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* feat(browser): store full snapshots on truncation; make eval denylist opt-in Two harness fixes motivated by BU_Bench results where fixed-verb + lossy observation cost Hermes heavily vs code-driven browser agents: 1. Snapshot truncation no longer loses content. When a snapshot exceeds the 8000-char threshold, the complete accessibility tree is saved to cache/web (same truncate-and-store pattern as web_extract) and the truncated view / LLM summary includes the file path plus a ready-made read_file call. Element refs beyond the cut are recoverable without re-snapshotting. Stored copies are force-redacted and capped at 2MB; content-hash filenames dedupe repeated snapshots of the same page. 2. The browser_console(expression=...) sensitive-primitive denylist is now opt-in via browser.restrict_evaluate (default false). The names-based denylist blocked legitimate DOM extraction — any selector or expression containing 'fetch', 'cookie', 'input', etc. — which crippled the agent's only programmatic page-inspection path. The SSRF/private-URL egress guards in _browser_eval are independent of this policy and remain always-on. browser.allow_unsafe_evaluate keeps its meaning (bypass the denylist) for configs that already set it. * test: update None-guard test for stored-snapshot pointer in _extract_relevant_content test_normal_content_returned pinned the exact return value; the summary now carries a pointer to the stored full snapshot. Assert the summary passes through and the pointer is present instead. * feat(browser): align snapshot threshold with web_extract's 15k char budget SNAPSHOT_SUMMARIZE_THRESHOLD 8000 -> 15000, matching web_tools.DEFAULT_EXTRACT_CHAR_LIMIT so the snapshot and web_extract truncate-and-store paths give the model the same per-page budget. _truncate_snapshot's default max_chars now follows the constant. Invariant test added; docs (en+zh) and CLI tip updated. |
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Website
This website is built using Docusaurus, a modern static website generator.
Installation
yarn
Local Development
yarn start
This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
Build
yarn build
This command generates static content into the build directory and can be served using any static contents hosting service.
Deployment
Using SSH:
USE_SSH=true yarn deploy
Not using SSH:
GIT_USER=<Your GitHub username> yarn deploy
If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the gh-pages branch.
Diagram Linting
CI runs ascii-guard to lint docs for ASCII box diagrams. Use Mermaid (````mermaid`) or plain lists/tables instead of ASCII boxes to avoid CI failures.