 0 0 1 1.414 0M15 4H9v1h6z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/warning_line.svg b/vendor/assets/images/mingcute/warning_line.svg
new file mode 100644
index 0000000..5ecd642
--- /dev/null
+++ b/vendor/assets/images/mingcute/warning_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M12 2c5.523 0 10 4.477 10 10s-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2m0 2a8 8 0 1 0 0 16 8 8 0 0 0 0-16m0 11a1 1 0 1 1 0 2 1 1 0 0 1 0-2m0-9a1 1 0 0 1 1 1v6a1 1 0 1 1-2 0V7a1 1 0 0 1 1-1'/></g></svg>
\ No newline at end of file

From 218e8a750eab1866699a11b6616aa9e962f54aaf Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 21 Mar 2026 15:20:04 +0200
Subject: [PATCH 03/19] Task creation (workflow dependent frames)

---
 app/controllers/tasks_controller.rb           |  9 ++++++++-
 ...> dependent_frames_selector_controller.js} | 12 ++++++-----
 app/models/workflow.rb                        |  2 +-
 app/views/tasks/_table_row.html.slim          |  5 ++++-
 app/views/tasks/new.html.slim                 | 20 ++++++++++---------
 5 files changed, 31 insertions(+), 17 deletions(-)
 rename app/javascript/controllers/{form_projects_selector_controller.js => dependent_frames_selector_controller.js} (50%)

diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index 9776ea1..39597ff 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -18,7 +18,8 @@ class TasksController < ApplicationController
 
   def new
     @project = fetch_project || Project.order(:name).first
-    @form = Tasks::Create.new(project_id: @project.id)
+    @workflow = fetch_workflow || @project.workflows.first
+    @form = Tasks::Create.new(project_id: @project.id, workflow_id: @workflow.id)
   end
 
   def create
@@ -70,6 +71,12 @@ class TasksController < ApplicationController
     Project.find_by!(code: params[:project])
   end
 
+  def fetch_workflow
+    return nil if params[:workflow_id].blank?
+
+    @project.workflows.find(params[:workflow_id])
+  end
+
   def fetch_task
     @task = Task.includes(:project).find_by_full_number_or_id!(params[:id])
     self.current_project = @task.project
diff --git a/app/javascript/controllers/form_projects_selector_controller.js b/app/javascript/controllers/dependent_frames_selector_controller.js
similarity index 50%
rename from app/javascript/controllers/form_projects_selector_controller.js
rename to app/javascript/controllers/dependent_frames_selector_controller.js
index f89d0c1..108ba90 100644
--- a/app/javascript/controllers/form_projects_selector_controller.js
+++ b/app/javascript/controllers/dependent_frames_selector_controller.js
@@ -1,16 +1,18 @@
 import { Controller } from '@hotwired/stimulus'
 
 // TODO: unite with ProjectsSelectorController?
-class FormProjectsSelectorController extends Controller {
+class DependentFramesSelectorController extends Controller {
+    static values = {'param': String}
+
     static targets = ['frame']
 
-    changeProject(event) {
+    refresh(event) {
         const loc = new URL(location)
         const selected = event.target.selectedOptions[0]
-        const code = selected.dataset.code
-        loc.searchParams.set('project', code)
+        const value = selected.dataset.code || selected.value
+        loc.searchParams.set(this.paramValue, value)
         Turbo.visit(loc.toString(), {frame: this.frameTarget})
     }
 }
 
-export default FormProjectsSelectorController
+export default DependentFramesSelectorController
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index a39f941..28d75ff 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -4,7 +4,7 @@ class Workflow < ApplicationRecord
   belongs_to :project
 
   has_many :tasks, dependent: :restrict_with_exception
-  has_many :statuses, dependent: :restrict_with_error
+  has_many :statuses, class_name: 'TaskStatus', dependent: :restrict_with_error
 
   enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
   enum :color, { blue: 'blue', gray: 'gray', yellow: 'yellow', red: 'red' }, default: 'gray', scopes: false
diff --git a/app/views/tasks/_table_row.html.slim b/app/views/tasks/_table_row.html.slim
index e359c9b..562e0af 100644
--- a/app/views/tasks/_table_row.html.slim
+++ b/app/views/tasks/_table_row.html.slim
@@ -2,7 +2,10 @@
   tr id="task_#{task.id}"
     td
       / TODO: extract into a presenter (and especially add color)
-      = image_tag('mingcute/task_line.svg', title: task.workflow.name)
+      - wf_icon = 'task_line'
+      - if task.workflow.icon == 'warning'
+        - wf_icon = 'warning_line'
+      = image_tag("mingcute/#{wf_icon}.svg", title: task.workflow.name)
     td= link_to task.full_number, task_path(task)
     td
       = task_status_selector task, with_form: true
diff --git a/app/views/tasks/new.html.slim b/app/views/tasks/new.html.slim
index df2dbcf..e40c8c3 100644
--- a/app/views/tasks/new.html.slim
+++ b/app/views/tasks/new.html.slim
@@ -1,17 +1,19 @@
 h1 New task
 
-= form_with model: @form, data: {controller: 'form-projects-selector'} do |form|
+= form_with model: @form, data: {controller: 'dependent-frames-selector', 'dependent-frames-selector-param-value': 'project'} do |form|
   .field
     = form.label :project_id
-    = form.select :project_id, Project.order(:name).map { |p| [p.name, p.id, {'data-code': p.code}] }, {}, data: {action: 'form-projects-selector#changeProject'}
-  = turbo_frame_tag :project_field_selects, data: {'form-projects-selector-target': 'frame'} do
-    .field
-      = form.label :workflow
-      = form.select :workflow_id, Workflow.where(project: @form.project).map { |w| [w.name, w.id] }
+    = form.select :project_id, Project.order(:name).map { |p| [p.name, p.id, {'data-code': p.code}] }, {}, data: {action: 'dependent-frames-selector#refresh'}
+  = turbo_frame_tag :project_field_selects, data: {'dependent-frames-selector-target': 'frame'} do
+    fieldset data={controller: 'dependent-frames-selector', 'dependent-frames-selector-param-value': 'workflow_id'}
+      .field
+        = form.label :workflow
+        = form.select :workflow_id, Workflow.where(project: @form.project).map { |w| [w.name, w.id] }, {}, data: {action: 'dependent-frames-selector#refresh'}
 
-    .field
-      = form.label :status_id
-      = form.select :status_id, TaskStatus.where(project: @form.project).default_order.map { |ts| [ts.name, ts.id] }
+      = turbo_frame_tag :status_select, data: {'dependent-frames-selector-target': 'frame'}
+      .field
+        = form.label :status_id
+        = form.select :status_id, TaskStatus.where(workflow: @workflow).default_order.map { |ts| [ts.name, ts.id] }
   .field
     = form.label :title
     = form.text_field :title

From eb9f3e982c9606245d6963b16fb72ff4de0e0a1d Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 21 Mar 2026 15:35:09 +0200
Subject: [PATCH 04/19] Untie statuses from the project directly (tie to
 workflows)

---
 app/controllers/tasks_controller.rb                    |  2 +-
 app/models/project.rb                                  |  2 +-
 app/models/task_status.rb                              |  4 ++--
 app/models/workflow.rb                                 |  2 +-
 app/view_models/tasks/statuses/selector_view_model.rb  |  7 +++----
 app/views/tasks/_status_selector.html.slim             |  2 +-
 .../20260321132125_change_task_statuses_uniqueness.rb  |  9 +++++++++
 ...1132550_add_null_false_to_task_statuses_workflow.rb |  5 +++++
 ...0260321132740_drop_project_id_from_task_statuses.rb |  5 +++++
 db/schema.rb                                           | 10 +++-------
 10 files changed, 31 insertions(+), 17 deletions(-)
 create mode 100644 db/migrate/20260321132125_change_task_statuses_uniqueness.rb
 create mode 100644 db/migrate/20260321132550_add_null_false_to_task_statuses_workflow.rb
 create mode 100644 db/migrate/20260321132740_drop_project_id_from_task_statuses.rb

diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index 39597ff..d766283 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -11,7 +11,7 @@ class TasksController < ApplicationController
                Task.all
              end
 
-    @tasks = @tasks.includes(:status, :workflow, project: :task_statuses)
+    @tasks = @tasks.includes(:status, :project, workflow: :task_statuses)
   end
 
   def show; end
diff --git a/app/models/project.rb b/app/models/project.rb
index 50799f3..386bb4b 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -7,8 +7,8 @@ class Project < ApplicationRecord
   validates :code, exclusion: { in: %w[new] }, uniqueness: true, format: { with: /\A[a-z][a-z0-9]{1,}\z/ }
 
   has_many :tasks, dependent: :restrict_with_exception
-  has_many :task_statuses, dependent: :destroy
   has_many :workflows, dependent: :destroy
+  has_many :task_statuses, through: :workflows
 
   has_rich_text :description
 
diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index e2f43ea..6aeae6f 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -1,12 +1,12 @@
 # frozen_string_literal: true
 
 class TaskStatus < ApplicationRecord
-  belongs_to :project
   belongs_to :workflow
+  has_one :project, through: :workflow
 
   enum :category, { backlog: 100, analysis: 1000, development: 20_000, fulfillment: 60_000 }
 
-  validates :name, presence: true, uniqueness: { scope: :project }
+  validates :name, presence: true, uniqueness: { scope: :workflow }
   validates :category, presence: true
   validate :associations_should_have_same_project
 
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index 28d75ff..102856d 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -4,7 +4,7 @@ class Workflow < ApplicationRecord
   belongs_to :project
 
   has_many :tasks, dependent: :restrict_with_exception
-  has_many :statuses, class_name: 'TaskStatus', dependent: :restrict_with_error
+  has_many :task_statuses, dependent: :restrict_with_error
 
   enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
   enum :color, { blue: 'blue', gray: 'gray', yellow: 'yellow', red: 'red' }, default: 'gray', scopes: false
diff --git a/app/view_models/tasks/statuses/selector_view_model.rb b/app/view_models/tasks/statuses/selector_view_model.rb
index dc5b401..b9ad4e4 100644
--- a/app/view_models/tasks/statuses/selector_view_model.rb
+++ b/app/view_models/tasks/statuses/selector_view_model.rb
@@ -17,16 +17,15 @@ module Tasks
         view_context.render(
           partial: 'tasks/status_selector',
           locals: { task: @task, id: dom_id, with_form: @with_form,
-                    project_task_statuses:,
+                    workflow_task_statuses:,
                     task_status_badge: ->(status) { task_status_badge(status, view_context) }}
         )
       end
 
       private
 
-      def project_task_statuses
-        # TODO: refactor because it causes N+1 (task statuses loaded separately)
-        @task.project.task_statuses.default_order
+      def workflow_task_statuses
+        @task.workflow.task_statuses.sort_by { |e| [e.category, e.name] }
       end
 
       def task_status_badge(status, view_context)
diff --git a/app/views/tasks/_status_selector.html.slim b/app/views/tasks/_status_selector.html.slim
index c91c34b..957c2d8 100644
--- a/app/views/tasks/_status_selector.html.slim
+++ b/app/views/tasks/_status_selector.html.slim
@@ -1,7 +1,7 @@
 details.dropdown.task-status-selector id=id data-controller="tasks--status-selector"
   summary= task_status_badge[task.status]
   ul
-    - project_task_statuses.each do |status|
+    - workflow_task_statuses.each do |status|
       li
         a href="#" data-status-id="#{status.id}" data-action="tasks--status-selector#changeStatus:prevent" = task_status_badge[status]
   - if with_form
diff --git a/db/migrate/20260321132125_change_task_statuses_uniqueness.rb b/db/migrate/20260321132125_change_task_statuses_uniqueness.rb
new file mode 100644
index 0000000..04d8a99
--- /dev/null
+++ b/db/migrate/20260321132125_change_task_statuses_uniqueness.rb
@@ -0,0 +1,9 @@
+class ChangeTaskStatusesUniqueness < ActiveRecord::Migration[8.1]
+  def change
+    change_table :task_statuses, bulk: true do |t|
+      t.remove_index %i[project_id name], unique: true
+      t.remove_index %i[project_id category name]
+      t.index %i[workflow_id name], unique: true
+    end
+  end
+end
diff --git a/db/migrate/20260321132550_add_null_false_to_task_statuses_workflow.rb b/db/migrate/20260321132550_add_null_false_to_task_statuses_workflow.rb
new file mode 100644
index 0000000..bb6b62d
--- /dev/null
+++ b/db/migrate/20260321132550_add_null_false_to_task_statuses_workflow.rb
@@ -0,0 +1,5 @@
+class AddNullFalseToTaskStatusesWorkflow < ActiveRecord::Migration[8.1]
+  def change
+    change_column_null :task_statuses, :workflow_id, false
+  end
+end
diff --git a/db/migrate/20260321132740_drop_project_id_from_task_statuses.rb b/db/migrate/20260321132740_drop_project_id_from_task_statuses.rb
new file mode 100644
index 0000000..407b78a
--- /dev/null
+++ b/db/migrate/20260321132740_drop_project_id_from_task_statuses.rb
@@ -0,0 +1,5 @@
+class DropProjectIdFromTaskStatuses < ActiveRecord::Migration[8.1]
+  def change
+    remove_reference :task_statuses, :project, foreign_key: true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a124fed..6cfd8d2 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_03_21_115521) do
+ActiveRecord::Schema[8.1].define(version: 2026_03_21_132740) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.text "body", size: :long
     t.datetime "created_at", null: false
@@ -73,12 +73,9 @@ ActiveRecord::Schema[8.1].define(version: 2026_03_21_115521) do
     t.integer "category", limit: 2, null: false, unsigned: true
     t.datetime "created_at", null: false
     t.string "name", null: false
-    t.bigint "project_id", null: false
     t.datetime "updated_at", null: false
-    t.bigint "workflow_id"
-    t.index ["project_id", "category", "name"], name: "index_task_statuses_on_project_id_and_category_and_name"
-    t.index ["project_id", "name"], name: "index_task_statuses_on_project_id_and_name", unique: true
-    t.index ["project_id"], name: "index_task_statuses_on_project_id"
+    t.bigint "workflow_id", null: false
+    t.index ["workflow_id", "name"], name: "index_task_statuses_on_workflow_id_and_name", unique: true
     t.index ["workflow_id"], name: "index_task_statuses_on_workflow_id"
   end
 
@@ -117,7 +114,6 @@ ActiveRecord::Schema[8.1].define(version: 2026_03_21_115521) do
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "sessions", "users"
-  add_foreign_key "task_statuses", "projects"
   add_foreign_key "tasks", "projects"
   add_foreign_key "tasks", "task_statuses", column: "status_id"
   add_foreign_key "workflows", "projects"

From 72af5a06102fd33050cda7d62a172f9467de05d4 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 21 Mar 2026 19:57:01 +0200
Subject: [PATCH 05/19] Workflow display styling

---
 app/assets/stylesheets/tasks.css              |  6 ++++
 app/assets/stylesheets/workflows.css          | 26 +++++++++++++++++
 app/helpers/workflows_helper.rb               |  8 ++++++
 .../tasks/statuses/selector_view_model.rb     |  2 +-
 .../workflows/display_view_model.rb           | 28 +++++++++++++++++++
 app/views/tasks/_table_row.html.slim          |  7 +----
 app/views/tasks/show.html.slim                |  1 +
 app/views/workflows/_display.html.slim        |  4 +++
 8 files changed, 75 insertions(+), 7 deletions(-)
 create mode 100644 app/assets/stylesheets/workflows.css
 create mode 100644 app/helpers/workflows_helper.rb
 create mode 100644 app/view_models/workflows/display_view_model.rb
 create mode 100644 app/views/workflows/_display.html.slim

diff --git a/app/assets/stylesheets/tasks.css b/app/assets/stylesheets/tasks.css
index 3c5a50f..392529b 100644
--- a/app/assets/stylesheets/tasks.css
+++ b/app/assets/stylesheets/tasks.css
@@ -28,4 +28,10 @@
 .task-show-info {
     display: flex;
     flex-flow: row nowrap;
+    align-items: center;
+    gap: 0.5em;
+
+    > * {
+        margin: 0;
+    }
 }
diff --git a/app/assets/stylesheets/workflows.css b/app/assets/stylesheets/workflows.css
new file mode 100644
index 0000000..7bc05a3
--- /dev/null
+++ b/app/assets/stylesheets/workflows.css
@@ -0,0 +1,26 @@
+.workflow {
+    --bg-color: #D1D5DB; /* Pico zinc 150 */
+    --text-color: oklch(from var(--bg-color) calc(0.55 * l) calc(0.55 * c) h);
+
+    border-radius: 1em;
+    background-color: var(--bg-color);
+    color: var(--text-color);
+
+    display: flex;
+    flex-flow: row nowrap;
+    justify-content: center;
+    min-width: 2em;
+    padding: 0.1em 0.5em;
+    gap: 0.5em;
+    text-align: center;
+
+    > img {
+        max-width: unset;
+        width: 1lh;
+        opacity: 0.6;
+    }
+
+    &.red {
+        --bg-color: #F06048; /* Pico red 400 */
+    }
+}
diff --git a/app/helpers/workflows_helper.rb b/app/helpers/workflows_helper.rb
new file mode 100644
index 0000000..001eb1c
--- /dev/null
+++ b/app/helpers/workflows_helper.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+
+module WorkflowsHelper
+  def workflow_display(workflow, **)
+    render Workflows::DisplayViewModel.new(workflow, **)
+  end
+end
diff --git a/app/view_models/tasks/statuses/selector_view_model.rb b/app/view_models/tasks/statuses/selector_view_model.rb
index b9ad4e4..64fd319 100644
--- a/app/view_models/tasks/statuses/selector_view_model.rb
+++ b/app/view_models/tasks/statuses/selector_view_model.rb
@@ -18,7 +18,7 @@ module Tasks
           partial: 'tasks/status_selector',
           locals: { task: @task, id: dom_id, with_form: @with_form,
                     workflow_task_statuses:,
-                    task_status_badge: ->(status) { task_status_badge(status, view_context) }}
+                    task_status_badge: ->(status) { task_status_badge(status, view_context) } }
         )
       end
 
diff --git a/app/view_models/workflows/display_view_model.rb b/app/view_models/workflows/display_view_model.rb
new file mode 100644
index 0000000..9501dcb
--- /dev/null
+++ b/app/view_models/workflows/display_view_model.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Workflows
+  class DisplayViewModel
+    DEFAULT_ICON = 'task_line'
+    ICONS = {
+      warning: 'warning_line'
+    }.freeze
+
+    def initialize(workflow, full: false)
+      @workflow = workflow
+      @full = full
+    end
+
+    def icon
+      icon = ICONS.fetch(@workflow.icon.to_sym, DEFAULT_ICON)
+
+      "mingcute/#{icon}.svg"
+    end
+
+    def render_in(view_context)
+      view_context.render(
+        partial: 'workflows/display',
+        locals: @workflow.attributes.symbolize_keys.merge(icon:, full: @full)
+      )
+    end
+  end
+end
diff --git a/app/views/tasks/_table_row.html.slim b/app/views/tasks/_table_row.html.slim
index 562e0af..76cfae5 100644
--- a/app/views/tasks/_table_row.html.slim
+++ b/app/views/tasks/_table_row.html.slim
@@ -1,11 +1,6 @@
 - cache task do
   tr id="task_#{task.id}"
-    td
-      / TODO: extract into a presenter (and especially add color)
-      - wf_icon = 'task_line'
-      - if task.workflow.icon == 'warning'
-        - wf_icon = 'warning_line'
-      = image_tag("mingcute/#{wf_icon}.svg", title: task.workflow.name)
+    td= workflow_display task.workflow
     td= link_to task.full_number, task_path(task)
     td
       = task_status_selector task, with_form: true
diff --git a/app/views/tasks/show.html.slim b/app/views/tasks/show.html.slim
index aaade18..07292a6 100644
--- a/app/views/tasks/show.html.slim
+++ b/app/views/tasks/show.html.slim
@@ -3,6 +3,7 @@ div
 h1= @task.title
 
 section.task-show-info
+  = workflow_display @task.workflow, full: true
   = task_status_selector @task, with_form: true
   = turbo_stream_from @task, :status, :with_form
 
diff --git a/app/views/workflows/_display.html.slim b/app/views/workflows/_display.html.slim
new file mode 100644
index 0000000..5be1e6f
--- /dev/null
+++ b/app/views/workflows/_display.html.slim
@@ -0,0 +1,4 @@
+div.workflow class=color title=name
+  = image_tag(icon)
+  - if full
+    span= name

From 1c1d11cbe6b0f0b44b21bccf964a58259ef5b584 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sun, 22 Mar 2026 22:50:37 +0200
Subject: [PATCH 06/19] Workflows index

---
 app/assets/stylesheets/application.css        | 31 +++++++++++++++++++
 app/assets/stylesheets/tabs.css               | 28 +++++++++++++++++
 app/assets/stylesheets/workflows.css          | 21 ++++++-------
 .../project_admin/application_controller.rb   | 13 ++++++++
 .../project_admin/workflows_controller.rb     |  9 ++++++
 app/helpers/application_helper.rb             | 10 ++++++
 app/helpers/project_admin/workflows_helper.rb |  2 ++
 app/helpers/project_admin_helper.rb           | 11 +++++++
 .../project_admin/tabs_view_model.rb          | 29 +++++++++++++++++
 app/views/project_admin/_frame.html.slim      | 11 +++++++
 app/views/project_admin/_tabs.html.slim       |  3 ++
 .../project_admin/workflows/index.html.slim   |  9 ++++++
 app/views/projects/edit.html.slim             |  8 ++---
 app/views/workflows/_display.html.slim        |  4 +--
 config/routes.rb                              |  7 ++++-
 .../images/mingcute/external_link_line.svg    |  1 +
 16 files changed, 179 insertions(+), 18 deletions(-)
 create mode 100644 app/assets/stylesheets/tabs.css
 create mode 100644 app/controllers/project_admin/application_controller.rb
 create mode 100644 app/controllers/project_admin/workflows_controller.rb
 create mode 100644 app/helpers/project_admin/workflows_helper.rb
 create mode 100644 app/helpers/project_admin_helper.rb
 create mode 100644 app/view_models/project_admin/tabs_view_model.rb
 create mode 100644 app/views/project_admin/_frame.html.slim
 create mode 100644 app/views/project_admin/_tabs.html.slim
 create mode 100644 app/views/project_admin/workflows/index.html.slim
 create mode 100644 vendor/assets/images/mingcute/external_link_line.svg

diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index f296340..305c4b0 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -82,3 +82,34 @@ table {
         margin: 0;
     }
 }
+
+a[target=_blank]::after {
+    content: url("mingcute/external_link_line.svg");
+    display: inline-block;
+    scale: 0.7;
+    transform-origin: 0 50%;
+}
+
+.row {
+    display: flex;
+    flex-flow: row nowrap;
+    align-items: baseline;
+    gap: 1em;
+
+    > * {
+        margin: 0;
+    }
+
+    > .right {
+        margin-left: auto;
+    }
+}
+
+.mask-icon {
+    display: inline-block;
+    height: 1lh;
+    width: 1lh;
+    background-color: var(--icon-color, black);
+    mask-image: var(--icon, url("mingcute/task_line.svg"));
+    mask-size: 100%;
+}
diff --git a/app/assets/stylesheets/tabs.css b/app/assets/stylesheets/tabs.css
new file mode 100644
index 0000000..0cb98ad
--- /dev/null
+++ b/app/assets/stylesheets/tabs.css
@@ -0,0 +1,28 @@
+.tabs {
+    padding-inline: 0;
+
+    li {
+        list-style: none;
+        margin: 0;
+    }
+
+    display: flex;
+    flex-flow: row nowrap;
+    justify-content: flex-start;
+    gap: 0.25em;
+    
+    a {
+        text-decoration: none;
+        display: inline-block;
+        padding: 0.25em 0.5em;
+        border: 1px solid gray;
+        border-radius: 0.5em;
+
+        transition: background-color 0.2s, color 0.2s;
+
+        &.active, &:hover, &:focus {
+            background-color: var(--pico-primary);
+            color: white;
+        }
+    }
+}
diff --git a/app/assets/stylesheets/workflows.css b/app/assets/stylesheets/workflows.css
index 7bc05a3..7018909 100644
--- a/app/assets/stylesheets/workflows.css
+++ b/app/assets/stylesheets/workflows.css
@@ -1,26 +1,25 @@
 .workflow {
-    --bg-color: #D1D5DB; /* Pico zinc 150 */
-    --text-color: oklch(from var(--bg-color) calc(0.55 * l) calc(0.55 * c) h);
+    --color: #424751; /* Pico zinc 700 */
 
     border-radius: 1em;
-    background-color: var(--bg-color);
-    color: var(--text-color);
+    outline: 2px solid var(--color);
 
-    display: flex;
-    flex-flow: row nowrap;
-    justify-content: center;
+    display: inline-flex;
+    gap: 0.25em;
     min-width: 2em;
     padding: 0.1em 0.5em;
-    gap: 0.5em;
-    text-align: center;
+
+    > .mask-icon {
+        --icon-color: var(--color);
+    }
 
     > img {
         max-width: unset;
         width: 1lh;
-        opacity: 0.6;
+        opacity: 0.75;
     }
 
     &.red {
-        --bg-color: #F06048; /* Pico red 400 */
+        --color: #BD3C13; /* Pico orange 550 */
     }
 }
diff --git a/app/controllers/project_admin/application_controller.rb b/app/controllers/project_admin/application_controller.rb
new file mode 100644
index 0000000..bc023f8
--- /dev/null
+++ b/app/controllers/project_admin/application_controller.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  class ApplicationController < ::ApplicationController
+    before_action :fetch_project
+
+    private
+
+    def fetch_project
+      @project = Project.find_by!(code: params[:project_id])
+    end
+  end
+end
diff --git a/app/controllers/project_admin/workflows_controller.rb b/app/controllers/project_admin/workflows_controller.rb
new file mode 100644
index 0000000..a69b762
--- /dev/null
+++ b/app/controllers/project_admin/workflows_controller.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  class WorkflowsController < ApplicationController
+    def index
+      @workflows = @project.workflows
+    end
+  end
+end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 84f8109..eef67dc 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -6,4 +6,14 @@ module ApplicationHelper
 
     url_for(controller: controller_name, action: :index, project:)
   end
+
+  def mask_icon(icon, **options)
+    # Renders a span as a masked icon
+    case options[:class]
+    when String then options[:class] += ' mask-icon'
+    when nil then options[:class] = 'mask-icon'
+    else options[:class] = Array(options[:class]) + ['mask-icon']
+    end
+    content_tag(:span, '', style: "--icon: url(#{image_path(icon)})", **options)
+  end
 end
diff --git a/app/helpers/project_admin/workflows_helper.rb b/app/helpers/project_admin/workflows_helper.rb
new file mode 100644
index 0000000..a0e9f36
--- /dev/null
+++ b/app/helpers/project_admin/workflows_helper.rb
@@ -0,0 +1,2 @@
+module ProjectAdmin::WorkflowsHelper
+end
diff --git a/app/helpers/project_admin_helper.rb b/app/helpers/project_admin_helper.rb
new file mode 100644
index 0000000..9e46b92
--- /dev/null
+++ b/app/helpers/project_admin_helper.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module ProjectAdminHelper
+  def project_admin_frame(project, &)
+    tabs_id = 'project_admin_tabs'
+    tabs = ProjectAdmin::TabsViewModel.new(project, frame: :project_admin, id: tabs_id)
+    content = capture(&) if block_given?
+
+    render partial: 'project_admin/frame', locals: { id: :project_admin, tabs:, tabs_id:, content: }
+  end
+end
diff --git a/app/view_models/project_admin/tabs_view_model.rb b/app/view_models/project_admin/tabs_view_model.rb
new file mode 100644
index 0000000..7756f42
--- /dev/null
+++ b/app/view_models/project_admin/tabs_view_model.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  class TabsViewModel
+    include Rails.application.routes.url_helpers
+
+    def initialize(project, id:, frame:)
+      @project = project
+      @id = id
+      @frame = frame
+    end
+
+    def render_in(view_context)
+      view_context.render(
+        partial: 'project_admin/tabs',
+        locals: { project: @project, links:, id: @id, frame: @frame }
+      )
+    end
+
+    private
+
+    def links
+      {
+        'Data' => edit_project_path(@project),
+        'Workflows' => project_workflows_path(@project)
+      }
+    end
+  end
+end
diff --git a/app/views/project_admin/_frame.html.slim b/app/views/project_admin/_frame.html.slim
new file mode 100644
index 0000000..1087df0
--- /dev/null
+++ b/app/views/project_admin/_frame.html.slim
@@ -0,0 +1,11 @@
+h1
+  span> Project
+  span= @project.name
+
+= link_to '← Back', project_path(@project)
+
+= render tabs
+
+= turbo_frame_tag(id) do
+  = content
+  = turbo_stream.replace(tabs_id, tabs)
diff --git a/app/views/project_admin/_tabs.html.slim b/app/views/project_admin/_tabs.html.slim
new file mode 100644
index 0000000..5652181
--- /dev/null
+++ b/app/views/project_admin/_tabs.html.slim
@@ -0,0 +1,3 @@
+nav.tabs id=id
+  - links.each do |text, path|
+    li= link_to text, path, class: {'active': request.path == path}, data: {'turbo-frame': frame, 'turbo-action': 'advance'}
diff --git a/app/views/project_admin/workflows/index.html.slim b/app/views/project_admin/workflows/index.html.slim
new file mode 100644
index 0000000..80c82b9
--- /dev/null
+++ b/app/views/project_admin/workflows/index.html.slim
@@ -0,0 +1,9 @@
+= project_admin_frame(@project) do
+  h2
+    span Workflows
+
+  - @workflows.each do |workflow|
+    article.row
+      = workflow_display(workflow, full: true)
+      ul.links.right
+        li= link_to 'Edit', edit_project_workflow_path(@project, workflow), target: '_blank'
diff --git a/app/views/projects/edit.html.slim b/app/views/projects/edit.html.slim
index 386dbee..dc7c7e0 100644
--- a/app/views/projects/edit.html.slim
+++ b/app/views/projects/edit.html.slim
@@ -1,5 +1,5 @@
-h1
-  span Editing project
-  span= @project.name
+= project_admin_frame(@project) do
+  h2
+    span Editing project
 
-= render 'form'
+  = render 'form'
diff --git a/app/views/workflows/_display.html.slim b/app/views/workflows/_display.html.slim
index 5be1e6f..6e72610 100644
--- a/app/views/workflows/_display.html.slim
+++ b/app/views/workflows/_display.html.slim
@@ -1,4 +1,4 @@
 div.workflow class=color title=name
-  = image_tag(icon)
+  = mask_icon(icon)
   - if full
-    span= name
+    span<= name
diff --git a/config/routes.rb b/config/routes.rb
index 86a6e85..da6724a 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -16,7 +16,12 @@ Rails.application.routes.draw do
   # Defines the root path route ("/")
   # root "posts#index"
 
-  resources :projects
+  resources :projects do
+    scope module: :project_admin do
+      resources :workflows, only: %i[index new create edit update destroy]
+    end
+  end
+
   resources :tasks do
     patch :change_status, on: :member
   end
diff --git a/vendor/assets/images/mingcute/external_link_line.svg b/vendor/assets/images/mingcute/external_link_line.svg
new file mode 100644
index 0000000..63a2fc0
--- /dev/null
+++ b/vendor/assets/images/mingcute/external_link_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M11 6a1 1 0 1 1 0 2H5v11h11v-6a1 1 0 1 1 2 0v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2zm9-3a1 1 0 0 1 1 1v5a1 1 0 1 1-2 0V6.414l-8.293 8.293a1 1 0 0 1-1.414-1.414L17.586 5H15a1 1 0 1 1 0-2Z'/></g></svg>
\ No newline at end of file

From 83b296dbe7c070db5f3b4e85712ebf068ef880a7 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Tue, 24 Mar 2026 00:28:14 +0200
Subject: [PATCH 07/19] Changed workflows rendering again

---
 app/assets/stylesheets/application.css        | 20 -------------
 app/assets/stylesheets/badge.css              | 13 ++++++++
 app/assets/stylesheets/mask-icon.css          | 13 ++++++++
 app/assets/stylesheets/tasks.css              |  6 ++++
 app/assets/stylesheets/workflows.css          | 30 +++++++++++--------
 app/helpers/application_helper.rb             | 13 ++++----
 app/models/task_status.rb                     |  9 ------
 app/models/workflow.rb                        |  2 +-
 .../workflows/display_view_model.rb           | 11 +++----
 app/views/project_admin/_frame.html.slim      |  3 +-
 app/views/tasks/_table_row.html.slim          |  2 +-
 app/views/tasks/show.html.slim                |  2 +-
 app/views/workflows/_display.html.slim        |  2 +-
 13 files changed, 67 insertions(+), 59 deletions(-)
 create mode 100644 app/assets/stylesheets/badge.css
 create mode 100644 app/assets/stylesheets/mask-icon.css

diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index 305c4b0..a4cbd89 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -65,17 +65,6 @@ form {
     }
 }
 
-.badge {
-    font-size: 0.875em;
-    padding: 0.25em 0.5em;
-    border: 1px solid var(--border-color, currentColor);
-    color: var(--color, currentColor);
-    background-color: var(--background-color, transparent);
-    border-radius: 1em / 0.5em;
-    font-weight: 500;
-    text-transform: uppercase;
-}
-
 table {
     /* TODO: maybe extract into a separate file */
     details.dropdown {
@@ -104,12 +93,3 @@ a[target=_blank]::after {
         margin-left: auto;
     }
 }
-
-.mask-icon {
-    display: inline-block;
-    height: 1lh;
-    width: 1lh;
-    background-color: var(--icon-color, black);
-    mask-image: var(--icon, url("mingcute/task_line.svg"));
-    mask-size: 100%;
-}
diff --git a/app/assets/stylesheets/badge.css b/app/assets/stylesheets/badge.css
new file mode 100644
index 0000000..75c80dd
--- /dev/null
+++ b/app/assets/stylesheets/badge.css
@@ -0,0 +1,13 @@
+.badge {
+    font-size: 0.875em;
+    border-radius: 1em;
+
+    display: inline-flex;
+    gap: 0.25em;
+    min-width: 2em;
+    padding: 0.1em 0.5em;
+
+    font-weight: 500;
+    text-transform: uppercase;
+
+}
diff --git a/app/assets/stylesheets/mask-icon.css b/app/assets/stylesheets/mask-icon.css
new file mode 100644
index 0000000..f82b5b6
--- /dev/null
+++ b/app/assets/stylesheets/mask-icon.css
@@ -0,0 +1,13 @@
+.mask-icon {
+    display: inline-block;
+    background-color: var(--icon-color, currentColor);
+    mask-image: var(--icon);
+    mask-size: 100%;
+
+    height: 1lh;
+    width: 1lh;
+    transform: translateY(0.3em); /* Looks better when inline */
+    .badge & {
+        transform: unset;
+    }
+}
diff --git a/app/assets/stylesheets/tasks.css b/app/assets/stylesheets/tasks.css
index 392529b..c754dff 100644
--- a/app/assets/stylesheets/tasks.css
+++ b/app/assets/stylesheets/tasks.css
@@ -9,6 +9,12 @@
     --color: var(--backlog-color);
     --background-color: var(--backlog-bg);
 
+    &.badge {
+        border: 2px solid var(--border-color, currentColor);
+        color: var(--color, currentColor);
+        background-color: var(--background-color);
+    }
+
     &.analysis {
         --color: var(--analysis-color);
         --background-color: var(--analysis-bg);
diff --git a/app/assets/stylesheets/workflows.css b/app/assets/stylesheets/workflows.css
index 7018909..d5c9f4d 100644
--- a/app/assets/stylesheets/workflows.css
+++ b/app/assets/stylesheets/workflows.css
@@ -1,25 +1,29 @@
 .workflow {
     --color: #424751; /* Pico zinc 700 */
+    --icon: url("mingcute/task_line.svg");
 
-    border-radius: 1em;
-    outline: 2px solid var(--color);
-
-    display: inline-flex;
-    gap: 0.25em;
-    min-width: 2em;
-    padding: 0.1em 0.5em;
+    &.badge {
+        outline: 2px solid var(--color);
+        color: var(--color);
+    }
 
     > .mask-icon {
         --icon-color: var(--color);
     }
 
-    > img {
-        max-width: unset;
-        width: 1lh;
-        opacity: 0.75;
-    }
-
     &.red {
         --color: #BD3C13; /* Pico orange 550 */
     }
+
+    &.blue {
+        --color: #1D59D0; /* Pico blue 600 */
+    }
+
+    &.lime {
+        --color: #628100; /* Pico lime 500 */
+    }
+
+    &.teal {
+        --color: #047878; /* Pico cyan 550 */
+    }
 }
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index eef67dc..29e28f5 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -8,12 +8,11 @@ module ApplicationHelper
   end
 
   def mask_icon(icon, **options)
-    # Renders a span as a masked icon
-    case options[:class]
-    when String then options[:class] += ' mask-icon'
-    when nil then options[:class] = 'mask-icon'
-    else options[:class] = Array(options[:class]) + ['mask-icon']
-    end
-    content_tag(:span, '', style: "--icon: url(#{image_path(icon)})", **options)
+    klass = options.delete(:class)
+    klass = Array(klass)
+    klass << 'mask-icon'
+
+    icon_path = image_path("mingcute/#{icon}.svg")
+    content_tag(:span, '', class: klass, style: "--icon: url(#{icon_path})", **options)
   end
 end
diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index 6aeae6f..7bc4582 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -8,15 +8,6 @@ class TaskStatus < ApplicationRecord
 
   validates :name, presence: true, uniqueness: { scope: :workflow }
   validates :category, presence: true
-  validate :associations_should_have_same_project
 
   scope :default_order, -> { order(:category, :name) }
-
-  private
-
-  def associations_should_have_same_project
-    return if workflow.project == project
-
-    errors.add(:workflow, "Doesn't belong in the same project")
-  end
 end
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index 102856d..ec930ef 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -7,5 +7,5 @@ class Workflow < ApplicationRecord
   has_many :task_statuses, dependent: :restrict_with_error
 
   enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
-  enum :color, { blue: 'blue', gray: 'gray', yellow: 'yellow', red: 'red' }, default: 'gray', scopes: false
+  enum :color, { blue: 'blue', gray: 'gray', lime: 'lime', red: 'red', teal: 'teal' }, default: 'gray', scopes: false
 end
diff --git a/app/view_models/workflows/display_view_model.rb b/app/view_models/workflows/display_view_model.rb
index 9501dcb..d5d709b 100644
--- a/app/view_models/workflows/display_view_model.rb
+++ b/app/view_models/workflows/display_view_model.rb
@@ -7,21 +7,22 @@ module Workflows
       warning: 'warning_line'
     }.freeze
 
-    def initialize(workflow, full: false)
+    def initialize(workflow, badge: false, full: false)
       @workflow = workflow
+      @badge = badge
       @full = full
     end
 
-    def icon
-      icon = ICONS.fetch(@workflow.icon.to_sym, DEFAULT_ICON)
+    attr_reader :full, :badge
 
-      "mingcute/#{icon}.svg"
+    def icon
+      ICONS.fetch(@workflow.icon.to_sym, DEFAULT_ICON)
     end
 
     def render_in(view_context)
       view_context.render(
         partial: 'workflows/display',
-        locals: @workflow.attributes.symbolize_keys.merge(icon:, full: @full)
+        locals: @workflow.attributes.symbolize_keys.merge(full:, badge:, icon:)
       )
     end
   end
diff --git a/app/views/project_admin/_frame.html.slim b/app/views/project_admin/_frame.html.slim
index 1087df0..81337f8 100644
--- a/app/views/project_admin/_frame.html.slim
+++ b/app/views/project_admin/_frame.html.slim
@@ -8,4 +8,5 @@ h1
 
 = turbo_frame_tag(id) do
   = content
-  = turbo_stream.replace(tabs_id, tabs)
+  - if turbo_frame_request?
+    = turbo_stream.replace(tabs_id, tabs)
diff --git a/app/views/tasks/_table_row.html.slim b/app/views/tasks/_table_row.html.slim
index 76cfae5..13c81c6 100644
--- a/app/views/tasks/_table_row.html.slim
+++ b/app/views/tasks/_table_row.html.slim
@@ -1,6 +1,6 @@
 - cache task do
   tr id="task_#{task.id}"
-    td= workflow_display task.workflow
+    td= workflow_display task.workflow, badge: true
     td= link_to task.full_number, task_path(task)
     td
       = task_status_selector task, with_form: true
diff --git a/app/views/tasks/show.html.slim b/app/views/tasks/show.html.slim
index 07292a6..fac8421 100644
--- a/app/views/tasks/show.html.slim
+++ b/app/views/tasks/show.html.slim
@@ -3,7 +3,7 @@ div
 h1= @task.title
 
 section.task-show-info
-  = workflow_display @task.workflow, full: true
+  = workflow_display @task.workflow, full: true, badge: true
   = task_status_selector @task, with_form: true
   = turbo_stream_from @task, :status, :with_form
 
diff --git a/app/views/workflows/_display.html.slim b/app/views/workflows/_display.html.slim
index 6e72610..915df42 100644
--- a/app/views/workflows/_display.html.slim
+++ b/app/views/workflows/_display.html.slim
@@ -1,4 +1,4 @@
-div.workflow class=color title=name
+div.workflow class=[color, ('badge' if badge)] title=name
   = mask_icon(icon)
   - if full
     span<= name

From 32a7b07f2d1b5dc5f7614925813d918d10110e12 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sun, 29 Mar 2026 14:23:26 +0300
Subject: [PATCH 08/19] Workflow info and update

---
 .../project_admin/workflows_controller.rb     | 31 +++++++++++++++++++
 .../project_admin/workflows/update.rb         | 27 ++++++++++++++++
 .../project_admin/tabs_view_model.rb          |  2 +-
 .../project_admin/workflows/_form.html.slim   | 14 +++++++++
 .../project_admin/workflows/edit.html.slim    |  5 +++
 .../project_admin/workflows/index.html.slim   |  3 +-
 .../project_admin/workflows/show.html.slim    |  8 +++++
 config/routes.rb                              | 11 +++++--
 8 files changed, 97 insertions(+), 4 deletions(-)
 create mode 100644 app/services/project_admin/workflows/update.rb
 create mode 100644 app/views/project_admin/workflows/_form.html.slim
 create mode 100644 app/views/project_admin/workflows/edit.html.slim
 create mode 100644 app/views/project_admin/workflows/show.html.slim

diff --git a/app/controllers/project_admin/workflows_controller.rb b/app/controllers/project_admin/workflows_controller.rb
index a69b762..fb62575 100644
--- a/app/controllers/project_admin/workflows_controller.rb
+++ b/app/controllers/project_admin/workflows_controller.rb
@@ -2,8 +2,39 @@
 
 module ProjectAdmin
   class WorkflowsController < ApplicationController
+    before_action :fetch_workflow, only: %w[show edit update destroy]
+
     def index
       @workflows = @project.workflows
     end
+
+    def show
+      # TODO: add loading statuses and other things
+    end
+
+    def edit
+      @form = ProjectAdmin::Workflows::Update.new(
+        @workflow.attributes.slice('name', 'icon', 'color')
+      )
+    end
+
+    def update
+      @form = ProjectAdmin::Workflows::Update.new(params.expect(workflow: %i[name color icon]))
+
+      if @form.perform(@workflow)
+        redirect_to project_admin_workflow_path(@project, @workflow)
+      else
+        render :edit, status: :unprocessable_entity
+      end
+    end
+
+    def destroy
+    end
+
+    private
+
+    def fetch_workflow
+      @workflow = @project.workflows.find(params[:id])
+    end
   end
 end
diff --git a/app/services/project_admin/workflows/update.rb b/app/services/project_admin/workflows/update.rb
new file mode 100644
index 0000000..e48c297
--- /dev/null
+++ b/app/services/project_admin/workflows/update.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  module Workflows
+    class Update < ApplicationService
+      attribute :id, :integer
+      attribute :name, :string
+      attribute :icon, :string
+      attribute :color, :string
+
+      validates :name, presence: true
+      validates :icon, inclusion: { in: Workflow.icons.values }
+      validates :color, inclusion: { in: Workflow.colors.values }
+
+      delegate :model_name, to: Workflow
+
+      def persisted? = true
+
+      def perform(workflow)
+        @workflow = workflow
+        @id = workflow.id
+        @workflow.assign_attributes(icon:, color:, name:)
+        save @workflow
+      end
+    end
+  end
+end
diff --git a/app/view_models/project_admin/tabs_view_model.rb b/app/view_models/project_admin/tabs_view_model.rb
index 7756f42..a1d16ff 100644
--- a/app/view_models/project_admin/tabs_view_model.rb
+++ b/app/view_models/project_admin/tabs_view_model.rb
@@ -22,7 +22,7 @@ module ProjectAdmin
     def links
       {
         'Data' => edit_project_path(@project),
-        'Workflows' => project_workflows_path(@project)
+        'Workflows' => project_admin_workflows_path(@project)
       }
     end
   end
diff --git a/app/views/project_admin/workflows/_form.html.slim b/app/views/project_admin/workflows/_form.html.slim
new file mode 100644
index 0000000..fa0185f
--- /dev/null
+++ b/app/views/project_admin/workflows/_form.html.slim
@@ -0,0 +1,14 @@
+= form_with model: @form, url: url do |form|
+  .field
+    = form.label :name
+    = form.text_field :name
+  .field
+    / TODO: replace with radio buttons maybe
+    = form.label :color
+    = form.select :color, Workflow.colors
+  .field
+    / TODO: replace with radio buttons maybe
+    = form.label :icon
+    = form.select :icon, Workflow.icons
+  .submit
+    = form.submit 'Submit'
diff --git a/app/views/project_admin/workflows/edit.html.slim b/app/views/project_admin/workflows/edit.html.slim
new file mode 100644
index 0000000..80e3c3c
--- /dev/null
+++ b/app/views/project_admin/workflows/edit.html.slim
@@ -0,0 +1,5 @@
+h1
+  | Editing workflow
+  =< @workflow.name
+
+= render 'form', url: project_admin_workflow_path(@project, @workflow)
diff --git a/app/views/project_admin/workflows/index.html.slim b/app/views/project_admin/workflows/index.html.slim
index 80c82b9..a220a01 100644
--- a/app/views/project_admin/workflows/index.html.slim
+++ b/app/views/project_admin/workflows/index.html.slim
@@ -6,4 +6,5 @@
     article.row
       = workflow_display(workflow, full: true)
       ul.links.right
-        li= link_to 'Edit', edit_project_workflow_path(@project, workflow), target: '_blank'
+        li= link_to 'Info', project_admin_workflow_path(@project, workflow), target: '_blank'
+        li= link_to 'Edit', edit_project_admin_workflow_path(@project, workflow), target: '_blank'
diff --git a/app/views/project_admin/workflows/show.html.slim b/app/views/project_admin/workflows/show.html.slim
new file mode 100644
index 0000000..43e2976
--- /dev/null
+++ b/app/views/project_admin/workflows/show.html.slim
@@ -0,0 +1,8 @@
+h1
+  | Workflow
+
+= workflow_display @workflow, full: true, badge: true
+
+ul
+  - @workflow.task_statuses.each do |status|
+    li= status.name
diff --git a/config/routes.rb b/config/routes.rb
index da6724a..b4550d2 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -16,9 +16,16 @@ Rails.application.routes.draw do
   # Defines the root path route ("/")
   # root "posts#index"
 
+  root to: redirect('/projects')
+
   resources :projects do
-    scope module: :project_admin do
-      resources :workflows, only: %i[index new create edit update destroy]
+    namespace :project_admin, as: 'admin' do
+      resources :workflows do
+        namespace :statuses do
+          get '/', action: :index
+          patch '/', action: :batch_update
+        end
+      end
     end
   end
 

From 138f1c42a0e37e215372311f19f2fa719e63de50 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Tue, 31 Mar 2026 01:33:58 +0300
Subject: [PATCH 09/19] More generic rework of the project admin frame

Plus a minor fix on project edit
---
 app/helpers/project_admin_helper.rb            | 18 +++++++++++++++---
 .../project_admin/tabs_view_model.rb           | 15 +++------------
 app/views/projects/_form.html.slim             |  2 +-
 3 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/app/helpers/project_admin_helper.rb b/app/helpers/project_admin_helper.rb
index 9e46b92..d3f385c 100644
--- a/app/helpers/project_admin_helper.rb
+++ b/app/helpers/project_admin_helper.rb
@@ -1,11 +1,23 @@
 # frozen_string_literal: true
 
 module ProjectAdminHelper
+  FRAME_ID = 'admin_frame'
+  TABS_ID = 'admin_tabs'
+
   def project_admin_frame(project, &)
-    tabs_id = 'project_admin_tabs'
-    tabs = ProjectAdmin::TabsViewModel.new(project, frame: :project_admin, id: tabs_id)
+    links = {
+      'Data' => edit_project_path(project),
+      'Workflows' => project_admin_workflows_path(project)
+    }
+
+    title = "Project #{project.name}"
+    admin_frame(links, title:, &)
+  end
+
+  def admin_frame(links, title:, &)
+    tabs = ProjectAdmin::TabsViewModel.new(links, id: TABS_ID, frame: FRAME_ID)
     content = capture(&) if block_given?
 
-    render partial: 'project_admin/frame', locals: { id: :project_admin, tabs:, tabs_id:, content: }
+    render partial: 'project_admin/frame', locals: { id: FRAME_ID, tabs:, tabs_id: TABS_ID, title:, content: }
   end
 end
diff --git a/app/view_models/project_admin/tabs_view_model.rb b/app/view_models/project_admin/tabs_view_model.rb
index a1d16ff..fa528b5 100644
--- a/app/view_models/project_admin/tabs_view_model.rb
+++ b/app/view_models/project_admin/tabs_view_model.rb
@@ -4,8 +4,8 @@ module ProjectAdmin
   class TabsViewModel
     include Rails.application.routes.url_helpers
 
-    def initialize(project, id:, frame:)
-      @project = project
+    def initialize(links, id:, frame:)
+      @links = links
       @id = id
       @frame = frame
     end
@@ -13,17 +13,8 @@ module ProjectAdmin
     def render_in(view_context)
       view_context.render(
         partial: 'project_admin/tabs',
-        locals: { project: @project, links:, id: @id, frame: @frame }
+        locals: { project: @project, id: @id, frame: @frame, links: @links }
       )
     end
-
-    private
-
-    def links
-      {
-        'Data' => edit_project_path(@project),
-        'Workflows' => project_admin_workflows_path(@project)
-      }
-    end
   end
 end
diff --git a/app/views/projects/_form.html.slim b/app/views/projects/_form.html.slim
index a970dc2..4d26cdc 100644
--- a/app/views/projects/_form.html.slim
+++ b/app/views/projects/_form.html.slim
@@ -1,4 +1,4 @@
-= form_with model: @project do |form|
+= form_with model: @project, data: {'turbo-frame': '_top'} do |form|
   .field
     = form.label :code
     = form.text_field :code

From 9766430e69eeca2e885aea5faf7191122478b3c9 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Mon, 6 Apr 2026 02:30:33 +0300
Subject: [PATCH 10/19] Task status model rework

Replaced categories with colors, icons and positions
---
 app/assets/stylesheets/application.css        |  4 ---
 app/assets/stylesheets/tasks.css              | 28 +++++++++++++------
 app/models/task_status.rb                     |  5 ++--
 .../tasks/statuses/selector_view_model.rb     | 20 +++++++++++--
 ...5813_replace_old_status_fields_with_new.rb | 11 ++++++++
 db/schema.rb                                  |  6 ++--
 lib/tasks/data_migrations.rake                |  7 +++++
 .../images/mingcute/add_circle_fill.svg       |  1 +
 .../assets/images/mingcute/archive_line.svg   |  1 +
 vendor/assets/images/mingcute/checks_line.svg |  1 +
 .../images/mingcute/circle_dash_line.svg      |  1 +
 .../images/mingcute/external_link_line.svg    |  2 +-
 .../assets/images/mingcute/hamburger_line.svg |  2 +-
 vendor/assets/images/mingcute/hammer_fill.svg |  1 +
 .../images/mingcute/play_circle_fill.svg      |  1 +
 vendor/assets/images/mingcute/right_fill.svg  |  2 +-
 .../assets/images/mingcute/signature_line.svg |  1 +
 vendor/assets/images/mingcute/task_line.svg   |  2 +-
 vendor/assets/images/mingcute/tool_line.svg   |  1 +
 .../assets/images/mingcute/warning_line.svg   |  2 +-
 20 files changed, 74 insertions(+), 25 deletions(-)
 create mode 100644 db/migrate/20260404215813_replace_old_status_fields_with_new.rb
 create mode 100644 vendor/assets/images/mingcute/add_circle_fill.svg
 create mode 100644 vendor/assets/images/mingcute/archive_line.svg
 create mode 100644 vendor/assets/images/mingcute/checks_line.svg
 create mode 100644 vendor/assets/images/mingcute/circle_dash_line.svg
 create mode 100644 vendor/assets/images/mingcute/hammer_fill.svg
 create mode 100644 vendor/assets/images/mingcute/play_circle_fill.svg
 create mode 100644 vendor/assets/images/mingcute/signature_line.svg
 create mode 100644 vendor/assets/images/mingcute/tool_line.svg

diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index a4cbd89..34b4fe2 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -40,10 +40,6 @@ site-sidebar {
     /* For jade, light on dark looks better */
     --success-color: #70FCBA;  /* Pico jade 100 */
     --success-bg: #015234; /* Pico jade 700 */
-    --backlog-color: #424751; /* Pico zinc 700 */
-    --backlog-bg: #E0E3E7; /* Pico zinc 100 */ 
-    --analysis-color: #5B4200; /* Pico amber 700 */
-    --analysis-bg: #FDDEA6; /* Pico amber 100 */
     --info-color: #014C75; /* Pico azure 700 */
     --info-bg: #D1E5FB; /* Pico azure 100 */
 }
diff --git a/app/assets/stylesheets/tasks.css b/app/assets/stylesheets/tasks.css
index c754dff..6396fc6 100644
--- a/app/assets/stylesheets/tasks.css
+++ b/app/assets/stylesheets/tasks.css
@@ -6,8 +6,8 @@
 }
 
 .task-status {
-    --color: var(--backlog-color);
-    --background-color: var(--backlog-bg);
+    --color: #424751; /* Pico zinc 700 */
+    --background-color: #E0E3E7; /* Pico zinc 100 */
 
     &.badge {
         border: 2px solid var(--border-color, currentColor);
@@ -15,20 +15,30 @@
         background-color: var(--background-color);
     }
 
-    &.analysis {
-        --color: var(--analysis-color);
-        --background-color: var(--analysis-bg);
+    &.blue {
+        --color: #1D59D0; /* Pico blue 600 */
+        --background-color: #E0E1FA/* Pico blue 100 */
     }
 
-    &.development {
-        --color: var(--info-color);
-        --background-color: var(--info-bg);
+    &.yellow {
+        --background-color: #FDDEA6; /* Pico amber 100 */
+        --border-color: #A77C00; /* Pico amber 450 */
     }
 
-    &.fulfillment {
+    &.green {
         --color: var(--success-color);
         --background-color: var(--success-bg);
     }
+
+    &.purple {
+        --color: #9236A4; /* Pico purple 600 */
+        --background-color: #F2DCF4; /* Pico purple 100 */
+    }
+
+    &.pink {
+        --color: #B21E4F; /* Pico pink 600 */
+        --background-color: #F9DBDF; /* Pico pink 100 */
+    }
 }
 
 .task-show-info {
diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index 7bc4582..847d9d3 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -4,10 +4,11 @@ class TaskStatus < ApplicationRecord
   belongs_to :workflow
   has_one :project, through: :workflow
 
-  enum :category, { backlog: 100, analysis: 1000, development: 20_000, fulfillment: 60_000 }
+  enum :icon, %w[new achived done circle_dash hammer play tool].index_by(&:itself), default: 'new', scopes: false
+  enum :color, %w[blue gray yellow green purple pink].index_by(&:itself), default: 'gray', scopes: false
 
   validates :name, presence: true, uniqueness: { scope: :workflow }
   validates :category, presence: true
 
-  scope :default_order, -> { order(:category, :name) }
+  scope :default_order, -> { order(:position, :name) }
 end
diff --git a/app/view_models/tasks/statuses/selector_view_model.rb b/app/view_models/tasks/statuses/selector_view_model.rb
index 64fd319..91824e1 100644
--- a/app/view_models/tasks/statuses/selector_view_model.rb
+++ b/app/view_models/tasks/statuses/selector_view_model.rb
@@ -3,6 +3,16 @@
 module Tasks
   module Statuses
     class SelectorViewModel
+      ICONS = {
+        new: 'add_circle_fill',
+        archived: 'archive_line',
+        done: 'checks_line',
+        circle_dash: 'circle_dash_line',
+        hammer: 'hammer_fill',
+        play: 'play_circle_fill',
+        tool: 'tool_line'
+      }.freeze
+
       def initialize(task, with_form: false)
         @task = task
         @with_form = with_form
@@ -25,15 +35,19 @@ module Tasks
       private
 
       def workflow_task_statuses
-        @task.workflow.task_statuses.sort_by { |e| [e.category, e.name] }
+        @task.workflow.task_statuses.sort_by { |e| [e.position, e.name] }
       end
 
       def task_status_badge(status, view_context)
         view_context.content_tag(
-          :span, status.name,
-          class: ['badge', 'task-status', status.category.dasherize]
+          :span, view_context.mask_icon(icon(status)) + status.name,
+          class: ['badge', 'task-status', status.color]
         )
       end
+
+      def icon(status)
+        ICONS.fetch(status.icon.to_sym)
+      end
     end
   end
 end
diff --git a/db/migrate/20260404215813_replace_old_status_fields_with_new.rb b/db/migrate/20260404215813_replace_old_status_fields_with_new.rb
new file mode 100644
index 0000000..5e17ac7
--- /dev/null
+++ b/db/migrate/20260404215813_replace_old_status_fields_with_new.rb
@@ -0,0 +1,11 @@
+class ReplaceOldStatusFieldsWithNew < ActiveRecord::Migration[8.1]
+  def change
+    change_table :task_statuses, bulk: true do |t|
+      t.string :icon
+      t.string :color
+      t.integer :position, default: 0
+
+      t.remove :category, type: :integer
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 6cfd8d2..2fdfb89 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_03_21_132740) do
+ActiveRecord::Schema[8.1].define(version: 2026_04_04_215813) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.text "body", size: :long
     t.datetime "created_at", null: false
@@ -70,9 +70,11 @@ ActiveRecord::Schema[8.1].define(version: 2026_03_21_132740) do
   end
 
   create_table "task_statuses", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
-    t.integer "category", limit: 2, null: false, unsigned: true
+    t.string "color"
     t.datetime "created_at", null: false
+    t.string "icon"
     t.string "name", null: false
+    t.integer "position", default: 0
     t.datetime "updated_at", null: false
     t.bigint "workflow_id", null: false
     t.index ["workflow_id", "name"], name: "index_task_statuses_on_workflow_id_and_name", unique: true
diff --git a/lib/tasks/data_migrations.rake b/lib/tasks/data_migrations.rake
index 5b42249..ba203ea 100644
--- a/lib/tasks/data_migrations.rake
+++ b/lib/tasks/data_migrations.rake
@@ -35,4 +35,11 @@ namespace :data_migrations do
       task.save!
     end
   end
+
+  desc 'Backfill task status icons and colors'
+  task backfill_task_status_icons_and_colors: :environment do
+    TaskStatus.in_batches do |batch|
+      batch.update_all(icon: 'circle_dash', color: 'blue')
+    end
+  end
 end
diff --git a/vendor/assets/images/mingcute/add_circle_fill.svg b/vendor/assets/images/mingcute/add_circle_fill.svg
new file mode 100644
index 0000000..a37730b
--- /dev/null
+++ b/vendor/assets/images/mingcute/add_circle_fill.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M12 2c5.523 0 10 4.477 10 10s-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2m0 5a1 1 0 0 0-.993.883L11 8v3H8a1 1 0 0 0-.117 1.993L8 13h3v3a1 1 0 0 0 1.993.117L13 16v-3h3a1 1 0 0 0 .117-1.993L16 11h-3V8a1 1 0 0 0-1-1'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/archive_line.svg b/vendor/assets/images/mingcute/archive_line.svg
new file mode 100644
index 0000000..07e2e0f
--- /dev/null
+++ b/vendor/assets/images/mingcute/archive_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M16.586 3A2 2 0 0 1 18 3.586L20.414 6A2 2 0 0 1 21 7.414V19a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V7.414A2 2 0 0 1 3.586 6L6 3.586A2 2 0 0 1 7.414 3zM19 9H5v10h14zm-7 1a1 1 0 0 1 1 1v3.186l.414-.414a1 1 0 1 1 1.414 1.414l-2.12 2.121a1 1 0 0 1-1.415 0l-2.121-2.121a1 1 0 1 1 1.414-1.414l.414.414V11a1 1 0 0 1 1-1m4.586-5H7.414l-2 2h13.172z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/checks_line.svg b/vendor/assets/images/mingcute/checks_line.svg
new file mode 100644
index 0000000..92c5a81
--- /dev/null
+++ b/vendor/assets/images/mingcute/checks_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M2.222 11.121a1 1 0 0 1 1.32-.083l.094.083 4.242 4.243a1 1 0 0 1-1.32 1.497l-.094-.083-4.242-4.242a1 1 0 0 1 0-1.415m20.556-5.656a1 1 0 0 1 .083 1.32l-.083.094-9.829 9.828a1.1 1.1 0 0 1-1.46.086l-.096-.085-4.171-4.172a1 1 0 0 1 1.32-1.498l.094.083 3.535 3.536 9.193-9.192a1 1 0 0 1 1.414 0m-5 0a1 1 0 0 1 .083 1.32l-.083.094-4.95 4.95a1 1 0 0 1-1.497-1.32l.083-.095 4.95-4.95a1 1 0 0 1 1.414 0Z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/circle_dash_line.svg b/vendor/assets/images/mingcute/circle_dash_line.svg
new file mode 100644
index 0000000..0abc8ba
--- /dev/null
+++ b/vendor/assets/images/mingcute/circle_dash_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><title>circle_dash_line</title><g fill='none' fill-rule='nonzero'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036q-.016-.004-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427q-.004-.016-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092q.019.005.029-.008l.004-.014-.034-.614q-.005-.019-.02-.022m-.715.002a.02.02 0 0 0-.027.006l-.006.014-.034.614q.001.018.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M6.483 19.184a1 1 0 0 1 1.373-.34 8 8 0 0 0 2.235.927 1 1 0 1 1-.48 1.941 10 10 0 0 1-2.789-1.155 1 1 0 0 1-.34-1.373m9.662-.34a1 1 0 0 1 1.033 1.713 10 10 0 0 1-2.79 1.155 1 1 0 0 1-.479-1.942 8 8 0 0 0 2.236-.926M3.019 13.179a1 1 0 0 1 1.21.73 8 8 0 0 0 .926 2.236 1 1 0 0 1-1.711 1.033 10 10 0 0 1-1.156-2.79 1 1 0 0 1 .73-1.21m16.75.73a1 1 0 0 1 1.943.48q-.18.727-.474 1.437-.295.711-.681 1.352a1 1 0 0 1-1.713-1.034 8 8 0 0 0 .926-2.235M3.445 6.822a1 1 0 1 1 1.711 1.034 8 8 0 0 0-.925 2.235 1 1 0 0 1-1.942-.48 10 10 0 0 1 1.156-2.789m15.74-.34a1 1 0 0 1 1.373.34 10 10 0 0 1 1.155 2.789 1 1 0 0 1-1.942.48 8 8 0 0 0-.926-2.235 1 1 0 0 1 .34-1.373M13.179 3.02a1 1 0 0 1 1.21-.73 10 10 0 0 1 2.789 1.155 1 1 0 0 1-1.034 1.711 8 8 0 0 0-2.235-.925 1 1 0 0 1-.73-1.211m-3.568-.73a1 1 0 0 1 .48 1.94 8 8 0 0 0-2.235.926 1 1 0 0 1-1.034-1.711 10 10 0 0 1 2.789-1.156'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/external_link_line.svg b/vendor/assets/images/mingcute/external_link_line.svg
index 63a2fc0..a34fb20 100644
--- a/vendor/assets/images/mingcute/external_link_line.svg
+++ b/vendor/assets/images/mingcute/external_link_line.svg
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/hamburger_line.svg b/vendor/assets/images/mingcute/hamburger_line.svg
index bbcef4a..f8626f5 100644
--- a/vendor/assets/images/mingcute/hamburger_line.svg
+++ b/vendor/assets/images/mingcute/hamburger_line.svg
@@ -1 +1 @@
-<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M5.844 4.566C7.446 3.643 9.619 3 12 3s4.554.643 6.156 1.566c.8.462 1.488 1.01 1.987 1.615.49.595.857 1.318.857 2.105 0 .792-.38 1.412-.99 1.821-.544.365-1.25.553-1.981.667-.58.09-1.259.145-2.019.177l-.786.026-.837.015-.885.006h-3.004l-.885-.006-.837-.015-.786-.026a18.59 18.59 0 0 1-2.019-.177c-.73-.114-1.437-.302-1.981-.667-.61-.41-.99-1.03-.99-1.821 0-.787.366-1.51.857-2.105.499-.604 1.186-1.153 1.987-1.615M5.4 7.454c-.19.229-.4.527-.4.839 0 .235.44.363.81.433l.233.038.236.034c.376.058.807.1 1.291.13l.608.03.66.02.712.012 1.58.01 2.154-.001.79-.005.739-.009.686-.016.323-.011.608-.03c.387-.024.74-.056 1.059-.097l.298-.042.393-.049c.379-.057.82-.17.82-.454 0-.16-.081-.446-.4-.832-.311-.377-.795-.782-1.443-1.155C15.864 5.553 14.037 5 12 5s-3.864.553-5.157 1.3c-.648.372-1.132.777-1.443 1.154m-1.064 4.454a3 3 0 0 1 3.328 0l.781.52a1 1 0 0 0 1.11 0l.78-.52a3 3 0 0 1 3.33 0l.78.52a1 1 0 0 0 1.11 0l.78-.52a3 3 0 0 1 3.33 0l.924.616a1 1 0 1 1-1.11 1.664l-.924-.616a1 1 0 0 0-1.11 0l-.78.52a3 3 0 0 1-3.33 0l-.78-.52a1 1 0 0 0-1.11 0l-.78.52a3 3 0 0 1-3.33 0l-.78-.52a1 1 0 0 0-1.11 0l-.504.346c-.152.1-.316.203-.475.287a1 1 0 1 1-.932-1.769c.072-.038.138-.077.204-.12zM4 15a1 1 0 0 0-1 1v1a4 4 0 0 0 4 4h10a4 4 0 0 0 4-4v-1a1 1 0 0 0-1-1zm3 4a2 2 0 0 1-2-2h14a2 2 0 0 1-2 2z'/></g></svg>
\ No newline at end of file
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\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/hammer_fill.svg b/vendor/assets/images/mingcute/hammer_fill.svg
new file mode 100644
index 0000000..300b796
--- /dev/null
+++ b/vendor/assets/images/mingcute/hammer_fill.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M6 3a1 1 0 0 0-1 1v4a1 1 0 0 0 1 1h4v12a1 1 0 0 0 1 1h3a1 1 0 0 0 1-1V9h4a1 1 0 0 0 1-1V7a1 1 0 0 0-.293-.707l-.657-.657A9 9 0 0 0 12.686 3z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/play_circle_fill.svg b/vendor/assets/images/mingcute/play_circle_fill.svg
new file mode 100644
index 0000000..eb3f416
--- /dev/null
+++ b/vendor/assets/images/mingcute/play_circle_fill.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M12 2c5.523 0 10 4.477 10 10s-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2M8.964 8.65l-.053.5-.03.333-.042.6-.024.46-.018.505-.01.549v.578l.01.549.018.506.024.46.042.6.071.73.013.102a1.192 1.192 0 0 0 1.651.954l.456-.202.651-.309.39-.196.43-.224.466-.253.498-.282.493-.29.231-.14.43-.27.388-.25.342-.229.653-.46.177-.131a1.192 1.192 0 0 0-.001-1.908l-.406-.297-.275-.193-.32-.218-.565-.368-.428-.268-.47-.282-.499-.288-.478-.265-.447-.238-.41-.21-.54-.263-.439-.202-.23-.102a16.814 16.814 0 0 0-.095-.04 1.192 1.192 0 0 0-1.654.952'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/right_fill.svg b/vendor/assets/images/mingcute/right_fill.svg
index 930e72a..d7a8dcd 100644
--- a/vendor/assets/images/mingcute/right_fill.svg
+++ b/vendor/assets/images/mingcute/right_fill.svg
@@ -1 +1 @@
-<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0h24ZM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018Zm.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022Zm-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01-.184-.092Z'/><path fill='#09244BFF' d='M16.06 10.94a1.5 1.5 0 0 1 0 2.12l-5.656 5.658a1.5 1.5 0 1 1-2.121-2.122L12.879 12 8.283 7.404a1.5 1.5 0 0 1 2.12-2.122l5.658 5.657Z'/></g></svg>
\ No newline at end of file
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\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/signature_line.svg b/vendor/assets/images/mingcute/signature_line.svg
new file mode 100644
index 0000000..65cf1bb
--- /dev/null
+++ b/vendor/assets/images/mingcute/signature_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M16.239 4.79c-.595.127-1.456.478-2.55 1.085-2.034 1.127-4.763 3.294-7.949 6.798a1 1 0 1 1-1.48-1.346c3.276-3.603 6.172-5.934 8.458-7.202 1.16-.643 2.225-1.104 3.107-1.29.778-.166 1.942-.211 2.541.768.271.443.313.948.265 1.404-.048.461-.197.965-.417 1.499-.44 1.069-1.232 2.42-2.397 4.07-1.362 1.93-2.103 3.241-2.437 4.09a3.86 3.86 0 0 0-.163.5c.105-.022.23-.056.378-.105.555-.185 1.235-.525 1.89-.918.64-.384 1.22-.662 1.722-.74.263-.04.609-.043.946.126.369.185.576.497.673.793.143.439.078.913-.024 1.352-.165.713-.443 1.395-.621 2.104.109-.046.232-.103.372-.172a1 1 0 0 1 .894 1.788c-.65.325-1.265.552-1.81.55a1.567 1.567 0 0 1-.934-.29 1.468 1.468 0 0 1-.54-.798c-.136-.481-.049-1.007.033-1.372.13-.592.337-1.162.514-1.74-.804.457-1.6.92-2.483 1.215a4.314 4.314 0 0 1-1.16.237c-.374.015-.873-.04-1.29-.38-.452-.366-.603-.892-.602-1.376 0-.463.134-.971.344-1.506.423-1.076 1.276-2.544 2.664-4.51 1.13-1.6 1.824-2.811 2.181-3.68.13-.316.264-.66.283-1.006-.083 0-.213.011-.408.053Z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/task_line.svg b/vendor/assets/images/mingcute/task_line.svg
index e303c87..58b6fb8 100644
--- a/vendor/assets/images/mingcute/task_line.svg
+++ b/vendor/assets/images/mingcute/task_line.svg
@@ -1 +1 @@
-<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M15 2a2 2 0 0 1 1.732 1H18a2 2 0 0 1 2 2v12a5 5 0 0 1-5 5H6a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h1.268A2 2 0 0 1 9 2zM7 5H6v15h9a3 3 0 0 0 3-3V5h-1a2 2 0 0 1-2 2H9a2 2 0 0 1-2-2m9.238 4.379a1 1 0 0 1 0 1.414l-4.95 4.95a1 1 0 0 1-1.414 0l-2.12-2.122a1 1 0 0 1 1.413-1.414l1.415 1.414 4.242-4.242a1 1 0 0 1 1.414 0M15 4H9v1h6z'/></g></svg>
\ No newline at end of file
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.594 23.258l-.012.002-.071.035-.02.004-.014-.004-.071-.036c-.01-.003-.019 0-.024.006l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.016-.018m.264-.113-.014.002-.184.093-.01.01-.003.011.018.43.005.012.008.008.201.092c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.003-.011.018-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M15 2a2 2 0 0 1 1.732 1H18a2 2 0 0 1 2 2v12a5 5 0 0 1-5 5H6a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h1.268A2 2 0 0 1 9 2zM7 5H6v15h9a3 3 0 0 0 3-3V5h-1a2 2 0 0 1-2 2H9a2 2 0 0 1-2-2m9.238 4.379a1 1 0 0 1 0 1.414l-4.95 4.95a1 1 0 0 1-1.414 0l-2.12-2.122a1 1 0 0 1 1.413-1.414l1.415 1.414 4.242-4.242a1 1 0 0 1 1.414 0M15 4H9v1h6z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/tool_line.svg b/vendor/assets/images/mingcute/tool_line.svg
new file mode 100644
index 0000000..f434cf1
--- /dev/null
+++ b/vendor/assets/images/mingcute/tool_line.svg
@@ -0,0 +1 @@
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none' fill-rule='evenodd'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M6.798 2.884a7.002 7.002 0 0 1 9.294 8.565l4.394 3.718a3.76 3.76 0 1 1-5.3 5.3l-3.717-4.394a7.002 7.002 0 0 1-8.565-9.295c.358-.894 1.48-1.007 2.063-.373L8.17 9.883l1.446-.288.29-1.449-3.48-3.198c-.634-.583-.522-1.706.373-2.064ZM8.805 4.42l2.763 2.54c.322.296.466.738.38 1.165l-.47 2.354a1.25 1.25 0 0 1-.982.981l-2.35.467a1.25 1.25 0 0 1-1.164-.38L4.438 8.785a5.002 5.002 0 0 0 6.804 5.25 1.257 1.257 0 0 1 1.422.355l4.05 4.786a1.76 1.76 0 1 0 2.48-2.48l-4.785-4.05a1.257 1.257 0 0 1-.355-1.422 5.001 5.001 0 0 0-5.25-6.804Z'/></g></svg>
\ No newline at end of file
diff --git a/vendor/assets/images/mingcute/warning_line.svg b/vendor/assets/images/mingcute/warning_line.svg
index 5ecd642..06c8f48 100644
--- a/vendor/assets/images/mingcute/warning_line.svg
+++ b/vendor/assets/images/mingcute/warning_line.svg
@@ -1 +1 @@
-<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><g fill='none'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M12 2c5.523 0 10 4.477 10 10s-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2m0 2a8 8 0 1 0 0 16 8 8 0 0 0 0-16m0 11a1 1 0 1 1 0 2 1 1 0 0 1 0-2m0-9a1 1 0 0 1 1 1v6a1 1 0 1 1-2 0V7a1 1 0 0 1 1-1'/></g></svg>
\ No newline at end of file
+<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><g fill='none'><path d='M24 0v24H0V0zM12.593 23.258l-.011.002-.071.035-.02.004-.014-.004-.071-.035c-.01-.004-.019-.001-.024.005l-.004.01-.017.428.005.02.01.013.104.074.015.004.012-.004.104-.074.012-.016.004-.017-.017-.427c-.002-.01-.009-.017-.017-.018m.265-.113-.013.002-.185.093-.01.01-.003.011.018.43.005.012.008.007.201.093c.012.004.023 0 .029-.008l.004-.014-.034-.614c-.003-.012-.01-.02-.02-.022m-.715.002a.023.023 0 0 0-.027.006l-.006.014-.034.614c0 .012.007.02.017.024l.015-.002.201-.093.01-.008.004-.011.017-.43-.003-.012-.01-.01z'/><path fill='#09244BFF' d='M12 2c5.523 0 10 4.477 10 10s-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2m0 2a8 8 0 1 0 0 16 8 8 0 0 0 0-16m0 11a1 1 0 1 1 0 2 1 1 0 0 1 0-2m0-9a1 1 0 0 1 1 1v6a1 1 0 1 1-2 0V7a1 1 0 0 1 1-1'/></g></svg>
\ No newline at end of file

From 450b7fb1d017a37b73470ea24c3d3616b3dac165 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Mon, 13 Apr 2026 02:22:52 +0300
Subject: [PATCH 11/19] Workflow statuses editing

---
 .../workflows/statuses_controller.rb          | 34 ++++++++++++
 .../workflows/statuses_helper.rb              |  2 +
 app/helpers/tasks_helper.rb                   |  8 +++
 app/models/task_status.rb                     |  1 -
 .../workflows/statuses/batch_update.rb        | 55 +++++++++++++++++++
 .../tasks/statuses/selector_view_model.rb     | 20 +++----
 .../project_admin/workflows/show.html.slim    |  2 +-
 .../workflows/statuses/edit.html.slim         | 16 ++++++
 app/views/tasks/_status_selector.html.slim    |  4 +-
 config/routes.rb                              |  8 ++-
 10 files changed, 130 insertions(+), 20 deletions(-)
 create mode 100644 app/controllers/project_admin/workflows/statuses_controller.rb
 create mode 100644 app/helpers/project_admin/workflows/statuses_helper.rb
 create mode 100644 app/services/project_admin/workflows/statuses/batch_update.rb
 create mode 100644 app/views/project_admin/workflows/statuses/edit.html.slim

diff --git a/app/controllers/project_admin/workflows/statuses_controller.rb b/app/controllers/project_admin/workflows/statuses_controller.rb
new file mode 100644
index 0000000..c329d92
--- /dev/null
+++ b/app/controllers/project_admin/workflows/statuses_controller.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  module Workflows
+    class StatusesController < ApplicationController
+      before_action :fetch_workflow
+
+      def edit
+        @form = ProjectAdmin::Workflows::Statuses::BatchUpdate.from_model(@workflow)
+      end
+
+      def batch_update
+        form_params = params.expect(workflow: { task_statuses_attributes: [%i[id _destroy name color icon]] })
+
+        if form_params[:task_statuses_attributes].respond_to?(:keys)
+          form_params[:task_statuses_attributes] = form_params[:task_statuses_attributes].values
+        end
+
+        @form = ProjectAdmin::Workflows::Statuses::BatchUpdate.new(form_params)
+        if @form.perform(@workflow)
+          redirect_to project_admin_workflow_path(@project, @workflow)
+        else
+          render :edit
+        end
+      end
+
+      private
+
+      def fetch_workflow
+        @workflow = @project.workflows.find(params[:workflow_id])
+      end
+    end
+  end
+end
diff --git a/app/helpers/project_admin/workflows/statuses_helper.rb b/app/helpers/project_admin/workflows/statuses_helper.rb
new file mode 100644
index 0000000..fde2422
--- /dev/null
+++ b/app/helpers/project_admin/workflows/statuses_helper.rb
@@ -0,0 +1,2 @@
+module ProjectAdmin::Workflows::StatusesHelper
+end
diff --git a/app/helpers/tasks_helper.rb b/app/helpers/tasks_helper.rb
index 204ed67..f9feacf 100644
--- a/app/helpers/tasks_helper.rb
+++ b/app/helpers/tasks_helper.rb
@@ -12,4 +12,12 @@ module TasksHelper
   def task_status_selector(task, with_form: false)
     render Tasks::Statuses::SelectorViewModel.new(task, with_form:)
   end
+
+  # TODO: move into another helper?
+  def task_status_badge(status)
+    content_tag(
+      :span, mask_icon(Tasks::Statuses::SelectorViewModel.icon(status)) + status.name,
+      class: ['badge', 'task-status', status.color]
+    )
+  end
 end
diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index 847d9d3..6f516c9 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -8,7 +8,6 @@ class TaskStatus < ApplicationRecord
   enum :color, %w[blue gray yellow green purple pink].index_by(&:itself), default: 'gray', scopes: false
 
   validates :name, presence: true, uniqueness: { scope: :workflow }
-  validates :category, presence: true
 
   scope :default_order, -> { order(:position, :name) }
 end
diff --git a/app/services/project_admin/workflows/statuses/batch_update.rb b/app/services/project_admin/workflows/statuses/batch_update.rb
new file mode 100644
index 0000000..c183228
--- /dev/null
+++ b/app/services/project_admin/workflows/statuses/batch_update.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  module Workflows
+    module Statuses
+      class BatchUpdate < ApplicationService
+        class TaskStatus
+          include ActiveModel::Model
+          include ActiveModel::Attributes
+
+          attribute :id, :string
+          attribute :_destroy, :boolean
+          attribute :name
+          attribute :color
+          attribute :icon
+        end
+
+        attr_accessor :task_statuses
+        attr_reader :workflow
+
+        def self.from_model(workflow)
+          new(task_statuses_attributes: workflow.task_statuses.map do |ts|
+            ts.attributes.slice(*TaskStatus.attribute_names)
+          end)
+        end
+
+        def task_statuses_attributes=(attributes)
+          @task_statuses = Array(attributes).map { |e| TaskStatus.new(e) }
+        end
+
+        def perform(workflow)
+          @workflow = workflow
+          task_status_models = @workflow.task_statuses.index_by(&:id)
+
+          @workflow.transaction(requires_new: true) do
+            task_statuses.each do |ts|
+              model = task_status_models.fetch(ts.id.to_i)
+              if ts._destroy
+                model.destroy!
+              else
+                model.update!(
+                  name: ts.name,
+                  icon: ts.icon,
+                  color: ts.color
+                )
+              end
+            end
+          end
+
+          true
+        end
+      end
+    end
+  end
+end
diff --git a/app/view_models/tasks/statuses/selector_view_model.rb b/app/view_models/tasks/statuses/selector_view_model.rb
index 91824e1..5a3c11c 100644
--- a/app/view_models/tasks/statuses/selector_view_model.rb
+++ b/app/view_models/tasks/statuses/selector_view_model.rb
@@ -13,6 +13,12 @@ module Tasks
         tool: 'tool_line'
       }.freeze
 
+      def self.icon(status)
+        ICONS.fetch(status.icon.to_sym)
+      end
+
+      delegate :icon, to: :'self.class'
+
       def initialize(task, with_form: false)
         @task = task
         @with_form = with_form
@@ -27,8 +33,7 @@ module Tasks
         view_context.render(
           partial: 'tasks/status_selector',
           locals: { task: @task, id: dom_id, with_form: @with_form,
-                    workflow_task_statuses:,
-                    task_status_badge: ->(status) { task_status_badge(status, view_context) } }
+                    workflow_task_statuses: }
         )
       end
 
@@ -37,17 +42,6 @@ module Tasks
       def workflow_task_statuses
         @task.workflow.task_statuses.sort_by { |e| [e.position, e.name] }
       end
-
-      def task_status_badge(status, view_context)
-        view_context.content_tag(
-          :span, view_context.mask_icon(icon(status)) + status.name,
-          class: ['badge', 'task-status', status.color]
-        )
-      end
-
-      def icon(status)
-        ICONS.fetch(status.icon.to_sym)
-      end
     end
   end
 end
diff --git a/app/views/project_admin/workflows/show.html.slim b/app/views/project_admin/workflows/show.html.slim
index 43e2976..9c165ac 100644
--- a/app/views/project_admin/workflows/show.html.slim
+++ b/app/views/project_admin/workflows/show.html.slim
@@ -5,4 +5,4 @@ h1
 
 ul
   - @workflow.task_statuses.each do |status|
-    li= status.name
+    li= task_status_badge(status)
diff --git a/app/views/project_admin/workflows/statuses/edit.html.slim b/app/views/project_admin/workflows/statuses/edit.html.slim
new file mode 100644
index 0000000..1bcfdfe
--- /dev/null
+++ b/app/views/project_admin/workflows/statuses/edit.html.slim
@@ -0,0 +1,16 @@
+= form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put do |f|
+  = f.fields_for :task_statuses, include_id: false do |tsf|
+    fieldset
+      = tsf.hidden_field :id
+      = tsf.hidden_field :_destroy
+      .field
+        = tsf.label :name
+        = tsf.text_field :name
+      .field
+        = tsf.label :color
+        = tsf.select :color, TaskStatus.colors
+      .field
+        = tsf.label :icon
+        = tsf.select :icon, TaskStatus.icons
+  .submit
+    = f.submit
diff --git a/app/views/tasks/_status_selector.html.slim b/app/views/tasks/_status_selector.html.slim
index 957c2d8..df9f0ae 100644
--- a/app/views/tasks/_status_selector.html.slim
+++ b/app/views/tasks/_status_selector.html.slim
@@ -1,9 +1,9 @@
 details.dropdown.task-status-selector id=id data-controller="tasks--status-selector"
-  summary= task_status_badge[task.status]
+  summary= task_status_badge(task.status)
   ul
     - workflow_task_statuses.each do |status|
       li
-        a href="#" data-status-id="#{status.id}" data-action="tasks--status-selector#changeStatus:prevent" = task_status_badge[status]
+        a href="#" data-status-id="#{status.id}" data-action="tasks--status-selector#changeStatus:prevent" = task_status_badge(status)
   - if with_form
     = form_with model: Tasks::ChangeStatus.new, url: change_status_task_path(task), method: :patch, data: {'tasks--status-selector-target': 'form', action: 'turbo:submit-end->tasks--status-selector#finalize'} do |f|
       = f.hidden_field :status_id, data: {'tasks--status-selector-target': 'statusField'}
diff --git a/config/routes.rb b/config/routes.rb
index b4550d2..6f179b1 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -21,9 +21,11 @@ Rails.application.routes.draw do
   resources :projects do
     namespace :project_admin, as: 'admin' do
       resources :workflows do
-        namespace :statuses do
-          get '/', action: :index
-          patch '/', action: :batch_update
+        scope module: :workflows do
+          resources :statuses, only: %i[index] do
+            get :edit, on: :collection
+            put '/', action: :batch_update, on: :collection
+          end
         end
       end
     end

From 4040fff780ed4924052ddd50f9d37a41dedc347e Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Tue, 14 Apr 2026 01:26:28 +0300
Subject: [PATCH 12/19] Workflow status creation (extra forms)

---
 .../stylesheets/project_admin/workflows.css   | 15 ++++
 .../workflows/statuses_controller.rb          |  2 +-
 .../controllers/dynamic_forms_controller.js   | 74 +++++++++++++++++++
 .../workflows/statuses/batch_update.rb        | 36 ++++++---
 .../statuses/_batch_update_fieldset.html.slim | 17 +++++
 .../workflows/statuses/edit.html.slim         | 26 +++----
 6 files changed, 146 insertions(+), 24 deletions(-)
 create mode 100644 app/assets/stylesheets/project_admin/workflows.css
 create mode 100644 app/javascript/controllers/dynamic_forms_controller.js
 create mode 100644 app/views/project_admin/workflows/statuses/_batch_update_fieldset.html.slim

diff --git a/app/assets/stylesheets/project_admin/workflows.css b/app/assets/stylesheets/project_admin/workflows.css
new file mode 100644
index 0000000..9d94468
--- /dev/null
+++ b/app/assets/stylesheets/project_admin/workflows.css
@@ -0,0 +1,15 @@
+.workflow-statuses-batch-update-fieldsets {
+    display: grid;
+    grid-template-columns: repeat(3, auto) min-content;
+    gap: 0.5em;
+
+    > .fieldset {
+        display: grid;
+        grid-column: 1 / -1;
+        grid-template-columns: subgrid;
+
+        .buttons {
+            align-items: flex-end;
+        }
+    }
+}
diff --git a/app/controllers/project_admin/workflows/statuses_controller.rb b/app/controllers/project_admin/workflows/statuses_controller.rb
index c329d92..e8e3543 100644
--- a/app/controllers/project_admin/workflows/statuses_controller.rb
+++ b/app/controllers/project_admin/workflows/statuses_controller.rb
@@ -17,7 +17,7 @@ module ProjectAdmin
         end
 
         @form = ProjectAdmin::Workflows::Statuses::BatchUpdate.new(form_params)
-        if @form.perform(@workflow)
+        if @form.call(@workflow)
           redirect_to project_admin_workflow_path(@project, @workflow)
         else
           render :edit
diff --git a/app/javascript/controllers/dynamic_forms_controller.js b/app/javascript/controllers/dynamic_forms_controller.js
new file mode 100644
index 0000000..10be527
--- /dev/null
+++ b/app/javascript/controllers/dynamic_forms_controller.js
@@ -0,0 +1,74 @@
+import { Controller } from '@hotwired/stimulus'
+
+export default class extends Controller {
+    static targets = ['template', 'container', 'subform']
+    static values = {
+        fieldName: String,
+        fieldTemplate: String,
+        indexTemplate: String,
+        count: Number
+    }
+
+    connect() {
+        this.extraFieldsCount = 0
+    }
+
+    addForm() {
+        this.countValue++;
+        this.extraFieldsCount++;
+        const content = document.importNode(this.templateTarget.content, true)
+        for (let element of content.querySelectorAll('label, input, select, textarea')) {
+            this._replaceAttr(element, 'name')
+            this._replaceAttr(element, 'id')
+            this._replaceAttr(element, 'for')
+        }
+
+        let idInput = content.querySelector('input[name$="[id]"]')
+        if (idInput) {
+            idInput.value = `_${this.extraFieldsCount}`
+        }
+
+        this._subformsContainer.insertAdjacentElement('beforeend', content.children[0])
+    }
+
+    toggleSubform(event) {
+        // TODO: maybe extract into a separate controller
+        let target = event.currentTarget
+        let subform = this._findSubform(target)
+        let disabled = subform.toggleAttribute('data-disabled')
+        for (let input of subform.querySelectorAll('input:not([type="hidden"]), select, textarea')) {
+            input.toggleAttribute('disabled', disabled)
+        }
+        let destroyInput = subform.querySelector('input[name$="[_destroy]"]')
+        if(destroyInput) { destroyInput.value = disabled ? 'true' : '' }
+        if(target.tagName == 'BUTTON') {
+            target.setAttribute('aria-pressed', disabled ? 'true' : 'false')
+        }
+    }
+
+    deleteSubform(event) {
+        let subform = this._findSubform(event.currentTarget)
+        subform.remove()
+    }
+
+    get _subformsContainer() {
+        if(this.hasContainerTarget) { return this.containerTarget }
+
+        return this.element
+    }
+
+    _findSubform(element) {
+        for (let subform of this.subformTargets) {
+            if(subform.contains(element)) { return subform }
+        }
+    }
+
+    _replaceAttr(element, attr) {
+        let value = element.getAttribute(attr)
+        if(value == null) return;
+
+        value = value.replace(this.fieldTemplateValue, this.fieldNameValue).replace(this.indexTemplateValue, this.countValue)
+        element.setAttribute(attr, value)
+    }
+
+}
diff --git a/app/services/project_admin/workflows/statuses/batch_update.rb b/app/services/project_admin/workflows/statuses/batch_update.rb
index c183228..783745b 100644
--- a/app/services/project_admin/workflows/statuses/batch_update.rb
+++ b/app/services/project_admin/workflows/statuses/batch_update.rb
@@ -28,27 +28,45 @@ module ProjectAdmin
           @task_statuses = Array(attributes).map { |e| TaskStatus.new(e) }
         end
 
-        def perform(workflow)
+        def call(workflow)
           @workflow = workflow
           task_status_models = @workflow.task_statuses.index_by(&:id)
 
           @workflow.transaction(requires_new: true) do
             task_statuses.each do |ts|
-              model = task_status_models.fetch(ts.id.to_i)
-              if ts._destroy
-                model.destroy!
+              if ts.id.start_with?('_')
+                create_model!(ts)
               else
-                model.update!(
-                  name: ts.name,
-                  icon: ts.icon,
-                  color: ts.color
-                )
+                model = task_status_models.fetch(Integer(ts.id))
+                if ts._destroy
+                  model.destroy!
+                else
+                  update_model!(model, ts)
+                end
               end
             end
           end
 
           true
         end
+
+        private
+
+        def update_model!(model, form)
+          model.update!(
+            name: form.name,
+            icon: form.icon,
+            color: form.color
+          )
+        end
+
+        def create_model!(form)
+          @workflow.task_statuses.create!(
+            name: form.name,
+            icon: form.icon,
+            color: form.color
+          )
+        end
       end
     end
   end
diff --git a/app/views/project_admin/workflows/statuses/_batch_update_fieldset.html.slim b/app/views/project_admin/workflows/statuses/_batch_update_fieldset.html.slim
new file mode 100644
index 0000000..3741449
--- /dev/null
+++ b/app/views/project_admin/workflows/statuses/_batch_update_fieldset.html.slim
@@ -0,0 +1,17 @@
+- with_destroy ||= false
+
+div.fieldset data-dynamic-forms-target="subform"
+  = ff.hidden_field :id
+  - if with_destroy
+    = ff.hidden_field :_destroy
+  .field
+    = ff.label :name
+    = ff.text_field :name
+  .field
+    = ff.label :color
+    = ff.select :color, TaskStatus.colors
+  .field
+    = ff.label :icon
+    = ff.select :icon, TaskStatus.icons
+  .buttons
+    = button_tag 'Destroy', type: :button, class: 'danger', data: { action: (with_destroy ? 'dynamic-forms#toggleSubform' : 'dynamic-forms#deleteSubform') }
diff --git a/app/views/project_admin/workflows/statuses/edit.html.slim b/app/views/project_admin/workflows/statuses/edit.html.slim
index 1bcfdfe..c61ddee 100644
--- a/app/views/project_admin/workflows/statuses/edit.html.slim
+++ b/app/views/project_admin/workflows/statuses/edit.html.slim
@@ -1,16 +1,14 @@
-= form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put do |f|
-  = f.fields_for :task_statuses, include_id: false do |tsf|
-    fieldset
-      = tsf.hidden_field :id
-      = tsf.hidden_field :_destroy
-      .field
-        = tsf.label :name
-        = tsf.text_field :name
-      .field
-        = tsf.label :color
-        = tsf.select :color, TaskStatus.colors
-      .field
-        = tsf.label :icon
-        = tsf.select :icon, TaskStatus.icons
+= form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put, data: {controller: 'dynamic-forms', 'dynamic-forms-field-name-value': 'task_statuses_attributes', 'dynamic-forms-field-template-value': '_extra_form', 'dynamic-forms-index-template-value': '__index__', 'dynamic-forms-count-value': @form.task_statuses.count} do |f|
+  section.workflow-statuses-batch-update-fieldsets data-dynamic-forms-target="container"
+    = f.fields_for :task_statuses, include_id: false do |tsf|
+      = render 'batch_update_fieldset', ff: tsf, with_destroy: true
+
+  .buttons
+    button.success type="button" data-action="dynamic-forms#addForm" Add status
+
+  = f.fields_for :'_extra_form', index: '__index__' do |exf|
+    template data-dynamic-forms-target="template"
+      = render 'batch_update_fieldset', ff: exf
+
   .submit
     = f.submit

From 4fedafd65455e469c516eabd8595e722ef3c217b Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Mon, 20 Apr 2026 00:35:51 +0300
Subject: [PATCH 13/19] Remade with nested attributes

---
 app/models/workflow.rb                        |  1 +
 .../workflows/statuses/batch_update.rb        | 49 ++++++-------------
 2 files changed, 15 insertions(+), 35 deletions(-)

diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index ec930ef..dc39ade 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -5,6 +5,7 @@ class Workflow < ApplicationRecord
 
   has_many :tasks, dependent: :restrict_with_exception
   has_many :task_statuses, dependent: :restrict_with_error
+  accepts_nested_attributes_for :task_statuses, allow_destroy: true
 
   enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
   enum :color, { blue: 'blue', gray: 'gray', lime: 'lime', red: 'red', teal: 'teal' }, default: 'gray', scopes: false
diff --git a/app/services/project_admin/workflows/statuses/batch_update.rb b/app/services/project_admin/workflows/statuses/batch_update.rb
index 783745b..40bb1b4 100644
--- a/app/services/project_admin/workflows/statuses/batch_update.rb
+++ b/app/services/project_admin/workflows/statuses/batch_update.rb
@@ -13,6 +13,18 @@ module ProjectAdmin
           attribute :name
           attribute :color
           attribute :icon
+
+          def to_model_attributes
+            return attributes.except('id', '_destroy') unless persisted?
+
+            if persisted? && _destroy
+              { id:, _destroy: }
+            else
+              attributes.except('_destroy')
+            end
+          end
+
+          def persisted? = id.present? && !id.to_s.start_with?('_')
         end
 
         attr_accessor :task_statuses
@@ -30,42 +42,9 @@ module ProjectAdmin
 
         def call(workflow)
           @workflow = workflow
-          task_status_models = @workflow.task_statuses.index_by(&:id)
 
-          @workflow.transaction(requires_new: true) do
-            task_statuses.each do |ts|
-              if ts.id.start_with?('_')
-                create_model!(ts)
-              else
-                model = task_status_models.fetch(Integer(ts.id))
-                if ts._destroy
-                  model.destroy!
-                else
-                  update_model!(model, ts)
-                end
-              end
-            end
-          end
-
-          true
-        end
-
-        private
-
-        def update_model!(model, form)
-          model.update!(
-            name: form.name,
-            icon: form.icon,
-            color: form.color
-          )
-        end
-
-        def create_model!(form)
-          @workflow.task_statuses.create!(
-            name: form.name,
-            icon: form.icon,
-            color: form.color
-          )
+          @workflow.assign_attributes(task_statuses_attributes: task_statuses.map(&:to_model_attributes))
+          save @workflow
         end
       end
     end

From 52f2191a2568165a419b0e13310fedb92f565024 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Wed, 22 Apr 2026 00:06:47 +0300
Subject: [PATCH 14/19] Added turbo frame

---
 app/helpers/project_admin_helper.rb           | 17 +++++++++++---
 app/views/project_admin/_frame.html.slim      |  3 ++-
 .../project_admin/workflows/edit.html.slim    |  7 ++----
 .../project_admin/workflows/show.html.slim    |  7 +++++-
 .../workflows/statuses/edit.html.slim         | 23 ++++++++++---------
 5 files changed, 36 insertions(+), 21 deletions(-)

diff --git a/app/helpers/project_admin_helper.rb b/app/helpers/project_admin_helper.rb
index d3f385c..58ac73b 100644
--- a/app/helpers/project_admin_helper.rb
+++ b/app/helpers/project_admin_helper.rb
@@ -11,13 +11,24 @@ module ProjectAdminHelper
     }
 
     title = "Project #{project.name}"
-    admin_frame(links, title:, &)
+    admin_frame(links, title:, back_path: project_path(project), &)
   end
 
-  def admin_frame(links, title:, &)
+  def project_admin_workflow_frame(workflow, &)
+    links = {
+      'Data' => edit_project_admin_workflow_path(workflow.project, workflow),
+      'Statuses' => edit_project_admin_workflow_statuses_path(workflow.project, workflow)
+    }
+    title = "Editing workflow #{workflow.name} for project #{workflow.project.name}"
+    admin_frame(links, title:, back_path: project_admin_workflow_path(workflow.project, workflow), &)
+  end
+
+  def admin_frame(links, title:, back_path: nil, &)
     tabs = ProjectAdmin::TabsViewModel.new(links, id: TABS_ID, frame: FRAME_ID)
     content = capture(&) if block_given?
 
-    render partial: 'project_admin/frame', locals: { id: FRAME_ID, tabs:, tabs_id: TABS_ID, title:, content: }
+    render partial: 'project_admin/frame', locals: {
+      id: FRAME_ID, tabs:, tabs_id: TABS_ID, title:, back_path:, content:
+    }
   end
 end
diff --git a/app/views/project_admin/_frame.html.slim b/app/views/project_admin/_frame.html.slim
index 81337f8..0f88b3f 100644
--- a/app/views/project_admin/_frame.html.slim
+++ b/app/views/project_admin/_frame.html.slim
@@ -2,7 +2,8 @@ h1
   span> Project
   span= @project.name
 
-= link_to '← Back', project_path(@project)
+- if back_path
+  = link_to '← Back', back_path
 
 = render tabs
 
diff --git a/app/views/project_admin/workflows/edit.html.slim b/app/views/project_admin/workflows/edit.html.slim
index 80e3c3c..d40a32c 100644
--- a/app/views/project_admin/workflows/edit.html.slim
+++ b/app/views/project_admin/workflows/edit.html.slim
@@ -1,5 +1,2 @@
-h1
-  | Editing workflow
-  =< @workflow.name
-
-= render 'form', url: project_admin_workflow_path(@project, @workflow)
+= project_admin_workflow_frame(@workflow) do
+  = render 'form', url: project_admin_workflow_path(@project, @workflow)
diff --git a/app/views/project_admin/workflows/show.html.slim b/app/views/project_admin/workflows/show.html.slim
index 9c165ac..2a36a88 100644
--- a/app/views/project_admin/workflows/show.html.slim
+++ b/app/views/project_admin/workflows/show.html.slim
@@ -1,7 +1,12 @@
 h1
   | Workflow
 
-= workflow_display @workflow, full: true, badge: true
+.row
+  = workflow_display @workflow, full: true, badge: true
+  .links
+    = link_to 'Edit', edit_project_admin_workflow_path(@project, @workflow)
+
+h2 Statuses
 
 ul
   - @workflow.task_statuses.each do |status|
diff --git a/app/views/project_admin/workflows/statuses/edit.html.slim b/app/views/project_admin/workflows/statuses/edit.html.slim
index c61ddee..a2df883 100644
--- a/app/views/project_admin/workflows/statuses/edit.html.slim
+++ b/app/views/project_admin/workflows/statuses/edit.html.slim
@@ -1,14 +1,15 @@
-= form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put, data: {controller: 'dynamic-forms', 'dynamic-forms-field-name-value': 'task_statuses_attributes', 'dynamic-forms-field-template-value': '_extra_form', 'dynamic-forms-index-template-value': '__index__', 'dynamic-forms-count-value': @form.task_statuses.count} do |f|
-  section.workflow-statuses-batch-update-fieldsets data-dynamic-forms-target="container"
-    = f.fields_for :task_statuses, include_id: false do |tsf|
-      = render 'batch_update_fieldset', ff: tsf, with_destroy: true
+= project_admin_workflow_frame(@workflow) do
+  = form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put, data: {controller: 'dynamic-forms', 'dynamic-forms-field-name-value': 'task_statuses_attributes', 'dynamic-forms-field-template-value': '_extra_form', 'dynamic-forms-index-template-value': '__index__', 'dynamic-forms-count-value': @form.task_statuses.count} do |f|
+    section.workflow-statuses-batch-update-fieldsets data-dynamic-forms-target="container"
+      = f.fields_for :task_statuses, include_id: false do |tsf|
+        = render 'batch_update_fieldset', ff: tsf, with_destroy: true
 
-  .buttons
-    button.success type="button" data-action="dynamic-forms#addForm" Add status
+    .buttons
+      button.success type="button" data-action="dynamic-forms#addForm" Add status
 
-  = f.fields_for :'_extra_form', index: '__index__' do |exf|
-    template data-dynamic-forms-target="template"
-      = render 'batch_update_fieldset', ff: exf
+    = f.fields_for :'_extra_form', index: '__index__' do |exf|
+      template data-dynamic-forms-target="template"
+        = render 'batch_update_fieldset', ff: exf
 
-  .submit
-    = f.submit
+    .submit
+      = f.submit

From fb03bb1a2dddbd40e91a20600b2dc2e065f95f25 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Wed, 22 Apr 2026 02:15:16 +0300
Subject: [PATCH 15/19] Workflow creation

---
 .../project_admin/workflows_controller.rb     | 25 ++++++++++++-----
 .../project_admin/workflows/update.rb         | 27 -------------------
 .../project_admin/workflows/_form.html.slim   |  2 +-
 .../project_admin/workflows/index.html.slim   |  3 +++
 .../project_admin/workflows/new.html.slim     |  2 ++
 .../project_admin/workflows/show.html.slim    |  2 +-
 .../workflows/statuses/edit.html.slim         |  2 +-
 7 files changed, 26 insertions(+), 37 deletions(-)
 delete mode 100644 app/services/project_admin/workflows/update.rb
 create mode 100644 app/views/project_admin/workflows/new.html.slim

diff --git a/app/controllers/project_admin/workflows_controller.rb b/app/controllers/project_admin/workflows_controller.rb
index fb62575..6081385 100644
--- a/app/controllers/project_admin/workflows_controller.rb
+++ b/app/controllers/project_admin/workflows_controller.rb
@@ -12,16 +12,23 @@ module ProjectAdmin
       # TODO: add loading statuses and other things
     end
 
-    def edit
-      @form = ProjectAdmin::Workflows::Update.new(
-        @workflow.attributes.slice('name', 'icon', 'color')
-      )
+    def new
+      @workflow = @project.workflows.build
     end
 
-    def update
-      @form = ProjectAdmin::Workflows::Update.new(params.expect(workflow: %i[name color icon]))
+    def create
+      @workflow = @project.workflows.build(workflow_params)
+      if @workflow.save
+        redirect_to project_admin_workflow_path(@project, @workflow)
+      else
+        render :new, status: :unprocessable_entity
+      end
+    end
 
-      if @form.perform(@workflow)
+    def edit; end
+
+    def update
+      if @workflow.update(workflow_params)
         redirect_to project_admin_workflow_path(@project, @workflow)
       else
         render :edit, status: :unprocessable_entity
@@ -36,5 +43,9 @@ module ProjectAdmin
     def fetch_workflow
       @workflow = @project.workflows.find(params[:id])
     end
+
+    def workflow_params
+      params.expect(workflow: %i[name color icon])
+    end
   end
 end
diff --git a/app/services/project_admin/workflows/update.rb b/app/services/project_admin/workflows/update.rb
deleted file mode 100644
index e48c297..0000000
--- a/app/services/project_admin/workflows/update.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-# frozen_string_literal: true
-
-module ProjectAdmin
-  module Workflows
-    class Update < ApplicationService
-      attribute :id, :integer
-      attribute :name, :string
-      attribute :icon, :string
-      attribute :color, :string
-
-      validates :name, presence: true
-      validates :icon, inclusion: { in: Workflow.icons.values }
-      validates :color, inclusion: { in: Workflow.colors.values }
-
-      delegate :model_name, to: Workflow
-
-      def persisted? = true
-
-      def perform(workflow)
-        @workflow = workflow
-        @id = workflow.id
-        @workflow.assign_attributes(icon:, color:, name:)
-        save @workflow
-      end
-    end
-  end
-end
diff --git a/app/views/project_admin/workflows/_form.html.slim b/app/views/project_admin/workflows/_form.html.slim
index fa0185f..2164d8d 100644
--- a/app/views/project_admin/workflows/_form.html.slim
+++ b/app/views/project_admin/workflows/_form.html.slim
@@ -1,4 +1,4 @@
-= form_with model: @form, url: url do |form|
+= form_with model: @workflow, url: url, data: {'turbo-frame': '_top'} do |form|
   .field
     = form.label :name
     = form.text_field :name
diff --git a/app/views/project_admin/workflows/index.html.slim b/app/views/project_admin/workflows/index.html.slim
index a220a01..55268ff 100644
--- a/app/views/project_admin/workflows/index.html.slim
+++ b/app/views/project_admin/workflows/index.html.slim
@@ -2,6 +2,9 @@
   h2
     span Workflows
 
+  .links
+    = link_to 'New', new_project_admin_workflow_path(@project)
+
   - @workflows.each do |workflow|
     article.row
       = workflow_display(workflow, full: true)
diff --git a/app/views/project_admin/workflows/new.html.slim b/app/views/project_admin/workflows/new.html.slim
new file mode 100644
index 0000000..3c9c82f
--- /dev/null
+++ b/app/views/project_admin/workflows/new.html.slim
@@ -0,0 +1,2 @@
+= project_admin_frame(@project) do
+  = render 'form', url: project_admin_workflows_path(@project, @workflow)
diff --git a/app/views/project_admin/workflows/show.html.slim b/app/views/project_admin/workflows/show.html.slim
index 2a36a88..39831e5 100644
--- a/app/views/project_admin/workflows/show.html.slim
+++ b/app/views/project_admin/workflows/show.html.slim
@@ -3,7 +3,7 @@ h1
 
 .row
   = workflow_display @workflow, full: true, badge: true
-  .links
+  .links.right
     = link_to 'Edit', edit_project_admin_workflow_path(@project, @workflow)
 
 h2 Statuses
diff --git a/app/views/project_admin/workflows/statuses/edit.html.slim b/app/views/project_admin/workflows/statuses/edit.html.slim
index a2df883..129d907 100644
--- a/app/views/project_admin/workflows/statuses/edit.html.slim
+++ b/app/views/project_admin/workflows/statuses/edit.html.slim
@@ -1,5 +1,5 @@
 = project_admin_workflow_frame(@workflow) do
-  = form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put, data: {controller: 'dynamic-forms', 'dynamic-forms-field-name-value': 'task_statuses_attributes', 'dynamic-forms-field-template-value': '_extra_form', 'dynamic-forms-index-template-value': '__index__', 'dynamic-forms-count-value': @form.task_statuses.count} do |f|
+  = form_with model: @form, scope: 'workflow', url: project_admin_workflow_statuses_path(@project, @workflow), method: :put, data: {controller: 'dynamic-forms', 'dynamic-forms-field-name-value': 'task_statuses_attributes', 'dynamic-forms-field-template-value': '_extra_form', 'dynamic-forms-index-template-value': '__index__', 'dynamic-forms-count-value': @form.task_statuses.count, 'turbo-frame': '_top'} do |f|
     section.workflow-statuses-batch-update-fieldsets data-dynamic-forms-target="container"
       = f.fields_for :task_statuses, include_id: false do |tsf|
         = render 'batch_update_fieldset', ff: tsf, with_destroy: true

From b1038c0d66fc2c19fa4459af7439ab07b77c671f Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Thu, 23 Apr 2026 14:04:47 +0300
Subject: [PATCH 16/19] Small fix for workflow tasks

---
 app/controllers/project_admin/application_controller.rb | 1 +
 app/controllers/tasks_controller.rb                     | 8 +++++++-
 app/views/tasks/new.html.slim                           | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/app/controllers/project_admin/application_controller.rb b/app/controllers/project_admin/application_controller.rb
index bc023f8..9e12f3a 100644
--- a/app/controllers/project_admin/application_controller.rb
+++ b/app/controllers/project_admin/application_controller.rb
@@ -8,6 +8,7 @@ module ProjectAdmin
 
     def fetch_project
       @project = Project.find_by!(code: params[:project_id])
+      self.current_project = @project
     end
   end
 end
diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index d766283..44313d2 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -3,6 +3,8 @@
 class TasksController < ApplicationController
   before_action :fetch_task, only: %w[show edit update delete change_status]
 
+  helper_method :workflows_for_tasks
+
   def index
     self.current_project = fetch_project
     @tasks = if current_project
@@ -17,7 +19,7 @@ class TasksController < ApplicationController
   def show; end
 
   def new
-    @project = fetch_project || Project.order(:name).first
+    @project = self.current_project = fetch_project || Project.order(:name).first
     @workflow = fetch_workflow || @project.workflows.first
     @form = Tasks::Create.new(project_id: @project.id, workflow_id: @workflow.id)
   end
@@ -81,4 +83,8 @@ class TasksController < ApplicationController
     @task = Task.includes(:project).find_by_full_number_or_id!(params[:id])
     self.current_project = @task.project
   end
+
+  def workflows_for_tasks
+    @project.workflows.joins(:task_statuses).distinct
+  end
 end
diff --git a/app/views/tasks/new.html.slim b/app/views/tasks/new.html.slim
index e40c8c3..b87d828 100644
--- a/app/views/tasks/new.html.slim
+++ b/app/views/tasks/new.html.slim
@@ -8,7 +8,7 @@ h1 New task
     fieldset data={controller: 'dependent-frames-selector', 'dependent-frames-selector-param-value': 'workflow_id'}
       .field
         = form.label :workflow
-        = form.select :workflow_id, Workflow.where(project: @form.project).map { |w| [w.name, w.id] }, {}, data: {action: 'dependent-frames-selector#refresh'}
+        = form.select :workflow_id, workflows_for_tasks.map { |w| [w.name, w.id] }, {}, data: {action: 'dependent-frames-selector#refresh'}
 
       = turbo_frame_tag :status_select, data: {'dependent-frames-selector-target': 'frame'}
       .field

From bf78009df8a2548b6d6f320a77cd1e295d469749 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 25 Apr 2026 14:30:12 +0300
Subject: [PATCH 17/19] TaskStatus::Transition model

---
 app/models/task_status.rb                           |  4 ++++
 app/models/task_status/transition.rb                | 10 ++++++++++
 ...20260425112121_create_task_status_transitions.rb | 10 ++++++++++
 db/schema.rb                                        | 13 ++++++++++++-
 4 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 app/models/task_status/transition.rb
 create mode 100644 db/migrate/20260425112121_create_task_status_transitions.rb

diff --git a/app/models/task_status.rb b/app/models/task_status.rb
index 6f516c9..ce9bd83 100644
--- a/app/models/task_status.rb
+++ b/app/models/task_status.rb
@@ -4,6 +4,10 @@ class TaskStatus < ApplicationRecord
   belongs_to :workflow
   has_one :project, through: :workflow
 
+  has_many :from_transitions, class_name: 'TaskStatus::Transition', inverse_of: :from, dependent: :destroy
+  has_many :to_transitions, class_name: 'TaskStatus::Transition', inverse_of: :to, dependent: :destroy
+  has_many :next_statuses, class_name: 'TaskStatus', through: :from_transitions, source: :to
+
   enum :icon, %w[new achived done circle_dash hammer play tool].index_by(&:itself), default: 'new', scopes: false
   enum :color, %w[blue gray yellow green purple pink].index_by(&:itself), default: 'gray', scopes: false
 
diff --git a/app/models/task_status/transition.rb b/app/models/task_status/transition.rb
new file mode 100644
index 0000000..b40e179
--- /dev/null
+++ b/app/models/task_status/transition.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class TaskStatus
+  class Transition < ApplicationRecord
+    self.table_name = 'task_status_transitions'
+
+    belongs_to :from, class_name: '::TaskStatus'
+    belongs_to :to, class_name: '::TaskStatus'
+  end
+end
diff --git a/db/migrate/20260425112121_create_task_status_transitions.rb b/db/migrate/20260425112121_create_task_status_transitions.rb
new file mode 100644
index 0000000..b01d720
--- /dev/null
+++ b/db/migrate/20260425112121_create_task_status_transitions.rb
@@ -0,0 +1,10 @@
+class CreateTaskStatusTransitions < ActiveRecord::Migration[8.1]
+  def change
+    create_table :task_status_transitions do |t|
+      t.belongs_to :from, null: false, foreign_key: { to_table: :task_statuses }
+      t.belongs_to :to, null: false, foreign_key: { to_table: :task_statuses }
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2fdfb89..56ae9ac 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_04_04_215813) do
+ActiveRecord::Schema[8.1].define(version: 2026_04_25_112121) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.text "body", size: :long
     t.datetime "created_at", null: false
@@ -69,6 +69,15 @@ ActiveRecord::Schema[8.1].define(version: 2026_04_04_215813) do
     t.index ["user_id"], name: "index_sessions_on_user_id"
   end
 
+  create_table "task_status_transitions", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.bigint "from_id", null: false
+    t.bigint "to_id", null: false
+    t.datetime "updated_at", null: false
+    t.index ["from_id"], name: "index_task_status_transitions_on_from_id"
+    t.index ["to_id"], name: "index_task_status_transitions_on_to_id"
+  end
+
   create_table "task_statuses", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "color"
     t.datetime "created_at", null: false
@@ -116,6 +125,8 @@ ActiveRecord::Schema[8.1].define(version: 2026_04_04_215813) do
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "sessions", "users"
+  add_foreign_key "task_status_transitions", "task_statuses", column: "from_id"
+  add_foreign_key "task_status_transitions", "task_statuses", column: "to_id"
   add_foreign_key "tasks", "projects"
   add_foreign_key "tasks", "task_statuses", column: "status_id"
   add_foreign_key "workflows", "projects"

From 2a0a70c29043b77c7d696dcc7c537525071576f7 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 25 Apr 2026 15:37:07 +0300
Subject: [PATCH 18/19] Status transitions editing

---
 .../workflows/statuses_controller.rb          | 20 ++++++++++-
 app/helpers/project_admin_helper.rb           |  3 +-
 .../workflows/statuses/update_transitions.rb  | 33 +++++++++++++++++++
 .../statuses/edit_transitions.html.slim       |  9 +++++
 config/routes.rb                              |  2 ++
 5 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 app/services/project_admin/workflows/statuses/update_transitions.rb
 create mode 100644 app/views/project_admin/workflows/statuses/edit_transitions.html.slim

diff --git a/app/controllers/project_admin/workflows/statuses_controller.rb b/app/controllers/project_admin/workflows/statuses_controller.rb
index e8e3543..3157233 100644
--- a/app/controllers/project_admin/workflows/statuses_controller.rb
+++ b/app/controllers/project_admin/workflows/statuses_controller.rb
@@ -18,12 +18,30 @@ module ProjectAdmin
 
         @form = ProjectAdmin::Workflows::Statuses::BatchUpdate.new(form_params)
         if @form.call(@workflow)
-          redirect_to project_admin_workflow_path(@project, @workflow)
+          redirect_to(action: :edit_transitions)
         else
           render :edit
         end
       end
 
+      def edit_transitions
+        @form = ProjectAdmin::Workflows::Statuses::UpdateTransitions.from_model(@workflow)
+      end
+
+      def batch_update_transitions
+        form_params = params.expect(workflow: { task_statuses_attributes: [[:id, { next_status_ids: [] }]] })
+        if form_params[:task_statuses_attributes].respond_to?(:keys)
+          form_params[:task_statuses_attributes] = form_params[:task_statuses_attributes].values
+        end
+
+        @form = ProjectAdmin::Workflows::Statuses::UpdateTransitions.new(form_params)
+        if @form.call(@workflow)
+          redirect_to project_admin_workflow_path(@project, @workflow)
+        else
+          render :edit_transitions
+        end
+      end
+
       private
 
       def fetch_workflow
diff --git a/app/helpers/project_admin_helper.rb b/app/helpers/project_admin_helper.rb
index 58ac73b..78cc668 100644
--- a/app/helpers/project_admin_helper.rb
+++ b/app/helpers/project_admin_helper.rb
@@ -17,7 +17,8 @@ module ProjectAdminHelper
   def project_admin_workflow_frame(workflow, &)
     links = {
       'Data' => edit_project_admin_workflow_path(workflow.project, workflow),
-      'Statuses' => edit_project_admin_workflow_statuses_path(workflow.project, workflow)
+      'Statuses' => edit_project_admin_workflow_statuses_path(workflow.project, workflow),
+      'Transitions' => edit_transitions_project_admin_workflow_statuses_path(workflow.project, workflow)
     }
     title = "Editing workflow #{workflow.name} for project #{workflow.project.name}"
     admin_frame(links, title:, back_path: project_admin_workflow_path(workflow.project, workflow), &)
diff --git a/app/services/project_admin/workflows/statuses/update_transitions.rb b/app/services/project_admin/workflows/statuses/update_transitions.rb
new file mode 100644
index 0000000..05eb6ad
--- /dev/null
+++ b/app/services/project_admin/workflows/statuses/update_transitions.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  module Workflows
+    module Statuses
+      class UpdateTransitions < ApplicationService
+        class TaskStatus
+          include ActiveModel::Model
+          include ActiveModel::Attributes
+
+          attribute :id, :integer
+          attribute :next_status_ids
+        end
+
+        attr_accessor :task_statuses
+
+        def self.from_model(workflow)
+          new(task_statuses_attributes: workflow.task_statuses
+            .includes(:next_statuses)
+            .map { |ts| { id: ts.id, next_status_ids: ts.next_status_ids } })
+        end
+
+        def task_statuses_attributes=(attributes)
+          @task_statuses = Array(attributes).map { |e| TaskStatus.new(e) }
+        end
+
+        def call(workflow)
+          workflow.update(task_statuses_attributes: task_statuses.map(&:attributes))
+        end
+      end
+    end
+  end
+end
diff --git a/app/views/project_admin/workflows/statuses/edit_transitions.html.slim b/app/views/project_admin/workflows/statuses/edit_transitions.html.slim
new file mode 100644
index 0000000..4ede69f
--- /dev/null
+++ b/app/views/project_admin/workflows/statuses/edit_transitions.html.slim
@@ -0,0 +1,9 @@
+= project_admin_workflow_frame(@workflow) do
+  = form_with model: @workflow, scope: :workflow, url: transitions_project_admin_workflow_statuses_path(@project, @workflow), method: :put, data: {'turbo-frame': '_top'} do |f|
+    = f.fields_for :task_statuses do |tsf|
+      section
+        div= task_status_badge tsf.object
+        div= tsf.collection_checkboxes :next_status_ids, @workflow.task_statuses - [tsf.object], :id, :name
+
+    .submit
+      = f.submit
diff --git a/config/routes.rb b/config/routes.rb
index 6f179b1..3d3b3a4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -25,6 +25,8 @@ Rails.application.routes.draw do
           resources :statuses, only: %i[index] do
             get :edit, on: :collection
             put '/', action: :batch_update, on: :collection
+            get :edit_transitions, on: :collection
+            put '/transitions', action: :batch_update_transitions, on: :collection
           end
         end
       end

From debff6dc2277e9e5e125021fe562cf3f98df420f Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sat, 25 Apr 2026 16:17:14 +0300
Subject: [PATCH 19/19] Workflow default status and computing positions

---
 .../workflows/statuses_controller.rb          |  7 ++--
 app/controllers/tasks_controller.rb           |  5 ++-
 app/models/workflow.rb                        | 11 +++++
 .../workflows/statuses/batch_update.rb        |  2 +-
 .../workflows/statuses/update_transitions.rb  | 42 ++++++++++++++++---
 .../tasks/statuses/selector_view_model.rb     |  6 ++-
 .../project_admin/workflows/show.html.slim    |  2 +-
 .../statuses/edit_transitions.html.slim       |  1 +
 ...5123859_add_default_status_to_workflows.rb |  5 +++
 db/schema.rb                                  |  5 ++-
 10 files changed, 71 insertions(+), 15 deletions(-)
 create mode 100644 db/migrate/20260425123859_add_default_status_to_workflows.rb

diff --git a/app/controllers/project_admin/workflows/statuses_controller.rb b/app/controllers/project_admin/workflows/statuses_controller.rb
index 3157233..6ba9922 100644
--- a/app/controllers/project_admin/workflows/statuses_controller.rb
+++ b/app/controllers/project_admin/workflows/statuses_controller.rb
@@ -17,7 +17,7 @@ module ProjectAdmin
         end
 
         @form = ProjectAdmin::Workflows::Statuses::BatchUpdate.new(form_params)
-        if @form.call(@workflow)
+        if @form.perform(@workflow)
           redirect_to(action: :edit_transitions)
         else
           render :edit
@@ -29,13 +29,14 @@ module ProjectAdmin
       end
 
       def batch_update_transitions
-        form_params = params.expect(workflow: { task_statuses_attributes: [[:id, { next_status_ids: [] }]] })
+        form_params = params.expect(workflow: [:default_status_id,
+                                               { task_statuses_attributes: [[:id, { next_status_ids: [] }]] }])
         if form_params[:task_statuses_attributes].respond_to?(:keys)
           form_params[:task_statuses_attributes] = form_params[:task_statuses_attributes].values
         end
 
         @form = ProjectAdmin::Workflows::Statuses::UpdateTransitions.new(form_params)
-        if @form.call(@workflow)
+        if @form.perform(@workflow)
           redirect_to project_admin_workflow_path(@project, @workflow)
         else
           render :edit_transitions
diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index 44313d2..964947e 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -13,7 +13,7 @@ class TasksController < ApplicationController
                Task.all
              end
 
-    @tasks = @tasks.includes(:status, :project, workflow: :task_statuses)
+    @tasks = @tasks.includes(:project, workflow: %i[task_statuses default_status], status: :next_statuses)
   end
 
   def show; end
@@ -21,7 +21,8 @@ class TasksController < ApplicationController
   def new
     @project = self.current_project = fetch_project || Project.order(:name).first
     @workflow = fetch_workflow || @project.workflows.first
-    @form = Tasks::Create.new(project_id: @project.id, workflow_id: @workflow.id)
+    @form = Tasks::Create.new(project_id: @project.id, workflow_id: @workflow.id,
+                              status_id: @workflow.default_status&.id)
   end
 
   def create
diff --git a/app/models/workflow.rb b/app/models/workflow.rb
index dc39ade..3bc135a 100644
--- a/app/models/workflow.rb
+++ b/app/models/workflow.rb
@@ -6,7 +6,18 @@ class Workflow < ApplicationRecord
   has_many :tasks, dependent: :restrict_with_exception
   has_many :task_statuses, dependent: :restrict_with_error
   accepts_nested_attributes_for :task_statuses, allow_destroy: true
+  belongs_to :default_status, class_name: 'TaskStatus', optional: true
 
   enum :icon, { task: 'task', warning: 'warning' }, default: 'task', scopes: false
   enum :color, { blue: 'blue', gray: 'gray', lime: 'lime', red: 'red', teal: 'teal' }, default: 'gray', scopes: false
+
+  validate :should_own_default_status
+
+  private
+
+  def should_own_default_status
+    return if default_status.nil?
+
+    errors.add(:default_status, 'Should own default status') unless default_status.id.in?(task_status_ids)
+  end
 end
diff --git a/app/services/project_admin/workflows/statuses/batch_update.rb b/app/services/project_admin/workflows/statuses/batch_update.rb
index 40bb1b4..d45fb25 100644
--- a/app/services/project_admin/workflows/statuses/batch_update.rb
+++ b/app/services/project_admin/workflows/statuses/batch_update.rb
@@ -40,7 +40,7 @@ module ProjectAdmin
           @task_statuses = Array(attributes).map { |e| TaskStatus.new(e) }
         end
 
-        def call(workflow)
+        def perform(workflow)
           @workflow = workflow
 
           @workflow.assign_attributes(task_statuses_attributes: task_statuses.map(&:to_model_attributes))
diff --git a/app/services/project_admin/workflows/statuses/update_transitions.rb b/app/services/project_admin/workflows/statuses/update_transitions.rb
index 05eb6ad..3fad643 100644
--- a/app/services/project_admin/workflows/statuses/update_transitions.rb
+++ b/app/services/project_admin/workflows/statuses/update_transitions.rb
@@ -12,20 +12,50 @@ module ProjectAdmin
           attribute :next_status_ids
         end
 
-        attr_accessor :task_statuses
+        attr_accessor :workflow, :task_statuses
+
+        attribute :default_status_id, :integer
 
         def self.from_model(workflow)
-          new(task_statuses_attributes: workflow.task_statuses
-            .includes(:next_statuses)
-            .map { |ts| { id: ts.id, next_status_ids: ts.next_status_ids } })
+          new(
+            workflow:,
+            task_statuses_attributes: workflow.task_statuses
+              .includes(:next_statuses)
+              .map { |ts| { id: ts.id, next_status_ids: ts.next_status_ids } },
+            default_status_id: workflow.default_status_id
+          )
         end
 
         def task_statuses_attributes=(attributes)
           @task_statuses = Array(attributes).map { |e| TaskStatus.new(e) }
         end
 
-        def call(workflow)
-          workflow.update(task_statuses_attributes: task_statuses.map(&:attributes))
+        def perform(workflow)
+          @workflow = workflow
+          workflow.assign_attributes(default_status_id:, task_statuses_attributes: task_statuses.map(&:attributes))
+          save workflow
+        end
+
+        after_success do
+          if @workflow.default_status.nil?
+            @workflow.task_statuses.update!(position: 0)
+            return
+          end
+
+          @workflow.transaction do
+            @workflow.default_status.update!(position: 0)
+            seen_status_ids = Set[@workflow.default_status.id]
+            statuses_to_process = [@workflow.default_status]
+
+            until statuses_to_process.empty?
+              status = statuses_to_process.pop
+
+              next_statuses = status.next_statuses.where.not(id: seen_status_ids)
+              next_statuses.update(position: status.position + 1)
+              statuses_to_process.concat(next_statuses.to_a)
+              seen_status_ids.merge(next_statuses.map(&:id))
+            end
+          end
         end
       end
     end
diff --git a/app/view_models/tasks/statuses/selector_view_model.rb b/app/view_models/tasks/statuses/selector_view_model.rb
index 5a3c11c..37093e2 100644
--- a/app/view_models/tasks/statuses/selector_view_model.rb
+++ b/app/view_models/tasks/statuses/selector_view_model.rb
@@ -40,7 +40,11 @@ module Tasks
       private
 
       def workflow_task_statuses
-        @task.workflow.task_statuses.sort_by { |e| [e.position, e.name] }
+        return @task.workflow.task_statuses.sort_by { |e| [e.position, e.name] } if @task.status.next_statuses.empty?
+
+        @task.status.next_statuses.sort_by { |e| [e.position, e.name] }.tap do |statuses|
+          statuses.prepend(@task.status)
+        end
       end
     end
   end
diff --git a/app/views/project_admin/workflows/show.html.slim b/app/views/project_admin/workflows/show.html.slim
index 39831e5..4a5d9aa 100644
--- a/app/views/project_admin/workflows/show.html.slim
+++ b/app/views/project_admin/workflows/show.html.slim
@@ -9,5 +9,5 @@ h1
 h2 Statuses
 
 ul
-  - @workflow.task_statuses.each do |status|
+  - @workflow.task_statuses.default_order.each do |status|
     li= task_status_badge(status)
diff --git a/app/views/project_admin/workflows/statuses/edit_transitions.html.slim b/app/views/project_admin/workflows/statuses/edit_transitions.html.slim
index 4ede69f..d0d6605 100644
--- a/app/views/project_admin/workflows/statuses/edit_transitions.html.slim
+++ b/app/views/project_admin/workflows/statuses/edit_transitions.html.slim
@@ -3,6 +3,7 @@
     = f.fields_for :task_statuses do |tsf|
       section
         div= task_status_badge tsf.object
+        div= f.radio_button :default_status_id, tsf.object.id
         div= tsf.collection_checkboxes :next_status_ids, @workflow.task_statuses - [tsf.object], :id, :name
 
     .submit
diff --git a/db/migrate/20260425123859_add_default_status_to_workflows.rb b/db/migrate/20260425123859_add_default_status_to_workflows.rb
new file mode 100644
index 0000000..9782d23
--- /dev/null
+++ b/db/migrate/20260425123859_add_default_status_to_workflows.rb
@@ -0,0 +1,5 @@
+class AddDefaultStatusToWorkflows < ActiveRecord::Migration[8.1]
+  def change
+    add_reference :workflows, :default_status, foreign_key: { to_table: :task_statuses }
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 56ae9ac..e87c5e9 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_04_25_112121) do
+ActiveRecord::Schema[8.1].define(version: 2026_04_25_123859) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.text "body", size: :long
     t.datetime "created_at", null: false
@@ -114,10 +114,12 @@ ActiveRecord::Schema[8.1].define(version: 2026_04_25_112121) do
   create_table "workflows", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "color", null: false
     t.datetime "created_at", null: false
+    t.bigint "default_status_id"
     t.string "icon", null: false
     t.string "name", null: false
     t.bigint "project_id", null: false
     t.datetime "updated_at", null: false
+    t.index ["default_status_id"], name: "index_workflows_on_default_status_id"
     t.index ["project_id", "name"], name: "index_workflows_on_project_id_and_name", unique: true
     t.index ["project_id"], name: "index_workflows_on_project_id"
   end
@@ -130,4 +132,5 @@ ActiveRecord::Schema[8.1].define(version: 2026_04_25_112121) do
   add_foreign_key "tasks", "projects"
   add_foreign_key "tasks", "task_statuses", column: "status_id"
   add_foreign_key "workflows", "projects"
+  add_foreign_key "workflows", "task_statuses", column: "default_status_id"
 end