Net Swiss Knife is an Android "Swiss army knife" app for network diagnostics and utilities. It provides a collection of networking tools in a clean Jetpack Compose + Material 3 UI.

Pure Kotlin module (no Android SDK dependency). Contains:

- Network result wrappers (NetworkResult)
- Host/IP validation utilities (HostValidator)
- Interfaces and models for each networking tool (e.g. ping, DNS, port scanner)
- This is where all TDD unit tests live.

Pure Kotlin module that depends on :core-network