Analyzes discovery call transcripts from Attio (primary) and Granola (secondary) against the Discovery Questions Tracker template, creates or appends to a Google Sheet in the Discovery folder with full scoring, customer answers, and evidence, and posts a summary note to the Attio company record. Outputs an xlsx with tabs matching the original spreadsheet template. Use when the user wants to process a discovery call, fill out discovery questions, create a discovery doc, or run /discovery.