make app database

app/Models/StageDefinition.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Database\Factories\StageDefinitionFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable(['code', 'name', 'is_active'])]
+class StageDefinition extends Model
+{
+    /** @use HasFactory<StageDefinitionFactory> */
+    use HasFactory;
+
+    public function workflowConfigurationSteps(): HasMany
+    {
+        return $this->hasMany(WorkflowConfigurationStep::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_active' => 'boolean',
+        ];
+    }
+}