True if both registries agree on every value-bearing field, ignoring per-slot and per-attribute timestamps. Mirrors `compute_deltas`'s value-only semantics, so unchanged state at a stamped slot doesn't count as drift. `peer_users` is excluded: it isn't diffed by `compute_deltas` (the mapping is injected on the commit path via `RegisterPeer`, never by a fresh `from_runtime` conversion), so a commit
(&self, other: &Self)
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected