Why: Incorporate the accepted proposal-status and merge-queue policy updates before U3 review. Evidence: The Documents branch merged origin/main without overlapping content; Dev has no remaining unmerged paths. Strict pins and full combination will be revalidated at this head. Impact: Documents gitlink and unrelated mainline task/policy files; U3 runtime components unchanged. Refs: U3 r0.4 Task 6 review synchronization
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@ ac5b617e9e