chore: Upgrade LangChain packages to latest versions (no-changelog)

packages/@n8n/json-schema-to-zod/src/index.ts

@@ -1,2 +1,2 @@
 export type * from './types';
-export { jsonSchemaToZod } from './json-schema-to-zod.js';
+export { jsonSchemaToZod } from './json-schema-to-zod';

packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/utils.ts

@@ -1,8 +1,10 @@
-import type { ZodObjectAny } from '@langchain/core/dist/types/zod';
+import type { z } from 'zod';
 import type { BaseOutputParser } from '@langchain/core/output_parsers';
 import type { DynamicStructuredTool, Tool } from 'langchain/tools';
 import { NodeOperationError, type IExecuteFunctions, type INode } from 'n8n-workflow';
 
+type ZodObjectAny = z.ZodObject<any, any, any, any>;
+
 export async function extractParsedOutput(
 	ctx: IExecuteFunctions,
 	outputParser: BaseOutputParser<unknown>,

packages/@n8n/nodes-langchain/package.json

@@ -135,47 +135,47 @@
     "@getzep/zep-js": "0.9.0",
     "@google-ai/generativelanguage": "2.6.0",
     "@google-cloud/resource-manager": "5.3.0",
-    "@google/generative-ai": "0.19.0",
+    "@google/generative-ai": "0.21.0",
     "@huggingface/inference": "2.8.0",
-    "@langchain/anthropic": "0.3.7",
-    "@langchain/aws": "0.1.1",
+    "@langchain/anthropic": "0.3.8",
+    "@langchain/aws": "0.1.2",
     "@langchain/cohere": "0.3.1",
-    "@langchain/community": "0.3.11",
+    "@langchain/community": "0.3.15",
     "@langchain/core": "catalog:",
-    "@langchain/google-genai": "0.1.2",
-    "@langchain/google-vertexai": "0.1.0",
+    "@langchain/google-genai": "0.1.4",
+    "@langchain/google-vertexai": "0.1.3",
     "@langchain/groq": "0.1.2",
-    "@langchain/mistralai": "0.1.1",
-    "@langchain/ollama": "0.1.1",
-    "@langchain/openai": "0.3.11",
-    "@langchain/pinecone": "0.1.1",
-    "@langchain/qdrant": "0.1.0",
+    "@langchain/mistralai": "0.2.0",
+    "@langchain/ollama": "0.1.2",
+    "@langchain/openai": "0.3.14",
+    "@langchain/pinecone": "0.1.3",
+    "@langchain/qdrant": "0.1.1",
     "@langchain/redis": "0.1.0",
     "@langchain/textsplitters": "0.1.0",
     "@mozilla/readability": "0.5.0",
     "@n8n/json-schema-to-zod": "workspace:*",
     "@n8n/typeorm": "0.3.20-12",
     "@n8n/vm2": "3.9.25",
-    "@pinecone-database/pinecone": "3.0.3",
+    "@pinecone-database/pinecone": "4.0.0",
     "@qdrant/js-client-rest": "1.11.0",
     "@supabase/supabase-js": "2.45.4",
     "@xata.io/client": "0.28.4",
     "basic-auth": "catalog:",
     "cheerio": "1.0.0",
-    "cohere-ai": "7.13.2",
+    "cohere-ai": "7.14.0",
     "d3-dsv": "2.0.0",
     "epub2": "3.0.2",
     "form-data": "catalog:",
     "generate-schema": "2.6.0",
     "html-to-text": "9.0.5",
     "jsdom": "23.0.1",
-    "langchain": "0.3.5",
+    "langchain": "0.3.6",
     "lodash": "catalog:",
     "mammoth": "1.7.2",
     "mime-types": "2.1.35",
     "n8n-nodes-base": "workspace:*",
     "n8n-workflow": "workspace:*",
-    "openai": "4.69.0",
+    "openai": "4.73.1",
     "pdf-parse": "1.1.1",
     "pg": "8.12.0",
     "redis": "4.6.12",

packages/@n8n/nodes-langchain/utils/output_parsers/N8nStructuredOutputParser.ts

@@ -32,7 +32,9 @@ export class N8nStructuredOutputParser extends StructuredOutputParser<
 			[{ json: { action: 'parse', text } }],
 		]);
 		try {
-			const parsed = await super.parse(text);
+			const jsonString = text.includes('```') ? text.split(/```(?:json)?/)[1] : text;
+			const json = JSON.parse(jsonString.trim());
+			const parsed = await this.schema.parseAsync(json);
 
 			const result = (get(parsed, [STRUCTURED_OUTPUT_KEY, STRUCTURED_OUTPUT_OBJECT_KEY]) ??
 				get(parsed, [STRUCTURED_OUTPUT_KEY, STRUCTURED_OUTPUT_ARRAY_KEY]) ??