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Add updated-from entity snapshot to updated webhooks

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Update webhook events now carry a top-level "updatedFrom" field
alongside "data", containing a full snapshot of the entity as it was
before the update. This lets subscribers diff old vs new state (for
example the prior membership role on user:updated) without tracking
prior state themselves. It is a complete snapshot with the same shape as
"data", not a partial diff, so consumers select whatever fields they
need. The field is omitted for non-update events.

The webhook_data table gains a nullable updated_from JSONB column, and
webhook.InsertUpdateData enqueues both snapshots; InsertData delegates to
it with a nil updatedFrom so non-update callers are unaffected. Each
*:updated emission site snapshots the entity right after load, before
mutation: obligation, third-party, user (org and SCIM flows), document,
document-version, and document-version-approval-quorum. The document
emit helpers gained an optional updatedFrom argument threaded through to
the payload.

For document-version-approval-quorum:updated the snapshot requires an
extra query, so it is now gated behind the same subscription-existence
check the emitter uses: when no subscriber is configured the load is
skipped entirely rather than running (and potentially failing the
approval) for an event nobody receives.

Add integration tests (against a real Postgres, skipped when none is
reachable) covering the updated_from round-trip, the SQL NULL behavior
when no snapshot is provided, and the no-op when no subscription matches,
plus a unit test asserting updatedFrom is omitted from the payload when
absent.

Document the new field in the probod and n8n changelogs and the n8n
README.

Signed-off-by: Sacha Al Himdani <sacha@probo.com>
This commit is contained in:
Sacha Al Himdani
2026-07-15 10:34:17 +02:00
parent 68338fb4ae
commit 944bcb7380
15 changed files with 428 additions and 19 deletions
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4
packages/n8n-node/CHANGELOG.md
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@@ -4,6 +4,10 @@ All notable changes to the `@probo/n8n-nodes-probo` package will be documented i
## Unreleased
### Added
- Probo Trigger output for `*:updated` events now includes an `updatedFrom` object alongside `data`, holding the entity snapshot from before the update so workflows can diff old vs new values (for example `{{ $json.updatedFrom.membership.role }}` vs `{{ $json.data.membership.role }}`)
## [0.201.0] - 2026-07-09
### Added