- Rename NAT types: OPEN->EIM, RESTRICTED->STRICT across all code
- Add flat addr list {type,ip,port,socket_id} to NODEINFO (NODEINFO_IPV4_ADDR)
- Add NODEINFO_IPV4_SOCKET_META for per-socket metadata
- Add NODE_CONNECTIVITY with per-type probe status and min_rtt
- New module: route_connectivity.c/h (probing engine with socket fallback)
- STRICT verified addresses excluded from NODEINFO broadcast
- Trigger probing on new/updated BGP node, cancel on remove/withdraw
- Update NAT type names in etcpmon GUI
- Add get_node_v6_sockets() function in route_node
- Add local_defaultroute_ip6 field to ETCP_SOCKET
- Fix IPv6 address logging in bind, init, new connection
- Fix socket lookup for IPv6 in init_connections
- Fix route_ping_handle_req to support both v4 and v6 sockets
- Replaced old BGP_ROUTE_PACKET with NODEINFO packets
- Added paths list to NODEINFO_Q for multi-path routing
- Implemented process_nodeinfo, process_withdraw, add/remove_path
- Updated routing.c to use v_node_info->paths
- Fixed type inconsistencies and includes across route_* files
- Hash size for nodes queue increased to 256
- Version increment logic in build_my_nodeinfo
Branch: feature/nodeinfo-routing
Evgeny