# Project consistency decision

Choose one operation, such as reserving the last seat, displaying a product description, editing a shared cart, or executing an approved agent proposal.

- Operation and owner:
- Business invariant and the exact data it covers:
- Read and write paths, including replicas or indexes:
- Required guarantee and its scope:
- Maximum tolerated staleness, or why no stale read is acceptable:
- Behavior during a partition, including the response the user receives:
- Normal-operation latency cost and acknowledgement point:
- Concurrent-write policy and one example conflict:
- Recovery check and who performs it:
- Failure sequence reproduced with an open-source tool:
- Observed output and its limits:
- Reference supporting the chosen configuration:

Explain why the chosen rule preserves the invariant. Describe the user-visible consequence when it cannot make progress. Discuss your decision in class and follow Canvas instructions for any official submission.