trails/openspec/specs/planner-session/spec.md
Ullrich Schäfer f7e0f904a9
Update planner-session spec with collaborative notes requirements
Added scenarios for character-level notes sync and cursor awareness
between participants.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-11 02:55:36 +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
#### Scenario: Collaborative notes editing
- **WHEN** participant A types in the notes editor
- **THEN** participant B sees the text appear character-by-character in real-time
- **AND** participant B sees participant A's cursor position and name
#### Scenario: Notes cursor awareness
- **WHEN** participant A selects text in the notes editor
- **THEN** participant B sees participant A's selection highlighted in A's assigned color