KMP Networking with Ktor

Configure Ktor client for cross-platform networking with platform-optimized engines.

TLS/certificate pinning (MITM hardening) is a separate concern applied per engine — see kmp-tls-pinning (OkHttp CertificatePinner on Android + Darwin handleChallenge on iOS via expect/actual).

Dependencies

// build.gradle.kts (shared module)
plugins {
    kotlin("multiplatform")
    kotlin("plugin.serialization")
}

val ktor = "3.5.2"   // current 3.x — verify latest at ktor.io/docs/releases