automation-bot a5254a95ac docs: fix observability.md - add missing 4th log fan-out (auditd) ...

A real log source was added the day after this doc's last verify
(2026-09-07): auditd logs now ship to Loki too, on the 6 hosts
carrying the auditd_hardening role, after a real incident where one
host's /var/log/audit filled to 100% with zero external visibility.
Updated the diagram to add the 4th branch (rebuilt via Nextcloud
Diagramming, re-exported) and added prose describing it. Also
corrected the diagram's DNS branch label (job=dns -> job=technitium-dns,
matching the doc's own already-correct evidence-screenshot caption).
Journald sizing config (1G rocky-docker override, 500M fleet default)
confirmed byte-for-byte accurate live on both.

2026-09-19 09:28:11 +03:00

136 KiB

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