First build in the history; nothing to compare against.
tests/waves-empty.nowline
nowline v1
// Wave fixture: an empty wave (no items) between two populated ones.
// It spans no time, draws as a hollow marker on the shared boundary, shows
// "(no items)" in the legend, and reports NL.I1006.
roadmap waves-empty "Empty wave" start:2026-01-05 scale:1w
wave w1 "Wave 1"
wave w2 "Hardening (TBD)"
wave w3 "Wave 3"
swimlane a "Lane A"
item a1 "Item A1" duration:2w wave:w1
item a3 "Item A3" duration:1w wave:w3
swimlane b "Lane B"
item b1 "Item B1" duration:1w wave:w1
item b3 "Item B3" duration:2w wave:w3