Upgrade Go toolchain and golang.org/x/* deps to 1.24.10, standardize GitHub Actions to derive Go version from go.mod and adjust checkout ordering, raise WASM size limit to 55 MB, update FreeBSD tarball and gomobile refs, fix a few format-string/logging calls, treat usernames ending with $ as system accounts, and add Windows tests.
adds NetFlow functionality to track and log network traffic information between peers, with features including:
- Flow logging for TCP, UDP, and ICMP traffic
- Integration with connection tracking system
- Resource ID tracking in NetFlow events
- DNS and exit node collection configuration
- Flow API and Redis cache in management
- Memory-based flow storage implementation
- Kernel conntrack counters and userspace counters
- TCP state machine improvements for more accurate tracking
- Migration from net.IP to netip.Addr in the userspace firewall
