Address review comment 2159 on the temporary-notes UI work.
Tests:
- tree-model: cover handleCreate's race-guard temporaryExpiresAt patch — (a)
server node inserted WITHOUT a deadline + create response carries one => node
gains the deadline; (b) node already has a deadline => not overwritten, prev
returned by reference.
- ws-tree.service.spec: broadcastPageCreated now asserts the deadline is carried
when present and pinned to null (`?? null`) when absent.
- page-embed-query (new spec): syncTemporaryExpiresInCache patches the in-tree
node's temporaryExpiresAt, and leaves the atom value at the same reference when
the id is absent from the loaded tree (no write).
Refactor (closes the drift bug-class at the root):
- Client: extract one canonical pageToTreeNode(page, overrides) mapper in
tree/utils and route buildTree, handleCreate's optimistic insert, the restore
mutation and the duplicate handler through it. Restore stays permanent (server
nulls temporaryExpiresAt) and duplicate stays permanent (server arms no timer)
— both now reflect the server without a reload, where before they dropped the
field entirely.
- Server: extract one toTreeNodeSnapshot(page) helper called by both the
PAGE_CREATED event enrichment (page.repo) and the addTreeNode broadcast
(ws-tree.service), so the optional temporaryExpiresAt can't drift between the
two literals.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
claude code agent 227
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