fix: pipeline duplication bug

src/langbot/pkg/api/http/controller/groups/pipelines/pipelines.py

@@ -49,6 +49,14 @@ class PipelinesRouterGroup(group.RouterGroup):
 
                 return self.success()
 
+        @self.route('/<pipeline_uuid>/copy', methods=['POST'], auth_type=group.AuthType.USER_TOKEN_OR_API_KEY)
+        async def _(pipeline_uuid: str) -> str:
+            try:
+                new_uuid = await self.ap.pipeline_service.copy_pipeline(pipeline_uuid)
+                return self.success(data={'uuid': new_uuid})
+            except ValueError as e:
+                return self.http_status(404, -1, str(e))
+
         @self.route(
             '/<pipeline_uuid>/extensions', methods=['GET', 'PUT'], auth_type=group.AuthType.USER_TOKEN_OR_API_KEY
         )

src/langbot/pkg/api/http/service/pipeline.py

@@ -151,6 +151,52 @@ class PipelineService:
         )
         await self.ap.pipeline_mgr.remove_pipeline(pipeline_uuid)
 
+    async def copy_pipeline(self, pipeline_uuid: str) -> str:
+        """Copy a pipeline with all its configurations"""
+        # Get the original pipeline
+        result = await self.ap.persistence_mgr.execute_async(
+            sqlalchemy.select(persistence_pipeline.LegacyPipeline).where(
+                persistence_pipeline.LegacyPipeline.uuid == pipeline_uuid
+            )
+        )
+
+        original_pipeline = result.first()
+        if original_pipeline is None:
+            raise ValueError(f'Pipeline {pipeline_uuid} not found')
+
+        # Create new pipeline data
+        new_uuid = str(uuid.uuid4())
+        new_pipeline_data = {
+            'uuid': new_uuid,
+            'name': f'{original_pipeline.name} (Copy)',
+            'description': original_pipeline.description,
+            'for_version': self.ap.ver_mgr.get_current_version(),
+            'stages': original_pipeline.stages.copy() if original_pipeline.stages else default_stage_order.copy(),
+            'config': original_pipeline.config.copy() if original_pipeline.config else {},
+            'is_default': False,
+            'extensions_preferences': (
+                original_pipeline.extensions_preferences.copy()
+                if original_pipeline.extensions_preferences
+                else {
+                    'enable_all_plugins': True,
+                    'enable_all_mcp_servers': True,
+                    'plugins': [],
+                    'mcp_servers': [],
+                }
+            ),
+        }
+
+        # Insert the new pipeline
+        await self.ap.persistence_mgr.execute_async(
+            sqlalchemy.insert(persistence_pipeline.LegacyPipeline).values(**new_pipeline_data)
+        )
+
+        # Load the new pipeline
+        pipeline = await self.get_pipeline(new_uuid)
+        await self.ap.pipeline_mgr.load_pipeline(pipeline)
+
+        return new_uuid
+
     async def update_pipeline_extensions(
         self,
         pipeline_uuid: str,

web/src/app/home/pipelines/components/pipeline-form/PipelineFormComponent.tsx

@@ -52,6 +52,7 @@ export default function PipelineFormComponent({
 }) {
   const { t } = useTranslation();
   const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
+  const [showCopyConfirm, setShowCopyConfirm] = useState(false);
   const [isDefaultPipeline, setIsDefaultPipeline] = useState<boolean>(false);
 
   const formSchema = isEditMode
@@ -345,25 +346,17 @@ export default function PipelineFormComponent({
   };
 
   const handleCopy = () => {
+    setShowCopyConfirm(true);
+  };
+
+  const confirmCopy = () => {
     if (pipelineId) {
-      let newPipelineName = '';
       httpClient
-        .getPipeline(pipelineId)
-        .then((resp) => {
-          const originalPipeline = resp.pipeline;
-          newPipelineName = `${originalPipeline.name}${t(
-            'pipelines.copySuffix',
-          )}`;
-          const newPipeline: Pipeline = {
-            name: newPipelineName,
-            description: originalPipeline.description,
-            config: originalPipeline.config,
-          };
-          return httpClient.createPipeline(newPipeline);
-        })
+        .copyPipeline(pipelineId)
         .then(() => {
           onFinish();
-          toast.success(`${t('common.copySuccess')}: ${newPipelineName}`);
+          toast.success(t('common.copySuccess'));
+          setShowCopyConfirm(false);
           onCancel();
         })
         .catch((err) => {
@@ -547,6 +540,22 @@ export default function PipelineFormComponent({
           </DialogFooter>
         </DialogContent>
       </Dialog>
+
+      {/* 复制确认对话框 */}
+      <Dialog open={showCopyConfirm} onOpenChange={setShowCopyConfirm}>
+        <DialogContent>
+          <DialogHeader>
+            <DialogTitle>{t('pipelines.copyConfirmTitle')}</DialogTitle>
+          </DialogHeader>
+          <div className="py-4">{t('pipelines.copyConfirmation')}</div>
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setShowCopyConfirm(false)}>
+              {t('common.cancel')}
+            </Button>
+            <Button onClick={confirmCopy}>{t('common.confirm')}</Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
     </>
   );
 }

web/src/app/infra/http/BackendClient.ts

@@ -172,6 +172,10 @@ export class BackendClient extends BaseHttpClient {
     return this.delete(`/api/v1/pipelines/${uuid}`);
   }
 
+  public copyPipeline(uuid: string): Promise<{ uuid: string }> {
+    return this.post(`/api/v1/pipelines/${uuid}/copy`);
+  }
+
   public getPipelineExtensions(uuid: string): Promise<{
     enable_all_plugins: boolean;
     enable_all_mcp_servers: boolean;

web/src/i18n/locales/en-US.ts

@@ -493,6 +493,9 @@ const enUS = {
     defaultPipelineCannotDelete: 'Default pipeline cannot be deleted',
     deleteSuccess: 'Deleted successfully',
     deleteError: 'Delete failed: ',
+    copyConfirmTitle: 'Confirm Copy',
+    copyConfirmation:
+      'Are you sure you want to copy this pipeline? This will create a new pipeline with all configurations.',
     extensions: {
       title: 'Extensions',
       loadError: 'Failed to load plugins',

web/src/i18n/locales/ja-JP.ts

@@ -496,6 +496,9 @@ const jaJP = {
     defaultPipelineCannotDelete: 'デフォルトパイプラインは削除できません',
     deleteSuccess: '削除に成功しました',
     deleteError: '削除に失敗しました：',
+    copyConfirmTitle: 'コピーの確認',
+    copyConfirmation:
+      'このパイプラインをコピーしますか？すべての設定を含む新しいパイプラインが作成されます。',
     extensions: {
       title: 'プラグイン統合',
       loadError: 'プラグインリストの読み込みに失敗しました',

web/src/i18n/locales/zh-Hans.ts

@@ -475,6 +475,9 @@ const zhHans = {
     defaultPipelineCannotDelete: '默认流水线不可删除',
     deleteSuccess: '删除成功',
     deleteError: '删除失败：',
+    copyConfirmTitle: '确认复制',
+    copyConfirmation:
+      '确定要复制这个流水线吗？复制将创建一个包含完整配置的新流水线。',
     extensions: {
       title: '扩展集成',
       loadError: '加载插件列表失败',

web/src/i18n/locales/zh-Hant.ts

@@ -473,6 +473,9 @@ const zhHant = {
     defaultPipelineCannotDelete: '預設流程線不可刪除',
     deleteSuccess: '刪除成功',
     deleteError: '刪除失敗：',
+    copyConfirmTitle: '確認複製',
+    copyConfirmation:
+      '確定要複製這個流程線嗎？複製將創建一個包含完整配置的新流程線。',
     extensions: {
       title: '擴展集成',
       loadError: '載入插件清單失敗',