Final C-gap sub-feature: calendarRange pure helpers
(getMinDate/getMaxDate/buildDisabledDates/findNextEnabledDate), snap-to-
nearest-enabled effect in FlightsMapFilter, and useGeolocationDefault
hook that pre-fills departure from browser position on mount when no
dep/arr is already set.
Covers the final four Angular-parity gaps: filterRoutes pure helper,
buildBuyTicketUrl + escapeHtml, routesToPolylines/intermediateCityIds
airport→city normalization, and FlightsMapStartPage wiring for the
auto-fallback effect plus departure/arrival buy-ticket popups.
Covers the polyline layer: routesToPolylines pure function, city-code-
based IMapPolyline shape, MapCanvas polyline sync via markerIndexRef
with visibility filtering, intermediate-city tooltip force-open pass.
Captures the data-layer scope for the flights-map rebuild: useDictionaries
hook, parallel fetch of world_regions/countries/cities/airports, transform
rules matching Angular DictionariesService, and the testing contract.
Defines a Playwright-based pipeline for visual screenshot diffing,
behavioral E2E verification, and gap analysis between the Angular
and React implementations. Documents known gaps in flight details,
popular requests logic, and flights map.
@isaacs/ttlcache has no byte cap (only count). A 100MB hard limit needs
lru-cache v10's maxSize + sizeCalculation. Aligns design spec with
Phase 1 master plan contract revision.
Captures the dual-mode Modern.js architecture, strangler-fig phasing,
parity contracts, and customer-requirement mapping so implementation
plans can be derived per phase without re-litigating architectural
decisions.
gnezim