changed_mode settled only Normal -> RecordsNormal, but the host's
settle_normal_mode settles BOTH members of the pair, so a RecordsNormal
over an ordinary grid stayed put on the client and became Normal on the
host. Esc out of RecordsEditing resolves through entered() to
`enter-mode records-normal`, so the mirror-image drift was reachable by
the same route the fixed one was. Now total, with the pass-through arm
and both negative rows asserted.
a_compacted_seed_folds_to_the_same_cache_as_the_whole_history left
GridCache::records at its default, so a seed() that OMITTED the arm
compacted to an equal cache and the check could not see the omission.
The history now sets it; deleting the arm from seed() fails the test.
grid_updates' records arm had no test at all: grid_of setting the field
is covered by lockstep, but a client that connects before records mode is
entered learns only through the diff.
Evidence for all three, with the injected faults:
context/test-evidence/{clients,command}.md.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FC2jVn8Au7E9JPkw6bwXXH
Edward Langley
ab6bb41da3