- Add ciphera.net and *.gstatic.com to CSP img-src (fixes app switcher
icons and site favicons blocked by Content Security Policy)
- Delete 6 unused component/utility files and orphaned test
- Upgrade @types/react and @types/react-dom to v19 (matches React 19 runtime)
- Fix logger test to use vi.stubEnv for React 19 type compatibility