TASK-072: persist 35 unworked review findings

Snapshot of the 35 findings (0 critical, 3 major, 32 minor) surfaced by the
validation-loop reviewers that were deemed out of scope for this task.
Mirrors the TASK-071 persistence pattern so they remain visible for future
follow-up without blocking the merge.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: etr