Cloudflare serves static assets before the worker runs, so the icon
redirect logic was never reached. Renamed the default icon files to
default-* prefix. The worker now handles all requests for the original
icon paths: redirects to org-specific icons when cookie is set, or to
the renamed defaults otherwise.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>