0.8.0

Added

• Physical realizations are typed data without changing EssIr. An adopter-authored
  ess-realization/1 binds one exact ESS system, version, and semantic digest to resolved
  components and actors, immutable implementation artifacts, typed runtime requirements, and local,
  loopback, or network entrypoints. ess realization compile emits deterministic
  ess-realization-ir/1 and rejects stale locks, unresolved or out-of-subset references,
  incomplete implementation coverage, malformed placeholders, and inline secret arguments.
• ess realization generate projects the same resolved IR into a deterministic run-mode guide and
  supports --check for committed-document drift.