1.8.17 — Deployment failure-semantics + tentacle logging and isolation-mutex hardening - #423 Make deployment kill-timeout configurable via env var - #424 Default unavailable deployment targets to fail-fast - #425 Skip PostDeploy convention when the main script fails - #426 Persist the tentacle agent log to a rotated file under the service - #427 Send the isolation mutex name on the wire's IsolationMutexName field