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+FCM-M5-001 review delta: fresh Reviewer A DESIGN REJECTED exact snapshot v8 8b2df0b4572169f8941426888131b4f099738f3fa9a5dbcec1392c1b656d174f on one bounded closure defect. Section 8.2 prescribes DotGitAtR vs both final N-rooted pre-open record and G descriptor, but Section 10.3 exclusive list, evidence 12.2/12.4, and Section 14 use incomplete DotGitAtR/G shorthand omitting the first comparison. All other areas passed. V8 immutable; Reviewer B held; blocker-only v9 next. PR #789 remains CI green, comments/reviews zero; no merge. #812 remains USC-owned/queued.