Optimistic locking:
- TicketView now includes updated_at in window.ticketData
- ticket.js saveTicket() sends expected_updated_at on every save so
the server can detect concurrent edits
- On conflict response, shows a clear toast: "ticket was modified by
someone else while you were editing — reload to see latest version"
- On success, syncs window.ticketData.updated_at from server response
so subsequent saves use the correct lock key
- update_ticket.php now returns updated_at in success response
Visibility audit log:
- updateVisibility() result is now checked; on success, logs a delta
entry to the audit trail with from/to visibility and groups so the
timeline shows who changed visibility and when
Full ticket export:
- export_tickets.php now accepts format=full with a single ticket_id
- Produces a JSON file containing ticket fields, flat comment list
(with author, timestamps, text), and the full audit timeline
- Access-controlled: respects canUserAccessTicket() before exporting
- EXPORT button added to ticket toolbar linking directly to the endpoint
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>