- Add R2 client module (cmd/acb-evolver/internal/live/r2.go) with
S3-compatible uploads to Cloudflare R2
- UploadLiveJSON() uploads evolution state to evolution/live.json
with Cache-Control: max-age=10 for near-real-time updates
- Add -r2 and -r2-only flags to live-export subcommand
- Add tests for R2 config validation and credential handling
- Update frontend to fetch live data from R2 URL instead of Pages
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>