Add Flights Map C.3 implementation plan

Six TDD tasks covering the routes-to-polylines pure helper, IMapPolyline
reshape to cityIds, MapCanvas polyline sync with visibility filtering,
intermediate-tooltip force-open pass, page wiring, and integration tests.
Tasks 1-3 share a commit due to coupling between type and consumer.
This commit is contained in:
2026-04-17 10:00:48 +03:00
parent a23513045b
commit 514bae6051
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