feat: Initialize core application structure including authentication, role-based dashboards, service task management, and integration workflows.

app/Models/TaskItem.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class TaskItem extends Model
+{
+    protected $fillable = [
+        'service_task_id',
+        'label',
+        'is_mandatory',
+        'is_completed',
+        'completed_at',
+        'completed_by',
+        'data',
+        'fields_definition',
+    ];
+
+    protected $casts = [
+        'is_mandatory' => 'boolean',
+        'is_completed' => 'boolean',
+        'completed_at' => 'datetime',
+        'data' => 'array',
+        'fields_definition' => 'array',
+    ];
+
+    public function serviceTask()
+    {
+        return $this->belongsTo(ServiceTask::class);
+    }
+
+    public function completedBy()
+    {
+        return $this->belongsTo(User::class, 'completed_by');
+    }
+}