akua login
Planned
Authenticate to OCI registries and signing providers.
akua login [registry] [flags]
Examples
akua login # interactive; logs into akua.dev
akua login ghcr.io # interactive; token prompt
akua login ghcr.io --token=$GITHUB_PAT # scripted
Credentials are stored in the system credential store (Keychain, libsecret, Credential Manager). Never plaintext.