Implement board columns and project workflow settings

database/factories/BoardColumnFactory.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\BoardColumn;
+use App\Models\Project;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<BoardColumn>
+ */
+class BoardColumnFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'name' => fake()->unique()->words(2, true),
+            'position' => 1,
+            'project_id' => Project::factory(),
+        ];
+    }
+}

database/migrations/2026_03_25_002100_create_board_columns_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('board_columns', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('project_id')->constrained()->cascadeOnDelete();
+            $table->string('name');
+            $table->unsignedInteger('position');
+            $table->timestamps();
+
+            $table->unique(['project_id', 'position']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('board_columns');
+    }
+};

database/seeders/BoardColumnSeeder.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\BoardColumn;
+use App\Models\Project;
+use Illuminate\Database\Seeder;
+
+class BoardColumnSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        Project::query()
+            ->orderBy('id')
+            ->get()
+            ->each(function (Project $project): void {
+                BoardColumn::factory()
+                    ->count(3)
+                    ->sequence(
+                        ['name' => 'Todo', 'position' => 1],
+                        ['name' => 'In Progress', 'position' => 2],
+                        ['name' => 'Done', 'position' => 3],
+                    )
+                    ->for($project)
+                    ->create();
+            });
+    }
+}

database/seeders/DatabaseSeeder.php

@@ -15,6 +15,7 @@ class DatabaseSeeder extends Seeder
         $this->call([
             UserSeeder::class,
             ProjectSeeder::class,
+            BoardColumnSeeder::class,
             TeamSeeder::class,
             ProjectAccessSeeder::class,
         ]);