DR-011 — MemPalace lock-free reads use `mode=ro&immutable=1`, not plain `mode=ro`

Retired. This id is kept on disk so citations to it resolve and so the number can never be re-issued. It is not in force.

What it ruled: MemPalace lock-free reads use mode=ro&immutable=1, not plain mode=ro.

Recover the full text: git show 5871fe30:src/content/docs/reference/decision-register.md

Note. Cited from canonical:.claude/skills/handoff/SKILL.md:89. The mechanism is live in recall-grounding and mempal-recall.sh.

Substance now lives in: canonical:.claude/hooks/mempal-recall.sh:94-112 + canonical:.claude/skills/recall-grounding/SKILL.md §2