Blame for docs/compliance/postmortem_template.md

# Postmortem Template

Reference to original pack: `LEGALSYNC_COMPLETE_PACK.md`.

## Incident
- Date / severity / impact window

## Timeline
- Detection -> response -> resolution (UTC)

## Root cause
- One paragraph; link owning runbook in `docs/runbooks/`

## Corrective actions
- [ ] Owner + due date for each

## Blameless note
- Systems, not people. Secondary Brain gate must pass on re-deploy.