chore: update document approval workflow and bug fixes

Modules/UserManagement/app/Models/EmployeeProfile.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Modules\UserManagement\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class EmployeeProfile extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'department',
+        'position',
+        'employee_code',
+        'hire_date',
+        'phone',
+        'address',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'hire_date' => 'date',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\User::class);
+    }
+}