All six tasks are done:
- core/connection-credentials: ConnectionCredentials + RemoteIdentity in alknet-core
- tls/crate-init: alknet-tls crate skeleton with deps and feature flags
- tls/server-extract: server-side TLS code extracted into alknet-tls
- tls/client-extract: client-side TLS code extracted into alknet-tls
- tls/tests: 34 TLS tests moved and adapted into alknet-tls
- tls/review-tls: spec conformance review passed, all feature combos green