Ullrich Schäfer b9a77be020 Add route error toasts with waypoint rollback ... - Show error toasts when route calculation fails, with distinct messages: - "No route found" for BRouter 4xx (unroutable waypoints, missing tiles) - "Route calculation failed" for server errors / network failures - "Too many requests" for rate limiting - Rollback all waypoints to last known good state on route failure - Guard against restore→recompute loop via restoringRef flag - Extract reusable useToasts hook from awareness toast logic - Add BRouterError class to distinguish client vs server errors - API returns 422 for unroutable requests instead of blanket 502 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>		2026-03-29 14:09:20 +02:00
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journal	Remove useEffect flicker from ClientDate	2026-03-29 11:48:01 +02:00
planner	Add route error toasts with waypoint rollback	2026-03-29 14:09:20 +02:00