---
task_id: "6"
task_hash: "sha256:ee793f06e3bc8e83ed5836909b204f7234a68754d4ce938ae9fd927be426c7e6"
next: "Task 7: authorization, logging privacy and account deletion cleanup"
completed: "History list/detail/delete and snapshot responses"
evidence: "W3 suite 6/6 passed"
review: ".superpowers/sdd/reviews/T6.md"
risk: "Snapshot JSON compatibility requires MySQL validation"
commit_start: "4b42a624d7ec2bb5cac64bc13cd7d4d8eba91ee7"
commit_end: "27dbc095e0413f9566bcc4ddc3bdb4f642535a6b"
created_at: "2026-09-20T08:34:50.905Z"
plan_hash: "sha256:77341d6e000ef1624d59d66b8b361c24e7ef8f1b5d065dd4d648a2a7537e72d5"
plan_revision: 1
---

# Checkpoint: 6

## Next
Task 7: authorization, logging privacy and account deletion cleanup

## Completed
History list/detail/delete and snapshot responses

## Evidence
W3 suite 6/6 passed

## Review
.superpowers/sdd/reviews/T6.md

## Risk
Snapshot JSON compatibility requires MySQL validation

## Commit Start
4b42a624d7ec2bb5cac64bc13cd7d4d8eba91ee7

## Commit End
27dbc095e0413f9566bcc4ddc3bdb4f642535a6b