Feat/pipeline specified plugins (#1752)

* feat: add persistence field

* feat: add basic extension page in pipeline config

* Merge pull request #1751 from langbot-app/copilot/add-plugin-extension-tab

Implement pipeline-scoped plugin binding system

* fix: i18n keys

---------

Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

web/src/app/home/components/dynamic-form/DynamicFormItemComponent.tsx

@@ -83,7 +83,7 @@ export default function DynamicFormItemComponent({
           setLlmModels(resp.models);
         })
         .catch((err) => {
-          toast.error('获取 LLM 模型列表失败：' + err.message);
+          toast.error('Failed to get LLM model list: ' + err.message);
         });
     }
   }, [config.type]);
@@ -96,7 +96,7 @@ export default function DynamicFormItemComponent({
           setKnowledgeBases(resp.bases);
         })
         .catch((err) => {
-          toast.error('获取知识库列表失败：' + err.message);
+          toast.error('Failed to get knowledge base list: ' + err.message);
         });
     }
   }, [config.type]);