add grand_canyon_bright_angel_2026

buffalo FIM chip: coverage-weighted alpha (modal class, alpha ~ sqrt block coverage)

add buffalo_natl_river_2025 (Buffalo National River, Apr 2025; median gage NSE +0.518, OPERA DSWx overlay)

add Rocky Mountain NP (Sep 2013) + Paauau Gulch HI (Feb 2023); viewer: discharge-mode gage panel

add/update guadalupe_comfort_2026

add India_Guwahati episode (Guwahati fluvial: Brahmaputra inflow + OPERA DSWx +11d)

fix: Harvey flood animation full extent (south-up orientation fix; was truncated ~half)

harvey: 10m channel-preserving + CREST/run-on + 3-day spin-up + Addicks/Barker reservoir-release BC (median NSE 0.71)

drop stray src/assets/.omc scratch dir

Inunda flood portfolio — lazy-fetch viewer, 47 episodes (fresh Space; old inunda_portofolio runtime was wedged: replicas.current=0)