webframe: evaluated as a scraper and a sandbox

Summary

Jeff Lindsay's webframe runs a web page like a program, executing a URL or file in a hidden headless web view and writing console.log() output to standard output and exceptions to standard error. It is written in Go on the glaze library, which uses the system browser engine (WKWebView, WebKitGTK or WebView2) rather than bundling its own. The author had Claude Opus 5.5 test it and assess it as a sandboxing tool and as a scraper following shot-scraper JavaScript patterns.

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