R-AF was decided by dumping real bytes rather than by preferring an
implementation. A reference serializes as a bare msgpack string with no schema
id anywhere, so C#'s rule was right and Rust adopted it. The shared-key vector
that never existed now covers both directions, including that row order does
not change the answer.
Two findings came out of the work itself. Rust resolved and target-checked
every declared reference before filtering by the requested role, where C#
filters first: a live divergence no ruling had named. And the existing
row-tiebreak test was degenerate, passing with the tiebreak reverted and
swapped, purely because of which real schema hash happened to sort first. It
now derives its keys from the ids discovered at runtime.
Both cursor overflows are fixed, each runtime fed the other's proven input,
with a backstop catch so nothing untyped reaches the poll loop.
Two things are owed rather than done. The diff-scoped Stryker run failed on a
tooling bug that was worked around instead of root-caused, so 47 untriaged
survivors are inherited. The dispatch backstop has no integration test.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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