v1.6.9

• release v1.6.9 (3e39773)
• fix: reboot safety gate — refuse to reboot paused / package-db-dirty hosts (8597fc7)
• chore: retrigger CI (a6a2587)
• ci: trigger fresh run (5b02407)
• Revert "ci: use self-hosted ubuntu-24.04 runners instead of GitHub-hosted ubuntu-latest" (e504982)
• ci: trigger fresh run with self-hosted runners (8f92577)
• ci: use self-hosted ubuntu-24.04 runners instead of GitHub-hosted ubuntu-latest (2baa71d)
• fix: correct version bump to patch 1.6.8 (was 1.7.0) (c563645)
• feat: UI toggles for maintenance windows and auto-sync (v1.7.0) (cc70f19)