v1.4.3

Open source version of OpenAI Deep Research released. New extraction capability for R1 web extractor, lightweight O3-mini web crawler introduced, updated model parameters for o3-mini company researcher. Improvements include URL deduplication for trailing slashes and alternate forms, improved URL blocking using tldts parsing, valid JSON extraction via rawHtml in scrape, product reviews summarizer using o3-mini, scrape options for extract, O3-mini job resource extractor, and cached scrapes for extract evaluations.