Fetches SHA256SUMS sidecar file from download server before extraction.
Mismatch = hard error, unavailable = warn and proceed (graceful for old releases).
Respects CLOAKBROWSER_DOWNLOAD_URL contract (no GitHub fallback for custom mirrors).
Skip with CLOAKBROWSER_SKIP_CHECKSUM=true. Both Python and JS wrappers.
- Binary downloads now served from CloakHQ/cloakbrowser releases (chromium-v* tags)
- Auto-update: background version check on launch, downloads newer binary for next use
- Graceful error on macOS/Windows (Linux-only binaries for now)
- Rate-limited (1hr), opt-out via CLOAKBROWSER_AUTO_UPDATE=false
- Add release-binary.yml workflow for anonymous binary releases