route-web-api.py:
- /api/export endpoint: filter by group/list/proto, text/mikrotik/json formats
- /api/export/groups: list available groups with counts
- aggregate=1 (exact) / aggregate=2 (approx via mapcidr)
- Multiple groups support (group=gre,egw,zapret)
- Resolved data from /var/lib/etersoft-router/state/ with in-memory cache (60s TTL)
- Speed check: don't early-stop before checking first 2 gateways

route-update.sh:
- umask 022 for readable state files
- chmod g+r on resolved after write
- Per-list duration tracking (duration file in state)

functions:
- CNAME fallback: parallel dig (xargs -P 20) instead of sequential

route-stats-metrics.sh:
- New: collect route list counts and push to InfluxDB
- Per-list duration metrics
- Route-update total duration

dns/chat-dns.sh:
- Rewritten for split-view subzone chat.eterfund.ru via SSH to ns1

dns/telemt-metrics.sh:
- Added upstream_success/fail/slow and handshake_timeout metrics
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>