docs: Phase 5 — incident log, maintenance runbook, NUT config archive
beast/nut/upssched.conf: fixed earlyshutdown timer (30s→300s) and added
cancel rule. Archived post-fix from Beast.
beast/nut/upssched-cmd: archived for reference.
runbooks/phase5-incident-log.md:
INC-005: NUT upssched earlyshutdown bug — cause, fix, break-test findings.
INC-001 through INC-004: PBS USB hub/data/re-diagnosis/sdj end-of-life.
P5-01 through P5-11: pending work queue including Pi4 node-exporter,
compute5 PCIe PM, PBS recovery gate, qnetd migration, Authelia metrics,
cert renewal verification, ansible-control disk, Phase 4A resume.
runbooks/maintenance-runbook.md: PBS recovery steps, UPS test procedure,
cert renewal schedule (May 11/18), Phase 4A per-node procedure, qnetd
migration, Authelia metrics setup, recurring checklist.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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