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AI Workflow

n8n/LangGraph workflow for intelligent extraction and storage with read-only viewer.

n8nLangGraphOpenAI APIPostgreSQLNext.js
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Overview

[Direct Implementation] AI-powered email attachment processing workflow built as Ascension AI co-founder, automating invoice and receipt extraction for real estate projects. Implements LangChain, LangGraph, and n8n with RAG-enabled agents featuring chat model switching (OpenAI, LlaMA, Qwen) for cost optimization. Includes safety constraints, error handling, PostgreSQL data storage, and read-only viewer interface—delivering measurable business value through intelligent document processing and natural language querying capabilities.