chore(agent-policy): finalize channel revision 28

[hv-agent-promoter]

Protected policy-channel transition generated by the rollout workflow.

• Action: finalize
• Revision: 28
• Claim runtime: github-actions
• Claim session: policy-rollout-31729851205

Claim and release this issue through the canonical lifecycle before merging its PR.

[willgriffin]

{"branch": "agent/policy-channel-28-finalize", "claimed_at": "2026-08-13T18:22:28Z", "heartbeat_at": "2026-08-13T18:22:28Z", "lease_seconds": 14400, "owner": "willgriffin", "release_evidence_sha256": "8f003fc569f073157a55846f6704e3eda4ebeda839428670eb0a92c7d7699dc0", "release_message": "Review release for PR #115 head 270f074c197d72b7f899f0271ccf4389ca6304e7. Signed smoke evidence covers all five exact default heads with zero errors; canonical evidence digest c1731a2fce038c186c5a92bc5a78acad4c2074e6f0aba1a003304e1ec0e354b8 and lifecycle are green.", "release_pr_heads": {"115": "270f074c197d72b7f899f0271ccf4389ca6304e7"}, "release_reason": "review", "released_at": "2026-08-13T18:23:32Z", "runtime": "github-actions", "schema": "hv-agent-claim:v1", "session": "policy-rollout-31729851205", "worktree": "/private/tmp/authority-policy-finalize-28"}

[willgriffin]

Review release for PR #115 head 270f074. Signed smoke evidence covers all five exact default heads with zero errors; canonical evidence digest c1731a2fce038c186c5a92bc5a78acad4c2074e6f0aba1a003304e1ec0e354b8 and lifecycle are green.