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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CxK4F7TmYtpmGnAQA5m621","type":"tool_result","content":"chrome-devtools - the chrome-devtools toolset\n\nWhen relevant, outputs from this CLI will prefer using the TOON format for more efficient representation of data.\n\nUSAGE:\n  chrome-devtools <subcommand> [options]\n\nSUBCOMMANDS:\n  click                               Clicks on the provided element\n  close-page                          Closes the page by its index\n  drag                                Drag an element onto another element\n  emulate                             Emulates various features on the selected page\n  evaluate-script                     Evaluate a JavaScript function inside the currently selected page\n  fill                                Type text into a input, text area or select an option from a <select> element\n  fill-form                           Fill out multiple form elements at once\n  get-console-message                 Gets a console message by its ID\n  get-network-request                 Gets a network request by an optional reqid, if omitted returns the currently selected request in the DevTools Network panel\n  handle-dialog                       If a browser dialog was opened, use this command to handle it\n  hover                               Hover over the provided element\n  lighthouse-audit                    Get Lighthouse score and reports for accessibility, SEO and best practices\n  list-console-messages               List all console messages for the currently selected page since the last navigation\n  list-network-requests               List all requests for the currently selected page since the last navigation\n  list-pages                          Get a list of pages  open in the browser\n  navigate-page                       Go to a URL, or back, forward, or reload\n  new-page                            Open a new tab and load a URL\n  performance-analyze-insight         Provides more detailed information on a specific Performance Insight of an insight set that was highlighted in the results of a trace recording\n  performance-start-trace             Start a performance trace on the selected webpage\n  performance-stop-trace              Stop the active performance trace recording on the selected webpage\n  press-key                           Press a key or key combination\n  resize-page                         Resizes the selected page's window so that the page has specified dimension\n  select-page                         Select a page as a context for future tool calls\n  take-memory-snapshot                Capture a heap snapshot of the currently selected page\n  take-screenshot                     Take a screenshot of the page or element\n  take-snapshot                       Take a text snapshot of the currently selected page based on the a11y tree\n  type-text                           Type text using keyboard into a previously focused input\n  upload-file                         Upload a file through a provided element\n  wait-for                            Wait for the specified text to appear on the selected page\n\nRun 'chrome-devtools <subcommand> --help' for subcommand usage.","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"5124f80d-d524-4701-984e-11d98485d3cc","timestamp":"2026-04-03T08:55:57.216Z","tool_use_result":{"stdout":"chrome-devtools - the chrome-devtools toolset\n\nWhen relevant, outputs from this CLI will prefer using the TOON format for more efficient representation of data.\n\nUSAGE:\n  chrome-devtools <subcommand> [options]\n\nSUBCOMMANDS:\n  click                               Clicks on the provided element\n  close-page                          Closes the page by its index\n  drag                                Drag an element onto another element\n  emulate                             Emulates various features on the selected page\n  evaluate-script                     Evaluate a JavaScript function inside the currently selected page\n  fill                                Type text into a input, text area or select an option from a <select> element\n  fill-form                           Fill out multiple form elements at once\n  get-console-message                 Gets a console message by its ID\n  get-network-request                 Gets a network request by an optional reqid, if omitted returns the currently selected request in the DevTools Network panel\n  handle-dialog                       If a browser dialog was opened, use this command to handle it\n  hover                               Hover over the provided element\n  lighthouse-audit                    Get Lighthouse score and reports for accessibility, SEO and best practices\n  list-console-messages               List all console messages for the currently selected page since the last navigation\n  list-network-requests               List all requests for the currently selected page since the last navigation\n  list-pages                          Get a list of pages  open in the browser\n  navigate-page                       Go to a URL, or back, forward, or reload\n  new-page                            Open a new tab and load a URL\n  performance-analyze-insight         Provides more detailed information on a specific Performance Insight of an insight set that was highlighted in the results of a trace recording\n  performance-start-trace             Start a performance trace on the selected webpage\n  performance-stop-trace              Stop the active performance trace recording on the selected webpage\n  press-key                           Press a key or key combination\n  resize-page                         Resizes the selected page's window so that the page has specified dimension\n  select-page                         Select a page as a context for future tool calls\n  take-memory-snapshot                Capture a heap snapshot of the currently selected page\n  take-screenshot                     Take a screenshot of the page or element\n  take-snapshot                       Take a text snapshot of the currently selected page based on the a11y tree\n  type-text                           Type text using keyboard into a previously focused input\n  upload-file                         Upload a file through a provided element\n  wait-for                            Wait for the specified text to appear on the selected page\n\nRun 'chrome-devtools <subcommand> --help' for subcommand usage.","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0145F9v51NeArtBAm5dPT1Zg","type":"tool_result","content":"<persisted-output>\nOutput too large (533.1KB). Full output saved to: /Users/kunchen/.claude/projects/-Users-kunchen-github-kunchenguid-axi-bench-browser-results-chrome-devtools-mcp-compressed-cli-multi-site-research-run2-workspace/879642c5-3133-4bd9-955a-09a726dbcb5c/tool-results/b9lumt4lw.txt\n\nPreview (first 2KB):\n## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language) [selected]\n## Latest page snapshot\nuid=1_0 RootWebArea \"Rust (programming language) - Wikipedia\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n  uid=1_1 generic live=\"polite\" relevant=\"additions text\"\n  uid=1_2 link \"Jump to content\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#bodyContent\"\n    uid=1_3 StaticText \"Jump to content\"\n  uid=1_4 banner\n    uid=1_5 navigation \"Site\"\n      uid=1_6 button \"Main menu\" haspopup=\"menu\"\n    uid=1_7 link \"Wikipedia The Free Encyclopedia\" url=\"https://en.wikipedia.org/wiki/Main_Page\"\n      uid=1_8 image \"Wikipedia\" url=\"https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en-25.svg\"\n      uid=1_9 image \"The Free Encyclopedia\" url=\"https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en-25.svg\"\n    uid=1_10 search\n      uid=1_11 searchbox \"Search Wikipedia\" description=\"Search Wikipedia [ctrl-option-f]\" keyshortcuts=\"Ctrl+Alt+f\"\n      uid=1_12 button \"Search\"\n    uid=1_13 navigation \"Personal tools\"\n      uid=1_14 link \"Donate\" url=\"https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&uselang=en\"\n        uid=1_15 StaticText \"Donate\"\n      uid=1_16 link \"Create account\" description=\"You are encouraged to create an account and log in; however, it is not mandatory\" url=\"https://en.wikipedia.org/w/index.php?title=Special:CreateAccount&returnto=Rust+%28programming+language%29\"\n        uid=1_17 StaticText \"Create account\"\n      uid=1_18 link \"Log in\" description=\"You're encouraged to log in; however, it's not mandatory. [ctrl-option-o]\" keyshortcuts=\"Ctrl+Alt+o\" url=\"https://en.wikipedia.org/w/index.php?title=Special:UserLogin&returnto=Rust+%28programming+language%29\"\n        uid=1_19 StaticText \"Log in\"\n  uid=1_20 navigation \"Contents\"\n    uid=1_21 heading \"Contents\" level=\"2\"\n    uid=1_22 button \"hide\"\n...\n</persisted-output>","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"ad637e47-4209-4567-bffe-149172ab2ca9","timestamp":"2026-04-03T08:56:01.026Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language) [selected]\n## Latest page snapshot\nuid=1_0 RootWebArea \"Rust (programming language) - Wikipedia\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n  uid=1_1 generic live=\"polite\" relevant=\"additions text\"\n  uid=1_2 link \"Jump to content\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#bodyContent\"\n    uid=1_3 StaticText \"Jump to content\"\n  uid=1_4 banner\n    uid=1_5 navigation \"Site\"\n      uid=1_6 button \"Main menu\" haspopup=\"menu\"\n    uid=1_7 link \"Wikipedia The Free Encyclopedia\" url=\"https://en.wikipedia.org/wiki/Main_Page\"\n      uid=1_8 image \"Wikipedia\" url=\"https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en-25.svg\"\n      uid=1_9 image \"The Free Encyclopedia\" url=\"https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en-25.svg\"\n    uid=1_10 search\n      uid=1_11 searchbox \"Search Wikipedia\" description=\"Search Wikipedia [ctrl-option-f]\" keyshortcuts=\"Ctrl+Alt+f\"\n      uid=1_12 button \"Search\"\n    uid=1_13 navigation \"Personal tools\"\n      uid=1_14 link \"Donate\" url=\"https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&uselang=en\"\n        uid=1_15 StaticText \"Donate\"\n      uid=1_16 link \"Create account\" description=\"You are encouraged to create an account and log in; however, it is not mandatory\" url=\"https://en.wikipedia.org/w/index.php?title=Special:CreateAccount&returnto=Rust+%28programming+language%29\"\n        uid=1_17 StaticText \"Create account\"\n      uid=1_18 link \"Log in\" description=\"You're encouraged to log in; however, it's not mandatory. [ctrl-option-o]\" keyshortcuts=\"Ctrl+Alt+o\" url=\"https://en.wikipedia.org/w/index.php?title=Special:UserLogin&returnto=Rust+%28programming+language%29\"\n        uid=1_19 StaticText \"Log in\"\n  uid=1_20 navigation \"Contents\"\n    uid=1_21 heading \"Contents\" level=\"2\"\n    uid=1_22 button \"hide\"\n    uid=1_23 link \"(Top)\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#\"\n      uid=1_24 StaticText \"(Top)\"\n    uid=1_25 link \"History\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#History\"\n      uid=1_26 StaticText \"History\"\n    uid=1_27 button \"Toggle History subsection\" expandable\n    uid=1_28 link \"Syntax and features\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Syntax_and_features\"\n      uid=1_29 StaticText \"Syntax and features\"\n    uid=1_30 button \"Toggle Syntax and features subsection\" expandable\n    uid=1_31 link \"Safety\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Safety\"\n      uid=1_32 StaticText \"Safety\"\n    uid=1_33 link \"Ecosystem\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Ecosystem\"\n      uid=1_34 StaticText \"Ecosystem\"\n    uid=1_35 button \"Toggle Ecosystem subsection\" expandable\n    uid=1_36 link \"Performance\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Performance\"\n      uid=1_37 StaticText \"Performance\"\n    uid=1_38 link \"Adoption\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Adoption\"\n      uid=1_39 StaticText \"Adoption\"\n    uid=1_40 link \"In academic research\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#In_academic_research\"\n      uid=1_41 StaticText \"In academic research\"\n    uid=1_42 link \"Community\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Community\"\n      uid=1_43 StaticText \"Community\"\n    uid=1_44 button \"Toggle Community subsection\" expandable\n    uid=1_45 link \"See also\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#See_also\"\n      uid=1_46 StaticText \"See also\"\n    uid=1_47 link \"Notes\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Notes\"\n      uid=1_48 StaticText \"Notes\"\n    uid=1_49 link \"References\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#References\"\n      uid=1_50 StaticText \"References\"\n    uid=1_51 button \"Toggle References subsection\" expandable\n    uid=1_52 link \"External links\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#External_links\"\n      uid=1_53 StaticText \"External links\"\n  uid=1_54 main\n    uid=1_55 heading \"Rust (programming language)\" level=\"1\"\n    uid=1_56 button \"Go to an article in another language. Available in 53 languages\" haspopup=\"menu\"\n    uid=1_57 navigation \"Namespaces\"\n      uid=1_58 link \"Article\" description=\"View the content page [ctrl-option-c]\" keyshortcuts=\"Ctrl+Alt+c\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n        uid=1_59 StaticText \"Article\"\n      uid=1_60 link \"Talk\" description=\"Discuss improvements to the content page [ctrl-option-t]\" keyshortcuts=\"Ctrl+Alt+t\" url=\"https://en.wikipedia.org/wiki/Talk:Rust_(programming_language)\"\n        uid=1_61 StaticText \"Talk\"\n    uid=1_62 navigation \"Views\"\n      uid=1_63 link \"Read\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n        uid=1_64 StaticText \"Read\"\n      uid=1_65 link \"Edit\" description=\"Edit this page [ctrl-option-e]\" keyshortcuts=\"Ctrl+Alt+e\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=edit\"\n        uid=1_66 StaticText \"Edit\"\n      uid=1_67 link \"View history\" description=\"Past revisions of this page [ctrl-option-h]\" keyshortcuts=\"Ctrl+Alt+h\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=history\"\n        uid=1_68 StaticText \"View history\"\n    uid=1_69 navigation \"Page tools\"\n      uid=1_70 button \"Tools\" haspopup=\"menu\"\n    uid=1_71 navigation \"Appearance\"\n      uid=1_72 StaticText \"Appearance\"\n      uid=1_73 button \"hide\"\n      uid=1_74 StaticText \"Birthday mode (Baby Globe)\"\n      uid=1_75 radio \"Disabled\"\n      uid=1_76 StaticText \"Disabled\"\n      uid=1_77 radio \"Enabled\" checked\n      uid=1_78 StaticText \"Enabled\"\n      uid=1_79 link \"Learn more about Birthday mode\" url=\"https://wikimediafoundation.org/wikipedia25/wikipedia-mascot/?utm_campaign=wpam&utm_source=wpam&utm_medium=wpamen\"\n        uid=1_80 StaticText \"Learn more about Birthday mode\"\n      uid=1_81 StaticText \"Text\"\n      uid=1_82 radio \"Small\"\n      uid=1_83 StaticText \"Small\"\n      uid=1_84 radio \"Standard\" checked\n      uid=1_85 StaticText \"Standard\"\n      uid=1_86 radio \"Large\"\n      uid=1_87 StaticText \"Large\"\n      uid=1_88 StaticText \"Width\"\n      uid=1_89 radio \"Standard\" checked\n      uid=1_90 StaticText \"Standard\"\n      uid=1_91 radio \"Wide\"\n      uid=1_92 StaticText \"Wide\"\n      uid=1_93 StaticText \"Color \"\n      uid=1_94 StaticText \"(beta)\"\n      uid=1_95 radio \"Automatic\"\n      uid=1_96 StaticText \"Automatic\"\n      uid=1_97 radio \"Light\" checked\n      uid=1_98 StaticText \"Light\"\n      uid=1_99 radio \"Dark\"\n      uid=1_100 StaticText \"Dark\"\n    uid=1_101 link \"This is a good article. Click here for more information.\" description=\"This is a good article. Click here for more information.\" url=\"https://en.wikipedia.org/wiki/Wikipedia:Good_articles*\"\n      uid=1_102 image \"This is a good article. Click here for more information.\" url=\"https://upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/20px-Symbol_support_vote.svg.png\"\n    uid=1_103 StaticText \"From Wikipedia, the free encyclopedia\"\n    uid=1_104 StaticText \"Rust\"\n    uid=1_105 link \"Rust logo; a capital letter R set into a sprocket\" url=\"https://en.wikipedia.org/wiki/File:Rust_programming_language_black_logo.svg\"\n      uid=1_106 image \"Rust logo; a capital letter R set into a sprocket\" url=\"https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Rust_programming_language_black_logo.svg/250px-Rust_programming_language_black_logo.svg.png\"\n    uid=1_107 link \"Paradigms\" description=\"Programming paradigm\" url=\"https://en.wikipedia.org/wiki/Programming_paradigm\"\n      uid=1_108 StaticText \"Paradigms\"\n    uid=1_109 link \"Concurrent\" description=\"Concurrent computing\" url=\"https://en.wikipedia.org/wiki/Concurrent_computing\"\n      uid=1_110 StaticText \"Concurrent\"\n    uid=1_111 StaticText \",\"\n    uid=1_112 link \"functional\" description=\"Functional programming\" url=\"https://en.wikipedia.org/wiki/Functional_programming\"\n      uid=1_113 StaticText \"functional\"\n    uid=1_111 StaticText \",\"\n    uid=1_114 link \"generic\" description=\"Generic programming\" url=\"https://en.wikipedia.org/wiki/Generic_programming\"\n      uid=1_115 StaticText \"generic\"\n    uid=1_111 StaticText \",\"\n    uid=1_116 link \"imperative\" description=\"Imperative programming\" url=\"https://en.wikipedia.org/wiki/Imperative_programming\"\n      uid=1_117 StaticText \"imperative\"\n    uid=1_111 StaticText \",\"\n    uid=1_118 link \"structured\" description=\"Structured programming\" url=\"https://en.wikipedia.org/wiki/Structured_programming\"\n      uid=1_119 StaticText \"structured\"\n    uid=1_120 link \"Developer\" description=\"Software developer\" url=\"https://en.wikipedia.org/wiki/Software_developer\"\n      uid=1_121 StaticText \"Developer\"\n    uid=1_122 StaticText \"The Rust Team\"\n    uid=1_123 StaticText \"First appeared\"\n    uid=1_124 StaticText \"January 19, 2012\"\n    uid=1_125 StaticText \"; 14 years ago\"\n    uid=1_126 link \"Stable release\" description=\"Software release life cycle\" url=\"https://en.wikipedia.org/wiki/Software_release_life_cycle\"\n      uid=1_127 StaticText \"Stable release\"\n    uid=1_128 StaticText \"1.94.1\"\n    uid=1_129 link \"[1]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-wikidata-0f85b708cd654f4deb1b5af64f12178b19ffeb5e-v20-1\"\n      uid=1_130 StaticText \"[\"\n      uid=1_131 StaticText \"1\"\n      uid=1_132 StaticText \"]\"\n    uid=1_133 StaticText \" \"\n    uid=1_134 link \"Edit this on Wikidata\" description=\"Edit this on Wikidata\" url=\"https://www.wikidata.org/wiki/Q575650?uselang=en#P348\"\n      uid=1_135 image \"Edit this on Wikidata\" url=\"https://upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png\"\n    uid=1_136 StaticText \" / March 26, 2026\"\n    uid=1_137 StaticText \"; 7 days ago\"\n    uid=1_138 link \"Typing discipline\" description=\"Type system\" url=\"https://en.wikipedia.org/wiki/Type_system\"\n      uid=1_139 StaticText \"Typing discipline\"\n    uid=1_140 link \"Affine\" description=\"Affine type system\" url=\"https://en.wikipedia.org/wiki/Affine_type_system\"\n      uid=1_141 StaticText \"Affine\"\n    uid=1_111 StaticText \",\"\n    uid=1_142 link \"inferred\" description=\"Type inference\" url=\"https://en.wikipedia.org/wiki/Type_inference\"\n      uid=1_143 StaticText \"inferred\"\n    uid=1_111 StaticText \",\"\n    uid=1_144 link \"nominal\" description=\"Nominal type system\" url=\"https://en.wikipedia.org/wiki/Nominal_type_system\"\n      uid=1_145 StaticText \"nominal\"\n    uid=1_111 StaticText \",\"\n    uid=1_146 link \"static\" description=\"Static typing\" url=\"https://en.wikipedia.org/wiki/Static_typing\"\n      uid=1_147 StaticText \"static\"\n    uid=1_111 StaticText \",\"\n    uid=1_148 link \"strong\" description=\"Strong and weak typing\" url=\"https://en.wikipedia.org/wiki/Strong_and_weak_typing\"\n      uid=1_149 StaticText \"strong\"\n    uid=1_150 StaticText \"Implementation language\"\n    uid=1_151 link \"OCaml\" url=\"https://en.wikipedia.org/wiki/OCaml\"\n      uid=1_152 StaticText \"OCaml\"\n    uid=1_153 StaticText \" (2006–2011)\"\n    uid=1_154 LineBreak \"\n\"\n    uid=1_155 StaticText \"Rust (2012–present)\"\n    uid=1_156 link \"Platform\" description=\"Computing platform\" url=\"https://en.wikipedia.org/wiki/Computing_platform\"\n      uid=1_157 StaticText \"Platform\"\n    uid=1_158 link \"Cross-platform\" description=\"Cross-platform software\" url=\"https://en.wikipedia.org/wiki/Cross-platform_software\"\n      uid=1_159 StaticText \"Cross-platform\"\n    uid=1_160 link \"[note 1]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-3\"\n      uid=1_161 StaticText \"[\"\n      uid=1_162 StaticText \"note 1\"\n      uid=1_163 StaticText \"]\"\n    uid=1_164 link \"OS\" description=\"Operating system\" url=\"https://en.wikipedia.org/wiki/Operating_system\"\n      uid=1_165 StaticText \"OS\"\n    uid=1_166 link \"Cross-platform\" description=\"Cross-platform software\" url=\"https://en.wikipedia.org/wiki/Cross-platform_software\"\n      uid=1_167 StaticText \"Cross-platform\"\n    uid=1_168 link \"[note 2]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-4\"\n      uid=1_169 StaticText \"[\"\n      uid=1_170 StaticText \"note 2\"\n      uid=1_171 StaticText \"]\"\n    uid=1_172 link \"License\" description=\"Software license\" url=\"https://en.wikipedia.org/wiki/Software_license\"\n      uid=1_173 StaticText \"License\"\n    uid=1_174 link \"MIT\" description=\"MIT License\" url=\"https://en.wikipedia.org/wiki/MIT_License\"\n      uid=1_175 StaticText \"MIT\"\n    uid=1_176 StaticText \", \"\n    uid=1_177 link \"Apache 2.0\" description=\"Apache License\" url=\"https://en.wikipedia.org/wiki/Apache_License\"\n      uid=1_178 StaticText \"Apache 2.0\"\n    uid=1_179 link \"[note 3]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-7\"\n      uid=1_180 StaticText \"[\"\n      uid=1_181 StaticText \"note 3\"\n      uid=1_182 StaticText \"]\"\n    uid=1_183 link \"Filename extensions\" description=\"Filename extension\" url=\"https://en.wikipedia.org/wiki/Filename_extension\"\n      uid=1_184 StaticText \"Filename extensions\"\n    uid=1_185 StaticText \".rs\"\n    uid=1_186 StaticText \", \"\n    uid=1_187 StaticText \".rlib\"\n    uid=1_188 StaticText \"Website\"\n    uid=1_189 link \"rust-lang.org\" url=\"https://www.rust-lang.org/\"\n      uid=1_190 StaticText \"rust-lang.org\"\n    uid=1_191 StaticText \"Influenced by\"\n    uid=1_192 link \"Alef\" description=\"Alef (programming language)\" url=\"https://en.wikipedia.org/wiki/Alef_(programming_language)\"\n      uid=1_193 StaticText \"Alef\"\n    uid=1_111 StaticText \",\"\n    uid=1_194 link \"BETA\" description=\"BETA (programming language)\" url=\"https://en.wikipedia.org/wiki/BETA_(programming_language)\"\n      uid=1_195 StaticText \"BETA\"\n    uid=1_111 StaticText \",\"\n    uid=1_196 link \"CLU\" description=\"CLU (programming language)\" url=\"https://en.wikipedia.org/wiki/CLU_(programming_language)\"\n      uid=1_197 StaticText \"CLU\"\n    uid=1_111 StaticText \",\"\n    uid=1_198 link \"C#\" description=\"C Sharp (programming language)\" url=\"https://en.wikipedia.org/wiki/C_Sharp_(programming_language)\"\n      uid=1_199 StaticText \"C#\"\n    uid=1_111 StaticText \",\"\n    uid=1_200 link \"C++\" url=\"https://en.wikipedia.org/wiki/C%2B%2B\"\n      uid=1_201 StaticText \"C++\"\n    uid=1_111 StaticText \",\"\n    uid=1_202 link \"Cyclone\" description=\"Cyclone (programming language)\" url=\"https://en.wikipedia.org/wiki/Cyclone_(programming_language)\"\n      uid=1_203 StaticText \"Cyclone\"\n    uid=1_111 StaticText \",\"\n    uid=1_204 link \"Elm\" description=\"Elm (programming language)\" url=\"https://en.wikipedia.org/wiki/Elm_(programming_language)\"\n      uid=1_205 StaticText \"Elm\"\n    uid=1_111 StaticText \",\"\n    uid=1_206 link \"Erlang\" description=\"Erlang (programming language)\" url=\"https://en.wikipedia.org/wiki/Erlang_(programming_language)\"\n      uid=1_207 StaticText \"Erlang\"\n    uid=1_111 StaticText \",\"\n    uid=1_208 link \"Haskell\" url=\"https://en.wikipedia.org/wiki/Haskell\"\n      uid=1_209 StaticText \"Haskell\"\n    uid=1_111 StaticText \",\"\n    uid=1_210 link \"Hermes\" description=\"Hermes (programming language)\" url=\"https://en.wikipedia.org/wiki/Hermes_(programming_language)\"\n      uid=1_211 StaticText \"Hermes\"\n    uid=1_111 StaticText \",\"\n    uid=1_212 link \"Limbo\" description=\"Limbo (programming language)\" url=\"https://en.wikipedia.org/wiki/Limbo_(programming_language)\"\n      uid=1_213 StaticText \"Limbo\"\n    uid=1_111 StaticText \",\"\n    uid=1_214 link \"Mesa\" description=\"Mesa (programming language)\" url=\"https://en.wikipedia.org/wiki/Mesa_(programming_language)\"\n      uid=1_215 StaticText \"Mesa\"\n    uid=1_111 StaticText \",\"\n    uid=1_216 link \"Napier\" description=\"Napier88\" url=\"https://en.wikipedia.org/wiki/Napier88\"\n      uid=1_217 StaticText \"Napier\"\n    uid=1_111 StaticText \",\"\n    uid=1_218 link \"Newsqueak\" url=\"https://en.wikipedia.org/wiki/Newsqueak\"\n      uid=1_219 StaticText \"Newsqueak\"\n    uid=1_111 StaticText \",\"\n    uid=1_220 link \"NIL\" description=\"Typestate analysis\" url=\"https://en.wikipedia.org/wiki/Typestate_analysis\"\n      uid=1_221 StaticText \"NIL\"\n    uid=1_222 link \"[note 4]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-nil-10\"\n      uid=1_223 StaticText \"[\"\n      uid=1_224 StaticText \"note 4\"\n      uid=1_225 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_226 link \"OCaml\" url=\"https://en.wikipedia.org/wiki/OCaml\"\n      uid=1_227 StaticText \"OCaml\"\n    uid=1_111 StaticText \",\"\n    uid=1_228 link \"Ruby\" description=\"Ruby (programming language)\" url=\"https://en.wikipedia.org/wiki/Ruby_(programming_language)\"\n      uid=1_229 StaticText \"Ruby\"\n    uid=1_111 StaticText \",\"\n    uid=1_230 link \"Sather\" url=\"https://en.wikipedia.org/wiki/Sather\"\n      uid=1_231 StaticText \"Sather\"\n    uid=1_111 StaticText \",\"\n    uid=1_232 link \"Scheme\" description=\"Scheme (programming language)\" url=\"https://en.wikipedia.org/wiki/Scheme_(programming_language)\"\n      uid=1_233 StaticText \"Scheme\"\n    uid=1_111 StaticText \",\"\n    uid=1_234 link \"Standard ML\" url=\"https://en.wikipedia.org/wiki/Standard_ML\"\n      uid=1_235 StaticText \"Standard ML\"\n    uid=1_111 StaticText \",\"\n    uid=1_236 link \"Swift\" description=\"Swift (programming language)\" url=\"https://en.wikipedia.org/wiki/Swift_(programming_language)\"\n      uid=1_237 StaticText \"Swift\"\n    uid=1_238 link \"[7]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-11\"\n      uid=1_239 StaticText \"[\"\n      uid=1_240 StaticText \"7\"\n      uid=1_241 StaticText \"]\"\n    uid=1_242 link \"[8]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-influences-12\"\n      uid=1_243 StaticText \"[\"\n      uid=1_244 StaticText \"8\"\n      uid=1_245 StaticText \"]\"\n    uid=1_246 StaticText \"Influenced\"\n    uid=1_247 link \"Idris\" description=\"Idris (programming language)\" url=\"https://en.wikipedia.org/wiki/Idris_(programming_language)\"\n      uid=1_248 StaticText \"Idris\"\n    uid=1_249 link \"[9]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-13\"\n      uid=1_250 StaticText \"[\"\n      uid=1_251 StaticText \"9\"\n      uid=1_252 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_253 link \"Project Verona\" url=\"https://en.wikipedia.org/wiki/Project_Verona\"\n      uid=1_254 StaticText \"Project Verona\"\n    uid=1_255 link \"[10]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-Project_Verona-14\"\n      uid=1_256 StaticText \"[\"\n      uid=1_257 StaticText \"10\"\n      uid=1_258 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_259 link \"SPARK\" description=\"SPARK (programming language)\" url=\"https://en.wikipedia.org/wiki/SPARK_(programming_language)\"\n      uid=1_260 StaticText \"SPARK\"\n    uid=1_261 link \"[11]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-Jaloyan-15\"\n      uid=1_262 StaticText \"[\"\n      uid=1_263 StaticText \"11\"\n      uid=1_264 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_265 link \"Swift\" description=\"Swift (programming language)\" url=\"https://en.wikipedia.org/wiki/Swift_(programming_language)\"\n      uid=1_266 StaticText \"Swift\"\n    uid=1_267 link \"[12]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-Lattner-16\"\n      uid=1_268 StaticText \"[\"\n      uid=1_269 StaticText \"12\"\n      uid=1_270 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_271 link \"V\" description=\"V (programming language)\" url=\"https://en.wikipedia.org/wiki/V_(programming_language)\"\n      uid=1_272 StaticText \"V\"\n    uid=1_273 link \"[13]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-17\"\n      uid=1_274 StaticText \"[\"\n      uid=1_275 StaticText \"13\"\n      uid=1_276 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_277 link \"Zig\" description=\"Zig (programming language)\" url=\"https://en.wikipedia.org/wiki/Zig_(programming_language)\"\n      uid=1_278 StaticText \"Zig\"\n    uid=1_279 link \"[14]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-18\"\n      uid=1_280 StaticText \"[\"\n      uid=1_281 StaticText \"14\"\n      uid=1_282 StaticText \"]\"\n    uid=1_111 StaticText \",\"\n    uid=1_283 link \"Gleam\" description=\"Gleam (programming language)\" url=\"https://en.wikipedia.org/wiki/Gleam_(programming_language)\"\n      uid=1_284 StaticText \"Gleam\"\n    uid=1_285 link \"[15]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-Gleam-19\"\n      uid=1_286 StaticText \"[\"\n      uid=1_287 StaticText \"15\"\n      uid=1_288 StaticText \"]\"\n    uid=1_289 StaticText \"Rust\"\n    uid=1_290 StaticText \" is a \"\n    uid=1_291 link \"general-purpose\" description=\"General-purpose programming language\" url=\"https://en.wikipedia.org/wiki/General-purpose_programming_language\"\n      uid=1_292 StaticText \"general-purpose\"\n    uid=1_293 StaticText \" \"\n    uid=1_294 link \"programming language\" description=\"Programming language\" url=\"https://en.wikipedia.org/wiki/Programming_language\"\n      uid=1_295 StaticText \"programming language\"\n    uid=1_296 StaticText \". It is noted for its emphasis on \"\n    uid=1_297 link \"performance\" description=\"Computer performance\" url=\"https://en.wikipedia.org/wiki/Computer_performance\"\n      uid=1_298 StaticText \"performance\"\n    uid=1_299 StaticText \", \"\n    uid=1_300 link \"type safety\" description=\"Type safety\" url=\"https://en.wikipedia.org/wiki/Type_safety\"\n      uid=1_301 StaticText \"type safety\"\n    uid=1_302 StaticText \", \"\n    uid=1_303 link \"concurrency\" description=\"Concurrency (computer science)\" url=\"https://en.wikipedia.org/wiki/Concurrency_(computer_science)\"\n      uid=1_304 StaticText \"concurrency\"\n    uid=1_305 StaticText \", and \"\n    uid=1_306 link \"memory safety\" description=\"Memory safety\" url=\"https://en.wikipedia.org/wiki/Memory_safety\"\n      uid=1_307 StaticText \"memory safety\"\n    uid=1_308 StaticText \".\"\n    uid=1_309 StaticText \"Rust supports multiple \"\n    uid=1_310 link \"programming paradigms\" description=\"Programming paradigm\" url=\"https://en.wikipedia.org/wiki/Programming_paradigm\"\n      uid=1_311 StaticText \"programming paradigms\"\n    uid=1_312 StaticText \". It was influenced by ideas from \"\n    uid=1_313 link \"functional programming\" description=\"Functional programming\" url=\"https://en.wikipedia.org/wiki/Functional_programming\"\n      uid=1_314 StaticText \"functional programming\"\n    uid=1_315 StaticText \", including \"\n    uid=1_316 link \"immutability\" description=\"Immutable object\" url=\"https://en.wikipedia.org/wiki/Immutable_object\"\n      uid=1_317 StaticText \"immutability\"\n    uid=1_318 StaticText \", \"\n    uid=1_319 link \"higher-order functions\" description=\"Higher-order function\" url=\"https://en.wikipedia.org/wiki/Higher-order_function\"\n      uid=1_320 StaticText \"higher-order functions\"\n    uid=1_321 StaticText \", \"\n    uid=1_322 link \"algebraic data types\" description=\"Algebraic data type\" url=\"https://en.wikipedia.org/wiki/Algebraic_data_type\"\n      uid=1_323 StaticText \"algebraic data types\"\n    uid=1_324 StaticText \", and \"\n    uid=1_325 link \"pattern matching\" description=\"Pattern matching\" url=\"https://en.wikipedia.org/wiki/Pattern_matching\"\n      uid=1_326 StaticText \"pattern matching\"\n    uid=1_327 StaticText \". It also supports \"\n    uid=1_328 link \"object-oriented programming\" description=\"Object-oriented programming\" url=\"https://en.wikipedia.org/wiki/Object-oriented_programming\"\n      uid=1_329 StaticText \"object-oriented programming\"\n    uid=1_330 StaticText \" via structs, \"\n    uid=1_331 link \"enums\" description=\"Union type\" url=\"https://en.wikipedia.org/wiki/Union_type\"\n      uid=1_332 StaticText \"enums\"\n    uid=1_333 StaticText \", traits, and methods. Rust is noted for enforcing memory safety (i.e., that all \"\n    uid=1_334 link \"references\" description=\"Reference (computer science)\" url=\"https://en.wikipedia.org/wiki/Reference_(computer_science)\"\n      uid=1_335 StaticText \"references\"\n    uid=1_336 StaticText \" point to valid memory) without a conventional \"\n    uid=1_337 link \"garbage collector\" description=\"Garbage collection (computer science)\" url=\"https://en.wikipedia.org/wiki/Garbage_collection_(computer_science)\"\n      uid=1_338 StaticText \"garbage collector\"\n    uid=1_339 StaticText \"; instead, memory safety errors and \"\n    uid=1_340 link \"data races\" description=\"Data race\" url=\"https://en.wikipedia.org/wiki/Data_race\"\n      uid=1_341 StaticText \"data races\"\n    uid=1_342 StaticText \" are prevented by the \"borrow checker\", which tracks the \"\n    uid=1_343 link \"object lifetime\" description=\"Object lifetime\" url=\"https://en.wikipedia.org/wiki/Object_lifetime\"\n      uid=1_344 StaticText \"object lifetime\"\n    uid=1_345 StaticText \" of references \"\n    uid=1_346 link \"at compile time\" description=\"Compiler\" url=\"https://en.wikipedia.org/wiki/Compiler\"\n      uid=1_347 StaticText \"at compile time\"\n    uid=1_348 StaticText \".\"\n    uid=1_349 StaticText \"Software developer Graydon Hoare created Rust in 2006 while working at \"\n    uid=1_350 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n      uid=1_351 StaticText \"Mozilla\"\n    uid=1_352 StaticText \", which officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015. Following a layoff of Mozilla employees in August 2020, four other companies joined Mozilla in sponsoring Rust through the creation of the \"\n    uid=1_353 link \"Rust Foundation\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Rust_Foundation\"\n      uid=1_354 StaticText \"Rust Foundation\"\n    uid=1_355 StaticText \" in February 2021.\"\n    uid=1_356 StaticText \"Rust has been adopted by many software projects, especially \"\n    uid=1_357 link \"web services\" description=\"Web service\" url=\"https://en.wikipedia.org/wiki/Web_service\"\n      uid=1_358 StaticText \"web services\"\n    uid=1_359 StaticText \" and \"\n    uid=1_360 link \"system software\" description=\"System software\" url=\"https://en.wikipedia.org/wiki/System_software\"\n      uid=1_361 StaticText \"system software\"\n    uid=1_362 StaticText \". It has been studied academically and has a growing community of developers.\"\n    uid=1_363 heading \"History\" level=\"2\"\n    uid=1_111 StaticText \"​\"\n    uid=1_364 StaticText \"[\"\n    uid=1_365 link \"edit\" description=\"Edit section: History\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=edit&section=1\"\n      uid=1_366 StaticText \"edit\"\n    uid=1_367 StaticText \"]\"\n    uid=1_368 heading \"2006–2009: Early years\" level=\"3\"\n    uid=1_111 StaticText \"​\"\n    uid=1_369 StaticText \"[\"\n    uid=1_370 link \"edit\" description=\"Edit section: 2006–2009: Early years\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=edit&section=2\"\n      uid=1_371 StaticText \"edit\"\n    uid=1_372 StaticText \"]\"\n    uid=1_373 link url=\"https://en.wikipedia.org/wiki/File:MozillaCaliforniaHeadquarters.JPG\"\n    uid=1_374 StaticText \"Mozilla Foundation headquarters, 650 Castro Street in \"\n    uid=1_375 link \"Mountain View, California\" url=\"https://en.wikipedia.org/wiki/Mountain_View,_California\"\n      uid=1_376 StaticText \"Mountain View, California\"\n    uid=1_377 StaticText \", June 2009\"\n    uid=1_378 StaticText \"Rust began as a personal project by \"\n    uid=1_379 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n      uid=1_380 StaticText \"Mozilla\"\n    uid=1_381 StaticText \" employee Graydon Hoare in 2006. According to \"\n    uid=1_382 StaticText \"MIT Technology Review\"\n    uid=1_383 StaticText \", he started the project due to his frustration with a broken elevator in his apartment building whose software had crashed,\"\n    uid=1_384 link \"[16]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-MITTechReview-20\"\n      uid=1_385 StaticText \"[\"\n      uid=1_386 StaticText \"16\"\n      uid=1_387 StaticText \"]\"\n    uid=1_388 StaticText \" and named the language after the \"\n    uid=1_389 link \"group of fungi of the same name\" description=\"Rust (fungus)\" url=\"https://en.wikipedia.org/wiki/Rust_(fungus)\"\n      uid=1_390 StaticText \"group of fungi of the same name\"\n    uid=1_391 StaticText \" that is \"over-engineered for survival\".\"\n    uid=1_392 link \"[16]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-MITTechReview-20\"\n      uid=1_393 StaticText \"[\"\n      uid=1_394 StaticText \"16\"\n      uid=1_395 StaticText \"]\"\n    uid=1_396 StaticText \" During the time period between 2006 and 2009, Rust was not publicized to others at Mozilla and was written in Hoare's free time;\"\n    uid=1_397 link \"[17]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-Klabnik2016ACMHistory-21\"\n      uid=1_398 StaticText \"[\"\n      uid=1_399 StaticText \"17\"\n      uid=1_400 StaticText \"]\"\n    uid=1_401 StaticText \": 7:50 \"\n    uid=1_402 StaticText \" Hoare began speaking about the language around 2009 after a small group at Mozilla became interested in the project.\"\n    uid=1_403 link \"[18]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-Hoare2010-22\"\n      uid=1_404 StaticText \"[\"\n      uid=1_405 StaticText \"18\"\n      uid=1_406 StaticText \"]\"\n    uid=1_407 StaticText \" Hoare cited languages from the 1970s, 1980s, and 1990s as influences — including \"\n    uid=1_408 link \"CLU\" description=\"CLU (programming language)\" url=\"https://en.wikipedia.org/wiki/CLU_(programming_language)\"\n      uid=1_409 StaticText \"CLU\"\n    uid=1_410 StaticText \", \"\n    uid=1_411 link \"BETA\" description=\"BETA (programming language)\" url=\"https://en.wikipedia.org/wiki/BETA_(programming_language)\"\n      uid=1_412 StaticText \"BETA\"\n    uid=1_413 StaticText \", \"\n    uid=1_414 link \"Mesa\" description=\"Mesa (programming language)\" url=\"https://en.wikipedia.org/wiki/Mesa_(programming_language)\"\n      uid=1_415 StaticText \"Mesa\"\n    uid=1_416 StaticText \", NIL,\"\n    uid=1_417 link \"[note 4]\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#cite_note-nil-10\"\n      uid=1_418 StaticTex","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false,"persistedOutputPath":"/Users/kunchen/.claude/projects/-Users-kunchen-github-kunchenguid-axi-bench-browser-results-chrome-devtools-mcp-compressed-cli-multi-site-research-run2-workspace/879642c5-3133-4bd9-955a-09a726dbcb5c/tool-results/b9lumt4lw.txt","persistedOutputSize":545861}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013Sd5ZFWoZZ48mdv7cr7Paj","type":"tool_result","content":"Script ran on page and returned:\n```json\n\"not found\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"17b0da65-b91c-400b-b1a4-6410d36ba516","timestamp":"2026-04-03T08:56:05.095Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n\"not found\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01S9LzqPBjPtb5mLcFfC2PvR","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01RQz3ALeMBGqFeGg5jauB1v","name":"Bash","input":{"command":"chrome-devtools evaluate-script --function \"() => { const infobox = document.querySelector('.infobox'); if (infobox) { const rows = infobox.querySelectorAll('tr'); return Array.from(rows).map(r => r.textContent.trim()).filter(t => t).slice(0, 20).join('\\n'); } return 'no infobox'; }\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":195,"cache_read_input_tokens":17574,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":195},"output_tokens":72,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"2bc520db-76c0-4fd0-bbd4-3739297fb3bc"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RQz3ALeMBGqFeGg5jauB1v","type":"tool_result","content":"Script ran on page and returned:\n```json\n\"Rust\\nParadigms.mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-output ul.andlistoxford{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output ul.cslist-embedded{display:inline}.mw-parser-output .cslist li,.mw-parser-output .sslist li,.mw-parser-output .andlist li,.mw-parser-output .andlistoxford li{margin:0;padding:0 0.25em 0 0;display:inline-block}.mw-parser-output .cslist li:after,.mw-parser-output .andlistoxford li:after{content:\\\", \\\"}.mw-parser-output .sslist li:after{content:\\\"; \\\"}.mw-parser-output .cslist li:last-child:after,.mw-parser-output .sslist li:last-child:after,.mw-parser-output .andlist li:last-child:after,.mw-parser-output .andlistoxford li:last-child:after{content:none}.mw-parser-output .andlist li:nth-last-child(2):after{content:\\\" and \\\"}.mw-parser-output .andlistoxford li:nth-last-child(2):after{content:\\\", and \\\"}Concurrentfunctionalgenericimperativestructured\\nDeveloperThe Rust Team\\nFirst appearedJanuary 19, 2012; 14 years ago (2012-01-19)\\nStable release1.94.1[1] \\n   / March 26, 2026; 7 days ago (March 26, 2026)\\nTyping disciplineAffineinferrednominalstaticstrong\\nImplementation languageOCaml (2006–2011)Rust (2012–present)\\nPlatformCross-platform[note 1]\\nOSCross-platform[note 2]\\nLicenseMIT, Apache 2.0[note 3]\\nFilename extensions.rs, .rlib\\nWebsiterust-lang.org\\nInfluenced by\\nAlefBETACLUC#C++CycloneElmErlangHaskellHermesLimboMesaNapierNewsqueakNIL[note 4]OCamlRubySatherSchemeStandard MLSwift[7][8]\\nInfluenced\\nIdris[9]Project Verona[10]SPARK[11]Swift[12]V[13]Zig[14]Gleam[15]\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"3b301c05-5074-4886-abd8-90d478b18037","timestamp":"2026-04-03T08:56:08.231Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n\"Rust\\nParadigms.mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-output ul.andlistoxford{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output ul.cslist-embedded{display:inline}.mw-parser-output .cslist li,.mw-parser-output .sslist li,.mw-parser-output .andlist li,.mw-parser-output .andlistoxford li{margin:0;padding:0 0.25em 0 0;display:inline-block}.mw-parser-output .cslist li:after,.mw-parser-output .andlistoxford li:after{content:\\\", \\\"}.mw-parser-output .sslist li:after{content:\\\"; \\\"}.mw-parser-output .cslist li:last-child:after,.mw-parser-output .sslist li:last-child:after,.mw-parser-output .andlist li:last-child:after,.mw-parser-output .andlistoxford li:last-child:after{content:none}.mw-parser-output .andlist li:nth-last-child(2):after{content:\\\" and \\\"}.mw-parser-output .andlistoxford li:nth-last-child(2):after{content:\\\", and \\\"}Concurrentfunctionalgenericimperativestructured\\nDeveloperThe Rust Team\\nFirst appearedJanuary 19, 2012; 14 years ago (2012-01-19)\\nStable release1.94.1[1] \\n   / March 26, 2026; 7 days ago (March 26, 2026)\\nTyping disciplineAffineinferrednominalstaticstrong\\nImplementation languageOCaml (2006–2011)Rust (2012–present)\\nPlatformCross-platform[note 1]\\nOSCross-platform[note 2]\\nLicenseMIT, Apache 2.0[note 3]\\nFilename extensions.rs, .rlib\\nWebsiterust-lang.org\\nInfluenced by\\nAlefBETACLUC#C++CycloneElmErlangHaskellHermesLimboMesaNapierNewsqueakNIL[note 4]OCamlRubySatherSchemeStandard MLSwift[7][8]\\nInfluenced\\nIdris[9]Project Verona[10]SPARK[11]Swift[12]V[13]Zig[14]Gleam[15]\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_011upD1jEz6c3RxPxKCjHMCm","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The Wikipedia infobox shows \"Developer: The Rust Team\" but I need to find who designed it originally. Let me look for the designer specifically. I noticed the infobox doesn't have a \"Designed by\" field visible. Let me search for that in the page content.","signature":"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"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":819,"cache_read_input_tokens":17769,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":819},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"ac5c7ceb-df0a-49be-9458-9b9aa79c25df"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_011upD1jEz6c3RxPxKCjHMCm","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01LH6Rqz9YBB3Pf2jpd4VZAr","name":"Bash","input":{"command":"chrome-devtools evaluate-script --function \"() => { const infobox = document.querySelector('.infobox'); if (infobox) { const rows = infobox.querySelectorAll('tr'); return Array.from(rows).map(r => ({th: r.querySelector('th')?.textContent?.trim(), td: r.querySelector('td')?.textContent?.trim()})).filter(r => r.th).slice(0, 15); } return []; }\" 2>/dev/null | head -60"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":819,"cache_read_input_tokens":17769,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":819},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"c9a4cd59-a78e-41f6-a121-072df1cf399e"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01LH6Rqz9YBB3Pf2jpd4VZAr","type":"tool_result","content":"Script ran on page and returned:\n```json\n[{\"th\":\"Rust\"},{\"th\":\"Paradigms\",\"td\":\".mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-output ul.andlistoxford{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output ul.cslist-embedded{display:inline}.mw-parser-output .cslist li,.mw-parser-output .sslist li,.mw-parser-output .andlist li,.mw-parser-output .andlistoxford li{margin:0;padding:0 0.25em 0 0;display:inline-block}.mw-parser-output .cslist li:after,.mw-parser-output .andlistoxford li:after{content:\\\", \\\"}.mw-parser-output .sslist li:after{content:\\\"; \\\"}.mw-parser-output .cslist li:last-child:after,.mw-parser-output .sslist li:last-child:after,.mw-parser-output .andlist li:last-child:after,.mw-parser-output .andlistoxford li:last-child:after{content:none}.mw-parser-output .andlist li:nth-last-child(2):after{content:\\\" and \\\"}.mw-parser-output .andlistoxford li:nth-last-child(2):after{content:\\\", and \\\"}Concurrentfunctionalgenericimperativestructured\"},{\"th\":\"Developer\",\"td\":\"The Rust Team\"},{\"th\":\"First appeared\",\"td\":\"January 19, 2012; 14 years ago (2012-01-19)\"},{\"th\":\"Stable release\",\"td\":\"1.94.1[1] \\n   / March 26, 2026; 7 days ago (March 26, 2026)\"},{\"th\":\"Typing discipline\",\"td\":\"Affineinferrednominalstaticstrong\"},{\"th\":\"Implementation language\",\"td\":\"OCaml (2006–2011)Rust (2012–present)\"},{\"th\":\"Platform\",\"td\":\"Cross-platform[note 1]\"},{\"th\":\"OS\",\"td\":\"Cross-platform[note 2]\"},{\"th\":\"License\",\"td\":\"MIT, Apache 2.0[note 3]\"},{\"th\":\"Filename extensions\",\"td\":\".rs, .rlib\"},{\"th\":\"Website\",\"td\":\"rust-lang.org\"},{\"th\":\"Influenced by\"},{\"th\":\"Influenced\"}]\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"d2f8d9bc-2d6e-4cc4-8eeb-2cb24cb616b9","timestamp":"2026-04-03T08:56:12.633Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n[{\"th\":\"Rust\"},{\"th\":\"Paradigms\",\"td\":\".mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-output ul.andlistoxford{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output ul.cslist-embedded{display:inline}.mw-parser-output .cslist li,.mw-parser-output .sslist li,.mw-parser-output .andlist li,.mw-parser-output .andlistoxford li{margin:0;padding:0 0.25em 0 0;display:inline-block}.mw-parser-output .cslist li:after,.mw-parser-output .andlistoxford li:after{content:\\\", \\\"}.mw-parser-output .sslist li:after{content:\\\"; \\\"}.mw-parser-output .cslist li:last-child:after,.mw-parser-output .sslist li:last-child:after,.mw-parser-output .andlist li:last-child:after,.mw-parser-output .andlistoxford li:last-child:after{content:none}.mw-parser-output .andlist li:nth-last-child(2):after{content:\\\" and \\\"}.mw-parser-output .andlistoxford li:nth-last-child(2):after{content:\\\", and \\\"}Concurrentfunctionalgenericimperativestructured\"},{\"th\":\"Developer\",\"td\":\"The Rust Team\"},{\"th\":\"First appeared\",\"td\":\"January 19, 2012; 14 years ago (2012-01-19)\"},{\"th\":\"Stable release\",\"td\":\"1.94.1[1] \\n   / March 26, 2026; 7 days ago (March 26, 2026)\"},{\"th\":\"Typing discipline\",\"td\":\"Affineinferrednominalstaticstrong\"},{\"th\":\"Implementation language\",\"td\":\"OCaml (2006–2011)Rust (2012–present)\"},{\"th\":\"Platform\",\"td\":\"Cross-platform[note 1]\"},{\"th\":\"OS\",\"td\":\"Cross-platform[note 2]\"},{\"th\":\"License\",\"td\":\"MIT, Apache 2.0[note 3]\"},{\"th\":\"Filename extensions\",\"td\":\".rs, .rlib\"},{\"th\":\"Website\",\"td\":\"rust-lang.org\"},{\"th\":\"Influenced by\"},{\"th\":\"Influenced\"}]\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_017aZN1MwYPghpxSXYfvABh8","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I don't see a \"Designed by\" field directly in the infobox. The infobox shows \"Developer: The Rust Team\". Let me search in the page content for who originally designed Rust.","signature":"EuoCClsIDBgCKkB13z6isVw9o0uzZuvTGFo7T2gtJHlFu+uyo/olyOFHU31eL7VdYVRdUmwSXoLW8hYlDehIAeFj71CQWW2AtVZoMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgwtR/w0kKQ/9xNRZgYaDNnIMrT3EUwRBH9priIwt5giUnjAofp/w8UOOiKotPmtmCdZ8wKazloZOqi/hCfNCPxrJQ8LcCr7p+HTCoAXKrwBuzS4SjNzy3PIMBXov1csrtTD2II0kNeC/yvketOu3mIffuN4lmG36iU7hCWk9xeYOqlTPIaG+1RzW+iYGGkt5h0vKKCaVnZZiSX5cU6+eHraInD/JxB8g9l0cBNBeTw0mEC9JY3aA8hV6O83UeBodo8yJ8YBnK1D2iOzT4xE+yCt1pGQgFb+FW77N0KlpMf8vixb8NVbhJS/BLYQjb5PCHMbZDa/byPJLgMNkPAbMbtm1XTPv/ML2r/7UwUYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":864,"cache_read_input_tokens":18588,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":864},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"f9c0e64e-8c3f-42fd-9154-9a6fd52059f7"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_017aZN1MwYPghpxSXYfvABh8","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01JcnuX5E387Uwop528tWrG9","name":"Bash","input":{"command":"chrome-devtools evaluate-script --function \"() => { const body = document.querySelector('#mw-content-text'); const text = body?.textContent; if (text) { const idx = text.indexOf('Graydon'); if (idx >= 0) return text.slice(Math.max(0, idx-100), idx+200); } return 'not found'; }\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":864,"cache_read_input_tokens":18588,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":864},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"a7e000c9-f4a1-4b1f-a578-05cbac98a27a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01JcnuX5E387Uwop528tWrG9","type":"tool_result","content":"Script ran on page and returned:\n```json\n\"borrow checker\\\", which tracks the object lifetime of references at compile time.\\nSoftware developer Graydon Hoare created Rust in 2006 while working at Mozilla, which officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015. Following a layoff of Mozill\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"b1f5ae2b-4a9d-4319-98a2-43be95ad557c","timestamp":"2026-04-03T08:56:16.422Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n\"borrow checker\\\", which tracks the object lifetime of references at compile time.\\nSoftware developer Graydon Hoare created Rust in 2006 while working at Mozilla, which officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015. Following a layoff of Mozill\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01XMa2e9sGMtRUcYcgLrchgr","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me open the GitHub and rust-lang.org pages in parallel."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":304,"cache_read_input_tokens":19452,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":304},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"0b626c90-f28f-4ec0-8623-cadfd4e75d69"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01XMa2e9sGMtRUcYcgLrchgr","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_018vW7Co9DCQfjeHPu8rrFrP","name":"Bash","input":{"command":"chrome-devtools new-page --url \"https://github.com/rust-lang/rust\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":304,"cache_read_input_tokens":19452,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":304},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"9b52497c-035a-4532-afe6-5f236a77cfc0"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01XMa2e9sGMtRUcYcgLrchgr","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_013hpaD1mzQPk4bWNSp4BgcK","name":"Bash","input":{"command":"chrome-devtools new-page --url \"https://www.rust-lang.org/\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":304,"cache_read_input_tokens":19452,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":304},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"74e6803c-9c73-4467-91c0-1e68e7c207a6"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_018vW7Co9DCQfjeHPu8rrFrP","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"828ac982-f5ff-415e-9fd5-d9d81d1a9843","timestamp":"2026-04-03T08:56:20.861Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013hpaD1mzQPk4bWNSp4BgcK","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"63f25a42-598d-4e76-9928-6e8872858b9e","timestamp":"2026-04-03T08:56:21.340Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01LuGeFBJ1QfQTgSpCiVLRtb","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_012HTMsL2qo6KNinVJgKyxbp","name":"Bash","input":{"command":"chrome-devtools select-page --index 3 && chrome-devtools evaluate-script --function \"() => { const starEl = document.querySelector('#repo-stars-counter-star, [aria-label*='star'], .Counter'); if (starEl) return starEl.getAttribute('title') || starEl.textContent.trim(); const countEls = document.querySelectorAll('[aria-label]'); for (const el of countEls) { const label = el.getAttribute('aria-label'); if (label && label.toLowerCase().includes('star')) return label; } return 'not found'; }\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":306,"cache_read_input_tokens":19756,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":306},"output_tokens":50,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"542ab497-a0f4-46f9-939b-b5f60a21706d"}
{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\nerror: Unknown option: --index\n\nchrome-devtools select-page - Select a page as a context for future tool calls.\n\nUSAGE:\n  chrome-devtools select-page [options]\n\nOPTIONS:\n  --pageId NUMBER     (required) The ID of the page to select. Call list_pages to get available pages.\n  --bringToFront BOOLEAN    (optional) Whether to focus the page and bring it to the top.\n  --quiet                    (optional) Truncate large output to a short preview","is_error":true,"tool_use_id":"toolu_012HTMsL2qo6KNinVJgKyxbp"}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"f420208e-a5e6-4eff-bd67-74025a2f780a","timestamp":"2026-04-03T08:56:26.221Z","tool_use_result":"Error: Exit code 1\nerror: Unknown option: --index\n\nchrome-devtools select-page - Select a page as a context for future tool calls.\n\nUSAGE:\n  chrome-devtools select-page [options]\n\nOPTIONS:\n  --pageId NUMBER     (required) The ID of the page to select. Call list_pages to get available pages.\n  --bringToFront BOOLEAN    (optional) Whether to focus the page and bring it to the top.\n  --quiet                    (optional) Truncate large output to a short preview"}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"<tool_use_error>Cancelled: parallel tool call Bash(chrome-devtools select-page --index 3 &&…) errored</tool_use_error>","is_error":true,"tool_use_id":"toolu_01D9bdKqsWNyzyixdaG653jw"}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"56bbd9a9-7fd2-47f0-bd17-f4d577494e97","timestamp":"2026-04-03T08:56:27.082Z","tool_use_result":"Cancelled: parallel tool call Bash(chrome-devtools select-page --index 3 &&…) errored"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01PSZmsS4ThFBUBBjebFiiT3","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"7a150f28-f514-4af0-8892-b600cbe5c584","timestamp":"2026-04-03T08:56:28.905Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Twmihrtait64qUFj3zzFsA","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01HjH1nEfjvwNf8BrVTXwMmC","name":"Bash","input":{"command":"chrome-devtools select-page --pageId 3 && chrome-devtools evaluate-script --function \"() => { const countEls = document.querySelectorAll('[aria-label]'); for (const el of countEls) { const label = el.getAttribute('aria-label'); if (label && label.toLowerCase().includes('star')) return label; } const starCounter = document.getElementById('repo-stars-counter-star'); if (starCounter) return starCounter.getAttribute('title') || starCounter.textContent.trim(); return document.title; }\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":775,"cache_read_input_tokens":20062,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":775},"output_tokens":66,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"199dd78d-4149-4426-859f-912e5c37ed0a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01HjH1nEfjvwNf8BrVTXwMmC","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]\n4: https://rust-lang.org/\nScript ran on page and returned:\n```json\n\"You must be signed in to star a repository\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"4baadb97-ce99-41bb-b0c8-a7f01d129abc","timestamp":"2026-04-03T08:56:33.098Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]\n4: https://rust-lang.org/\nScript ran on page and returned:\n```json\n\"You must be signed in to star a repository\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Twmihrtait64qUFj3zzFsA","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01QjGcKty7net6oWecxFzWPM","name":"Bash","input":{"command":"chrome-devtools select-page --pageId 4 && chrome-devtools evaluate-script --function \"() => { const h1 = document.querySelector('h1'); const tagline = document.querySelector('.tagline, .hero-tagline, [class*=tagline]'); const firstP = document.querySelector('main p, section p, .hero p'); return { h1: h1?.textContent?.trim(), tagline: tagline?.textContent?.trim(), firstP: firstP?.textContent?.trim(), title: document.title }; }\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":775,"cache_read_input_tokens":20062,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":775},"output_tokens":66,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"1a9bf4fb-f9d4-4c7f-a2e5-3b1a5a089802"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01QjGcKty7net6oWecxFzWPM","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]\nScript ran on page and returned:\n```json\n{\"h1\":\"Rust\",\"firstP\":\"Version 1.94.1\",\"title\":\"Rust Programming Language\"}\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"9c244130-1b9e-4965-8578-08d3944a0711","timestamp":"2026-04-03T08:56:34.684Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]\nScript ran on page and returned:\n```json\n{\"h1\":\"Rust\",\"firstP\":\"Version 1.94.1\",\"title\":\"Rust Programming Language\"}\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01XstUx8d1Hw3bx6rjKz8eaN","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01QyLdmsCr8KAERKfBQAtksE","name":"Bash","input":{"command":"chrome-devtools select-page --pageId 3 && chrome-devtools evaluate-script --function \"() => { const el = document.getElementById('repo-stars-counter-star'); if (el) return { title: el.getAttribute('title'), text: el.textContent.trim() }; const links = Array.from(document.querySelectorAll('a')).filter(a => a.href?.includes('/stargazers')); return links.map(l => ({ text: l.textContent.trim(), href: l.href })); }\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":574,"cache_read_input_tokens":20837,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":574},"output_tokens":58,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"de93bcb1-cfee-4ebe-bb27-ea84af4a58db"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01QyLdmsCr8KAERKfBQAtksE","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]\n4: https://rust-lang.org/\nScript ran on page and returned:\n```json\n{\"title\":\"111,651\",\"text\":\"112k\"}\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"0ab9fc5c-7730-42d4-a708-5454a7dc7a30","timestamp":"2026-04-03T08:56:38.607Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]\n4: https://rust-lang.org/\nScript ran on page and returned:\n```json\n{\"title\":\"111,651\",\"text\":\"112k\"}\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015xB98rXS9LqZk5Egk7YXCY","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]\nScript ran on page and returned:\n```json\n[{\"tag\":\"H1\",\"text\":\"Rust\"},{\"tag\":\"H2\",\"text\":\"A language empowering everyone  to build reliable and efficient software.\"},{\"tag\":\"P\",\"text\":\"Version 1.94.1\"},{\"tag\":\"H2\",\"text\":\"Why Rust?\"},{\"tag\":\"H3\",\"text\":\"Performance\"},{\"tag\":\"P\",\"text\":\"Rust is blazingly fast and memory-efficient: with no runtime or\\ngarbage collector, it can power performance-critical services, run on\\nembedded devices, and easily integrate with other languages.\"},{\"tag\":\"H3\",\"text\":\"Reliability\"},{\"tag\":\"P\",\"text\":\"Rust’s rich type system and ownership model guarantee memory-safety\\nand thread-safety — enabling you to eliminate many classes of\\nbugs at compile-time.\"},{\"tag\":\"H3\",\"text\":\"Productivity\"},{\"tag\":\"P\",\"text\":\"Rust has great documentation, a friendly compiler with useful error\\nmessages, and top-notch tooling — an integrated package manager\\nand build tool, smart multi-editor support with auto-completion and\\ntype inspections, an auto-formatter, and more.\"},{\"tag\":\"H2\",\"text\":\"Build it in Rust\"},{\"tag\":\"P\",\"text\":\"In 2018, the Rust community decided to improve the programming experience\\nfor a few distinct domains (see the 2018\\nroadmap). For these, you can find many high-quality crates and some\\nawesome guides on how to get started.\"},{\"tag\":\"H3\",\"text\":\"Command Line\"},{\"tag\":\"P\",\"text\":\"Whip up a CLI tool quickly with Rust’s robust ecosystem.\\nRust helps you maintain your app with confidence and distribute it with ease.\"},{\"tag\":\"H3\",\"text\":\"WebAssembly\"},{\"tag\":\"P\",\"text\":\"Use Rust to supercharge your JavaScript, one module at a time.\\nPublish to npm, bundle with webpack, and you’re off to the races.\"},{\"tag\":\"H3\",\"text\":\"Networking\"},{\"tag\":\"P\",\"text\":\"Predictable performance. Tiny resource footprint. Rock-solid reliability.\\nRust is great for network services.\"},{\"tag\":\"H3\",\"text\":\"Embedded\"},{\"tag\":\"P\",\"text\":\"Targeting low-resource devices?\\nNeed low-level control without giving up high-level conveniences?\\nRust has you covered.\"}]\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"8fae03f5-9f4d-4e0e-953b-60fe7a87248b","timestamp":"2026-04-03T08:56:39.784Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]\nScript ran on page and returned:\n```json\n[{\"tag\":\"H1\",\"text\":\"Rust\"},{\"tag\":\"H2\",\"text\":\"A language empowering everyone  to build reliable and efficient software.\"},{\"tag\":\"P\",\"text\":\"Version 1.94.1\"},{\"tag\":\"H2\",\"text\":\"Why Rust?\"},{\"tag\":\"H3\",\"text\":\"Performance\"},{\"tag\":\"P\",\"text\":\"Rust is blazingly fast and memory-efficient: with no runtime or\\ngarbage collector, it can power performance-critical services, run on\\nembedded devices, and easily integrate with other languages.\"},{\"tag\":\"H3\",\"text\":\"Reliability\"},{\"tag\":\"P\",\"text\":\"Rust’s rich type system and ownership model guarantee memory-safety\\nand thread-safety — enabling you to eliminate many classes of\\nbugs at compile-time.\"},{\"tag\":\"H3\",\"text\":\"Productivity\"},{\"tag\":\"P\",\"text\":\"Rust has great documentation, a friendly compiler with useful error\\nmessages, and top-notch tooling — an integrated package manager\\nand build tool, smart multi-editor support with auto-completion and\\ntype inspections, an auto-formatter, and more.\"},{\"tag\":\"H2\",\"text\":\"Build it in Rust\"},{\"tag\":\"P\",\"text\":\"In 2018, the Rust community decided to improve the programming experience\\nfor a few distinct domains (see the 2018\\nroadmap). For these, you can find many high-quality crates and some\\nawesome guides on how to get started.\"},{\"tag\":\"H3\",\"text\":\"Command Line\"},{\"tag\":\"P\",\"text\":\"Whip up a CLI tool quickly with Rust’s robust ecosystem.\\nRust helps you maintain your app with confidence and distribute it with ease.\"},{\"tag\":\"H3\",\"text\":\"WebAssembly\"},{\"tag\":\"P\",\"text\":\"Use Rust to supercharge your JavaScript, one module at a time.\\nPublish to npm, bundle with webpack, and you’re off to the races.\"},{\"tag\":\"H3\",\"text\":\"Networking\"},{\"tag\":\"P\",\"text\":\"Predictable performance. Tiny resource footprint. Rock-solid reliability.\\nRust is great for network services.\"},{\"tag\":\"H3\",\"text\":\"Embedded\"},{\"tag\":\"P\",\"text\":\"Targeting low-resource devices?\\nNeed low-level control without giving up high-level conveniences?\\nRust has you covered.\"}]\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01R5DGGxVyHpthkAPZGFSVUC","type":"message","role":"assistant","content":[{"type":"text","text":"Here are the results from all three sites:\n\n---\n\n**1. Wikipedia — Designer**\nRust was created by **Graydon Hoare** in 2006 while working at Mozilla. Mozilla officially sponsored the project starting in 2009.\n\n**2. GitHub (rust-lang/rust) — Star Count**\n**~111,651 stars** (shown as \"112k\" on the page).\n\n**3. rust-lang.org — Tagline**\n> **\"A language empowering everyone to build reliable and efficient software.\"**"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1056,"cache_read_input_tokens":21411,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1056},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","uuid":"66386f29-ba52-478d-951c-46aad23b0656"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":50324,"duration_api_ms":43656,"num_turns":16,"result":"Here are the results from all three sites:\n\n---\n\n**1. Wikipedia — Designer**\nRust was created by **Graydon Hoare** in 2006 while working at Mozilla. Mozilla officially sponsored the project starting in 2009.\n\n**2. GitHub (rust-lang/rust) — Star Count**\n**~111,651 stars** (shown as \"112k\" on the page).\n\n**3. rust-lang.org — Tagline**\n> **\"A language empowering everyone to build reliable and efficient software.\"**","stop_reason":"end_turn","session_id":"879642c5-3133-4bd9-955a-09a726dbcb5c","total_cost_usd":0.15335084999999998,"usage":{"input_tokens":13,"cache_creation_input_tokens":14513,"cache_read_input_tokens":216727,"output_tokens":2258,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":14513,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":13,"outputTokens":2258,"cacheReadInputTokens":216727,"cacheCreationInputTokens":14513,"webSearchRequests":0,"costUSD":0.15335084999999998,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"83e27d97-57ed-4c43-9164-f40f48437830"}
