refactor: kb & station & terminal

app/Filament/Resources/DocumentResource/Pages/EditDocument.php

@@ -38,10 +38,6 @@ class EditDocument extends EditRecord
 
     protected function mutateFormDataBeforeSave(array $data): array
     {
-        if ($data['type'] === 'global') {
-            $data['group_id'] = null;
-        }
-
         $currentFile = $data['file'] ?? null;
 
         // 检测文件是否变更：与填充时记录的原始路径比较
@@ -62,7 +58,6 @@ class EditDocument extends EditRecord
             // 重置转换状态，触发重新转换
             $data['conversion_status'] = 'pending';
             $data['markdown_path'] = null;
-            $data['markdown_preview'] = null;
             $data['conversion_error'] = null;
         }