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trails/openspec/specs/planner-session/spec.md
Ullrich Schäfer 7dc4fdec3b
Archive osm-overlays change, sync 4 specs to main 
Synced to main specs:
- osm-poi-overlays (new): POI overlay requirements
- osm-tile-overlays (new): tile overlay requirements
- map-display (updated): added overlay layer entries
- planner-session (updated): added overlay/POI sync

Archived to openspec/changes/archive/2026-04-11-osm-overlays/.
All 4 artifacts complete. All 45 tasks complete.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-11 02:45:32 +02:00

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MODIFIED Requirements

Requirement: Real-time collaborative editing

The Planner SHALL synchronize waypoint edits, route options, and overlay preferences across all connected participants in real-time using Yjs CRDTs.

Scenario: Add waypoint

  • WHEN participant A adds a waypoint to the map
  • THEN participant B sees the waypoint appear within 500ms

Scenario: Reorder waypoints

  • WHEN participant A drags a waypoint to reorder it
  • THEN participant B sees the updated waypoint order within 500ms

Scenario: Concurrent edits

  • WHEN participant A and B both add waypoints simultaneously
  • THEN both waypoints appear for both participants without conflict

Scenario: Overlay sync

  • WHEN participant A enables the "Hillshading" tile overlay
  • THEN participant B sees hillshading appear on their map within 500ms

Scenario: POI category sync

  • WHEN participant A enables the "Drinking water" POI category
  • THEN participant B sees drinking water markers appear on their map