- route-health.sh: query net_response from InfluxDB for SOCKS5 proxy
  status, include per-gateway proxy field and global proxy map in
  health.json
- route-web-api.py: add proxy-dot indicators in egw/ogw/routers
  sidebar sections, updated from health.json proxy data
- Telegraf net_response on telegraf CT (682) checks port 1080 on all
  gateway IPs every 30s
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>