Add supabase/config.sh with project URL and publishable key (safe to
commit — RLS restricts to INSERT only). Update telemetry-sync,
community-dashboard, and update-check to source the config and
include proper auth headers for the Supabase REST API.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Garry Tan