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* feat: add get_dom and search_dom tools for HTML DOM inspection Add two new observation tools: - get_dom: Returns raw HTML of a page or scoped element via CSS selector - search_dom: Fuzzy searches DOM elements by text, attributes, IDs, and class names using Fuse.js with extended search syntax support Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * refactor: use CDP DOM protocol instead of injected scripts for DOM tools Replace Runtime.evaluate-based approach with native CDP DOM methods: - get_dom uses DOM.getDocument + DOM.querySelector + DOM.getOuterHTML - search_dom uses DOM.performSearch + DOM.getSearchResults + DOM.describeNode - Remove fuse.js dependency (CDP performSearch handles text/CSS/XPath natively) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * test: add comprehensive tests for get_dom and search_dom tools Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * fix: resolve text nodes to parent elements in searchDom CDP performSearch returns text nodes (nodeType 3) for plain text queries. describeNode does not populate parentId, so use resolveNode + callFunctionOn to get parentElement, then requestNode to obtain the parent's nodeId. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * fix: add limit bounds validation and searchId leak prevention - Add .int().min(1).max(200) to search_dom limit parameter - Wrap searchDom result processing in try/finally to ensure discardSearchResults is always called Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>