docs: add CLAUDE.md for repository guidance

docs: add dashboard screenshot to README

feat: add claudewatch infographic, update README with branding and full docs

fix: remove personal files from tracking, add .claude/ to gitignore

fix: theme toggle using resolvedTheme, disable system override

feat: switch to Inter font, collapsible sidebar with labels, dark/light theme toggle, improved text sizing

feat: final polish, README, and build verification

feat: add prompt history page with search and pagination

feat: add projects page with detail view

feat: add usage and costs page with charts

feat: add plans page with markdown preview

feat: add settings and config page

feat: add plugins and skills page

feat: add memories page with inline editing and delete

feat: add sessions page with filterable list and expandable details