fix(extension): fix utf-8 encoding and relax auth check for guest fallback

feat(api): implement dynamic api configuration via options page

fix(extension): remove missing icon references from manifest

fix(extension): remove missing options.html and sidebar.html references from manifest

feat(extension): add google auth check and advanced crawl options (recursive, directory, keywords)

fix(extension): convert content.js to javascript and update api port

fix: sql.js Docker/Alpine compatibility layer for PatternMemory and FailureMemory