Auto-reload for broken oVice pages

Implemented auto-reload for disconnected / error states (grayed-out / dead page scenarios).

Firefox compatibility groundwork

Firefox manifest structure + compatibility adjustments (including data collection permissions formatting).

Build/release workflow refactor

Switched to separate manifests per browser for browser-specific releases.

Added beta build script (unpacked builds for debugging/testing).

Consolidated build outputs into the /build directory.

Periodic health check improvements

Added/strengthened periodic health-check logic + reliability improvements.

Enabled periodic health check by default for new installs.