- mana-crawler: config → envutil, handler → httputil.WriteJSON
- mana-api-gateway: config → envutil, handlers → httputil.WriteJSON
- Fix Dockerfile COPY paths (remove stale -go suffix in all 4 services)
- All services now use packages/shared-go via replace directive
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>