- 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> |
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