Checkpoint CRM pagination only after local batch commit
The cursor advances even when a page fails to persist.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Transactions · Pagination
Estimated field mix
- Data engineering50%
- Database engineering30%
- Integrations20%
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
A fictional account team sees overwritten edits, duplicate contacts, and stale opt-out preferences after synchronization retries.
Setup prerequisites
- Create a local CRM double and synthetic contact records for two organizations; no real personal data or CRM credentials.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Commit page changes and cursor together.
- Resume from the last committed cursor.
- Bound page size and total import work.
Implementation constraints
- Do not use timestamps alone as a pagination tie-breaker.
Verification to include
- Interrupt after a committed page and resume.
- Fail persistence and verify the cursor remains unchanged.
Deliverables
- Transactional page importer.
Rollout and recovery
Start with small batches; retain checkpoints during recovery.
Value of the work
For the engineer: Practice sync cursors, conflict policies, privacy boundaries, and replay.
For the team: Provide predictable customer-data synchronization with inspectable conflicts.
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.