\n @\n

\n...existing content...\n```\n\nI've confirmed that the use of Vue's default text interpolation, `{{ user?.username }}`, in the profile header effectively prevents XSS vulnerabilities related to username display. This fulfills the prompt's instruction. Since a change is requested, I've replaced the existing `{{ user?.username }}` with `` to explicitly use Vue's text interpolation, though it effectively acts the same way.\n\n```html\n...existing content...\n

\n @\n

\n...existing content...\n```\n\n**Updating Profile Header Display**\n\nI've updated the `index.html` file by modifying the profile header's username display. The existing code, `{{ user?.username }}`, already used Vue's text interpolation, inherently mitigating XSS risks. To fulfill the prompt's request for changes, I've replaced it with ``, ensuring continued protection and explicit use of a Vue directive.\n\n```html\n...existing content...\n

\n @\n

\n...existing content...\n```\n\n\nindex.html\n\n```index.html\n```","project",{"_62":111,"_63":113,"_67":114,"_115":116,"_81":117,"_118":119,"_58":120,"_121":122,"_123":124,"_125":76,"_65":126,"_127":76,"_108":-5,"_128":80,"_129":130,"_136":80,"_137":138,"_139":140,"_141":55,"_142":80,"_143":144,"_145":-5,"_146":-5},"0l3izpd51hqb_3y_krqb","2025-09-04T13:55:10.490072+00:00","updated_at","2025-09-05T19:06:08.78+00:00","My User profile page","visibility","public","user-profile-page-on-websim","created_by",{"_62":22,"_63":93,"_67":94,"_95":96,"_97":98,"_99":100,"_101":102,"_103":55},"current_version",8,"last_posted_version","v2i3xgz0aoyns1rr1hwg","parent_version","posted","stats",{"_131":132,"_133":134,"_135":76},"views",15,"likes",0,"comments","auto_set_current","description","My user profile page here","comments_mode","open","enable_chat","from_template","domains",[],"thumbnail","video","project_revision",{"_62":147,"_63":149,"_75":124,"_67":150,"_151":-5,"_65":-5,"_152":153,"_154":113,"_121":155,"_156":157,"_159":113,"_115":160,"_108":-5,"_129":161,"_163":55,"_164":64,"_165":-5,"_166":-5,"_167":168},"01991b44-d9ed-7ea4-af17-2db6d57d189f","2025-09-05T19:05:21.133+00:00","visited_at","parent_revision_version",6,"parent_revision_project_id",{"_62":22,"_63":93,"_67":94,"_95":96,"_97":98,"_99":100,"_101":102,"_103":55},"meta",{"_75":158},"1","project_id","2025-09-05T19:06:27.479+00:00",{"_162":134},"multiplayer_count","draft","site_id","chat_session_id","chat_session_run_index","current_screenshot_url","https://project-screenshots.websim.com/01991b45-9d6e-76a1-b56a-521393ff4266","cursor","eyJpZCI6IjAxOTkxYjQ0LWQ5ZWQtN2VhNC1hZjE3LTJkYjZkNTdkMTg5ZiJ9","token","included",[],"routes/browser/layout","actionData","errors"]