feat: integrate login/registration into PurchaseWizard

app/Models/User.php

@@ -10,8 +10,8 @@ use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Illuminate\Database\Eloquent\Relations\HasOne;
 use Laravel\Sanctum\HasApiTokens;
-
-class User extends Authenticatable implements MustVerifyEmail
+use Filament\Models\Contracts\HasName;
+class User extends Authenticatable implements MustVerifyEmail, HasName
 {
     /** @use HasFactory<\Database\Factories\UserFactory> */
     use HasApiTokens, HasFactory, Notifiable;
@@ -90,6 +90,14 @@ class User extends Authenticatable implements MustVerifyEmail
         );
     }
 
+    public function getFilamentName(): string
+    {
+        if ($this->first_name && $this->last_name) {
+            return trim($this->first_name . ' ' . $this->last_name);
+        }
+        return $this->username ?? $this->email ?? 'Unnamed User';
+    }
+
     public function tenant(): HasOne
     {
         return $this->hasOne(Tenant::class);