Stop conflicting procurement saves from another tab
Two tabs silently overwrite a draft. Require expected revisions and preserve conflicting local work.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Concurrency · Recovery
Estimated field mix
- Frontend60%
- API design40%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
Fictional procurement team Northroom collects purchase requests in a browser form. Work uses local stubs and cannot place purchases.
Setup prerequisites
- Create synthetic categories and conditional request fields.
- Stub draft revisions and submission outcomes.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
- CFORM-102 · Link procurement error summaries to affected fields
- CFORM-101 · Preserve procurement amount precision during editing
- CFORM-103 · Remove obsolete shipping fields on procurement category changes
- CFORM-104 · Allow earlier procurement corrections after final-step errors
- CFORM-105 · Show acknowledged and unsaved procurement draft states
Acceptance criteria
- Stale writes fail visibly
- Local edits remain recoverable
- Reconciliation is explicit
Implementation constraints
- Browser warnings cannot replace revision checks.
Verification to include
- Save one tab
- Submit stale save in second
Deliverables
- Multi-tab conflict flow
Rollout and recovery
Pause writes on unresolved conflict.
Value of the work
For the engineer: Practice state boundaries and form schema transitions.
For the team: Inspect how hidden obsolete data and duplicate requests are prevented.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.