- Add health_check API with LAPI/CAPI/Console status verification
- Add capi_metrics API for community blocklist statistics
- Add hub_available, install_hub_item, remove_hub_item APIs
- Add System Health panel to overview with visual status indicators
- Add CAPI Blocklist section showing community vs local decisions
- Add Installed Collections card with version display
- Fix settings.js syntax error (missing comma)
- Fix metrics.js null display in acquisition statistics
- Update ACL file with new RPC method permissions
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>