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

app/Models/Agent.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Agent extends Model
+{
+    protected $fillable = [
+        'first_name',
+        'last_name',
+        'email',
+        'position',
+        'department',
+        'arrival_date',
+        'integration_status',
+        'created_by',
+        'validated_by_rh_at',
+    ];
+
+    protected $casts = [
+        'arrival_date' => 'date',
+        'integration_status' => \App\Enums\IntegrationStatus::class,
+        'validated_by_rh_at' => 'datetime',
+    ];
+
+    public function creator()
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function integrationRequests()
+    {
+        return $this->hasMany(IntegrationRequest::class);
+    }
+}