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Aditya
d6c1ea0f4b
In the keyless setup a single transient failure while loading the default map layers locked in the degraded fallback until reload. _getImageryProvider cached the construction-fallback resolution (OSM) under the Esri stack id, so every later "Esri Satellite" selection showed OSM. createKeylessTerrain turns any Re:Earth failure into a flat EllipsoidTerrainProvider; the controller cached it and set _terrainMode to 'keyless', so a boot-time network blip left the globe flat. Fallbacks are still cached and shown at once, and no switch waits on a retry. One controller timer now retries the real provider behind whichever fallback is on screen (Esri's OSM stand-in, or flat terrain on a shown globe), starting at 30 seconds and doubling to a 10-minute cap while it keeps failing. A failed retry leaves the cached fallback and the installed terrain untouched. A success replaces the cache entry and applies it live: terrain is installed in place with a render request (or, behind a 3D tileset, picked up by the next globe activation), and Esri is reselected automatically, after any in-flight switch settles. A switch that read the flat fallback re-reads the terrain cache before installing, and destroy() cancels the timer and releases a provider built after it.