- Enrich BRouter response with per-point 3D coordinates and segment boundary tracking (EnrichedRoute interface) - ColoredRoute component: plain, elevation gradient (green→yellow→red), and surface color modes with invisible wide polyline for click targeting - Click-to-split: click on route polyline inserts waypoint at nearest point, mapped to correct segment via boundary indices - MidpointHandles: draggable CircleMarkers at route segment midpoints for reshaping, hidden below zoom 12, opaque on hover - Color mode toggle (select) synced via Yjs routeData - i18n keys for color mode labels (en + de) - Unit tests for segment boundary tracking (13 tests) - E2E tests for enriched route response and color mode toggle Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
12 lines
447 B
Markdown
12 lines
447 B
Markdown
## Requirements
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### Requirement: localStorage crash recovery
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The Planner SHALL periodically save Yjs state to localStorage and recover it on reconnect.
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#### Scenario: Browser crash recovery
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- **WHEN** a user's browser crashes and they reopen the session
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- **THEN** unsaved changes from localStorage are merged with the server state
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#### Scenario: Clean exit
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- **WHEN** a session syncs successfully
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- **THEN** the localStorage backup is cleared
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