A user will need to be able to view the run result of a pipeline:

• Display of a run after it has finished
• Display of a run as it is running
• Real time log tailing
• Display of stages and their state
• Display of artifacts
• Display of change set detail
• Re-run of a pipeline
• Viewing of logs by stage

Viewing of logs and "railroad" pipeline:
https://projects.invisionapp.com/share/WA699WS3J#/screens

Viewing of Changes:
https://projects.invisionapp.com/share/5H699XF7A#/screens

Viewing of and download of artifacts:
https://projects.invisionapp.com/share/RY699XVEJ#/screens