- Replaced text field CIDR input with a dynamic Material3 Slider (0-32 / 0-128).
- Restored RFC 1918 private address classification and Loopback detection.
- Full support for compressed IPv6 notation (::1, fe80::1, etc.).
- Added IPv6 address type indication (Link-local, Multicast, Loopback, Global unicast).
- Grouped IPv6 binary representation by 16-bit blocks.
- Added a share button to export calculation results.
- Stability fixes at startup and Volley context leak resolution.
