feat(Structured Output Parser Node): Refactor Output Parsers and Improve Error Handling (#11148)

packages/@n8n/nodes-langchain/utils/output_parsers/prompt.ts

@@ -0,0 +1,20 @@
+import { PromptTemplate } from '@langchain/core/prompts';
+
+export const NAIVE_FIX_TEMPLATE = `Instructions:
+--------------
+{instructions}
+--------------
+Completion:
+--------------
+{completion}
+--------------
+
+Above, the Completion did not satisfy the constraints given in the Instructions.
+Error:
+--------------
+{error}
+--------------
+
+Please try again. Please only respond with an answer that satisfies the constraints laid out in the Instructions:`;
+
+export const NAIVE_FIX_PROMPT = PromptTemplate.fromTemplate(NAIVE_FIX_TEMPLATE);