Add seasonRefreshProvider (once-per-session FutureProvider) and activeSeason()
helper; HomeScreen listens and invalidates seasonsProvider when new packs arrive;
season_map_screen and season_title_screen switch from list.first to activeSeason.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Shows "SEASON 1 / First Bloom / N stages" over the season background for
~1.6s between splash and home; tap anywhere skips. Bails to home on
content-load error. Adds seasonLabel/seasonStages l10n keys (en + ko).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>