refactor(core): Fix type errors in workflow, core, nodes-langchain, and nodes-base (no-changelog) (#9450)

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreInMemoryInsert/VectorStoreInMemoryInsert.node.ts

@@ -108,6 +108,6 @@ export class VectorStoreInMemoryInsert implements INodeType {
 			clearStore,
 		);
 
-		return await this.prepareOutputData(serializedDocuments);
+		return [serializedDocuments];
 	}
 }

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStorePineconeInsert/VectorStorePineconeInsert.node.ts

@@ -134,6 +134,6 @@ export class VectorStorePineconeInsert implements INodeType {
 			pineconeIndex,
 		});
 
-		return await this.prepareOutputData(serializedDocuments);
+		return [serializedDocuments];
 	}
 }

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreQdrant/VectorStoreQdrant.node.ts

@@ -46,7 +46,7 @@ export const VectorStoreQdrant = createVectorStoreNode({
 	methods: { listSearch: { qdrantCollectionsSearch } },
 	insertFields,
 	sharedFields,
-	async getVectorStoreClient(context, filter, embeddings, itemIndex) {
+	async getVectorStoreClient(context, _, embeddings, itemIndex) {
 		const collection = context.getNodeParameter('qdrantCollection', itemIndex, '', {
 			extractValue: true,
 		}) as string;

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreSupabaseInsert/VectorStoreSupabaseInsert.node.ts

@@ -122,6 +122,6 @@ export class VectorStoreSupabaseInsert implements INodeType {
 			queryName,
 		});
 
-		return await this.prepareOutputData(serializedDocuments);
+		return [serializedDocuments];
 	}
 }

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreZepInsert/VectorStoreZepInsert.node.ts

@@ -139,6 +139,6 @@ export class VectorStoreZepInsert implements INodeType {
 
 		await ZepVectorStore.fromDocuments(processedDocuments, embeddings, zepConfig);
 
-		return await this.prepareOutputData(serializedDocuments);
+		return [serializedDocuments];
 	}
 }

packages/@n8n/nodes-langchain/nodes/vector_store/shared/createVectorStoreNode.ts

@@ -240,7 +240,7 @@ export const createVectorStoreNode = (args: VectorStoreNodeConstructorArgs) =>
 					void logAiEvent(this, 'n8n.ai.vector.store.searched', { query: prompt });
 				}
 
-				return await this.prepareOutputData(resultData);
+				return [resultData];
 			}
 
 			if (mode === 'insert') {
@@ -270,7 +270,7 @@ export const createVectorStoreNode = (args: VectorStoreNodeConstructorArgs) =>
 					}
 				}
 
-				return await this.prepareOutputData(resultData);
+				return [resultData];
 			}
 
 			throw new NodeOperationError(