GPT-4 Jobs

I need an end-to-end n8n workflow that pulls data from two main sources—uploaded CSV/Excel files and live Google Spreadsheet tabs—then lets me ask for a custom report, have AI compose the narrative, export the result to a fresh .xlsx file, and add whatever chart the request calls for (bar, line, pie, or any other common type). Here is how I picture it working: • Data intake: watcher or manual trigger accepts a spreadsheet or points to a specific Google Sheet range, cleans and validates the dataset. • AI step: a prompt-driven node (OpenAI, GPT-4, or similar) summarises insights and structures the text for the report according to the question I write in plain English. • Report assembly: tables, headings, and the chosen chart are combined, then saved as a mult...