- overnight.ts: Yjs helpers to set/clear/check overnight flag on waypoints
- compute-days.ts: Pure function splitting routes into DayStage[] at day breaks
- use-days.ts: Reactive hook mapping Yjs state into computeDays() input
- GPX generate: emit <type>overnight</type> for isDayBreak waypoints
- GPX parse: recognize <type>overnight</type> and set isDayBreak on waypoints
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The spec was Planner-only — day structure would be lost when saving to the
Journal. Added GPX roundtrip (D9), Journal storage (D10), route detail day
breakdown (D11), and shared computeDays in @trails-cool/gpx (D12).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Archive the monolithic route-features spec and replace with 9 focused
OpenSpec changes: multi-day-routes, waypoint-notes (with POI snapping),
undo-redo, local-dev-stack, route-sharing, route-discovery,
activity-photos, osm-overlays, plus the existing changelog and
komoot-import.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
