1.7.0

Deep Research open alpha with structured outputs and customizability, concurrent browsers with improved rate limits, Compare beta feature to detect website changes in /scrape and /crawl (closed beta), optional URLs in /extract endpoint, scrape endpoint concurrency-limit warnings, new examples featuring Claude 3.7, Gemini 2.5, Deepseek V3, Mistral 3.1, maxDiscoveryDepth option for crawl. Fixes: circular JSON error in search, reworked tally system, sitemaps poisoning fixed, crawler status retries (up to 3), credit check snaps to remaining credits, path filtering bug fix in Map, unsupported schema removed from llmExtract.