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Optimistic concurrency / lost-update protection #152

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opened 2026-06-09 11:27:35 -04:00 by justin · 0 comments
justin commented 2026-06-09 11:27:35 -04:00
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Status: missing · Importance: High · Effort: M · Phase: 6

No version/etag/updated_at precondition checks; concurrent multi-user edits can silently clobber.

Non-negotiable: Full-CRUD + multi-user without this risks lost updates; concurrent paths still route through privacy engine.

Area: Collaboration & sharing · P1 / should-have. From the product backlog gap analysis (docs/BACKLOG.md).

**Status:** missing · **Importance:** High · **Effort:** M · **Phase:** 6 No version/etag/`updated_at` precondition checks; concurrent multi-user edits can silently clobber. **Non-negotiable:** Full-CRUD + multi-user without this risks lost updates; concurrent paths still route through privacy engine. --- _Area: Collaboration & sharing · P1 / should-have. From the product backlog gap analysis (docs/BACKLOG.md)._
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Reference: justin/provenance#152
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