Completes the v1.16.0 fleet upgrade for the fourth alloy service
(type: ansible, built from source on indri). Binary built on gilbert
with Go 1.26.2 + CGO, scp'd to indri, codesigned, LaunchAgent reloaded.
Service reports clean WAL replay and resumed metric/log shipping.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>