- Add scrape-fill-chunk.mjs: reusable chunk-based Payee Central scraper
with resume support and concurrent instance capability
- Add prompts/po-email-parser.md: LLM prompt for Coupa PO email parsing
with site code extraction patterns, skip list, and trade classification
- Add README.md with architecture docs, DynamoDB schema, and script index
- Track output/site-state-extra-mapping.json (392 facility codes)
- Remove scrape-payee.mjs and scrape-payee-notfound.mjs (superseded by
chunk scraper)
