- Added acknowledgment signature workflow to "Logging a Violation" section (step 7)
- Added toast notification step to violation logging workflow (step 9)
- Updated Violation History section: amend now includes acknowledged-by/date fields
- Added PDF acknowledgment rendering note to Violation History
- Added "Toast Notifications" as standalone feature section
- Updated Amendable Fields to include acknowledged_by and acknowledged_date
- Updated Immutability Rules table with ack fields
- Moved acknowledgment signature and toast system to Shipped in roadmap
- Removed acknowledgment signature from Near-term (already shipped)