- Replace invalid POSIX non-capturing group in diagnostics/runtime.uc with standard POSIX ERE pattern.
- Harden 99-tachyon-wan-monitor with stale PID directory lock cleanup and dynamic badwan_reload_delay support.
- Make is_cloudflare_shared_cidr in core/ip.uc case-insensitive.
- Add default wan to badwan_monitored_interfaces in settings.js.
- Fix#50: Discord community subnets hijacking Cloudflare Anycast traffic:
* Filter broad Cloudflare shared subnets (104.16.0.0/12, 172.64.0.0/13, etc.) for Discord preset in generator_routes.uc, nft/apply.uc, and updates.uc.
* Add tachyon resolve_domain CLI and runtime.uc helper for DNS queries with rpcd ACL support.
* Update LuCI Routing Rule Tracer to resolve queried domains against section subnets/CIDRs (including community subnets) and show shared CDN/Anycast warnings.
* Add unit tests in tests/community_subnets_sanitization.sh.
- Fix#51: Telegram bot spamming WAN up/down notifications on hotplug:
* Check enable_badwan_interface_monitoring, telegram.enabled, and badwan_monitored_interfaces list in 99-tachyon-wan-monitor.
* Add background debounce with atomic directory locking and ubus interface status verification.
* Implement state transition tracking to only notify on actual UP->DOWN and DOWN->UP changes without duplicates.
* Preserve retry_start_on_wan_up behavior on ifup.
* Add comprehensive integration test suite in tests/wan_monitor_hotplug.sh.
Dushnilin