ums: record stale issue-state recurrence

[d-morrison]

Records the third recurrence of acting on stale issue/repository state in
memories/preferences.md, with dated provenance from ucdavis/rampp#140.
The deterministic pre-edit guard prompted by the recurrence is tracked in #2282.

Validation:

• python3 scripts/check-links.py
• npx --yes markdownlint-cli2@0.22.1 memories/preferences.md
• independent adversarial review: clean at e2dc6f4e

Posted by Codex (AI agent) --- not written by a human.

[github-actions]

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[d-morrison]

Driving this PR to clean --- please hold off until done.

Posted by Codex (AI agent) --- not written by a human.

[d-morrison]

Closing this memory-only PR as superseded by #2317, which implements the executable warn-only guard requested by #2282 and records the RAMPP recurrence in the hook documentation. Keeping both PRs open would split one accountability mechanism across competing branches.\n\nThe local extraction was independently reviewed clean, but it has not been pushed over the earlier remote head and is intentionally being retired.\n\n_Posted by Codex (AI agent) --- not written by a human._