Odin v3.90.0

• bump: v3.90.0 (bf84162)
• Merge pull request #339 from Calmingstorm/feat/hosts-control-plane (5d35668)
• fix: stream remote process output before producer exit (356662e)
• docs: state remote process restart policy (10f7f90)
• docs: describe astra model compatibility (fe20958)
• test: pin invalid pinned-host startup warning (2164ae7)
• fix: report force-revoked generations untargetable (593b6fc)
• fix: keep host-default warning type-safe (726efd2)
• style: remove astra test trailing blank line (f20ba44)
• docs: align astra effort catalog commentary (b763cd7)
• fix: close managed-host review blockers (c72b258)
• merge: add gpt-6-astra support to hosts campaign (866b3d5)
• test: restore coverage ratchet for host consumers (a0f259e)
• style: normalize host control tests (baac0f0)
• test: cover managed-host trust and remote lifecycle (710eb8c)
• feat: add gpt-6-astra as a selectable Codex model (4e8eb12)
• feat: add admin hosts API and WebUI enrollment (491de20)
• feat: enforce host leases across operations and remote processes (d49d402)
• feat: add live managed-host registry and trust control (4b34d0a)

What's Changed

• feat: add live managed-hosts control plane by @Calmingstorm in #339

Full Changelog: v3.89.1...v3.90.0