Scanner & Door Operations Scan tickets at the door Public help Scanner users should scan the signed QR code from a completed ticket. The scanner API validates the signed payload and ticket/event relationship. Tested outcomes Valid ticket scan succeeds once. Duplicate scan is rejected or flagged distinctly. Wrong-event scan is rejected. Invalid token is rejected. Unauthenticated API requests return JSON 401 . Verification evidence Scanner Door Operations: QR Validation, Duplicate, Wrong Event , Live Scanner API Retest With Browser-Like Headers . Last verified Verified against the staging website on 2026-06-13. Mobile apps were not tested in this pass. Sign in to the Scanner App Public help Help scanner staff access the app before the event starts. Door procedure Keep the door process calm. Validate the ticket, compare the event, and escalate uncertain results instead of guessing. Implementation note Scanner behavior must be tested against the Scanner App, scanner API, ticket scan records, and duplicate conflict reports. Implementation status Expected behavior Status Surface Manual check Scanner workflow matches app behavior. Needs Verification Scanner App / API Run a scan test with valid, invalid, and duplicate tickets. Door staff permissions are limited. Needs Verification Scanner App / Roles Login as scanner and confirm only scanning tools are available. Verification checklist Test valid ticket scan. Test duplicate ticket scan. Test no-network behavior if supported. Confirm admin scan records. Gaps / notes Offline-first behavior needs hands-on venue-style testing. Exact scanner app labels need screenshots before public use. Select the correct event before scanning Public help Prevent door staff from scanning against the wrong event. Door procedure Keep the door process calm. Validate the ticket, compare the event, and escalate uncertain results instead of guessing. Implementation note Scanner behavior must be tested against the Scanner App, scanner API, ticket scan records, and duplicate conflict reports. Implementation status Expected behavior Status Surface Manual check Scanner workflow matches app behavior. Needs Verification Scanner App / API Run a scan test with valid, invalid, and duplicate tickets. Door staff permissions are limited. Needs Verification Scanner App / Roles Login as scanner and confirm only scanning tools are available. Verification checklist Test valid ticket scan. Test duplicate ticket scan. Test no-network behavior if supported. Confirm admin scan records. Gaps / notes Offline-first behavior needs hands-on venue-style testing. Exact scanner app labels need screenshots before public use. Understand scan results Public help Use scan result messages to decide whether to admit an attendee Valid: ticket belongs to the event and has not been used. Duplicate: ticket was already scanned. Wrong event: ticket is valid for another event, not this one. Invalid: QR code or signed payload is not accepted. Unauthenticated: scanner session/API access is missing or expired. Internal note: Add admin scan report/conflict screenshots after admin UI access is available. Verification evidence Scanner Door Operations: QR Validation, Duplicate, Wrong Event , Admin And Internal Finance Surface . Last verified Verified against the staging website on 2026-06-13. Mobile apps were not tested in this pass. Handle duplicate scan warnings Public help Give staff a safe process for duplicate QR code warnings. Door procedure Keep the door process calm. Validate the ticket, compare the event, and escalate uncertain results instead of guessing. Implementation note Scanner behavior must be tested against the Scanner App, scanner API, ticket scan records, and duplicate conflict reports. Implementation status Expected behavior Status Surface Manual check Scanner workflow matches app behavior. Needs Verification Scanner App / API Run a scan test with valid, invalid, and duplicate tickets. Door staff permissions are limited. Needs Verification Scanner App / Roles Login as scanner and confirm only scanning tools are available. Verification checklist Test valid ticket scan. Test duplicate ticket scan. Test no-network behavior if supported. Confirm admin scan records. Gaps / notes Offline-first behavior needs hands-on venue-style testing. Exact scanner app labels need screenshots before public use. Use offline scanning safely Public help Document what staff should do when venue connectivity is poor. Door procedure Keep the door process calm. Validate the ticket, compare the event, and escalate uncertain results instead of guessing. Implementation note Scanner behavior must be tested against the Scanner App, scanner API, ticket scan records, and duplicate conflict reports. Implementation status Expected behavior Status Surface Manual check Scanner workflow matches app behavior. Needs Verification Scanner App / API Run a scan test with valid, invalid, and duplicate tickets. Door staff permissions are limited. Needs Verification Scanner App / Roles Login as scanner and confirm only scanning tools are available. Verification checklist Test valid ticket scan. Test duplicate ticket scan. Test no-network behavior if supported. Confirm admin scan records. Gaps / notes Offline-first behavior needs hands-on venue-style testing. Exact scanner app labels need screenshots before public use. Escalate door issues Public help Explain when scanner staff should call an organizer or LinkUp support. Door procedure Keep the door process calm. Validate the ticket, compare the event, and escalate uncertain results instead of guessing. Implementation note Scanner behavior must be tested against the Scanner App, scanner API, ticket scan records, and duplicate conflict reports. Implementation status Expected behavior Status Surface Manual check Scanner workflow matches app behavior. Needs Verification Scanner App / API Run a scan test with valid, invalid, and duplicate tickets. Door staff permissions are limited. Needs Verification Scanner App / Roles Login as scanner and confirm only scanning tools are available. Verification checklist Test valid ticket scan. Test duplicate ticket scan. Test no-network behavior if supported. Confirm admin scan records. Gaps / notes Offline-first behavior needs hands-on venue-style testing. Exact scanner app labels need screenshots before public use.