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feat(site-call-audit): additive (UpdatedAtUtc, TrackedOperationId) keyset in the reconciliation pull contract

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Site side: additive proto after_id field, ReadChangedSinceAsync gains an optional
afterId cursor and deterministic (UpdatedAtUtc, TrackedOperationId) ordering — a
batch fully inside one UpdatedAtUtc instant no longer re-reads the same page
forever. Absent/empty afterId preserves the exact legacy inclusive >= contract, so
an older central is unaffected. Regenerated the checked-in gRPC C#.
This commit is contained in:
Joseph Doherty
2026-07-09 08:31:42 -04:00
parent 2c45c3238b
commit a608d7a79b
7 changed files with 285 additions and 43 deletions
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src/ZB.MOM.WW.ScadaBridge.Communication/Protos/sitestream.proto
+8
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@@ -171,6 +171,14 @@ message PullAuditEventsResponse {
message PullSiteCallsRequest {
google.protobuf.Timestamp since_utc = 1;
int32 batch_size = 2;
// Composite-keyset cursor (Task 15): the TrackedOperationId ("D" GUID form) of
// the last row already consumed at since_utc. When set, the site returns only
// rows strictly after (since_utc, after_id) under a deterministic
// (UpdatedAtUtc, TrackedOperationId) order — un-pinning a batch that would
// otherwise stall when more than batch_size rows share one since_utc instant.
// Empty (the proto3 string default) preserves the legacy inclusive >= behaviour,
// so an older central that never sets it is unaffected. Additive-only.
string after_id = 3;
}
message PullSiteCallsResponse {