Enhance TagsInput validation: ensure at least one item is required for non-empty arrays

app/Classes/FilamentInput.php

@@ -90,14 +90,22 @@ class FilamentInput
                 break;
 
             case 'tags':
-                return TagsInput::make($setting->name)
+                $input = TagsInput::make($setting->name)
                     ->label($setting->label ?? $setting->name)
                     ->placeholder($setting->placeholder ?? '')
-                    ->required($setting->required ?? false)
                     ->disabled($setting->disabled ?? false)
                     ->hint($setting->hint ?? '')
                     ->hintColor('primary')
                     ->helperText($setting->description ?? '');
+                
+                // For required TagsInput, we need to validate the array has at least one item
+                // Filament's required() alone considers empty arrays as "filled"
+                if ($setting->required ?? false) {
+                    $input->required()
+                        ->rules(['array', 'min:1']);
+                }
+                
+                return $input;
                 break;
 
             case 'text':