Files
amethyst/geode
Claude 4949d58d17 feat(geode): add up-direction negentropy catch-up (strfry sync --dir up parity)
strfry's `sync --dir` is bidirectional (its source: doUp = both||up,
doDown = both||down), but geode's catch-up was down-only. Add the up half so
`dir=up`/`dir=both` reconcile-and-push matches `strfry sync --dir both`.

runCatchUpUp reconciles the local set against the upstream (negentropyReconcileIds)
and publishes the events we hold that the upstream lacks (the reconcile's `have`
ids). Symmetric to the down catch-up: same one `dir`, live up-session starts at
`now` when the up catch-up covers history.

Reliability: client.publish's outbox is best-effort under a bulk burst (each
publish also churns a reconnect — measured ~1-2% dropped per pass), so the push
runs as a reconcile→push convergence loop. Each round re-reconciles — the
reconcile IS the delivery check against the upstream — and re-pushes only the
stragglers until the have-diff is empty. Test observed 3000 → 69 → 2 → 0 across
3 rounds, lossless.

Test: MirrorNegentropyCatchUpTest.negentropyCatchUpPushesUp pushes 3000 local
events to an empty (no-verify) sink and asserts all 3000 land. The four existing
mirror tests still pass (up catch-up needs a store + negentropyBackfill, both off
by default).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012EZeWww5TJnzBZKPoc6mvU
2026-07-05 02:01:05 +00:00
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