- Mark all Task 2 checkboxes as [x] in the plan file
- SearchRoutes method added to yandex client
- Hub expansion implemented via on-demand /search
- Cache key generation integrated
- Tests written for search integration and cache TTL policies
- Create cmd/cron/station_status.go with daily station status checking
- Implement schedule querying via Yandex API with rate limiting and circuit breaker
- Closure detection: N consecutive days of zero trips (N=3) → closed status
- Reactivation: active status when trips resume after being closed
- Add tests for cron logic: status transition, zero-flight detection, reactivation
- All tests pass: go test ./cmd/cron/ and go test ./...
- Create cmd/api/handlers.go with HTTP handlers for all MVP endpoints
- Implement GET /v1/cities?query= city autocomplete
- Implement GET /v1/cities/{id}/stations city stations including neighbors
- Implement POST /v1/routes/search route search with Pareto-optimal results
- Implement GET /v1/routes/{search_id}/{route_id}/geojson route geometry
- Implement GET /v1/stations/{id}/status station status endpoint
- Add handler tests with success and error cases
- All existing tests pass
